this derivation will be built:
  /nix/store/8caja9rvpgp1ijd7akabhx46lwpxn1vx-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/8caja9rvpgp1ijd7akabhx46lwpxn1vx-bcachefs-module-7.0.0-31-generic.drv'...