these 5 derivations will be built:
  /nix/store/1ay5zaqq00n9v2bhivc5cqggzza8rcj4-Cargo.toml.drv
  /nix/store/xkdhnfkhdal1pl2lj575j5fqrk7j75i1-Cargo.toml.drv
  /nix/store/ybf5fz2b6w015p6s4418xmp0g7rs67k8-source.drv
  /nix/store/q95nm1qw7526m1j8k8yxfrcakc6rnj08-harmonia-deps-3.2.0.drv
  /nix/store/5mxr1vnkd0v7dyv21yimxmkw37bz2rh0-harmonia-clippy-3.2.0.drv