these 2 derivations will be built:
  /nix/store/mp4n4a8ip62g01yjpr820k4i6cbzjfmw-harmonia-deps-3.2.0.drv
  /nix/store/krwrn5nnhv2cxcl4asrdql7f39k46cjp-harmonia-3.2.0.drv