these 6 derivations will be built:
  /nix/store/6krnp5lrb857m6jz9x05igplc31fdz07-cargo-package-tokio-1.53.0.drv
  /nix/store/3r5wf9k394msljyhrbq9c57i2fj646bx-vendor-registry.drv
  /nix/store/bh8336xdnwg9akm4r7g04767dky6gad5-source.drv
  /nix/store/xvajirrzg92zi6kb67a05yp0hgc7v3p4-vendor-cargo-deps.drv
  /nix/store/cq5hwkj35h03hry04bsdwx2p4k4sycp5-harmonia-deps-3.1.0.drv
  /nix/store/a0qk8qy83ar1n0gxlga4icgb5crh5adx-harmonia-3.1.0.drv