/usr/share/gocode/ is in golang-gopkg-yaml.v2-dev 0.0+git20170407.0.cd8b52f-1ubuntu2.
This file is owned by root:root, with mode 0o755.
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/usr/share/gocode/src/
/usr/share/gocode/src/gopkg.in/
/usr/share/gocode/src/gopkg.in/yaml.v2/
/usr/share/gocode/src/gopkg.in/yaml.v2/apic.go
/usr/share/gocode/src/gopkg.in/yaml.v2/decode.go
/usr/share/gocode/src/gopkg.in/yaml.v2/decode_test.go
/usr/share/gocode/src/gopkg.in/yaml.v2/emitterc.go
/usr/share/gocode/src/gopkg.in/yaml.v2/encode.go
/usr/share/gocode/src/gopkg.in/yaml.v2/encode_test.go
/usr/share/gocode/src/gopkg.in/yaml.v2/parserc.go
/usr/share/gocode/src/gopkg.in/yaml.v2/readerc.go
/usr/share/gocode/src/gopkg.in/yaml.v2/resolve.go
/usr/share/gocode/src/gopkg.in/yaml.v2/scannerc.go
/usr/share/gocode/src/gopkg.in/yaml.v2/sorter.go
/usr/share/gocode/src/gopkg.in/yaml.v2/suite_test.go
/usr/share/gocode/src/gopkg.in/yaml.v2/writerc.go
/usr/share/gocode/src/gopkg.in/yaml.v2/yaml.go
/usr/share/gocode/src/gopkg.in/yaml.v2/yamlh.go
/usr/share/gocode/src/gopkg.in/yaml.v2/yamlprivateh.go