runtime error: invalid memory address or nil pointer dereference
In /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/ffmpeg.go:110
goroutine 28085 [running]: github.com/youtgo/vendor/github.com/gocraft/web.ShowErrorsMiddleware.func1(0x948b40, 0xc00002e6c0, 0xc00002e6e0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/show_errors_middleware.go:19 +0x9e panic(0x80da20, 0xc03e40) /home/john/.gvm/gos/go1.13/src/runtime/panic.go:679 +0x1b2 main.pipeThruFfmpegToMp3(0xc000470180, 0x948b40, 0xc00002e6c0, 0x0, 0x0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/ffmpeg.go:110 +0xc59 main.(*YoutubeContext).YoutubeToMp3(0xc00002e780, 0x948b40, 0xc00002e6c0, 0xc00002e6e0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/main.go:157 +0x265 reflect.Value.call(0x7fd5a0, 0x8c9298, 0x13, 0x88229c, 0x4, 0xc000590d70, 0x3, 0x3, 0x0, 0x1, ...) /home/john/.gvm/gos/go1.13/src/reflect/value.go:460 +0x5f6 reflect.Value.Call(0x7fd5a0, 0x8c9298, 0x13, 0xc000590d70, 0x3, 0x3, 0xc0002bf4c0, 0x1, 0x1) /home/john/.gvm/gos/go1.13/src/reflect/value.go:321 +0xb4 github.com/youtgo/vendor/github.com/gocraft/web.middlewareStack.func1(0x948b40, 0xc00002e6c0, 0xc00002e6e0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:135 +0x3a1 main.(*YoutubeContext).SetYoutubeContext(0xc00002e780, 0x948b40, 0xc00002e6c0, 0xc00002e6e0, 0xc0001aba90) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/main.go:140 +0xf9d reflect.Value.call(0x809a20, 0x8c9288, 0x13, 0x88229c, 0x4, 0xc00023b368, 0x4, 0x4, 0x0, 0x0, ...) /home/john/.gvm/gos/go1.13/src/reflect/value.go:460 +0x5f6 reflect.Value.Call(0x809a20, 0x8c9288, 0x13, 0xc00023b368, 0x4, 0x4, 0x0, 0x0, 0x0) /home/john/.gvm/gos/go1.13/src/reflect/value.go:321 +0xb4 github.com/youtgo/vendor/github.com/gocraft/web.(*middlewareHandler).invoke(0xc0000bb8c0, 0x823900, 0xc00002e780, 0x16, 0x948b40, 0xc00002e6c0, 0xc00002e6e0, 0xc0001aba90) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:155 +0x26a github.com/youtgo/vendor/github.com/gocraft/web.middlewareStack.func1(0x948b40, 0xc00002e6c0, 0xc00002e6e0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:144 +0x18b github.com/youtgo/vendor/github.com/gocraft/web.ShowErrorsMiddleware(0x948b40, 0xc00002e6c0, 0xc00002e6e0, 0xc0001aba90) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/show_errors_middleware.go:25 +0x95 github.com/youtgo/vendor/github.com/gocraft/web.(*middlewareHandler).invoke(0xc0000bb890, 0x823900, 0xc00002e780, 0x16, 0x948b40, 0xc00002e6c0, 0xc00002e6e0, 0xc0001aba90) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:153 +0x36e github.com/youtgo/vendor/github.com/gocraft/web.middlewareStack.func1(0x948b40, 0xc00002e6c0, 0xc00002e6e0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:144 +0x18b github.com/youtgo/vendor/github.com/gocraft/web.LoggerMiddleware(0x948b40, 0xc00002e6c0, 0xc00002e6e0, 0xc0001aba90) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/logger_middleware.go:16 +0x88 github.com/youtgo/vendor/github.com/gocraft/web.(*middlewareHandler).invoke(0xc0000bb860, 0x823900, 0xc00002e780, 0x16, 0x948b40, 0xc00002e6c0, 0xc00002e6e0, 0xc0001aba90) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:153 +0x36e github.com/youtgo/vendor/github.com/gocraft/web.middlewareStack.func1(0x948b40, 0xc00002e6c0, 0xc00002e6e0) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:144 +0x18b github.com/youtgo/vendor/github.com/gocraft/web.(*Router).ServeHTTP(0xc0000bd1e0, 0x943fc0, 0xc000348380, 0xc000112800) /home/john/.gvm/pkgsets/go1.13/global/src/github.com/youtgo/vendor/github.com/gocraft/web/router_serve.go:48 +0x268 net/http.serverHandler.ServeHTTP(0xc000144000, 0x943fc0, 0xc000348380, 0xc000112800) /home/john/.gvm/gos/go1.13/src/net/http
Method: POST