[BUG] old lockfile causes 404 Not Found for "file:"-referenced dependency

[Krinkle]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

On Node 10, Node 12 and Node 14 with npm 6.x or npm 7.5.2, the installation step (npm ci) works fine.

On Node 16.6.1 with npm 7.20.3, installation fails as follows:

https://github.com/qunitjs/qunit/runs/3271660304

pm WARN old lockfile 
npm WARN old lockfile The package-lock.json file was created with an old version of npm,
npm WARN old lockfile so supplemental metadata must be fetched from the registry.
npm WARN old lockfile 
... 2.16.0: building release
npm WARN old lockfile This is a one-time fix-up, please be patient...
... 2.15.0: installing development dependencies from npm
npm WARN old lockfile 
npm WARN old lockfile HttpErrorGeneral: 404 Not Found - GET https://registry.npmjs.org/npm-reporter - Not found
npm WARN old lockfile     at /opt/hostedtoolcache/node/16.6.1/x64/lib/node_modules/npm/node_modules/npm-registry-fetch/check-response.js:95:15
npm WARN old lockfile     at runMicrotasks (<anonymous>)
npm WARN old lockfile     at processTicksAndRejections (node:internal/process/task_queues:96:5)
npm WARN old lockfile     at async Array.<anonymous> (/opt/hostedtoolcache/node/16.6.1/x64/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js:681:9)
npm WARN old lockfile  Could not fetch metadata for npm-reporter@1.0.0 HttpErrorGeneral: 404 Not Found - GET https://registry.npmjs.org/npm-reporter - Not found
npm WARN old lockfile     at /opt/hostedtoolcache/node/16.6.1/x64/lib/node_modules/npm/node_modules/npm-registry-fetch/check-response.js:95:15
npm WARN old lockfile     at runMicrotasks (<anonymous>)
npm WARN old lockfile     at processTicksAndRejections (node:internal/process/task_queues:96:5)
npm WARN old lockfile     at async Array.<anonymous> (/opt/hostedtoolcache/node/16.6.1/x64/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js:681:9) {
npm WARN old lockfile   headers: [Object: null prototype] {
npm WARN old lockfile     date: [ 'Sun, 08 Aug 2021 01:40:59 GMT' ],
npm WARN old lockfile     'content-type': [ 'application/json' ],
npm WARN old lockfile     'content-length': [ '21' ],
npm WARN old lockfile     connection: [ 'keep-alive' ],
npm WARN old lockfile     'cf-ray': [ '67b50a2f78865ec6-IAD' ],
npm WARN old lockfile     vary: [ 'Accept-Encoding' ],
npm WARN old lockfile     'cf-cache-status': [ 'MISS' ],
npm WARN old lockfile     'expect-ct': [
npm WARN old lockfile       'max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"'
npm WARN old lockfile     ],
npm WARN old lockfile     server: [ 'cloudflare' ],
npm WARN old lockfile     'x-fetch-attempts': [ '1' ],
npm WARN old lockfile     'x-local-cache-status': [ 'skip' ]
npm WARN old lockfile   },
npm WARN old lockfile   statusCode: 404,
npm WARN old lockfile   code: 'E404',
npm WARN old lockfile   method: 'GET',
npm WARN old lockfile   uri: 'https://registry.npmjs.org/npm-reporter',
npm WARN old lockfile   body: { error: 'Not found' },
npm WARN old lockfile   pkgid: 'npm-reporter@1.0.0'
npm WARN old lockfile }

Expected Behavior

No failure, as it was on Node 14 with npm 7.5.2.

Steps To Reproduce

https://github.com/qunitjs/qunit/blob/d7c983b8375769fd21b359d8cc13346a76fd6045/package.json#L73

Environment

• OS: Ubuntu 20.04
• Node: 16.6.1
• npm: 7.20.3