this derivation will be built:
  /nix/store/r1ldwvjgkdz73033hnn0y27dq2sw8w7m-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/r1ldwvjgkdz73033hnn0y27dq2sw8w7m-bcachefs-module-7.0.0-38-generic.drv'...