this derivation will be built:
  /nix/store/fbwnbfj7slmbcjx69p2fk2jfd29yq8sh-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/fbwnbfj7slmbcjx69p2fk2jfd29yq8sh-bcachefs-module-7.0.0-38-generic.drv'...