FAILED (unknown) opam => [build riak-pb.1.0.0 OCamlPro/opam-repository:master with 4.01.0 on Darwin (x86_64)]

/github/OCamlPro/opam-repository/task/1824
FAILED (unknown) opam => [build riak-pb.1.0.0 OCamlPro/opam-repository:master with 4.01.0 on Linux (ppc64)]

/github/OCamlPro/opam-repository/task/1830