Can't npm install next

Bug report

Describe the bug

When you install from scratch in a clean repo, you get 404 error with a @ampproject/toolbox-optimizer dependency:

npm install next react react-dom
npm WARN deprecated chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated mkdirp@0.5.3: Legacy versions of mkdirp are no longer supported. Please update to mkdirp 1.x. (Note that the API surface has changed to use Promises in 1.x.)
npm ERR! code E404
npm ERR! 404 Not Found - GET https://registry.npmjs.org/@ampproject%2ftoolbox-optimizer - Not found
npm ERR! 404 
npm ERR! 404  '@ampproject/toolbox-optimizer@2.5.14' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404 It was specified as a dependency of 'next'
npm ERR! 404 
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/lovebeam/.npm/_logs/2020-08-06T09_14_31_325Z-debug.log
➜  gramotool git:(master) ✗ npm install next@9.4.0 react react-dom
npm WARN deprecated chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated mkdirp@0.5.3: Legacy versions of mkdirp are no longer supported. Please update to mkdirp 1.x. (Note that the API surface has changed to use Promises in 1.x.)
npm ERR! code E404
npm ERR! 404 Not Found - GET https://registry.npmjs.org/@ampproject%2ftoolbox-optimizer - Not found
npm ERR! 404 
npm ERR! 404  '@ampproject/toolbox-optimizer@2.3.1' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404 It was specified as a dependency of 'next'
npm ERR! 404 
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.

To Reproduce

Steps to reproduce the behavior, please provide code snippets or a repository:

1. Create empty folder, make npm init.
2. Type npm install next react react-dom as it said in Nextjs docs.
3. Get an error with a dependency not found

[Janpot]

npm is having trouble, you can follow their status page.

[balazsorban44]

This issue has been automatically locked due to no recent activity. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.