this derivation will be built:
  /nix/store/if9js0fvw6y24a9awljb55f7141flxwg-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/if9js0fvw6y24a9awljb55f7141flxwg-bcachefs-module-7.0.0-34-generic.drv'...