runtime: goroutine stack exceeds 1000000000-byte limit
fatal error: stack overflow
runtime stack:
runtime.throw(0x7de0ce, 0xe)
/usr/local/go/src/runtime/panic.go:619 +0x81
runtime.newstack()
/usr/local/go/src/runtime/stack.go:1054 +0x71f
runtime.morestack()
/usr/local/go/src/runtime/asm_amd64.s:480 +0x89
goroutine 1 [running]:
sync.(*Once).Do(0xa06638, 0x7f5908)
/usr/local/go/src/sync/once.go:35 +0xf5 fp=0xc44018c358 sp=0xc44018c350 pc=0x46cb35
syscall.Getenv(0x7dfb87, 0x12, 0x0, 0x0, 0x46fd00)
/usr/local/go/src/syscall/env_unix.go:72 +0x4a fp=0xc44018c398 sp=0xc44018c358 pc=0x46fc6a
os.Getenv(0x7dfb87, 0x12, 0xa07260, 0x0)
/usr/local/go/src/os/env.go:85 +0x4d fp=0xc44018c3d0 sp=0xc44018c398 pc=0x49415d
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:138 +0x3a fp=0xc44018c438 sp=0xc44018c3d0 pc=0x70fd9a
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c4a0 sp=0xc44018c438 pc=0x70fdcb
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c508 sp=0xc44018c4a0 pc=0x70fdcb
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c570 sp=0xc44018c508 pc=0x70fdcb
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c5d8 sp=0xc44018c570 pc=0x70fdcb
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c640 sp=0xc44018c5d8 pc=0x70fdcb
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c6a8 sp=0xc44018c640 pc=0x70fdcb
main.defaultServer(0x216b, 0x12, 0x0)
/home/sqs/src/github.com/mattn/goreman/goreman.go:142 +0x6b fp=0xc44018c710 sp=0xc44018c6a8 pc=0x70fdcb
...
`