goroutine 24 [running]:
github.com/mholt/caddy/vendor/github.com/mholt/certmagic.(*Cache).Stop(...)
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/vendor/github.com/mholt/certmagic/cache.go:87
github.com/mholt/caddy/caddytls.NewConfig.func1(0xc00013a150, 0x12927f0)
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/caddytls/config.go:105 +0x2e
github.com/mholt/caddy.(*Instance).ShutdownCallbacks(0xc0001ee000, 0xc0001224e0, 0xc0001224e0, 0x0)
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/caddy.go:169 +0xb2
github.com/mholt/caddy.allShutdownCallbacks(0xc3352d, 0x8, 0xb18160)
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/sigtrap.go:100 +0x10b
github.com/mholt/caddy.executeShutdownCallbacks.func1()
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/sigtrap.go:80 +0x8f
sync.(*Once).Do(0x12bcf38, 0xc000050f88)
/usr/local/go/src/sync/once.go:44 +0xb3
github.com/mholt/caddy.executeShutdownCallbacks(0xc308b6, 0x6, 0x0)
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/sigtrap.go:76 +0x77
github.com/mholt/caddy.trapSignalsCrossPlatform.func1.1()
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/sigtrap.go:66 +0x36
created by github.com/mholt/caddy.trapSignalsCrossPlatform.func1
/tmp/gopath_02-06-0307.103777464/src/github.com/mholt/caddy/sigtrap.go:65 +0xdc
I’m not sure what was happen but it’s not happen us again.