these 2 derivations will be built:
  /nix/store/f3w8cyzgkxf0d1jpgcbmkzrkx2fl8ryq-iets-0.1.0.drv
  /nix/store/dgy2rlqrpnczgkwd4x7yq42kc23chyzq-iets-linttest.drv