/usr/share/gocode/src/ is in golang-github-willf-bitset-dev 1.1.3-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/src/github.com/
/usr/share/gocode/src/github.com/willf/
/usr/share/gocode/src/github.com/willf/bitset/
/usr/share/gocode/src/github.com/willf/bitset/bitset.go
/usr/share/gocode/src/github.com/willf/bitset/bitset_benchmark_test.go
/usr/share/gocode/src/github.com/willf/bitset/bitset_test.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_19.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_amd64.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_amd64.s
/usr/share/gocode/src/github.com/willf/bitset/popcnt_amd64_test.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_cmp_test.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_generic.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_go18_test.go
/usr/share/gocode/src/github.com/willf/bitset/popcnt_test.go
/usr/share/gocode/src/github.com/willf/bitset/trailing_zeros_18.go
/usr/share/gocode/src/github.com/willf/bitset/trailing_zeros_19.go