this derivation will be built:
  /nix/store/xbq7cagf66rjwacjrz6l2d953cvfqf35-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/xbq7cagf66rjwacjrz6l2d953cvfqf35-bcachefs-module-7.0.0-39-generic.drv'...