this derivation will be built:
  /nix/store/dz222v6iwhq8ik29w915a4qsviq9mhd7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/dz222v6iwhq8ik29w915a4qsviq9mhd7-bcachefs-module-7.0.0-38-generic.drv'...