this derivation will be built:
  /nix/store/bj2mi2sd67zriv546khy0n6vhlx7d9v3-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/bj2mi2sd67zriv546khy0n6vhlx7d9v3-bcachefs-module-7.0.0-29-generic.drv'...