these 4 derivations will be built:
  /nix/store/5990y9njins4a876kcw29m866r6mmwpl-source.drv
  /nix/store/29px1zx64l9gcv2llr0ldrwlzpr9y7z6-cc-switch-cli-5.10.3-vendor-staging.drv
  /nix/store/7k94nb9bd2p677az68qgcq19aai293d2-cc-switch-cli-5.10.3-vendor.drv
  /nix/store/sma7l6vxxpyd37p8a632rw3ahkk9na3r-cc-switch-cli-5.10.3.drv