this derivation will be built:
  /nix/store/91wrxh6112m8cinfwc1bm0dj5y0fnpxh-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/91wrxh6112m8cinfwc1bm0dj5y0fnpxh-bcachefs-module-7.0.0-38-generic.drv'...