this derivation will be built:
  /nix/store/7sl6723g89acznvd4f25sjfgf40s8n5g-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/7sl6723g89acznvd4f25sjfgf40s8n5g-bcachefs-module-7.0.0-30-generic.drv'...