/usr/share/gocode/src/ is in golang-github-cenkalti-backoff-dev 0.0~git20150522.6c45d6b-1.
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/usr/share/gocode/src/github.com/
/usr/share/gocode/src/github.com/cenkalti/
/usr/share/gocode/src/github.com/cenkalti/backoff/
/usr/share/gocode/src/github.com/cenkalti/backoff/backoff.go
/usr/share/gocode/src/github.com/cenkalti/backoff/backoff_test.go
/usr/share/gocode/src/github.com/cenkalti/backoff/exponential.go
/usr/share/gocode/src/github.com/cenkalti/backoff/exponential_test.go
/usr/share/gocode/src/github.com/cenkalti/backoff/retry.go
/usr/share/gocode/src/github.com/cenkalti/backoff/retry_test.go
/usr/share/gocode/src/github.com/cenkalti/backoff/ticker.go
/usr/share/gocode/src/github.com/cenkalti/backoff/ticker_test.go