http panic when draining logs

[crasu]

I get the following panic when trying to drain logs to aws:

2019-05-30T22:30:09.243163+00:00 app[web.1]: 2019/05/30 22:30:09 http: panic serving 10.29.184.30:23753: runtime error: invalid memory address or nil pointer dereference
2019-05-30T22:30:09.243185+00:00 app[web.1]: goroutine 68 [running]:
2019-05-30T22:30:09.243187+00:00 app[web.1]: net/http.(*conn).serve.func1(0xc42040a6e0)
2019-05-30T22:30:09.243189+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:1697 +0xd0
2019-05-30T22:30:09.243191+00:00 app[web.1]: panic(0x7b8360, 0xa79360)
2019-05-30T22:30:09.243192+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/runtime/panic.go:491 +0x283
2019-05-30T22:30:09.243194+00:00 app[web.1]: github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/newrelic/go-agent.(*txn).End(0xc4201d9400, 0x0, 0x0)
2019-05-30T22:30:09.243196+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/newrelic/go-agent/internal_txn.go:259 +0xb35
2019-05-30T22:30:09.243198+00:00 app[web.1]: github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/newrelic/go-agent.wrapCFHR.End(0xc4201d9400, 0xa4da60, 0xc4203c01c0)
2019-05-30T22:30:09.243200+00:00 app[web.1]: :1 +0x34
2019-05-30T22:30:09.243202+00:00 app[web.1]: panic(0x7b8360, 0xa79360)
2019-05-30T22:30:09.243203+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/runtime/panic.go:491 +0x283
2019-05-30T22:30:09.243205+00:00 app[web.1]: github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/honeybadger-io/honeybadger-go.(*Client).Handler.func1.1(0xc420096600, 0xc420012200)
2019-05-30T22:30:09.243207+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/honeybadger-io/honeybadger-go/client.go:96 +0x1d1
2019-05-30T22:30:09.243209+00:00 app[web.1]: panic(0x7b8360, 0xa79360)
2019-05-30T22:30:09.243210+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/runtime/panic.go:491 +0x283
2019-05-30T22:30:09.243212+00:00 app[web.1]: github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/jcxplorer/cwlogger.(*Logger).Log(0x0, 0x2e6eb030, 0xed4825070, 0xa854c0, 0xc42005e1e0, 0x5a)
2019-05-30T22:30:09.243214+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/jcxplorer/cwlogger/cwlogger.go:105 +0x5b
2019-05-30T22:30:09.243215+00:00 app[web.1]: main.(*App).processMessages(0xc420098840, 0x7fb63f7dc8f8, 0xc4201d4cc0, 0xa4baa0, 0x0, 0xa504a0, 0xc4201d9400, 0x0, 0x0)
2019-05-30T22:30:09.243217+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/main.go:228 +0x216
2019-05-30T22:30:09.243219+00:00 app[web.1]: main.(*App).ServeHTTP(0xc420098840, 0x7fb63f86b0d0, 0xc4201d9400, 0xc420012200)
2019-05-30T22:30:09.243221+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/main.go:154 +0x582
2019-05-30T22:30:09.243222+00:00 app[web.1]: github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/honeybadger-io/honeybadger-go.(*Client).Handler.func1(0x7fb63f86b0d0, 0xc4201d9400, 0xc420012200)
2019-05-30T22:30:09.243224+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/honeybadger-io/honeybadger-go/client.go:99 +0x94
2019-05-30T22:30:09.243226+00:00 app[web.1]: net/http.HandlerFunc.ServeHTTP(0xc4200f6ca0, 0x7fb63f86b0d0, 0xc4201d9400, 0xc420012200)
2019-05-30T22:30:09.243228+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:1918 +0x44
2019-05-30T22:30:09.243229+00:00 app[web.1]: github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/newrelic/go-agent.WrapHandle.func1(0xa4da60, 0xc4203c01c0, 0xc420012200)
2019-05-30T22:30:09.243231+00:00 app[web.1]: /tmp/build_499c843c508c547a3144bce1b808eb93/src/github.com/kiskolabs/heroku-cloudwatch-drain/vendor/github.com/newrelic/go-agent/instrumentation.go:30 +0x112
2019-05-30T22:30:09.243233+00:00 app[web.1]: net/http.HandlerFunc.ServeHTTP(0xc420096840, 0xa4da60, 0xc4203c01c0, 0xc420012200)
2019-05-30T22:30:09.243235+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:1918 +0x44
2019-05-30T22:30:09.243236+00:00 app[web.1]: net/http.(*ServeMux).ServeHTTP(0xc42015b980, 0xa4da60, 0xc4203c01c0, 0xc420012200)
2019-05-30T22:30:09.243238+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:2254 +0x130
2019-05-30T22:30:09.243240+00:00 app[web.1]: net/http.serverHandler.ServeHTTP(0xc420165040, 0xa4da60, 0xc4203c01c0, 0xc420012200)
2019-05-30T22:30:09.243242+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:2619 +0xb4
2019-05-30T22:30:09.243243+00:00 app[web.1]: net/http.(*conn).serve(0xc42040a6e0, 0xa4e0e0, 0xc4201d4c40)
2019-05-30T22:30:09.243245+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:1801 +0x71d
2019-05-30T22:30:09.243246+00:00 app[web.1]: created by net/http.(*Server).Serve
2019-05-30T22:30:09.243248+00:00 app[web.1]: /app/tmp/cache/go1.9.7/go/src/net/http/server.go:2720 +0x288