this derivation will be built:
  /nix/store/38rprbb4i0wz4fh6b3v4lblh2bgxzlna-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/38rprbb4i0wz4fh6b3v4lblh2bgxzlna-bcachefs-module-7.0.0-39-generic.drv'...