this derivation will be built:
  /nix/store/srvsq1f434z1797hrff41islzy8x497c-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/srvsq1f434z1797hrff41islzy8x497c-bcachefs-module-7.0.0-31-generic-64k.drv'...