this derivation will be built:
  /nix/store/fr36lraw55gszp14v520yvg20jl7z8zb-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/fr36lraw55gszp14v520yvg20jl7z8zb-bcachefs-module-7.0.0-34-generic.drv'...