+go build -tags without_openssl
internal/syscallcompat/unix2syscall_darwin.go:22:32: u.Atimespec undefined (type unix.Stat_t has no field or method Atimespec)
internal/syscallcompat/unix2syscall_darwin.go:23:32: u.Mtimespec undefined (type unix.Stat_t has no field or method Mtimespec)
internal/syscallcompat/unix2syscall_darwin.go:24:32: u.Ctimespec undefined (type unix.Stat_t has no field or method Ctimespec)
caused by 87c872767d (diff-4913a9178621eadcdf191db17915fbcb)
Gopkg.toml was emptied out by commit c3e12b5e68 which
seemed to work fine at the time. It turns out that, in
absence of a
branch = "master"
constraint, dep will use the last tag. We want latest
master, as this is what "go get" fetches, and hence
what Travis uses for testing.