this derivation will be built:
  /nix/store/ahzfwgvz8f90qn5prqqdiz53h443vc8g-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/ahzfwgvz8f90qn5prqqdiz53h443vc8g-bcachefs-module-7.0.0-31-generic.drv'...