this derivation will be built:
  /nix/store/mg3zx65gh90k1cbr4isg3qfjbhm24kxm-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/mg3zx65gh90k1cbr4isg3qfjbhm24kxm-bcachefs-module-7.0.0-29-generic.drv'...