darwin-amd64-race at ab7ecea0c8dff908dfcad8c9091b71c6051bb94a

:: 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.LgPwDhhior/Render" "TERM_PROGRAM_VERSION=421.1.1" "TERM_SESSION_ID=833D694C-4805-4A59-9022-D5CF1936395C" "USER=gopher" "SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.SVaoZaPReh/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-race" "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
:: Running /var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/bin/go with args ["/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/bin/go" "install" "-race" "std"] 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.LgPwDhhior/Render" "TERM_PROGRAM_VERSION=421.1.1" "TERM_SESSION_ID=833D694C-4805-4A59-9022-D5CF1936395C" "USER=gopher" "SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.SVaoZaPReh/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-race" "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/bin


##### Testing packages.
ok  	archive/tar	0.162s
ok  	archive/zip	2.547s
ok  	bufio	0.510s
ok  	bytes	5.206s
ok  	compress/bzip2	0.938s
ok  	compress/flate	4.897s
ok  	compress/gzip	0.725s
ok  	compress/lzw	0.927s
ok  	compress/zlib	6.545s
ok  	container/heap	0.051s
ok  	container/list	0.037s
ok  	container/ring	0.036s
ok  	context	1.109s
ok  	crypto	0.038s
ok  	crypto/aes	0.070s
ok  	crypto/cipher	0.079s
ok  	crypto/des	0.091s
ok  	crypto/dsa	0.036s
ok  	crypto/ecdsa	1.117s
ok  	crypto/ed25519	0.822s
ok  	crypto/elliptic	0.153s
ok  	crypto/hmac	0.024s
ok  	crypto/internal/subtle	0.026s
ok  	crypto/md5	0.036s
ok  	crypto/rand	0.190s
ok  	crypto/rc4	0.653s
ok  	crypto/rsa	0.326s
ok  	crypto/sha1	0.070s
ok  	crypto/sha256	0.036s
ok  	crypto/sha512	0.051s
ok  	crypto/subtle	0.036s
ok  	crypto/tls	2.121s
ok  	crypto/x509	1.912s
ok  	database/sql	0.756s
ok  	database/sql/driver	0.027s
ok  	debug/dwarf	0.080s
ok  	debug/elf	0.117s
ok  	debug/gosym	0.037s
ok  	debug/macho	0.050s
ok  	debug/pe	0.062s
ok  	debug/plan9obj	0.036s
ok  	encoding/ascii85	0.048s
ok  	encoding/asn1	0.049s
ok  	encoding/base32	0.110s
ok  	encoding/base64	0.045s
ok  	encoding/binary	0.059s
ok  	encoding/csv	0.062s
ok  	encoding/gob	0.121s
ok  	encoding/hex	0.048s
ok  	encoding/json	1.885s
ok  	encoding/pem	0.113s
ok  	encoding/xml	0.154s
ok  	errors	0.043s
ok  	expvar	0.059s
ok  	flag	0.038s
ok  	fmt	0.862s
ok  	go/ast	0.048s
ok  	go/build	0.829s
ok  	go/constant	0.045s
ok  	go/doc	0.270s
ok  	go/format	0.061s
ok  	go/importer	0.282s
ok  	go/internal/gccgoimporter	0.088s
ok  	go/internal/gcimporter	18.871s
ok  	go/internal/srcimporter	4.281s
ok  	go/parser	0.265s
ok  	go/printer	2.106s
ok  	go/scanner	0.054s
ok  	go/token	0.220s
ok  	go/types	8.053s
ok  	hash	0.045s
ok  	hash/adler32	0.096s
ok  	hash/crc32	0.093s
ok  	hash/crc64	0.051s
ok  	hash/fnv	0.038s
ok  	hash/maphash	0.618s
ok  	html	0.041s
ok  	html/template	0.226s
ok  	image	0.650s
ok  	image/color	0.078s
ok  	image/draw	0.523s
ok  	image/gif	2.616s
ok  	image/jpeg	2.296s
ok  	image/png	0.409s
ok  	index/suffixarray	2.038s
ok  	internal/cpu	0.149s
ok  	internal/fmtsort	0.041s
ok  	internal/poll	0.266s
ok  	internal/reflectlite	0.294s
ok  	internal/singleflight	0.057s
ok  	internal/trace	0.275s
ok  	internal/xcoff	0.074s
ok  	io	0.099s
ok  	io/ioutil	0.059s
ok  	log	0.064s
ok  	log/syslog	1.277s
ok  	math	0.062s
ok  	math/big	4.287s
ok  	math/bits	0.059s
ok  	math/cmplx	0.039s
ok  	math/rand	3.362s
ok  	mime	0.062s
ok  	mime/multipart	2.577s
ok  	mime/quotedprintable	0.077s
ok  	net	10.975s
ok  	net/http	13.212s
ok  	net/http/cgi	0.952s
ok  	net/http/cookiejar	0.068s
ok  	net/http/fcgi	0.065s
ok  	net/http/httptest	0.156s
ok  	net/http/httptrace	0.040s
ok  	net/http/httputil	0.237s
ok  	net/http/internal	0.058s
ok  	net/http/pprof	2.071s
ok  	net/internal/socktest	0.037s
ok  	net/mail	0.048s
ok  	net/rpc	0.103s
ok  	net/rpc/jsonrpc	0.073s
ok  	net/smtp	0.082s
ok  	net/textproto	0.042s
ok  	net/url	0.055s
ok  	os	1.560s
ok  	os/exec	1.729s
ok  	os/signal	5.193s
ok  	os/user	0.038s
ok  	path	0.037s
ok  	path/filepath	0.187s
ok  	plugin	0.045s
ok  	reflect	0.701s
ok  	regexp	0.697s
ok  	regexp/syntax	3.628s
--- FAIL: TestCgoCallbackGC (0.34s)
    crash_test.go:95: testprogcgo 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=0x7000052b0046 pc=0x7fff66890bd0]
        
        runtime stack:
        runtime: unexpected return pc for runtime.pthread_kill_trampoline called from 0x7ffeefbff3b8
        stack: frame={sp:0x7ffeefbff2c8, fp:0x7ffeefbff2d0} stack=[0x7ffeefb80468,0x7ffeefbff4d0)
        00007ffeefbff1c8:  0000000000000001  000000000411102a 
        00007ffeefbff1d8:  00007ffeefbff220  000000000405e9af <runtime.fatalthrow.func1+95> 
        00007ffeefbff1e8:  00000000041edf20  0000000004032042 <runtime.throw+114> 
        00007ffeefbff1f8:  00007ffeefbff268  0000000000000001 
        00007ffeefbff208:  00007ffeefbff268  0000000004032042 <runtime.throw+114> 
        00007ffeefbff218:  00000000041edf20  00007ffeefbff258 
        00007ffeefbff228:  0000000004032207 <runtime.fatalthrow+87>  00007ffeefbff238 
        00007ffeefbff238:  000000000405e950 <runtime.fatalthrow.func1+0>  00000000041edf20 
        00007ffeefbff248:  0000000004032042 <runtime.throw+114>  00007ffeefbff268 
        00007ffeefbff258:  00007ffeefbff288  0000000004032042 <runtime.throw+114> 
        00007ffeefbff268:  00007ffeefbff270  000000000405e8d0 <runtime.throw.func1+0> 
        00007ffeefbff278:  00000000041131de  000000000000002a 
        00007ffeefbff288:  00007ffeefbff2b8  00000000040486da <runtime.sigpanic+1130> 
        00007ffeefbff298:  00000000041131de  000000000000002a 
        00007ffeefbff2a8:  00007000052b0000  00007ffeefbff2f0 
        00007ffeefbff2b8:  00007ffeefbff2f0  0000000004063f60 <runtime.pthread_kill_trampoline+0> 
        00007ffeefbff2c8: <00007ffeefbff3b8 >0000000000000002 
        00007ffeefbff2d8:  00000000041db180  0000000000000000 
        00007ffeefbff2e8:  0000000000000000  00007ffeefbff300 
        00007ffeefbff2f8:  0000000004063f70 <runtime.pthread_kill_trampoline+16>  00007ffeefbff380 
        00007ffeefbff308:  000000000406168d <runtime.asmcgocall+173>  00007ffe00000000 
        00007ffeefbff318:  00000000041ee6c0  00007ffeefbff348 
        00007ffeefbff328:  00007ffeefbff340  0000000000000000 
        00007ffeefbff338:  00007ffeefbff358  0000000000000000 
        00007ffeefbff348:  0000000004063a30 <runtime.nanotime_trampoline+0>  00007ffeefbff390 
        00007ffeefbff358:  000000000405109c <runtime.libcCall+108>  0000000004063f60 <runtime.pthread_kill_trampoline+0> 
        00007ffeefbff368:  00007ffeefbff3b8  0000000004051882 <runtime.nanotime1+66> 
        00007ffeefbff378:  00000000041ee6c0  00007ffeefbff3a8 
        00007ffeefbff388:  00000000040514b1 <runtime.pthread_kill+49>  0000000004063f60 <runtime.pthread_kill_trampoline+0> 
        00007ffeefbff398:  00007ffeefbff3b8  00007ffeefbff3d0 
        00007ffeefbff3a8:  00007ffeefbff3c8  000000000403f952 <runtime.preemptone+178> 
        00007ffeefbff3b8:  00007000052b0000  0000000000000010 
        00007ffeefbff3c8:  00007ffeefbff408 
        runtime.throw(0x41131de, 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:671 +0x46a
        runtime: unexpected return pc for runtime.pthread_kill_trampoline called from 0x7ffeefbff3b8
        stack: frame={sp:0x7ffeefbff2c8, fp:0x7ffeefbff2d0} stack=[0x7ffeefb80468,0x7ffeefbff4d0)
        00007ffeefbff1c8:  0000000000000001  000000000411102a 
        00007ffeefbff1d8:  00007ffeefbff220  000000000405e9af <runtime.fatalthrow.func1+95> 
        00007ffeefbff1e8:  00000000041edf20  0000000004032042 <runtime.throw+114> 
        00007ffeefbff1f8:  00007ffeefbff268  0000000000000001 
        00007ffeefbff208:  00007ffeefbff268  0000000004032042 <runtime.throw+114> 
        00007ffeefbff218:  00000000041edf20  00007ffeefbff258 
        00007ffeefbff228:  0000000004032207 <runtime.fatalthrow+87>  00007ffeefbff238 
        00007ffeefbff238:  000000000405e950 <runtime.fatalthrow.func1+0>  00000000041edf20 
        00007ffeefbff248:  0000000004032042 <runtime.throw+114>  00007ffeefbff268 
        00007ffeefbff258:  00007ffeefbff288  0000000004032042 <runtime.throw+114> 
        00007ffeefbff268:  00007ffeefbff270  000000000405e8d0 <runtime.throw.func1+0> 
        00007ffeefbff278:  00000000041131de  000000000000002a 
        00007ffeefbff288:  00007ffeefbff2b8  00000000040486da <runtime.sigpanic+1130> 
        00007ffeefbff298:  00000000041131de  000000000000002a 
        00007ffeefbff2a8:  00007000052b0000  00007ffeefbff2f0 
        00007ffeefbff2b8:  00007ffeefbff2f0  0000000004063f60 <runtime.pthread_kill_trampoline+0> 
        00007ffeefbff2c8: <00007ffeefbff3b8 >0000000000000002 
        00007ffeefbff2d8:  00000000041db180  0000000000000000 
        00007ffeefbff2e8:  0000000000000000  00007ffeefbff300 
        00007ffeefbff2f8:  0000000004063f70 <runtime.pthread_kill_trampoline+16>  00007ffeefbff380 
        00007ffeefbff308:  000000000406168d <runtime.asmcgocall+173>  00007ffe00000000 
        00007ffeefbff318:  00000000041ee6c0  00007ffeefbff348 
        00007ffeefbff328:  00007ffeefbff340  0000000000000000 
        00007ffeefbff338:  00007ffeefbff358  0000000000000000 
        00007ffeefbff348:  0000000004063a30 <runtime.nanotime_trampoline+0>  00007ffeefbff390 
        00007ffeefbff358:  000000000405109c <runtime.libcCall+108>  0000000004063f60 <runtime.pthread_kill_trampoline+0> 
        00007ffeefbff368:  00007ffeefbff3b8  0000000004051882 <runtime.nanotime1+66> 
        00007ffeefbff378:  00000000041ee6c0  00007ffeefbff3a8 
        00007ffeefbff388:  00000000040514b1 <runtime.pthread_kill+49>  0000000004063f60 <runtime.pthread_kill_trampoline+0> 
        00007ffeefbff398:  00007ffeefbff3b8  00007ffeefbff3d0 
        00007ffeefbff3a8:  00007ffeefbff3c8  000000000403f952 <runtime.preemptone+178> 
        00007ffeefbff3b8:  00007000052b0000  0000000000000010 
        00007ffeefbff3c8:  00007ffeefbff408 
        runtime.pthread_kill_trampoline(0x2, 0x41db180, 0x0, 0x0, 0x7ffeefbff300, 0x4063f70, 0x7ffeefbff380, 0x406168d, 0x7ffe00000000, 0x41ee6c0, ...)
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/sys_darwin_amd64.s:579
        
        goroutine 281 [GC worker (idle)]:
        runtime.systemstack_switch()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/asm_amd64.s:330 fp=0xc000106f08 sp=0xc000106f00 pc=0x405fe00
        runtime.gcMarkDone()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1441 +0xbb fp=0xc000106f60 sp=0xc000106f08 pc=0x401b1db
        runtime.gcBgMarkWorker(0xc00002d800)
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1992 +0x29e fp=0xc000106fd8 sp=0xc000106f60 pc=0x401c29e
        runtime.goexit()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/asm_amd64.s:1373 +0x1 fp=0xc000106fe0 sp=0xc000106fd8 pc=0x4061ef1
        created by runtime.gcBgMarkStartWorkers
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1813 +0x77
        
        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 +0x16b
        main.main()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/main.go:34 +0x1cc
        
        goroutine 17 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 135 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 132 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 130 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 144 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 145 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 149 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 150 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 151 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 153 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 156 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 157 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 158 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 161 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 163 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 165 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 166 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 168 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 169 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 170 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 171 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 172 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 173 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 174 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 175 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 176 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 177 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 178 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 184 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 186 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 187 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 188 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 190 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 191 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 192 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 194 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 195 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 196 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 197 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 200 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 201 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 202 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 203 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 206 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 212 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 213 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 215 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 216 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 217 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 218 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 219 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 220 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 223 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 224 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 225 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 226 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 227 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 229 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:229 +0x41
        main.CgoCallbackGC.func2(0xc000090120)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:85 +0x22
        created by main.CgoCallbackGC
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:84 +0x135
        
        goroutine 256 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 258 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 265 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 266 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 267 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 275 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 276 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 277 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 278 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 297 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 316 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 317 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 319 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 321 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 323 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 324 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 326 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 327 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 328 [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:1091 +0x64
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 330 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 331 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 335 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 336 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 337 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 338 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 340 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 341 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 342 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:42 +0x22
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 343 [runnable, locked to thread]:
        main.grow1(0xc002007e60, 0xc001fc8380, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:57 +0x8c
        main.grow1(0xc002187e60, 0xc0021483b0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021483e0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148410, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148440, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148470, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021484a0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021484d0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148500, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148530, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148560, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148590, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021485c0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021485f0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148620, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148650, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148680, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021486b0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021486e0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148710, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148740, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148770, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021487a0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021487d0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148800, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148830, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148860, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148890, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021488c0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021488f0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148920, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148950, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148980, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021489b0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021489e0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148a10, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148a40, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148a70, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148aa0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148ad0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148b00, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148b30, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148b60, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148b90, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148bc0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148bf0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148c20, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148c50, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148c80, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148cb0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148ce0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148d10, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148d40, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148d70, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148da0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148dd0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148e00, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148e30, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148e60, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148e90, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148ec0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148ef0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148f20, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148f50, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148f80, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148fb0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002148fe0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149010, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149040, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149070, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021490a0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021490d0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149100, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149130, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149160, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149190, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021491c0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021491f0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149220, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149250, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149280, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021492b0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021492e0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149310, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149340, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149370, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021493a0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021493d0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149400, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149430, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149460, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149490, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021494c0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021494f0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149520, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149550, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149580, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021495b0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc0021495e0, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        main.grow1(0xc002187e60, 0xc002149610, 0x0)
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:63 +0x73
        ...additional frames elided...
        
        goroutine 344 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 346 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 347 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 348 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 349 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 350 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 351 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 352 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 354 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 355 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:42 +0x22
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 356 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 357 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 360 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 361 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 378 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 379 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 380 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 381 [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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 382 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 383 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 384 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 386 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        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:1083 +0x33
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
        
        goroutine 388 [semacquire, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1088 +0x58
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x5a
        main._cgoexpwrap_1c63276e850d_go_callback()
        	_cgo_gotypes.go:421 +0x20
FAIL
FAIL	runtime	44.152s
FAIL
go tool dist: Failed: exit status 1