this derivation will be built:
  /nix/store/ps2ykj38a1sj27nhkm55bnqqnk4jy43w-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/ps2ykj38a1sj27nhkm55bnqqnk4jy43w-bcachefs-module-7.0.0-38-generic.drv'...