this derivation will be built:
  /nix/store/6piyr8rjbijqlq764jjbam4h9hp3r7rd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/6piyr8rjbijqlq764jjbam4h9hp3r7rd-bcachefs-module-7.0.0-39-generic.drv'...