this derivation will be built:
  /nix/store/g7cm1c99fs5w96skmqx299vjq9z57q2k-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/g7cm1c99fs5w96skmqx299vjq9z57q2k-bcachefs-module-7.0.0-38-generic.drv'...