this derivation will be built:
  /nix/store/5y9x2g067bmx9vvyxqmmqs33gm46wmgj-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/5y9x2g067bmx9vvyxqmmqs33gm46wmgj-bcachefs-module-7.0.0-38-generic.drv'...