this derivation will be built:
  /nix/store/l55alif2lqi65rgjlwlf3a2lhxy9vy1m-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l55alif2lqi65rgjlwlf3a2lhxy9vy1m-bcachefs-module-7.0.0-39-generic.drv'...