this derivation will be built:
  /nix/store/0il21finj16kr6alsj2fzd9gmiqb577g-bcachefs-module-7.0.0-29-generic-64k.drv
building '/nix/store/0il21finj16kr6alsj2fzd9gmiqb577g-bcachefs-module-7.0.0-29-generic-64k.drv'...