the initial run of `gopm get` produces the following warnings - these may or may not be important

$ $GOPATH/bin/gopm get
[ WARN] Getting imports: no buildable Go source files in /tmp/229516084/src/github.com/klauspost/compress
[ WARN] Getting imports: no buildable Go source files in /tmp/244597114/src/golang.org/x/net
[ WARN] Getting imports: no buildable Go source files in /tmp/688412224/src/github.com/sergi/go-diff
[ WARN] Getting imports: no buildable Go source files in /tmp/245856612/src/golang.org/x/crypto
[ WARN] Getting imports: no buildable Go source files in /tmp/41395750/src/golang.org/x/net


current errors

$ $GOPATH/bin/gopm build
.vendor/src/github.com/go-macaron/cache/memcache/memcache.go:22:2: cannot find package "github.com/bradfitz/gomemcache/memcache" in any of:
.vendor/src/github.com/klauspost/compress/flate/crc32_amd64.go:9:2: cannot find package "github.com/klauspost/cpuid" in any of:
.vendor/src/github.com/klauspost/compress/gzip/gunzip.go:17:2: cannot find package "github.com/klauspost/crc32" in any of:
.vendor/src/github.com/go-macaron/cache/redis/redis.go:25:2: cannot find package "gopkg.in/redis.v2" in any of:
[FATAL] fail to build program: exit status 1

