this derivation will be built:
  /nix/store/j7p2ifvp34m2wszg4g7nmxbgdxl3b5xy-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/j7p2ifvp34m2wszg4g7nmxbgdxl3b5xy-bcachefs-module-7.0.0-39-generic.drv'...