Starting a bunch of goroutines...
fatal error: runtime.SetFinalizer: finalizer already set

runtime stack:
runtime.throw(0x544ce0, 0x2b)
	/usr/local/go/src/runtime/panic.go:547 +0x90 fp=0xc82012df48 sp=0xc82012df30
runtime.SetFinalizer.func2()
	/usr/local/go/src/runtime/mfinal.go:372 +0x6f fp=0xc82012df80 sp=0xc82012df48
runtime.systemstack(0xc82001d500)
	/usr/local/go/src/runtime/asm_amd64.s:291 +0x79 fp=0xc82012df88 sp=0xc82012df80
runtime.mstart()
	/usr/local/go/src/runtime/proc.go:1051 fp=0xc82012df90 sp=0xc82012df88

goroutine 132323 [running]:
runtime.systemstack_switch()
	/usr/local/go/src/runtime/asm_amd64.s:245 fp=0xc8204a1a48 sp=0xc8204a1a40
runtime.SetFinalizer(0x4f2f60, 0xc82045f6e0, 0x4d6900, 0x54f5d0)
	/usr/local/go/src/runtime/mfinal.go:374 +0x4b5 fp=0xc8204a1bc8 sp=0xc8204a1a48
os.NewFile(0xf, 0x51f040, 0x9, 0xc800000000)
	/usr/local/go/src/os/file_unix.go:57 +0xfc fp=0xc8204a1c20 sp=0xc8204a1bc8
os.OpenFile(0x51f040, 0x9, 0x0, 0x0, 0xecbf470a7, 0x0, 0x0)
	/usr/local/go/src/os/file_unix.go:123 +0x1bd fp=0xc8204a1c98 sp=0xc8204a1c20
os.Open(0x51f040, 0x9, 0x47e47f, 0x0, 0x0)
	/usr/local/go/src/os/file.go:244 +0x48 fp=0xc8204a1cd8 sp=0xc8204a1c98
os/exec.(*Cmd).stdin(0xc8203b57c0, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/exec/exec.go:171 +0x6e fp=0xc8204a1d70 sp=0xc8204a1cd8
os/exec.(*Cmd).Start(0xc8203b57c0, 0x0, 0x0)
	/usr/local/go/src/os/exec/exec.go:316 +0x2f4 fp=0xc8204a1f58 sp=0xc8204a1d70
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:43 +0x54 fp=0xc8204a1fa8 sp=0xc8204a1f58
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8204a1fb0 sp=0xc8204a1fa8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 1 [chan receive]:
runtime.gopark(0x54f910, 0xc8200700b8, 0x520cb0, 0xc, 0x17, 0x3)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc820219df0 sp=0xc820219dc8
runtime.goparkunlock(0xc8200700b8, 0x520cb0, 0xc, 0xc820012017, 0x3)
	/usr/local/go/src/runtime/proc.go:268 +0x54 fp=0xc820219e28 sp=0xc820219df0
runtime.chanrecv(0x4ca720, 0xc820070060, 0x0, 0xc820219e01, 0x400000)
	/usr/local/go/src/runtime/chan.go:470 +0x49f fp=0xc820219eb0 sp=0xc820219e28
runtime.chanrecv1(0x4ca720, 0xc820070060, 0x0)
	/usr/local/go/src/runtime/chan.go:355 +0x2b fp=0xc820219ee0 sp=0xc820219eb0
main.main()
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:65 +0x19f fp=0xc820219f70 sp=0xc820219ee0
runtime.main()
	/usr/local/go/src/runtime/proc.go:188 +0x2b0 fp=0xc820219fc0 sp=0xc820219f70
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820219fc8 sp=0xc820219fc0

goroutine 2 [force gc (idle), 2 minutes]:
runtime.gopark(0x54f910, 0x5bf790, 0x5213c0, 0xf, 0x14, 0x1)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc820024758 sp=0xc820024730
runtime.goparkunlock(0x5bf790, 0x5213c0, 0xf, 0xc820000114, 0x1)
	/usr/local/go/src/runtime/proc.go:268 +0x54 fp=0xc820024790 sp=0xc820024758
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:229 +0xb8 fp=0xc8200247c0 sp=0xc820024790
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200247c8 sp=0xc8200247c0
created by runtime.init.4
	/usr/local/go/src/runtime/proc.go:218 +0x2b

goroutine 17 [GC sweep wait]:
runtime.gopark(0x54f910, 0x5bf8a0, 0x51f500, 0xd, 0x449614, 0x1)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc820020748 sp=0xc820020720
runtime.goparkunlock(0x5bf8a0, 0x51f500, 0xd, 0x14, 0x1)
	/usr/local/go/src/runtime/proc.go:268 +0x54 fp=0xc820020780 sp=0xc820020748
runtime.bgsweep(0xc82006a000)
	/usr/local/go/src/runtime/mgcsweep.go:79 +0x14d fp=0xc8200207b8 sp=0xc820020780
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200207c0 sp=0xc8200207b8
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:191 +0x53

goroutine 18 [finalizer wait]:
runtime.gopark(0x54f910, 0x5d9e28, 0x521110, 0xe, 0x100000014, 0x1)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc820020f18 sp=0xc820020ef0
runtime.goparkunlock(0x5d9e28, 0x521110, 0xe, 0x2000000014, 0x1)
	/usr/local/go/src/runtime/proc.go:268 +0x54 fp=0xc820020f50 sp=0xc820020f18
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:158 +0xaa fp=0xc820020fc0 sp=0xc820020f50
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc820020fc8 sp=0xc820020fc0
created by runtime.createfing
	/usr/local/go/src/runtime/mfinal.go:139 +0x60

goroutine 1090 [GC worker (idle)]:
runtime.gopark(0xc8201a36b8, 0xc8200a4fa0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8200a4f40 sp=0xc8200a4f18
runtime.gcBgMarkWorker(0xc820015500)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8200a4fb8 sp=0xc8200a4f40
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200a4fc0 sp=0xc8200a4fb8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1091 [GC worker (idle)]:
runtime.gopark(0xc8203f8000, 0xc8202d3fa0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8202d3f40 sp=0xc8202d3f18
runtime.gcBgMarkWorker(0xc820016a00)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8202d3fb8 sp=0xc8202d3f40
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8202d3fc0 sp=0xc8202d3fb8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1055 [GC worker (idle)]:
runtime.gopark(0xc8203f9540, 0xc8200a7fa0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8200a7f40 sp=0xc8200a7f18
runtime.gcBgMarkWorker(0xc82001d500)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8200a7fb8 sp=0xc8200a7f40
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200a7fc0 sp=0xc8200a7fb8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1052 [GC worker (idle)]:
runtime.gopark(0xc820372f78, 0xc8201ac7a0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8201ac740 sp=0xc8201ac718
runtime.gcBgMarkWorker(0xc820019500)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8201ac7b8 sp=0xc8201ac740
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8201ac7c0 sp=0xc8201ac7b8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1053 [GC worker (idle)]:
runtime.gopark(0xc820374c90, 0xc8200a57a0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8200a5740 sp=0xc8200a5718
runtime.gcBgMarkWorker(0xc82001aa00)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8200a57b8 sp=0xc8200a5740
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200a57c0 sp=0xc8200a57b8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1054 [GC worker (idle)]:
runtime.gopark(0xc820370038, 0xc8200a67a0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8200a6740 sp=0xc8200a6718
runtime.gcBgMarkWorker(0xc82001c000)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8200a67b8 sp=0xc8200a6740
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200a67c0 sp=0xc8200a67b8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1051 [GC worker (idle)]:
runtime.gopark(0xc8203feeb8, 0xc8201ae7a0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8201ae740 sp=0xc8201ae718
runtime.gcBgMarkWorker(0xc820018000)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8201ae7b8 sp=0xc8201ae740
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8201ae7c0 sp=0xc8201ae7b8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 1089 [GC worker (idle)]:
runtime.gopark(0xc8201d1f68, 0xc8202d27a0, 0x532830, 0x10, 0x401014, 0x0)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc8202d2740 sp=0xc8202d2718
runtime.gcBgMarkWorker(0xc820014000)
	/usr/local/go/src/runtime/mgc.go:1403 +0xda fp=0xc8202d27b8 sp=0xc8202d2740
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8202d27c0 sp=0xc8202d27b8
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1330 +0x92

goroutine 132338 [semacquire]:
runtime.gopark(0x54f910, 0x5c8300, 0x522de0, 0xa, 0x19, 0x4)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc82024c960 sp=0xc82024c938
runtime.goparkunlock(0x5c8300, 0x522de0, 0xa, 0x19, 0x4)
	/usr/local/go/src/runtime/proc.go:268 +0x54 fp=0xc82024c998 sp=0xc82024c960
runtime.semacquire(0x5d9f64, 0x1)
	/usr/local/go/src/runtime/sema.go:104 +0x2f7 fp=0xc82024c9f8 sp=0xc82024c998
sync.runtime_Semacquire(0x5d9f64)
	/usr/local/go/src/runtime/sema.go:47 +0x26 fp=0xc82024ca10 sp=0xc82024c9f8
sync.(*Mutex).Lock(0x5d9f60)
	/usr/local/go/src/sync/mutex.go:83 +0x1c4 fp=0xc82024ca60 sp=0xc82024ca10
sync.(*RWMutex).Lock(0x5d9f60)
	/usr/local/go/src/sync/rwmutex.go:83 +0x30 fp=0xc82024ca80 sp=0xc82024ca60
syscall.forkExec(0xc8202002d0, 0xd, 0xc820200260, 0x1, 0x1, 0xc82024ccd0, 0xc81ffdd287, 0x0, 0x0)
	/usr/local/go/src/syscall/exec_unix.go:185 +0x38e fp=0xc82024cba0 sp=0xc82024ca80
syscall.StartProcess(0xc8202002d0, 0xd, 0xc820200260, 0x1, 0x1, 0xc82024ccd0, 0x2, 0x4, 0x0, 0x0)
	/usr/local/go/src/syscall/exec_unix.go:240 +0x6b fp=0xc82024cbf0 sp=0xc82024cba0
os.startProcess(0xc8202002d0, 0xd, 0xc820200260, 0x1, 0x1, 0xc82024cf08, 0xc8201cf560, 0x0, 0x0)
	/usr/local/go/src/os/exec_posix.go:45 +0x33e fp=0xc82024cd20 sp=0xc82024cbf0
os.StartProcess(0xc8202002d0, 0xd, 0xc820200260, 0x1, 0x1, 0xc82024cf08, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/doc.go:28 +0x69 fp=0xc82024cd70 sp=0xc82024cd20
os/exec.(*Cmd).Start(0xc8202b9900, 0x0, 0x0)
	/usr/local/go/src/os/exec/exec.go:332 +0x761 fp=0xc82024cf58 sp=0xc82024cd70
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:43 +0x54 fp=0xc82024cfa8 sp=0xc82024cf58
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82024cfb0 sp=0xc82024cfa8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 132322 [runnable]:
syscall.Stat(0xc82017b710, 0xa, 0xc8202163a8, 0x4, 0x4)
	/usr/local/go/src/syscall/zsyscall_freebsd_amd64.go:1127 fp=0xc8201b2500 sp=0xc8201b24f8
os.Stat(0xc82017b710, 0xa, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/file_unix.go:169 +0x6f fp=0xc8201b2558 sp=0xc8201b2500
os/exec.findExecutable(0xc82017b710, 0xa, 0x0, 0x0)
	/usr/local/go/src/os/exec/lp_unix.go:19 +0x3b fp=0xc8201b25b0 sp=0xc8201b2558
os/exec.LookPath(0x51df38, 0x4, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/exec/lp_unix.go:55 +0x470 fp=0xc8201b26b0 sp=0xc8201b25b0
os/exec.Command(0x51df38, 0x4, 0x0, 0x0, 0x0, 0xc8203b5680)
	/usr/local/go/src/os/exec/exec.go:132 +0x2f3 fp=0xc8201b2768 sp=0xc8201b26b0
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:42 +0x41 fp=0xc8201b27b8 sp=0xc8201b2768
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8201b27c0 sp=0xc8201b27b8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 132354 [semacquire]:
runtime.gopark(0x54f910, 0x5c8300, 0x522de0, 0xa, 0x19, 0x4)
	/usr/local/go/src/runtime/proc.go:262 +0x163 fp=0xc82003d960 sp=0xc82003d938
runtime.goparkunlock(0x5c8300, 0x522de0, 0xa, 0x19, 0x4)
	/usr/local/go/src/runtime/proc.go:268 +0x54 fp=0xc82003d998 sp=0xc82003d960
runtime.semacquire(0x5d9f64, 0x1)
	/usr/local/go/src/runtime/sema.go:104 +0x2f7 fp=0xc82003d9f8 sp=0xc82003d998
sync.runtime_Semacquire(0x5d9f64)
	/usr/local/go/src/runtime/sema.go:47 +0x26 fp=0xc82003da10 sp=0xc82003d9f8
sync.(*Mutex).Lock(0x5d9f60)
	/usr/local/go/src/sync/mutex.go:83 +0x1c4 fp=0xc82003da60 sp=0xc82003da10
sync.(*RWMutex).Lock(0x5d9f60)
	/usr/local/go/src/sync/rwmutex.go:83 +0x30 fp=0xc82003da80 sp=0xc82003da60
syscall.forkExec(0xc820231700, 0xd, 0xc820231690, 0x1, 0x1, 0xc82003dcd0, 0xc81ffdeac1, 0x0, 0x0)
	/usr/local/go/src/syscall/exec_unix.go:185 +0x38e fp=0xc82003dba0 sp=0xc82003da80
syscall.StartProcess(0xc820231700, 0xd, 0xc820231690, 0x1, 0x1, 0xc82003dcd0, 0x2, 0x4, 0x0, 0x0)
	/usr/local/go/src/syscall/exec_unix.go:240 +0x6b fp=0xc82003dbf0 sp=0xc82003dba0
os.startProcess(0xc820231700, 0xd, 0xc820231690, 0x1, 0x1, 0xc82003df08, 0xc8203d05a0, 0x0, 0x0)
	/usr/local/go/src/os/exec_posix.go:45 +0x33e fp=0xc82003dd20 sp=0xc82003dbf0
os.StartProcess(0xc820231700, 0xd, 0xc820231690, 0x1, 0x1, 0xc82003df08, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/doc.go:28 +0x69 fp=0xc82003dd70 sp=0xc82003dd20
os/exec.(*Cmd).Start(0xc8200acf00, 0x0, 0x0)
	/usr/local/go/src/os/exec/exec.go:332 +0x761 fp=0xc82003df58 sp=0xc82003dd70
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:43 +0x54 fp=0xc82003dfa8 sp=0xc82003df58
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82003dfb0 sp=0xc82003dfa8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 132355 [runnable]:
runtime.goready(0xc8200f8f00, 0x4)
	/usr/local/go/src/runtime/proc.go:271 fp=0xc82024f9a0 sp=0xc82024f998
runtime.semrelease(0x5d9f64)
	/usr/local/go/src/runtime/sema.go:147 +0x22c fp=0xc82024f9e0 sp=0xc82024f9a0
sync.runtime_Semrelease(0x5d9f64)
	/usr/local/go/src/runtime/sema.go:57 +0x21 fp=0xc82024f9f0 sp=0xc82024f9e0
sync.(*Mutex).Unlock(0x5d9f60)
	/usr/local/go/src/sync/mutex.go:122 +0xf9 fp=0xc82024fa30 sp=0xc82024f9f0
sync.(*RWMutex).Unlock(0x5d9f60)
	/usr/local/go/src/sync/rwmutex.go:122 +0xfc fp=0xc82024fa80 sp=0xc82024fa30
syscall.forkExec(0xc820431480, 0xd, 0xc820431410, 0x1, 0x1, 0xc82024fcd0, 0x12c5b, 0x0, 0x0)
	/usr/local/go/src/syscall/exec_unix.go:198 +0x592 fp=0xc82024fba0 sp=0xc82024fa80
syscall.StartProcess(0xc820431480, 0xd, 0xc820431410, 0x1, 0x1, 0xc82024fcd0, 0x2, 0x4, 0x0, 0x0)
	/usr/local/go/src/syscall/exec_unix.go:240 +0x6b fp=0xc82024fbf0 sp=0xc82024fba0
os.startProcess(0xc820431480, 0xd, 0xc820431410, 0x1, 0x1, 0xc82024ff08, 0xc82043a000, 0x0, 0x0)
	/usr/local/go/src/os/exec_posix.go:45 +0x33e fp=0xc82024fd20 sp=0xc82024fbf0
os.StartProcess(0xc820431480, 0xd, 0xc820431410, 0x1, 0x1, 0xc82024ff08, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/doc.go:28 +0x69 fp=0xc82024fd70 sp=0xc82024fd20
os/exec.(*Cmd).Start(0xc8203f0780, 0x0, 0x0)
	/usr/local/go/src/os/exec/exec.go:332 +0x761 fp=0xc82024ff58 sp=0xc82024fd70
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:43 +0x54 fp=0xc82024ffa8 sp=0xc82024ff58
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82024ffb0 sp=0xc82024ffa8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 132353 [runnable]:
runtime.SetFinalizer(0x50a060, 0xc82042d5e0, 0x4d64a0, 0x54f5c8)
	/usr/local/go/src/runtime/mfinal.go:265 fp=0xc82024ebb0 sp=0xc82024eba8
os.newProcess(0x12c5a, 0x0, 0xc8203f29d0)
	/usr/local/go/src/os/exec.go:22 +0x85 fp=0xc82024ebf0 sp=0xc82024ebb0
os.startProcess(0xc8203f2a40, 0xd, 0xc8203f29d0, 0x1, 0x1, 0xc82024ef08, 0xc82036db00, 0x0, 0x0)
	/usr/local/go/src/os/exec_posix.go:49 +0x49e fp=0xc82024ed20 sp=0xc82024ebf0
os.StartProcess(0xc8203f2a40, 0xd, 0xc8203f29d0, 0x1, 0x1, 0xc82024ef08, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/doc.go:28 +0x69 fp=0xc82024ed70 sp=0xc82024ed20
os/exec.(*Cmd).Start(0xc820332640, 0x0, 0x0)
	/usr/local/go/src/os/exec/exec.go:332 +0x761 fp=0xc82024ef58 sp=0xc82024ed70
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:43 +0x54 fp=0xc82024efa8 sp=0xc82024ef58
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82024efb0 sp=0xc82024efa8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 132299 [runnable]:
runtime.concatstring3(0x0, 0xc82001200b, 0x4, 0x51bbd0, 0x1, 0x51df38, 0x4, 0xc8201bfeb0, 0xa)
	/usr/local/go/src/runtime/string.go:62 fp=0xc8200a45b0 sp=0xc8200a45a8
os/exec.LookPath(0x51df38, 0x4, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/exec/lp_unix.go:54 +0x44b fp=0xc8200a46b0 sp=0xc8200a45b0
os/exec.Command(0x51df38, 0x4, 0x0, 0x0, 0x0, 0xc82030d900)
	/usr/local/go/src/os/exec/exec.go:132 +0x2f3 fp=0xc8200a4768 sp=0xc8200a46b0
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:42 +0x41 fp=0xc8200a47b8 sp=0xc8200a4768
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200a47c0 sp=0xc8200a47b8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1

goroutine 132281 [runnable]:
syscall.Stat(0xc8203b9770, 0xa, 0xc820214718, 0x4, 0x4)
	/usr/local/go/src/syscall/zsyscall_freebsd_amd64.go:1127 fp=0xc8201add00 sp=0xc8201adcf8
os.Stat(0xc8203b9770, 0xa, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/file_unix.go:169 +0x6f fp=0xc8201add58 sp=0xc8201add00
os/exec.findExecutable(0xc8203b9770, 0xa, 0x0, 0x0)
	/usr/local/go/src/os/exec/lp_unix.go:19 +0x3b fp=0xc8201addb0 sp=0xc8201add58
os/exec.LookPath(0x51df38, 0x4, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/os/exec/lp_unix.go:55 +0x470 fp=0xc8201adeb0 sp=0xc8201addb0
os/exec.Command(0x51df38, 0x4, 0x0, 0x0, 0x0, 0xc8202a0b40)
	/usr/local/go/src/os/exec/exec.go:132 +0x2f3 fp=0xc8201adf68 sp=0xc8201adeb0
main.run(0xc820080020)
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:42 +0x41 fp=0xc8201adfb8 sp=0xc8201adf68
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8201adfc0 sp=0xc8201adfb8
created by main.main
	/home/derek/dev/crashgo/src/cmd/crashgo/main.go:66 +0x1c1