Job fails for no good reason

For some reason, TravisCI is unable to download the newest version of react-redux (v6.0.1) from npm.

I have confirmed that it is released, and it is available

npm i
npm ERR! code ETARGET
npm ERR! notarget No matching version found for react-redux@^6.0.1
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.
npm ERR! notarget 
npm ERR! notarget It was specified as a dependency of 'particleplate'
npm ERR! notarget 
npm ERR! A complete log of this run can be found in:
npm ERR!     /home/travis/.npm/_logs/2019-02-20T04_38_55_343Z-debug.log
The command "npm i" failed and exited with 1 during .

When reporting a problem, please include a build log URL, so we can help you better.

Thanks.

https://travis-ci.com/hellomouse/GNS/builds/101557091 It’s all the same in the jobs