these 6 derivations will be built:
  /nix/store/6qgjhxrxg94j87kbzfpcbl5fcj3r4549-source.drv
  /nix/store/qgmnjjxfjrqmfak0xiydsgx966lvhg1s-cargo-package-tokio-util-0.7.19.drv
  /nix/store/ckqi6kbq8nv9fa5z6xhcd8l31cvwjq46-vendor-registry.drv
  /nix/store/snrb0zribxsjg13pl2srk1zw8dv8djny-vendor-cargo-deps.drv
  /nix/store/z877p8jg5m61m8nhyc6cpx9dbb0xwz32-harmonia-deps-3.1.0.drv
  /nix/store/ixnfqyp7yj7wf6qb0z8mbykyyylldp24-harmonia-3.1.0.drv