darwin-amd64-10_14 at 2b00a54baf2b677b2aaddd93c25b11ea4642a86f

:: 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.fdyfnYZh22/Render" "TERM_PROGRAM_VERSION=421.1.1" "TERM_SESSION_ID=BA3B807F-FFDB-4685-9B9C-948FC60E29C0" "USER=gopher" "SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.29JKijLZD1/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	0.031s
ok  	archive/zip	0.260s
ok  	bufio	0.041s
ok  	bytes	1.421s
ok  	compress/bzip2	0.057s
ok  	compress/flate	0.364s
ok  	compress/gzip	0.125s
ok  	compress/lzw	0.049s
ok  	compress/zlib	0.355s
ok  	container/heap	0.008s
ok  	container/list	0.007s
ok  	container/ring	0.008s
ok  	context	0.016s
ok  	crypto	0.007s
ok  	crypto/aes	0.026s
ok  	crypto/cipher	0.021s
ok  	crypto/des	0.014s
ok  	crypto/dsa	0.011s
ok  	crypto/ecdsa	0.022s
ok  	crypto/ed25519	0.048s
ok  	crypto/ed25519/internal/edwards25519	3.632s
ok  	crypto/ed25519/internal/edwards25519/field	1.426s
ok  	crypto/elliptic	0.101s
ok  	crypto/elliptic/internal/fiat	0.007s
ok  	crypto/hmac	0.008s
ok  	crypto/internal/subtle	0.007s
ok  	crypto/md5	0.008s
ok  	crypto/rand	0.023s
ok  	crypto/rc4	0.030s
ok  	crypto/rsa	0.093s
ok  	crypto/sha1	0.025s
ok  	crypto/sha256	0.008s
ok  	crypto/sha512	0.010s
ok  	crypto/subtle	0.008s
ok  	crypto/tls	0.319s
ok  	crypto/x509	0.672s
ok  	database/sql	0.620s
ok  	database/sql/driver	0.010s
ok  	debug/dwarf	0.026s
ok  	debug/elf	0.017s
ok  	debug/gosym	0.012s
ok  	debug/macho	0.012s
ok  	debug/pe	0.011s
ok  	debug/plan9obj	0.008s
ok  	embed/internal/embedtest	0.007s
ok  	encoding/ascii85	0.011s
ok  	encoding/asn1	0.012s
ok  	encoding/base32	0.025s
ok  	encoding/base64	0.011s
ok  	encoding/binary	0.011s
ok  	encoding/csv	0.015s
ok  	encoding/gob	0.025s
ok  	encoding/hex	0.009s
ok  	encoding/json	0.240s
ok  	encoding/pem	0.026s
ok  	encoding/xml	0.025s
ok  	errors	0.018s
ok  	expvar	0.022s
ok  	flag	0.040s
ok  	fmt	0.060s
ok  	go/ast	0.010s
ok  	go/build	1.056s
ok  	go/build/constraint	0.009s
ok  	go/constant	0.009s
ok  	go/doc	0.044s
ok  	go/format	0.012s
ok  	go/importer	0.166s
ok  	go/internal/gccgoimporter	0.021s
ok  	go/internal/gcimporter	1.781s
ok  	go/internal/srcimporter	7.084s
ok  	go/parser	0.031s
ok  	go/printer	0.187s
ok  	go/scanner	0.008s
ok  	go/token	0.020s
ok  	go/types	10.350s
ok  	hash	0.008s
ok  	hash/adler32	0.011s
ok  	hash/crc32	0.010s
ok  	hash/crc64	0.008s
ok  	hash/fnv	0.008s
ok  	hash/maphash	0.054s
ok  	html	0.013s
ok  	html/template	0.085s
ok  	image	0.047s
ok  	image/color	0.019s
ok  	image/draw	0.042s
ok  	image/gif	0.167s
ok  	image/jpeg	0.140s
ok  	image/png	0.029s
ok  	index/suffixarray	0.142s
ok  	internal/abi	0.071s
ok  	internal/cpu	0.028s
ok  	internal/execabs	0.010s
ok  	internal/fmtsort	0.007s
ok  	internal/itoa	0.008s
ok  	internal/poll	0.030s
ok  	internal/profile	0.009s
ok  	internal/reflectlite	0.039s
ok  	internal/singleflight	0.019s
ok  	internal/trace	0.028s
ok  	internal/unsafeheader	0.009s
ok  	internal/xcoff	0.022s
ok  	io	0.037s
ok  	io/fs	0.013s
ok  	io/ioutil	0.016s
ok  	log	0.010s
ok  	log/syslog	1.248s
ok  	math	0.014s
ok  	math/big	0.953s
ok  	math/bits	0.017s
ok  	math/cmplx	0.009s
ok  	math/rand	0.172s
ok  	mime	0.018s
ok  	mime/multipart	0.125s
ok  	mime/quotedprintable	0.016s
ok  	net	8.501s
ok  	net/http	5.823s
ok  	net/http/cgi	0.699s
ok  	net/http/cookiejar	0.022s
ok  	net/http/fcgi	0.122s
ok  	net/http/httptest	0.045s
ok  	net/http/httptrace	0.020s
ok  	net/http/httputil	0.075s
ok  	net/http/internal	0.008s
ok  	net/http/internal/ascii	0.008s
ok  	net/http/pprof	5.129s
ok  	net/internal/socktest	0.011s
ok  	net/mail	0.010s
ok  	net/rpc	0.047s
ok  	net/rpc/jsonrpc	0.023s
ok  	net/smtp	0.026s
ok  	net/textproto	0.010s
ok  	net/url	0.015s
ok  	os	1.087s
ok  	os/exec	1.478s
ok  	os/signal	2.062s
ok  	os/user	0.010s
ok  	path	0.010s
ok  	path/filepath	0.069s
ok  	plugin	0.009s
ok  	reflect	0.154s
ok  	regexp	0.053s
ok  	regexp/syntax	0.240s
--- FAIL: TestCgoCallbackGC (6.70s)
    crash_test.go:104: /var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/tmp/go-build1662535136/testprogcgo.exe CgoCallbackGC exit status: exit status 2
    crash_cgo_test.go:71: expected "OK\n", but got:
        fatal error: unexpected signal during runtime execution
        [signal SIGSEGV: segmentation violation code=0x1 addr=0x700004869046 pc=0x7fff67cc3bd0]
        
        runtime stack:
        runtime: unexpected return pc for runtime.pthread_kill_trampoline called from 0x700001725d90
        stack: frame={sp:0x700001725ca8, fp:0x700001725cb0} stack=[0x7000016a6298,0x700001725e98)
        0x0000700001725ba8:  0x00000000040353e8 <runtime.fatalthrow.func1+0x0000000000000048>  0x000000c0001821a0 
        0x0000700001725bb8:  0x0000000000000001  0x0000000000000001 
        0x0000700001725bc8:  0x0000700001725c28  0x0000000004035131 <runtime.throw+0x0000000000000071> 
        0x0000700001725bd8:  0x000000c0001821a0  0x0000700001725c18 
        0x0000700001725be8:  0x0000000004035370 <runtime.fatalthrow+0x0000000000000050>  0x0000700001725bf8 
        0x0000700001725bf8:  0x00000000040353a0 <runtime.fatalthrow.func1+0x0000000000000000>  0x000000c0001821a0 
        0x0000700001725c08:  0x0000000004035131 <runtime.throw+0x0000000000000071>  0x0000700001725c28 
        0x0000700001725c18:  0x0000700001725c48  0x0000000004035131 <runtime.throw+0x0000000000000071> 
        0x0000700001725c28:  0x0000700001725c30  0x0000000004035160 <runtime.throw.func1+0x0000000000000000> 
        0x0000700001725c38:  0x00000000041316eb  0x000000000000002a 
        0x0000700001725c48:  0x0000700001725c98  0x000000000404b796 <runtime.sigpanic+0x0000000000000396> 
        0x0000700001725c58:  0x00000000041316eb  0x000000c0001821a0 
        0x0000700001725c68:  0x0000000000000000  0x0000700001725c80 
        0x0000700001725c78:  0x00007fff67cb6d03  0x0000000000001102 
        0x0000700001725c88:  0x0000700004869000  0x0000700001725cd0 
        0x0000700001725c98:  0x0000700001725cd0  0x0000000004067160 <runtime.pthread_kill_trampoline+0x0000000000000000> 
        0x0000700001725ca8: <0x0000700001725d90 >0x000000c000058670 
        0x0000700001725cb8:  0x0000000000000076  0x000000c0001821a0 
        0x0000700001725cc8:  0x0000000000000000  0x0000700001725ce0 
        0x0000700001725cd8:  0x0000000004067170 <runtime.pthread_kill_trampoline+0x0000000000000010>  0x0000700001725d60 
        0x0000700001725ce8:  0x000000000406502d <runtime.asmcgocall+0x00000000000000ad>  0x000000c000180000 
        0x0000700001725cf8:  0x0000700001725d18  0x0000000000000000 
        0x0000700001725d08:  0x0000008f15e1346f  0x0000000100000001 
        0x0000700001725d18:  0x0000700001725d38  0x0000000000000000 
        0x0000700001725d28:  0x0000700001725d60  0x000000c015e51305 
        0x0000700001725d38:  0x0000000004054166 <runtime.libcCall+0x0000000000000066>  0x0000000004067160 <runtime.pthread_kill_trampoline+0x0000000000000000> 
        0x0000700001725d48:  0x0000700001725d90  0x0000000000000000 
        0x0000700001725d58:  0x000000c000180000  0x0000700001725d80 
        0x0000700001725d68:  0x000000000405362c <runtime.pthread_kill+0x000000000000002c>  0x0000700001725db0 
        0x0000700001725d78:  0x000000000400d630 <runtime.notetsleep_internal+0x0000000000000130>  0x0000700001725da0 
        0x0000700001725d88:  0x000000000404a64a <runtime.preemptM+0x000000000000006a>  0x0000700004869000 
        0x0000700001725d98:  0x0000008f00000010  0x0000700001725db8 
        0x0000700001725da8:  0x00000000040431be <runtime.preemptone+0x000000000000005e> 
        runtime.throw({0x41316eb, 0xc0001821a0})
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/panic.go:1198 +0x71
        runtime.sigpanic()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/signal_unix.go:719 +0x396
        runtime: unexpected return pc for runtime.pthread_kill_trampoline called from 0x700001725d90
        stack: frame={sp:0x700001725ca8, fp:0x700001725cb0} stack=[0x7000016a6298,0x700001725e98)
        0x0000700001725ba8:  0x00000000040353e8 <runtime.fatalthrow.func1+0x0000000000000048>  0x000000c0001821a0 
        0x0000700001725bb8:  0x0000000000000001  0x0000000000000001 
        0x0000700001725bc8:  0x0000700001725c28  0x0000000004035131 <runtime.throw+0x0000000000000071> 
        0x0000700001725bd8:  0x000000c0001821a0  0x0000700001725c18 
        0x0000700001725be8:  0x0000000004035370 <runtime.fatalthrow+0x0000000000000050>  0x0000700001725bf8 
        0x0000700001725bf8:  0x00000000040353a0 <runtime.fatalthrow.func1+0x0000000000000000>  0x000000c0001821a0 
        0x0000700001725c08:  0x0000000004035131 <runtime.throw+0x0000000000000071>  0x0000700001725c28 
        0x0000700001725c18:  0x0000700001725c48  0x0000000004035131 <runtime.throw+0x0000000000000071> 
        0x0000700001725c28:  0x0000700001725c30  0x0000000004035160 <runtime.throw.func1+0x0000000000000000> 
        0x0000700001725c38:  0x00000000041316eb  0x000000000000002a 
        0x0000700001725c48:  0x0000700001725c98  0x000000000404b796 <runtime.sigpanic+0x0000000000000396> 
        0x0000700001725c58:  0x00000000041316eb  0x000000c0001821a0 
        0x0000700001725c68:  0x0000000000000000  0x0000700001725c80 
        0x0000700001725c78:  0x00007fff67cb6d03  0x0000000000001102 
        0x0000700001725c88:  0x0000700004869000  0x0000700001725cd0 
        0x0000700001725c98:  0x0000700001725cd0  0x0000000004067160 <runtime.pthread_kill_trampoline+0x0000000000000000> 
        0x0000700001725ca8: <0x0000700001725d90 >0x000000c000058670 
        0x0000700001725cb8:  0x0000000000000076  0x000000c0001821a0 
        0x0000700001725cc8:  0x0000000000000000  0x0000700001725ce0 
        0x0000700001725cd8:  0x0000000004067170 <runtime.pthread_kill_trampoline+0x0000000000000010>  0x0000700001725d60 
        0x0000700001725ce8:  0x000000000406502d <runtime.asmcgocall+0x00000000000000ad>  0x000000c000180000 
        0x0000700001725cf8:  0x0000700001725d18  0x0000000000000000 
        0x0000700001725d08:  0x0000008f15e1346f  0x0000000100000001 
        0x0000700001725d18:  0x0000700001725d38  0x0000000000000000 
        0x0000700001725d28:  0x0000700001725d60  0x000000c015e51305 
        0x0000700001725d38:  0x0000000004054166 <runtime.libcCall+0x0000000000000066>  0x0000000004067160 <runtime.pthread_kill_trampoline+0x0000000000000000> 
        0x0000700001725d48:  0x0000700001725d90  0x0000000000000000 
        0x0000700001725d58:  0x000000c000180000  0x0000700001725d80 
        0x0000700001725d68:  0x000000000405362c <runtime.pthread_kill+0x000000000000002c>  0x0000700001725db0 
        0x0000700001725d78:  0x000000000400d630 <runtime.notetsleep_internal+0x0000000000000130>  0x0000700001725da0 
        0x0000700001725d88:  0x000000000404a64a <runtime.preemptM+0x000000000000006a>  0x0000700004869000 
        0x0000700001725d98:  0x0000008f00000010  0x0000700001725db8 
        0x0000700001725da8:  0x00000000040431be <runtime.preemptone+0x000000000000005e> 
        runtime.pthread_kill_trampoline()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/sys_darwin_amd64.s:567
        
        goroutine 227 [GC worker (idle)]:
        runtime.systemstack_switch()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/asm_amd64.s:350 fp=0xc000126f08 sp=0xc000126f00 pc=0x40630a0
        runtime.gcMarkDone()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:796 +0xd8 fp=0xc000126f60 sp=0xc000126f08 pc=0x401b4f8
        runtime.gcBgMarkWorker()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1330 +0x2f1 fp=0xc000126fe0 sp=0xc000126f60 pc=0x401c831
        runtime.goexit()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/asm_amd64.s:1581 +0x1 fp=0xc000126fe8 sp=0xc000126fe0 pc=0x40652e1
        created by runtime.gcBgMarkStartWorkers
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:1124 +0x25
        
        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 +0x165
        main.main()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/main.go:34 +0x14d
        
        goroutine 124 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 115 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 125 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 116 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 130 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 129 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 128 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 127 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 126 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 131 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 132 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 133 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 134 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 135 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 136 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 137 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 139 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 140 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 142 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 148 [runnable]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 150 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 155 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 156 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 157 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 158 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 159 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 160 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 161 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 162 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 170 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 173 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 178 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 179 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 180 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 181 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 182 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 183 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 184 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 185 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 186 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 187 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 189 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 192 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 193 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 196 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 199 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 200 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 201 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 208 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 212 [syscall]:
        main._Cfunc_foo()
        	_cgo_gotypes.go:245 +0x45
        main.CgoCallbackGC.func2()
        	/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 +0xfd
        
        goroutine 243 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 248 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 249 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 251 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 252 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 257 [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:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 262 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 267 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 268 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 269 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 272 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 278 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 302 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 303 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 305 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 310 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 323 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 324 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 326 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 327 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 328 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 329 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 330 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 331 [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:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 332 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 333 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 334 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 335 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 336 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 337 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 338 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 339 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 340 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 342 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 343 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 345 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 346 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 347 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 348 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 349 [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:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 350 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 351 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 352 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 353 [runnable, locked to thread]:
        runtime.GC()
        	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/mgc.go:438 +0x45
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 354 [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:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 355 [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:433 +0x29
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
        
        goroutine 356 [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:441 +0x4e
        main.go_callback()
        	/private/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-10_14/go/src/runtime/testdata/testprogcgo/callback.go:44 +0x4a
FAIL
FAIL	runtime	29.397s
FAIL
go tool dist: Failed: exit status 1