this derivation will be built:
  /nix/store/vsffsmpfss5qx0px33jda1c6v6hqsp9j-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/vsffsmpfss5qx0px33jda1c6v6hqsp9j-bcachefs-module-7.0.0-30-generic.drv'...