this derivation will be built:
  /nix/store/66aj6yprhm0s8zn10vi2v2j176vny4v2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/66aj6yprhm0s8zn10vi2v2j176vny4v2-bcachefs-module-7.0.0-39-generic.drv'...