this derivation will be built:
  /nix/store/a07vldvqs7qiljn6y7qbkgp85596s441-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/a07vldvqs7qiljn6y7qbkgp85596s441-bcachefs-module-7.0.0-31-generic.drv'...