this derivation will be built:
  /nix/store/gqc8r560xn8hgwg345j8dsww61bb9gqr-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/gqc8r560xn8hgwg345j8dsww61bb9gqr-bcachefs-module-7.0.0-39-generic.drv'...