this derivation will be built:
  /nix/store/7nvssz8s1d215p9mc6ylm2y1aypq7w9i-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/7nvssz8s1d215p9mc6ylm2y1aypq7w9i-bcachefs-module-7.0.0-28-generic.drv'...