these 3 derivations will be built:
  /nix/store/c9ws3r7ikq6glgg398wc7a94vzi6ksam-source.drv
  /nix/store/k0lipf3fwz2i0gqidmd4w106d9af76sb-harmonia-deps-3.2.0.drv
  /nix/store/dd0a2dkgc409i4br54m673jk70rcim2z-harmonia-clippy-3.2.0.drv