this derivation will be built:
  /nix/store/xzmk79k0fizbg3clih6ns2kyg6p2q07n-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/xzmk79k0fizbg3clih6ns2kyg6p2q07n-bcachefs-module-7.0.0-38-generic.drv'...