this derivation will be built:
  /nix/store/mp8v9q0c867v794n9v796k0q4sh31i0y-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/mp8v9q0c867v794n9v796k0q4sh31i0y-bcachefs-module-7.0.0-34-generic.drv'...