darwin-amd64-10_14 at cb4df9833474d36c6e4cb005682215047b5f0979

:: Running /var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/make.bash with args ["/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/make.bash"] and env ["TERM_PROGRAM=Apple_Terminal" "SHELL=/bin/bash" "TERM=xterm-256color" "TMPDIR=/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/" "Apple_PubSub_Socket_Render=/private/tmp/com.apple.launchd.1gne9eXFka/Render" "TERM_PROGRAM_VERSION=421.1.1" "TERM_SESSION_ID=802E62D9-17B8-47E5-B598-F7AE9823FE89" "USER=gopher" "SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.cITTEmW1qN/Listeners" "PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin" "GO_BUILDER_ENV=macstadium_vm" "PWD=/Users/gopher" "LANG=en_US.UTF-8" "XPC_FLAGS=0x0" "XPC_SERVICE_NAME=0" "HOME=/Users/gopher" "SHLVL=4" "LOGNAME=gopher" "SECURITYSESSIONID=186a7" "_=./buildlet" "WORKDIR=/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14" "GOROOT_BOOTSTRAP=/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go1.4" "GO_BUILDER_NAME=darwin-amd64-10_14" "GOROOT_BOOTSTRAP=/Users/gopher/goboot" "GOBIN=" "TMPDIR=/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/tmp" "GOCACHE=/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/gocache"] in dir /var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src

Building Go cmd/dist using /Users/gopher/goboot. (go1.12.1 darwin/amd64)
Building Go toolchain1 using /Users/gopher/goboot.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain3 using go_bootstrap and Go toolchain2.
Building packages and commands for darwin/amd64.
---
Installed Go for darwin/amd64 in /private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go
Installed commands in /private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/bin

##### Testing packages.
ok  	archive/tar	0.047s
ok  	archive/zip	0.390s
ok  	bufio	0.104s
ok  	bytes	1.809s
ok  	compress/bzip2	0.115s
ok  	compress/flate	0.872s
ok  	compress/gzip	0.282s
ok  	compress/lzw	0.079s
ok  	compress/zlib	0.556s
ok  	container/heap	0.015s
ok  	container/list	0.008s
ok  	container/ring	0.014s
ok  	context	0.021s
ok  	crypto	0.017s
ok  	crypto/aes	0.032s
ok  	crypto/cipher	0.023s
ok  	crypto/des	0.021s
ok  	crypto/dsa	0.014s
ok  	crypto/ecdsa	0.162s
ok  	crypto/ed25519	0.082s
ok  	crypto/elliptic	0.054s
ok  	crypto/hmac	0.013s
ok  	crypto/internal/subtle	0.011s
ok  	crypto/md5	0.016s
ok  	crypto/rand	0.030s
ok  	crypto/rc4	0.039s
ok  	crypto/rsa	0.133s
ok  	crypto/sha1	0.044s
ok  	crypto/sha256	0.013s
ok  	crypto/sha512	0.041s
ok  	crypto/subtle	0.011s
ok  	crypto/tls	0.861s
ok  	crypto/x509	2.024s
ok  	database/sql	0.688s
ok  	database/sql/driver	0.018s
ok  	debug/dwarf	0.034s
ok  	debug/elf	0.038s
ok  	debug/gosym	0.019s
ok  	debug/macho	0.018s
ok  	debug/pe	0.017s
ok  	debug/plan9obj	0.009s
ok  	embed/internal/embedtest	0.010s
ok  	encoding/ascii85	0.019s
ok  	encoding/asn1	0.016s
ok  	encoding/base32	0.030s
ok  	encoding/base64	0.018s
ok  	encoding/binary	0.019s
ok  	encoding/csv	0.063s
ok  	encoding/gob	0.067s
ok  	encoding/hex	0.014s
ok  	encoding/json	0.311s
ok  	encoding/pem	0.032s
ok  	encoding/xml	0.034s
ok  	errors	0.012s
ok  	expvar	0.033s
ok  	flag	0.114s
ok  	fmt	0.090s
ok  	go/ast	0.015s
ok  	go/build	1.489s
ok  	go/constant	0.016s
ok  	go/doc	0.134s
ok  	go/format	0.018s
ok  	go/importer	0.258s
ok  	go/internal/gccgoimporter	0.036s
ok  	go/internal/gcimporter	3.334s
ok  	go/internal/srcimporter	10.668s
ok  	go/parser	0.057s
ok  	go/printer	0.227s
ok  	go/scanner	0.013s
ok  	go/token	0.041s
ok  	go/types	2.320s
ok  	hash	0.027s
ok  	hash/adler32	0.014s
ok  	hash/crc32	0.013s
ok  	hash/crc64	0.011s
ok  	hash/fnv	0.024s
ok  	hash/maphash	0.083s
ok  	html	0.012s
ok  	html/template	0.160s
ok  	image	0.086s
ok  	image/color	0.043s
ok  	image/draw	0.123s
ok  	image/gif	0.378s
ok  	image/jpeg	0.306s
ok  	image/png	0.072s
ok  	index/suffixarray	0.466s
ok  	internal/cpu	0.038s
ok  	internal/fmtsort	0.013s
ok  	internal/poll	0.039s
ok  	internal/profile	0.011s
ok  	internal/reflectlite	0.044s
ok  	internal/singleflight	0.032s
ok  	internal/trace	0.067s
ok  	internal/unsafeheader	0.020s
ok  	internal/xcoff	0.041s
ok  	io	0.040s
ok  	io/fs	0.019s
ok  	io/ioutil	0.021s
ok  	log	0.015s
ok  	log/syslog	1.322s
ok  	math	0.018s
ok  	math/big	0.985s
ok  	math/bits	0.017s
ok  	math/cmplx	0.012s
ok  	math/rand	0.482s
ok  	mime	0.018s
ok  	mime/multipart	0.307s
ok  	mime/quotedprintable	0.065s
ok  	net	19.271s
ok  	net/http	24.206s
ok  	net/http/cgi	1.545s
ok  	net/http/cookiejar	0.039s
ok  	net/http/fcgi	0.074s
ok  	net/http/httptest	0.074s
ok  	net/http/httptrace	0.024s
ok  	net/http/httputil	0.208s
ok  	net/http/internal	0.014s
ok  	net/http/pprof	5.125s
ok  	net/internal/socktest	0.050s
ok  	net/mail	0.015s
ok  	net/rpc	0.054s
ok  	net/rpc/jsonrpc	0.029s
ok  	net/smtp	0.047s
ok  	net/textproto	0.022s
ok  	net/url	0.025s
ok  	os	1.284s
ok  	os/exec	1.917s
ok  	os/signal	2.027s
ok  	os/user	0.013s
ok  	path	0.015s
ok  	path/filepath	0.122s
ok  	plugin	0.010s
ok  	reflect	0.203s
ok  	regexp	0.128s
ok  	regexp/syntax	1.029s
--- FAIL: TestCgoCallbackGC (0.75s)
    crash_test.go:105: /var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/tmp/go-build864859551/testprogcgo.exe CgoCallbackGC exit status: exit status 2
    crash_cgo_test.go:70: expected "OK\n", but got:
        fatal error: unexpected signal during runtime execution
        [signal SIGSEGV: segmentation violation code=0x1 addr=0x700007a56046 pc=0x7fff68960bd0]
        
        runtime stack:
        runtime: unexpected return pc for runtime.pthread_kill_trampoline called from 0x700004325d98
        stack: frame={sp:0x700004325ca8, fp:0x700004325cb0} stack=[0x7000042a62b0,0x700004325eb0)
        0000700004325ba8:  0000000004166881  0000700004325bf8 
        0000700004325bb8:  000000000406701f <runtime.fatalthrow.func1+95>  000000c000182180 
        0000700004325bc8:  0000000004037d72 <runtime.throw+114>  0000700004325c40 
        0000700004325bd8:  0000000000000001  0000700004325c40 
        0000700004325be8:  0000000004037d72 <runtime.throw+114>  000000c000182180 
        0000700004325bf8:  0000700004325c30  0000000004037f57 <runtime.fatalthrow+87> 
        0000700004325c08:  0000700004325c10  0000000004066fc0 <runtime.fatalthrow.func1+0> 
        0000700004325c18:  000000c000182180  0000000004037d72 <runtime.throw+114> 
        0000700004325c28:  0000700004325c40  0000700004325c60 
        0000700004325c38:  0000000004037d72 <runtime.throw+114>  0000700004325c48 
        0000700004325c48:  0000000004066f20 <runtime.throw.func1+0>  0000000004168d2a 
        0000700004325c58:  000000000000002a  0000700004325c98 
        0000700004325c68:  000000000404f7cf <runtime.sigpanic+751>  0000000004168d2a 
        0000700004325c78:  000000000000002a  0000000000001202 
        0000700004325c88:  0000700007a56000  0000700004325cd0 
        0000700004325c98:  0000700004325cd0  00000000040706c0 <runtime.pthread_kill_trampoline+0> 
        0000700004325ca8: <0000700004325d98 >0000000000000011 
        0000700004325cb8:  0000000000000000  0000000000000000 
        0000700004325cc8:  00000000042190f8  0000700004325ce0 
        0000700004325cd8:  00000000040706d0 <runtime.pthread_kill_trampoline+16>  0000700004325d60 
        0000700004325ce8:  000000000406e5ad <runtime.asmcgocall+173>  0000700004325d68 
        0000700004325cf8:  000000000406e5ad <runtime.asmcgocall+173>  0000000004070600 <runtime.pthread_mutex_unlock_trampoline+0> 
        0000700004325d08:  0000700004325d58  0000700000000000 
        0000700004325d18:  0000700004325d38  0000000000000000 
        0000700004325d28:  0000700004325d40  0000000000000000 
        0000700004325d38:  000000000405834c <runtime.libcCall+108>  00000000040706c0 <runtime.pthread_kill_trampoline+0> 
        0000700004325d48:  0000700004325d98  0000700004325d90 
        0000700004325d58:  000000c000180000  0000700004325d88 
        0000700004325d68:  00000000040585d1 <runtime.pthread_kill+49>  00000000040706c0 <runtime.pthread_kill_trampoline+0> 
        0000700004325d78:  0000700004325d98  0000700004325d90 
        0000700004325d88:  0000700004325da8  000000000404e5c8 <runtime.preemptM+136> 
        0000700004325d98:  0000700007a56000  0000700000000010 
        0000700004325da8:  0000700004325dc0 
        runtime.throw(0x4168d2a, 0x2a)
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/panic.go:1112 +0x72
        runtime.sigpanic()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/signal_unix.go:714 +0x2ef
        runtime: unexpected return pc for runtime.pthread_kill_trampoline called from 0x700004325d98
        stack: frame={sp:0x700004325ca8, fp:0x700004325cb0} stack=[0x7000042a62b0,0x700004325eb0)
        0000700004325ba8:  0000000004166881  0000700004325bf8 
        0000700004325bb8:  000000000406701f <runtime.fatalthrow.func1+95>  000000c000182180 
        0000700004325bc8:  0000000004037d72 <runtime.throw+114>  0000700004325c40 
        0000700004325bd8:  0000000000000001  0000700004325c40 
        0000700004325be8:  0000000004037d72 <runtime.throw+114>  000000c000182180 
        0000700004325bf8:  0000700004325c30  0000000004037f57 <runtime.fatalthrow+87> 
        0000700004325c08:  0000700004325c10  0000000004066fc0 <runtime.fatalthrow.func1+0> 
        0000700004325c18:  000000c000182180  0000000004037d72 <runtime.throw+114> 
        0000700004325c28:  0000700004325c40  0000700004325c60 
        0000700004325c38:  0000000004037d72 <runtime.throw+114>  0000700004325c48 
        0000700004325c48:  0000000004066f20 <runtime.throw.func1+0>  0000000004168d2a 
        0000700004325c58:  000000000000002a  0000700004325c98 
        0000700004325c68:  000000000404f7cf <runtime.sigpanic+751>  0000000004168d2a 
        0000700004325c78:  000000000000002a  0000000000001202 
        0000700004325c88:  0000700007a56000  0000700004325cd0 
        0000700004325c98:  0000700004325cd0  00000000040706c0 <runtime.pthread_kill_trampoline+0> 
        0000700004325ca8: <0000700004325d98 >0000000000000011 
        0000700004325cb8:  0000000000000000  0000000000000000 
        0000700004325cc8:  00000000042190f8  0000700004325ce0 
        0000700004325cd8:  00000000040706d0 <runtime.pthread_kill_trampoline+16>  0000700004325d60 
        0000700004325ce8:  000000000406e5ad <runtime.asmcgocall+173>  0000700004325d68 
        0000700004325cf8:  000000000406e5ad <runtime.asmcgocall+173>  0000000004070600 <runtime.pthread_mutex_unlock_trampoline+0> 
        0000700004325d08:  0000700004325d58  0000700000000000 
        0000700004325d18:  0000700004325d38  0000000000000000 
        0000700004325d28:  0000700004325d40  0000000000000000 
        0000700004325d38:  000000000405834c <runtime.libcCall+108>  00000000040706c0 <runtime.pthread_kill_trampoline+0> 
        0000700004325d48:  0000700004325d98  0000700004325d90 
        0000700004325d58:  000000c000180000  0000700004325d88 
        0000700004325d68:  00000000040585d1 <runtime.pthread_kill+49>  00000000040706c0 <runtime.pthread_kill_trampoline+0> 
        0000700004325d78:  0000700004325d98  0000700004325d90 
        0000700004325d88:  0000700004325da8  000000000404e5c8 <runtime.preemptM+136> 
        0000700004325d98:  0000700007a56000  0000700000000010 
        0000700004325da8:  0000700004325dc0 
        runtime.pthread_kill_trampoline(0x11, 0x0, 0x0, 0x42190f8, 0x700004325ce0, 0x40706d0, 0x700004325d60, 0x406e5ad, 0x700004325d68, 0x406e5ad, ...)
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/sys_darwin_amd64.s:579
        
        goroutine 261 [GC worker (idle)]:
        runtime.systemstack_switch()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/asm_amd64.s:335 fp=0xc0001f1708 sp=0xc0001f1700 pc=0x406cac0
        runtime.gcMarkDone()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1517 +0x105 fp=0xc0001f1760 sp=0xc0001f1708 pc=0x401e425
        runtime.gcBgMarkWorker()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:2045 +0x2ab fp=0xc0001f17e0 sp=0xc0001f1760 pc=0x401f62b
        runtime.goexit()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/asm_amd64.s:1367 +0x1 fp=0xc0001f17e8 sp=0xc0001f17e0 pc=0x406e8e1
        created by runtime.gcBgMarkStartWorkers
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1835 +0x37
        
        goroutine 1 [chan receive]:
        main.CgoCallbackGC()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:90 +0x166
        main.main()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/main.go:34 +0x1da
        
        goroutine 143 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 141 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 149 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 133 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 153 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 157 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 166 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 177 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 180 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 182 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 183 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 184 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 186 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 197 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 198 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 199 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 200 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 201 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 202 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 203 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 210 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 212 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 216 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 220 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 223 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 225 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 226 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 227 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:241 +0x3c
        main.CgoCallbackGC.func2(0xc000190120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x25
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x130
        
        goroutine 260 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 316 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 321 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 322 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 323 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 334 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 338 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 341 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 345 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 348 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 353 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 361 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 371 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 376 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1159 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 378 [runnable, locked to thread]:
        main.grow1(0xc0043f7e78, 0xc0043d5018, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:57 +0x8c
        main.grow1(0xc0043f7e78, 0xc0043d5048, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5078, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d50a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d50d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5108, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5138, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5168, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5198, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d51c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d51f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5228, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5258, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5288, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d52b8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d52e8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5318, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5348, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5378, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d53a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d53d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5408, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5438, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5468, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5498, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d54c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d54f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5528, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5558, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5588, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d55b8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d55e8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5618, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5648, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5678, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d56a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d56d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5708, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5738, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5768, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5798, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d57c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d57f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5828, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5858, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5888, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d58b8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d58e8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5918, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0043f7e78, 0xc0043d5948, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        
        ... (2881 stack frames omitted)
        
        main.grow1(0xc000130e78, 0xc000130578, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001305a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001305d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130608, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130638, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130668, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130698, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001306c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001306f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130728, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130758, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130788, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001307b8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001307e8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130818, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130848, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130878, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001308a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001308d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130908, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130938, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130968, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130998, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001309c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc0001309f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130a28, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130a58, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130a88, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130ab8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130ae8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130b18, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130b48, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130b78, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130ba8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130bd8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130c08, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130c38, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130c68, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130c98, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130cc8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130cf8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130d28, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130d58, 0x404c6bc)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130d88, 0x1480)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130db8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130de8, 0x4008cf5)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130e18, 0x1)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130e48, 0x400000003)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000130e78, 0xc000130e80, 0x400864b)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow(...)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:52
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:43 +0x50
        
        goroutine 379 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 380 [runnable, locked to thread]:
        main.grow1(0xc000defe78, 0xc000db0398, 0xc0009503c0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:57 +0x8c
        main.grow1(0xc00098fe78, 0xc0009503c8, 0xc0009503f0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009503f8, 0xc000950420)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950428, 0xc000950450)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950458, 0xc000950480)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950488, 0xc0009504b0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009504b8, 0xc0009504e0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009504e8, 0xc000950510)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950518, 0xc000950540)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950548, 0xc000950570)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950578, 0xc0009505a0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009505a8, 0xc0009505d0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009505d8, 0xc000950600)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950608, 0xc000950630)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950638, 0xc000950660)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950668, 0xc000950690)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950698, 0xc0009506c0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009506c8, 0xc0009506f0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009506f8, 0xc000950720)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950728, 0xc000950750)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950758, 0xc000950780)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950788, 0xc0009507b0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009507b8, 0xc0009507e0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009507e8, 0xc000950810)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950818, 0xc000950840)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950848, 0xc000950870)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950878, 0xc0009508a0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009508a8, 0xc0009508d0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009508d8, 0xc000950900)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950908, 0xc000950930)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950938, 0xc000950960)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950968, 0xc000950990)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950998, 0xc0009509c0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009509c8, 0xc0009509f0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc0009509f8, 0xc000950a20)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950a28, 0xc000950a50)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950a58, 0xc000950a80)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950a88, 0xc000950ab0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950ab8, 0xc000950ae0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950ae8, 0xc000950b10)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950b18, 0xc000950b40)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950b48, 0xc000950b70)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950b78, 0xc000950ba0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950ba8, 0xc000950bd0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950bd8, 0xc000950c00)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950c08, 0xc000950c30)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950c38, 0xc000950c60)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950c68, 0xc000950c90)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950c98, 0xc000950cc0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00098fe78, 0xc000950cc8, 0xc000950cf0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        
        ... (5337 stack frames omitted)
        
        main.grow1(0xc000056e78, 0xc000056578, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000565a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000565d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056608, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056638, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056668, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056698, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000566c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000566f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056728, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056758, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056788, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000567b8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000567e8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056818, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056848, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056878, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000568a8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000568d8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056908, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056938, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056968, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056998, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000569c8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc0000569f8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056a28, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056a58, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056a88, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056ab8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056ae8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056b18, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056b48, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056b78, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056ba8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056bd8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056c08, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056c38, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056c68, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056c98, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056cc8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056cf8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056d28, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056d58, 0x404c6bc)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056d88, 0x1480)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056db8, 0x427f0f0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056de8, 0x4008cf5)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056e18, 0x1)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056e48, 0x400000003)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc000056e78, 0xc000056e80, 0x400864b)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow(...)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:52
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:43 +0x50
        
        goroutine 382 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 383 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1162 +0x65
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 384 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1154 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 385 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1154 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 386 [runnable, locked to thread]:
        main.grow1(0xc003b77e78, 0xc003b583a8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:57 +0x8c
        main.grow1(0xc00171fe78, 0xc0017003d8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700408, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700438, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700468, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700498, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017004c8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017004f8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700528, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700558, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700588, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017005b8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017005e8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700618, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700648, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700678, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017006a8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017006d8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700708, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700738, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700768, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700798, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017007c8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017007f8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700828, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700858, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700888, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017008b8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017008e8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700918, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700948, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700978, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017009a8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc0017009d8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700a08, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700a38, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700a68, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700a98, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700ac8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700af8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700b28, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700b58, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700b88, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700bb8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700be8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700c18, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700c48, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700c78, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700ca8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc00171fe78, 0xc001700cd8, 0xc00134fe78)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        
        ... (2606 stack frames omitted)
        
        main.grow1(0xc0005d5e78, 0xc0005d5578, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d55a8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d55d8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5608, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5638, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5668, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5698, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d56c8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d56f8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5728, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5758, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5788, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d57b8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d57e8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5818, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5848, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5878, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d58a8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d58d8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5908, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5938, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5968, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5998, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d59c8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d59f8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5a28, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5a58, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5a88, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5ab8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5ae8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5b18, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5b48, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5b78, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5ba8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5bd8, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5c08, 0xc00061ffb8)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5c38, 0x60)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5c68, 0x58)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5c98, 0xc0005cb680)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5cc8, 0x418a074)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5cf8, 0x418a074)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5d28, 0x5)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5d58, 0x404c6bc)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5d88, 0x1480)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5db8, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5de8, 0x4008cf5)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5e18, 0x1)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5e48, 0x400000003)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc0005d5e78, 0xc0005d5e80, 0x400864b)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow(...)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:52
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:43 +0x50
        
        goroutine 387 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1154 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
        
        goroutine 388 [wait for GC cycle, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1154 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5d
FAIL
FAIL	runtime	41.440s
ok  	runtime/debug	0.081s
ok  	runtime/internal/atomic	0.056s
FAIL
go tool dist: Failed: exit status 1