this derivation will be built:
  /nix/store/w7mrn16c02pypn6aqss3d1b8n1khiczg-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/w7mrn16c02pypn6aqss3d1b8n1khiczg-bcachefs-module-7.0.0-39-generic.drv'...