this derivation will be built:
  /nix/store/9k2qrc1fv3qbzyxafc6aly265r4vfnkj-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/9k2qrc1fv3qbzyxafc6aly265r4vfnkj-bcachefs-module-7.0.0-31-generic.drv'...