this derivation will be built:
  /nix/store/bfzxz8vnzj802qlczraic0wd7857qs90-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/bfzxz8vnzj802qlczraic0wd7857qs90-bcachefs-module-7.0.0-29-generic.drv'...