these 2 derivations will be built:
  /nix/store/i0905g305xbivhmbgxn8zk2r4jnqcil6-iets-0.1.0.drv
  /nix/store/g9qbphrwahwx7gl59bb22wy3bjd50f9m-iets-diff-e2e.drv
error: timed out after 1200 seconds
error: Cannot build '/nix/store/g9qbphrwahwx7gl59bb22wy3bjd50f9m-iets-diff-e2e.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/h47ndd2hppwp7a626gc12ws641c26wic-iets-diff-e2e