these 3 derivations will be built:
  /nix/store/hzi1p4cgqahav0cwc7zq8lydxkxk96x5-source.drv
  /nix/store/kibsickwysirldym3f48lkrfki14jncv-apm-0.35.1.drv
  /nix/store/3czr5yp45b9fxchbb64w5qpca5mhbv6g-check-apm.drv