section_end:1570336033:get_sources
section_start:1570336033:restore_cache
Checking cache for default...
No URL provided, cache will not be downloaded from shared cache server. Instead a local version of cache will be extracted. 
Successfully extracted cache
section_end:1570336033:restore_cache
section_start:1570336033:download_artifacts
section_end:1570336033:download_artifacts
section_start:1570336033:build_script
$ gitbook build . public
info: 7 plugins are installed 
info: 14 explicitly listed 

Error: Couldn't locate plugins "insert-logo, search-pro, hide-element, back-to-top-button, chapter-fold, code, splitter, pageview-count, tbfed-pagefooter, lightbox, prism", Run 'gitbook install' to install plugins from registry.
section_end:1570336037:build_script
section_start:1570336037:after_script
section_end:1570336037:after_script
section_start:1570336037:upload_artifacts_on_failure
section_end:1570336038:upload_artifacts_on_failure
ERROR: Job failed: command terminated with exit code 1