this derivation will be built:
  /nix/store/j91bdvmbpc900w0qhbj2fiwn9mm5gg54-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/j91bdvmbpc900w0qhbj2fiwn9mm5gg54-bcachefs-module-7.0.0-31-generic.drv'...