##### Building Go bootstrap tool.
cmd/dist

##### Building Go toolchain using /home/rillig/pkg/go.
bootstrap/internal/obj
bootstrap/asm/internal/flags
bootstrap/compile/internal/big
bootstrap/internal/gcprog
bootstrap/internal/obj/arm
bootstrap/internal/obj/arm64
bootstrap/internal/obj/mips
bootstrap/internal/obj/ppc64
bootstrap/internal/obj/x86
bootstrap/asm/internal/lex
bootstrap/link/internal/ld
bootstrap/compile/internal/gc
bootstrap/asm/internal/arch
bootstrap/asm/internal/asm
bootstrap/asm
bootstrap/link/internal/amd64
bootstrap/link/internal/arm
bootstrap/link/internal/arm64
bootstrap/link/internal/mips64
bootstrap/link/internal/ppc64
bootstrap/link/internal/x86
bootstrap/link
bootstrap/compile/internal/amd64
bootstrap/compile/internal/arm
bootstrap/compile/internal/arm64
bootstrap/compile/internal/mips64
bootstrap/compile/internal/ppc64
bootstrap/compile/internal/x86
bootstrap/compile

##### Building go_bootstrap for host, netbsd/amd64.
runtime/internal/sys
runtime/internal/atomic
runtime
sort
math
sync/atomic
encoding
unicode
unicode/utf8
unicode/utf16
errors
internal/race
sync
container/heap
syscall
internal/singleflight
io
strings
bytes
hash
hash/adler32
strconv
internal/syscall/windows/registry
internal/syscall/windows
time
reflect
crypto
encoding/base64
bufio
path
regexp/syntax
crypto/sha1
os
regexp
path/filepath
os/signal
fmt
encoding/binary
io/ioutil
os/exec
debug/dwarf
flag
go/token
net/url
log
encoding/json
text/template/parse
compress/flate
go/scanner
go/ast
text/template
compress/zlib
go/parser
debug/macho
debug/elf
go/doc
go/build
cmd/go

##### Building packages and commands for netbsd/amd64.
runtime/internal/sys
runtime/internal/atomic
runtime
errors
internal/race
sync/atomic
unicode/utf8
unicode
sync
math
io
syscall
bytes
strconv
fatal error: exitsyscall: syscall frame is no longer valid

runtime stack:
runtime.throw(0x7d94a0, 0x2d)
	/home/rillig/godev/src/runtime/panic.go:530 +0x90 fp=0xc82055cbf0 sp=0xc82055cbd8
runtime.exitsyscall(0x5d9c5f)
	/home/rillig/godev/src/runtime/proc.go:2400 +0x62 fp=0xc82055cc18 sp=0xc82055cbf0
syscall.Syscall(0x3, 0x4, 0xc820165400, 0x200, 0xffffffffffffffff, 0x0, 0x9)
	/home/rillig/godev/src/syscall/asm_netbsd_amd64.s:34 +0x42 fp=0xc82055cc20 sp=0xc82055cc18
syscall.read(0x4, 0xc820165400, 0x200, 0x200, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/syscall/zsyscall_netbsd_amd64.go:874 +0x5f fp=0xc82055cc60 sp=0xc82055cc20
syscall.Read(0x4, 0xc820165400, 0x200, 0x200, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/syscall/syscall_unix.go:161 +0x4d fp=0xc82055cca0 sp=0xc82055cc60
os.(*File).read(0xc82055ce00, 0x7f7ff7f7d238, 0xc8203c0ac0, 0x20, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:228 +0x53 fp=0xc82055cce0 sp=0xc82055cca0
runtime.SetFinalizer(0x7032a0, 0xc8203c0ac0, 0x495e4f, 0xc8202c8d78)
	/home/rillig/godev/src/runtime/mfinal.go:326 +0x2df fp=0xc82055ce60 sp=0xc82055cce0
os.(*file).close(0xc8203c0ac0, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:146 +0x16c fp=0xc82055cee0 sp=0xc82055ce60
os.(*File).Close(0xc820022ab0, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:132 +0x54 fp=0xc82055cf00 sp=0xc82055cee0
os/exec.(*Cmd).writerDescriptor.func1(0x68f0e0, 0xc8202c8d20)
	/home/rillig/godev/src/os/exec/exec.go:237 +0xad fp=0xc82055cf80 sp=0xc82055cf00
os/exec.(*Cmd).Start.func1(0xc8205817c0, 0xc8203c0b20)
	/home/rillig/godev/src/os/exec/exec.go:344 +0x5b fp=0xc82055cfb0 sp=0xc82055cf80
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1999 +0x6 fp=0xc82055cfb8 sp=0xc82055cfb0

goroutine 1 [semacquire]:
runtime.gopark(0x80b6b8, 0x929300, 0x78aec0, 0xa, 0x19, 0x4)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc8205677c8 sp=0xc8205677a0
runtime.goparkunlock(0x929300, 0x78aec0, 0xa, 0x4b0c19, 0x4)
	/home/rillig/godev/src/runtime/proc.go:268 +0x54 fp=0xc820567800 sp=0xc8205677c8
runtime.semacquire(0xc8202353cc, 0x56ca01)
	/home/rillig/godev/src/runtime/sema.go:104 +0x2f7 fp=0xc820567860 sp=0xc820567800
sync.runtime_Semacquire(0xc8202353cc)
	/home/rillig/godev/src/runtime/sema.go:47 +0x26 fp=0xc820567878 sp=0xc820567860
sync.(*WaitGroup).Wait(0xc8202353c0)
	/home/rillig/godev/src/sync/waitgroup.go:127 +0xb4 fp=0xc8205678c0 sp=0xc820567878
main.(*builder).do(0xc8200e0af0, 0xc820313d40)
	/home/rillig/godev/src/cmd/go/build.go:1318 +0x3c6 fp=0xc8205679d0 sp=0xc8205678c0
main.runInstall(0x91b8c0, 0xc82000a190, 0x2, 0x2)
	/home/rillig/godev/src/cmd/go/build.go:633 +0x4e5 fp=0xc820567c60 sp=0xc8205679d0
main.main()
	/home/rillig/godev/src/cmd/go/main.go:181 +0x783 fp=0xc820567f50 sp=0xc820567c60
runtime.main()
	/home/rillig/godev/src/runtime/proc.go:188 +0x2b0 fp=0xc820567fa0 sp=0xc820567f50
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820567fa8 sp=0xc820567fa0

goroutine 2 [force gc (idle)]:
runtime.gopark(0x80b6b8, 0x9211f0, 0x7875c0, 0xf, 0x14, 0x1)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc82001e758 sp=0xc82001e730
runtime.goparkunlock(0x9211f0, 0x7875c0, 0xf, 0xc820000114, 0x1)
	/home/rillig/godev/src/runtime/proc.go:268 +0x54 fp=0xc82001e790 sp=0xc82001e758
runtime.forcegchelper()
	/home/rillig/godev/src/runtime/proc.go:229 +0xb8 fp=0xc82001e7c0 sp=0xc82001e790
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82001e7c8 sp=0xc82001e7c0
created by runtime.init.4
	/home/rillig/godev/src/runtime/proc.go:218 +0x2b

goroutine 3 [GC sweep wait]:
runtime.gopark(0x80b6b8, 0x921380, 0x781d80, 0xd, 0x4d5414, 0x1)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc82001ef48 sp=0xc82001ef20
runtime.goparkunlock(0x921380, 0x781d80, 0xd, 0x14, 0x1)
	/home/rillig/godev/src/runtime/proc.go:268 +0x54 fp=0xc82001ef80 sp=0xc82001ef48
runtime.bgsweep(0xc820046000)
	/home/rillig/godev/src/runtime/mgcsweep.go:79 +0x14d fp=0xc82001efb8 sp=0xc82001ef80
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82001efc0 sp=0xc82001efb8
created by runtime.gcenable
	/home/rillig/godev/src/runtime/mgc.go:191 +0x53

goroutine 4 [finalizer wait]:
runtime.gopark(0x80b6b8, 0x93cb80, 0x7871a0, 0xe, 0x14, 0x1)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc82001f718 sp=0xc82001f6f0
runtime.goparkunlock(0x93cb80, 0x7871a0, 0xe, 0x2000000014, 0x1)
	/home/rillig/godev/src/runtime/proc.go:268 +0x54 fp=0xc82001f750 sp=0xc82001f718
runtime.runfinq()
	/home/rillig/godev/src/runtime/mfinal.go:158 +0xaa fp=0xc82001f7c0 sp=0xc82001f750
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82001f7c8 sp=0xc82001f7c0
created by runtime.createfing
	/home/rillig/godev/src/runtime/mfinal.go:139 +0x60

goroutine 5 [syscall]:
runtime.notetsleepg(0x93cd60, 0xffffffffffffffff, 0x1)
	/home/rillig/godev/src/runtime/lock_sema.go:257 +0x60 fp=0xc82001ff40 sp=0xc82001ff00
os/signal.signal_recv(0x0)
	/home/rillig/godev/src/runtime/sigqueue.go:116 +0x132 fp=0xc82001ff78 sp=0xc82001ff40
os/signal.loop()
	/home/rillig/godev/src/os/signal/signal_unix.go:22 +0x18 fp=0xc82001ffc0 sp=0xc82001ff78
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82001ffc8 sp=0xc82001ffc0
created by os/signal.init.1
	/home/rillig/godev/src/os/signal/signal_unix.go:28 +0x37

goroutine 7 [GC worker (idle)]:
runtime.gopark(0x80b548, 0xc820024800, 0x7b0e00, 0x10, 0x14, 0x0)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc820020f48 sp=0xc820020f20
runtime.gcBgMarkWorker(0xc820016000)
	/home/rillig/godev/src/runtime/mgc.go:1378 +0x12c fp=0xc820020fb8 sp=0xc820020f48
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820020fc0 sp=0xc820020fb8
created by runtime.gcBgMarkStartWorkers
	/home/rillig/godev/src/runtime/mgc.go:1325 +0x93

goroutine 8 [GC worker (idle)]:
runtime.gopark(0x80b548, 0x921f40, 0x7b0e00, 0x10, 0x14, 0x0)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc820021748 sp=0xc820021720
runtime.gcBgMarkWorker(0xc820017500)
	/home/rillig/godev/src/runtime/mgc.go:1378 +0x12c fp=0xc8200217b8 sp=0xc820021748
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200217c0 sp=0xc8200217b8
created by runtime.gcBgMarkStartWorkers
	/home/rillig/godev/src/runtime/mgc.go:1325 +0x93

goroutine 9 [GC worker (idle)]:
runtime.gopark(0x80b548, 0xc820050000, 0x7b0e00, 0x10, 0x14, 0x0)
	/home/rillig/godev/src/runtime/proc.go:262 +0x163 fp=0xc820021f48 sp=0xc820021f20
runtime.gcBgMarkWorker(0xc820018a00)
	/home/rillig/godev/src/runtime/mgc.go:1378 +0x12c fp=0xc820021fb8 sp=0xc820021f48
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820021fc0 sp=0xc820021fb8
created by runtime.gcBgMarkStartWorkers
	/home/rillig/godev/src/runtime/mgc.go:1325 +0x93

goroutine 17 [syscall]:
syscall.Syscall6(0x1c1, 0x27c5, 0xc82005edcc, 0x0, 0xc8204dd7a0, 0x0, 0x0, 0xc82005eda0, 0xc82005eda8, 0xc82005ed98)
	/home/rillig/godev/src/syscall/asm_netbsd_amd64.s:44 +0x5 fp=0xc82005ed38 sp=0xc82005ed30
syscall.wait4(0x27c5, 0xc82005edcc, 0x0, 0xc8204dd7a0, 0x90, 0x0, 0x0)
	/home/rillig/godev/src/syscall/zsyscall_netbsd_amd64.go:34 +0x72 fp=0xc82005ed90 sp=0xc82005ed38
syscall.Wait4(0x27c5, 0xc82005ee14, 0x0, 0xc8204dd7a0, 0xc820022a68, 0x0, 0x0)
	/home/rillig/godev/src/syscall/syscall_bsd.go:129 +0x55 fp=0xc82005edd8 sp=0xc82005ed90
os.(*Process).wait(0xc8203c05a0, 0x1d, 0x0, 0x0)
	/home/rillig/godev/src/os/exec_unix.go:22 +0x105 fp=0xc82005ee88 sp=0xc82005edd8
os.(*Process).Wait(0xc8203c05a0, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/os/doc.go:45 +0x2d fp=0xc82005eeb0 sp=0xc82005ee88
os/exec.(*Cmd).Wait(0xc820581540, 0x0, 0x0)
	/home/rillig/godev/src/os/exec/exec.go:396 +0x211 fp=0xc82005ef80 sp=0xc82005eeb0
os/exec.(*Cmd).Run(0xc820581540, 0x0, 0x0)
	/home/rillig/godev/src/os/exec/exec.go:262 +0x64 fp=0xc82005efb0 sp=0xc82005ef80
main.(*builder).runOut(0xc8200e0af0, 0xc82028e0a0, 0x1f, 0xc820333231, 0x7, 0x0, 0x0, 0x0, 0xc8200362c0, 0x16, ...)
	/home/rillig/godev/src/cmd/go/build.go:2027 +0x364 fp=0xc82005f150 sp=0xc82005efb0
main.gcToolchain.gc(0xc8200e0af0, 0xc820463800, 0xc8203680c0, 0x20, 0xc820230d50, 0x24, 0xc8202a7200, 0xc8203c0160, 0x2, 0x2, ...)
	/home/rillig/godev/src/cmd/go/build.go:2288 +0x1261 fp=0xc82005f440 sp=0xc82005f150
main.(*gcToolchain).gc(0x93cc58, 0xc8200e0af0, 0xc820463800, 0xc8203680c0, 0x20, 0xc820230d50, 0x24, 0x0, 0xc8203c0160, 0x2, ...)
	<autogenerated>:3 +0x18e fp=0xc82005f4e8 sp=0xc82005f440
main.(*builder).build(0xc8200e0af0, 0xc820105790, 0x0, 0x0)
	/home/rillig/godev/src/cmd/go/build.go:1479 +0x224c fp=0xc82005fdf0 sp=0xc82005f4e8
main.(*builder).do.func1(0xc820105790)
	/home/rillig/godev/src/cmd/go/build.go:1252 +0x3b2 fp=0xc82005feb0 sp=0xc82005fdf0
main.(*builder).do.func2(0xc8202353c0, 0xc8200e0af0, 0xc82022b080)
	/home/rillig/godev/src/cmd/go/build.go:1309 +0x156 fp=0xc82005ff88 sp=0xc82005feb0
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82005ff90 sp=0xc82005ff88
created by main.(*builder).do
	/home/rillig/godev/src/cmd/go/build.go:1315 +0x39e

goroutine 18 [syscall]:
syscall.Syscall6(0x1c1, 0x14bc, 0xc820034dcc, 0x0, 0xc82000b320, 0x0, 0x0, 0xc820034da0, 0xc820034da8, 0xc820034d98)
	/home/rillig/godev/src/syscall/asm_netbsd_amd64.s:44 +0x5 fp=0xc820034d38 sp=0xc820034d30
syscall.wait4(0x14bc, 0xc820034dcc, 0x0, 0xc82000b320, 0x90, 0x0, 0x0)
	/home/rillig/godev/src/syscall/zsyscall_netbsd_amd64.go:34 +0x72 fp=0xc820034d90 sp=0xc820034d38
syscall.Wait4(0x14bc, 0xc820034e14, 0x0, 0xc82000b320, 0xc8204020f0, 0x0, 0x0)
	/home/rillig/godev/src/syscall/syscall_bsd.go:129 +0x55 fp=0xc820034dd8 sp=0xc820034d90
os.(*Process).wait(0xc820251ae0, 0x1d, 0x0, 0x0)
	/home/rillig/godev/src/os/exec_unix.go:22 +0x105 fp=0xc820034e88 sp=0xc820034dd8
os.(*Process).Wait(0xc820251ae0, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/os/doc.go:45 +0x2d fp=0xc820034eb0 sp=0xc820034e88
os/exec.(*Cmd).Wait(0xc8201fe000, 0x0, 0x0)
	/home/rillig/godev/src/os/exec/exec.go:396 +0x211 fp=0xc820034f80 sp=0xc820034eb0
os/exec.(*Cmd).Run(0xc8201fe000, 0x0, 0x0)
	/home/rillig/godev/src/os/exec/exec.go:262 +0x64 fp=0xc820034fb0 sp=0xc820034f80
main.(*builder).runOut(0xc8200e0af0, 0xc82022a0e0, 0x1d, 0xc8200df7d1, 0x5, 0x0, 0x0, 0x0, 0xc82036d760, 0x10, ...)
	/home/rillig/godev/src/cmd/go/build.go:2027 +0x364 fp=0xc820035150 sp=0xc820034fb0
main.gcToolchain.gc(0xc8200e0af0, 0xc820051c00, 0xc8203c1920, 0x1e, 0xc8202301e0, 0x22, 0xc8202a7200, 0xc8202516c0, 0x2, 0x2, ...)
	/home/rillig/godev/src/cmd/go/build.go:2288 +0x1261 fp=0xc820035440 sp=0xc820035150
main.(*gcToolchain).gc(0x93cc58, 0xc8200e0af0, 0xc820051c00, 0xc8203c1920, 0x1e, 0xc8202301e0, 0x22, 0x0, 0xc8202516c0, 0x2, ...)
	<autogenerated>:3 +0x18e fp=0xc8200354e8 sp=0xc820035440
main.(*builder).build(0xc8200e0af0, 0xc820104750, 0x0, 0x0)
	/home/rillig/godev/src/cmd/go/build.go:1479 +0x224c fp=0xc820035df0 sp=0xc8200354e8
main.(*builder).do.func1(0xc820104750)
	/home/rillig/godev/src/cmd/go/build.go:1252 +0x3b2 fp=0xc820035eb0 sp=0xc820035df0
main.(*builder).do.func2(0xc8202353c0, 0xc8200e0af0, 0xc82022b080)
	/home/rillig/godev/src/cmd/go/build.go:1309 +0x156 fp=0xc820035f88 sp=0xc820035eb0
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820035f90 sp=0xc820035f88
created by main.(*builder).do
	/home/rillig/godev/src/cmd/go/build.go:1315 +0x39e

goroutine 19 [runnable]:
syscall.Syscall(0x6, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/syscall/asm_netbsd_amd64.s:21 +0x5 fp=0xc820063b10 sp=0xc820063b08
syscall.Close(0x3, 0x0, 0x0)
	/home/rillig/godev/src/syscall/zsyscall_netbsd_amd64.go:401 +0x4a fp=0xc820063b50 sp=0xc820063b10
os.(*file).close(0xc820251b00, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:140 +0x61 fp=0xc820063bd0 sp=0xc820063b50
os.(*File).Close(0xc820402100, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:132 +0x54 fp=0xc820063bf0 sp=0xc820063bd0
main.(*builder).moveOrCopyFile(0xc8200e0af0, 0xc820104ea0, 0xc8202aa5a0, 0x2e, 0xc8203c1bc0, 0x20, 0x1b6, 0x0, 0x0)
	/home/rillig/godev/src/cmd/go/build.go:1720 +0x386 fp=0xc820063d38 sp=0xc820063bf0
main.(*builder).install(0xc8200e0af0, 0xc820104ea0, 0x0, 0x0)
	/home/rillig/godev/src/cmd/go/build.go:1653 +0x2f2 fp=0xc820063df0 sp=0xc820063d38
main.(*builder).do.func1(0xc820104ea0)
	/home/rillig/godev/src/cmd/go/build.go:1252 +0x3b2 fp=0xc820063eb0 sp=0xc820063df0
main.(*builder).do.func2(0xc8202353c0, 0xc8200e0af0, 0xc82022b080)
	/home/rillig/godev/src/cmd/go/build.go:1309 +0x156 fp=0xc820063f88 sp=0xc820063eb0
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820063f90 sp=0xc820063f88
created by main.(*builder).do
	/home/rillig/godev/src/cmd/go/build.go:1315 +0x39e

goroutine 13 [syscall]:
syscall.Syscall(0x3, 0x6, 0xc82011c400, 0x200, 0x0, 0x0, 0x498079)
	/home/rillig/godev/src/syscall/asm_netbsd_amd64.s:21 +0x5 fp=0xc82001cc20 sp=0xc82001cc18
syscall.read(0x6, 0xc82011c400, 0x200, 0x200, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/syscall/zsyscall_netbsd_amd64.go:874 +0x5f fp=0xc82001cc60 sp=0xc82001cc20
syscall.Read(0x6, 0xc82011c400, 0x200, 0x200, 0xc82001cce8, 0x0, 0x0)
	/home/rillig/godev/src/syscall/syscall_unix.go:161 +0x4d fp=0xc82001cca0 sp=0xc82001cc60
os.(*File).read(0xc8204020e8, 0xc82011c400, 0x200, 0x200, 0xc82011c400, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:228 +0x53 fp=0xc82001cce0 sp=0xc82001cca0
os.(*File).Read(0xc8204020e8, 0xc82011c400, 0x200, 0x200, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/os/file.go:95 +0x8a fp=0xc82001cd38 sp=0xc82001cce0
bytes.(*Buffer).ReadFrom(0xc8200ac380, 0x7f7ff7f74a60, 0xc8204020e8, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/bytes/buffer.go:176 +0x23f fp=0xc82001cde8 sp=0xc82001cd38
io.copyBuffer(0x7f7ff7f37e60, 0xc8200ac380, 0x7f7ff7f74a60, 0xc8204020e8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/io/io.go:374 +0x180 fp=0xc82001cea8 sp=0xc82001cde8
io.Copy(0x7f7ff7f37e60, 0xc8200ac380, 0x7f7ff7f74a60, 0xc8204020e8, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/io/io.go:350 +0x64 fp=0xc82001cf00 sp=0xc82001cea8
os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
	/home/rillig/godev/src/os/exec/exec.go:236 +0x8b fp=0xc82001cf80 sp=0xc82001cf00
os/exec.(*Cmd).Start.func1(0xc8201fe000, 0xc820251880)
	/home/rillig/godev/src/os/exec/exec.go:344 +0x1d fp=0xc82001cfb0 sp=0xc82001cf80
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82001cfb8 sp=0xc82001cfb0
created by os/exec.(*Cmd).Start
	/home/rillig/godev/src/os/exec/exec.go:345 +0x967

goroutine 63 [syscall]:
syscall.Syscall(0x3, 0x5, 0xc820165200, 0x200, 0x0, 0x0, 0x498079)
	/home/rillig/godev/src/syscall/asm_netbsd_amd64.s:21 +0x5 fp=0xc82001b420 sp=0xc82001b418
syscall.read(0x5, 0xc820165200, 0x200, 0x200, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/syscall/zsyscall_netbsd_amd64.go:874 +0x5f fp=0xc82001b460 sp=0xc82001b420
syscall.Read(0x5, 0xc820165200, 0x200, 0x200, 0xc82001b4e8, 0x0, 0x0)
	/home/rillig/godev/src/syscall/syscall_unix.go:161 +0x4d fp=0xc82001b4a0 sp=0xc82001b460
os.(*File).read(0xc820022a60, 0xc820165200, 0x200, 0x200, 0xc820165200, 0x0, 0x0)
	/home/rillig/godev/src/os/file_unix.go:228 +0x53 fp=0xc82001b4e0 sp=0xc82001b4a0
os.(*File).Read(0xc820022a60, 0xc820165200, 0x200, 0x200, 0x1, 0x0, 0x0)
	/home/rillig/godev/src/os/file.go:95 +0x8a fp=0xc82001b538 sp=0xc82001b4e0
bytes.(*Buffer).ReadFrom(0xc8200eb570, 0x7f7ff7f74a60, 0xc820022a60, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/bytes/buffer.go:176 +0x23f fp=0xc82001b5e8 sp=0xc82001b538
io.copyBuffer(0x7f7ff7f37e60, 0xc8200eb570, 0x7f7ff7f74a60, 0xc820022a60, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/rillig/godev/src/io/io.go:374 +0x180 fp=0xc82001b6a8 sp=0xc82001b5e8
io.Copy(0x7f7ff7f37e60, 0xc8200eb570, 0x7f7ff7f74a60, 0xc820022a60, 0x4d4220, 0x0, 0x0)
	/home/rillig/godev/src/io/io.go:350 +0x64 fp=0xc82001b700 sp=0xc82001b6a8
os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
	/home/rillig/godev/src/os/exec/exec.go:236 +0x8b fp=0xc82001b780 sp=0xc82001b700
os/exec.(*Cmd).Start.func1(0xc820581540, 0xc8203c0340)
	/home/rillig/godev/src/os/exec/exec.go:344 +0x1d fp=0xc82001b7b0 sp=0xc82001b780
runtime.goexit()
	/home/rillig/godev/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82001b7b8 sp=0xc82001b7b0
created by os/exec.(*Cmd).Start
	/home/rillig/godev/src/os/exec/exec.go:345 +0x967