this derivation will be built:
  /nix/store/dyn71jf36s57dm9cqj85xrms7myqgz3z-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/dyn71jf36s57dm9cqj85xrms7myqgz3z-bcachefs-module-7.0.0-30-generic.drv'...