this derivation will be built:
  /nix/store/706k61q5493vr5h7pdqga7kkj6d8a2gp-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/706k61q5493vr5h7pdqga7kkj6d8a2gp-bcachefs-module-7.0.0-39-generic.drv'...