this derivation will be built:
  /nix/store/9zfgpzmb19mylnd2nvhx3mb568lg07g5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/9zfgpzmb19mylnd2nvhx3mb568lg07g5-bcachefs-module-7.0.0-31-generic.drv'...