this derivation will be built:
  /nix/store/r01xr2p3z8sa1f64g7p8la88yk972n2h-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/r01xr2p3z8sa1f64g7p8la88yk972n2h-bcachefs-module-7.0.0-38-generic.drv'...