these 5 derivations will be built:
  /nix/store/g4b914yg988d1s6jr0b7l8dsb3k4cnnq-vendor-registry.drv
  /nix/store/vk1389k3xdks9k4j306yylq5gdasrvx9-vendor-cargo-deps.drv
  /nix/store/y92fxa359gxd16rg87lcg82p99pv6qs5-source.drv
  /nix/store/kbdbxz63l9l4m1xhmhp0nz5sxvk1p2br-harmonia-deps-3.1.0.drv
  /nix/store/0h14r5jiicckxps3drs6pj0ljq1yjcnz-harmonia-3.1.0.drv