these 2 derivations will be built:
  /nix/store/pkjb01w1a4lx1ggy6d9cag1alfa5gyvx-iets-0.1.0.drv
  /nix/store/il1br72h3mas68hxyiwazqnpr0jv9mxj-iets-linttest.drv
error: timed out after 1200 seconds
error: Cannot build '/nix/store/il1br72h3mas68hxyiwazqnpr0jv9mxj-iets-linttest.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/v4fn0sjzi5m7rm69z64kf1vdwmfhq8h2-iets-linttest