these 5 derivations will be built:
  /nix/store/g7ay1w43c1n4z66s94is91in5a1xifi5-vendor-registry.drv
  /nix/store/6q57p6dsrik836pak7302dnckqc15k3p-vendor-cargo-deps.drv
  /nix/store/rdjplkav6bhz0aqjkqlxrbnnmybwx9x4-source.drv
  /nix/store/qqp5nn95g558ws8nf10mrjbnrpqvkl20-harmonia-deps-3.3.0.drv
  /nix/store/70wi28iiybn7kn8sij8qbnnl9miwic1s-harmonia-llvm-cov-3.3.0.drv