these 6 derivations will be built:
  /nix/store/njvvgziw41p30kin8mz1ayrnbcwh4k6v-iets-0.1.0.drv
  /nix/store/xvg6lm0wz65s2y59sknjajawzs805ijn-closure-info.drv
  /nix/store/vzx2p53mqbwqsjrd12sb5rzw9qk4rx6f-test-script.drv
  /nix/store/mx92zd5wz963pa5gy90yy7glbjajla7w-driverConfiguration.json.drv
  /nix/store/x7qk5mlg4y5hvv4x1yr1vkxjsxlbgffk-nixos-test-driver-iets-prefetch-e2e.drv
  /nix/store/q552vra4gxm5r4a8pb3bfgm8z33yd1pa-container-test-run-iets-prefetch-e2e.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy