this derivation will be built:
  /nix/store/wjv5z9nv8hv205jlk2m9164a6rh086qr-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/wjv5z9nv8hv205jlk2m9164a6rh086qr-bcachefs-module-7.0.0-38-generic.drv'...