this derivation will be built:
  /nix/store/d31d3nlak7i6ap0xi6dlndx513l7hka9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/d31d3nlak7i6ap0xi6dlndx513l7hka9-bcachefs-module-7.0.0-39-generic.drv'...