Adding the assignment

4 jobs for master in 48 seconds (queued for 3 seconds)
Name Stage Failure
build Build
22c8233ded68: Pull complete
23ab68c7ffca: Pull complete
b9ff294be11a: Pull complete
aae6e48059cb: Pull complete
ff11b3a76f34: Pull complete
Digest: sha256:ae3e2ef65701b815f3392f411b26a17e6f9f8ac680bf6b2d2576b4f68614eb5d
Status: Downloaded newer image for gliderlabs/herokuish:latest
-----> Unable to select a buildpack
ERROR: Job failed: exit code 1