this derivation will be built:
  /nix/store/bfc0xprg51qn3xvm34lranjy0kq2y9hw-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/bfc0xprg51qn3xvm34lranjy0kq2y9hw-bcachefs-module-7.0.0-27-generic.drv'...