this derivation will be built:
  /nix/store/q8a4pkbyp2mz99kqm4jsrdy1w6vl5j96-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/q8a4pkbyp2mz99kqm4jsrdy1w6vl5j96-bcachefs-module-7.0.0-27-generic.drv'...