this derivation will be built:
  /nix/store/b3cdsfm8d4dbg7lh2wblpz18y6d671jj-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/b3cdsfm8d4dbg7lh2wblpz18y6d671jj-bcachefs-module-7.0.0-31-generic.drv'...