this derivation will be built:
  /nix/store/5km3700z3rmzj8jl7jg6wrlp24fzaj42-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/5km3700z3rmzj8jl7jg6wrlp24fzaj42-bcachefs-module-7.0.0-34-generic.drv'...