this derivation will be built:
  /nix/store/ky1bkiyd23hrh4jcb47ia2w25pd2mg6k-vanixiets-docs-e2e-runner-controls-0.0.0-development.drv
error: Cannot build '/nix/store/ky1bkiyd23hrh4jcb47ia2w25pd2mg6k-vanixiets-docs-e2e-runner-controls-0.0.0-development.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/cgdhz86xsap9wx6qybczvw3f2g4dmw6k-vanixiets-docs-e2e-runner-controls-0.0.0-development
       Last 25 log lines:
       > ℹ todo 0
       > ℹ duration_ms 138795.660304
       >
       > ✖ failing tests:
       >
       > test at tests/browser-report.test.ts:28:3
       > ✖ actual worker failure is not product evidence (76955.750954ms)
       >   AssertionError [ERR_ASSERTION]: The input did not match the regular expression /worker process exited unexpectedly/. Input:
       >
       >   '{"config":{"argv":["/nix/store/z5piarlh57mjwr4c9w318ay97sxr6c9m-nodejs-slim-24.20.0/bin/node","/build/source/node_modules/.bun/@playwright+test@1.63.0/node_modules/@playwright/test/cli.js","test","--config","playwright.negative.config.ts"],"configFile":"/build/docs-runner-control-H82k9N/playwright.negative.config.ts","rootDir":"/build/docs-runner-control-H82k9N","failOnFlakyTests":false,"forbidOnly":false,"fullyParallel":false,"globalSetup":null,"globalTeardown":null,"globalTimeout":0,"grep":{},"grepInvert":null,"maxFailures":0,"metadata":{"actualWorkers":1},"preserveOutput":"always","projects":[{"outputDir":"/build/docs-runner-control-H82k9N/test-results","repeatEach":1,"retries":0,"metadata":{"actualWorkers":1},"id":"chromium","name":"chromium","testDir":"/build/docs-runner-control-H82k9N","testIgnore":[],"testMatch":["reader-journey.spec.ts"],"timeout":5000}],"quiet":false,"reporter":[["html",{"outputFolder":"playwright-report","open":"never"}],["json",{"outputFile":"playwright-report/results.json"}],["/build/source/packages/docs/tests/report/completion-reporter.ts",null]],"reportSlowTests":{"max":5,"threshold":300000},"shard":null,"tags":[],"updateSnapshots":"missing","updateSourceMethod":"patch","version":"1.63.0","workers":1,"webServer":null},"suites":[{"title":"reader-journey.spec.ts","file":"reader-journey.spec.ts","column":0,"line":0,"specs":[{"title":"damaged guide is rejected by the real reader journey","ok":false,"tags":[],"tests":[{"timeout":5000,"annotations":[],"expectedStatus":"passed","projectId":"chromium","projectName":"chromium","results":[{"workerIndex":0,"parallelIndex":0,"status":"timedOut","duration":70618,"error":{"message":"\\u001b[31mTest timeout of 5000ms exceeded while setting up \\"page\\".\\u001b[39m","stack":"\\u001b[31mTest timeout of 5000ms exceeded while setting up \\"page\\".\\u001b[39m"},"errors":[{"message":"\\u001b[31mTest timeout of 5000ms exceeded while setting up \\"page\\".\\u001b[39m"}],"stdout":[],"stderr":[{"text":"Skipping host requirements validation logic because `PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS` env variable is set.\\n"}],"retry":0,"startTime":"2026-10-02T23:55:35.641Z","annotations":[],"attachments":[{"name":"screenshot","contentType":"image/png","path":"test-results/reader-journey-damaged-gui-1e1de--by-the-real-reader-journey-chromium/test-failed-1.png"},{"name":"error-context","contentType":"text/markdown","path":"test-results/reader-journey-damaged-gui-1e1de--by-the-real-reader-journey-chromium/error-context.md"},{"name":"trace","contentType":"application/zip","path":"test-results/reader-journey-damaged-gui-1e1de--by-the-real-reader-journey-chromium/trace.zip"}]}],"status":"unexpected"}],"id":"0309075d4dd7ac434c8c-decab83fbda87f252c17","file":"reader-journey.spec.ts","line":4,"column":10}]}],"errors":[],"stats":{"startTime":"2026-10-02T23:55:33.278Z","duration":73939.137,"expected":0,"skipped":0,"unexpected":1,"flaky":0}}'
       >
       >       at TestContext.<anonymous> (file:///build/source/packages/docs/tests/browser-report.test.ts:31:12)
       >       at Test.runInAsyncScope (node:async_hooks:227:14)
       >       at Test.run (node:internal/test_runner/test:1397:25)
       >       at Test.processPendingSubtests (node:internal/test_runner/test:969:18)
       >       at Test.postRun (node:internal/test_runner/test:1537:19)
       >       at Test.run (node:internal/test_runner/test:1462:12)
       >       at async Test.processPendingSubtests (node:internal/test_runner/test:969:7) {
       >     generatedMessage: true,
       >     code: 'ERR_ASSERTION',
       >     actual: '{"config":{"argv":["/nix/store/z5piarlh57mjwr4c9w318ay97sxr6c9m-nodejs-slim-24.20.0/bin/node","/build/source/node_modules/.bun/@playwright+test@1.63.0/node_modules/@playwright/test/cli.js","test","--config","playwright.negative.config.ts"],"configFile":"/build/docs-runner-control-H82k9N/playwright.negative.config.ts","rootDir":"/build/docs-runner-control-H82k9N","failOnFlakyTests":false,"forbidOnly":false,"fullyParallel":false,"globalSetup":null,"globalTeardown":null,"globalTimeout":0,"grep":{},"grepInvert":null,"maxFailures":0,"metadata":{"actualWorkers":1},"preserveOutput":"always","projects":[{"outputDir":"/build/docs-runner-control-H82k9N/test-results","repeatEach":1,"retries":0,"metadata":{"actualWorkers":1},"id":"chromium","name":"chromium","testDir":"/build/docs-runner-control-H82k9N","testIgnore":[],"testMatch":["reader-journey.spec.ts"],"timeout":5000}],"quiet":false,"reporter":[["html",{"outputFolder":"playwright-report","open":"never"}],["json",{"outputFile":"playwright-report/results.json"}],["/build/source/packages/docs/tests/report/completion-reporter.ts",null]],"reportSlowTests":{"max":5,"threshold":300000},"shard":null,"tags":[],"updateSnapshots":"missing","updateSourceMethod":"patch","version":"1.63.0","workers":1,"webServer":null},"suites":[{"title":"reader-journey.spec.ts","file":"reader-journey.spec.ts","column":0,"line":0,"specs":[{"title":"damaged guide is rejected by the real reader journey","ok":false,"tags":[],"tests":[{"timeout":5000,"annotations":[],"expectedStatus":"passed","projectId":"chromium","projectName":"chromium","results":[{"workerIndex":0,"parallelIndex":0,"status":"timedOut","duration":70618,"error":{"message":"\\u001b[31mTest timeout of 5000ms exceeded while setting up \\"page\\".\\u001b[39m","stack":"\\u001b[31mTest timeout of 5000ms exceeded while setting up \\"page\\".\\u001b[39m"},"errors":[{"message":"\\u001b[31mTest timeout of 5000ms exceeded while setting up \\"page\\".\\u001b[39m"}],"stdout":[],"stderr":[{"text":"Skipping host requirements validation logic because `PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS` env variable is set.\\n"}],"retry":0,"startTime":"2026-10-02T23:55:35.641Z","annotations":[],"attachments":[{"name":"screenshot","contentType":"image/png","path":"test-results/reader-journey-damaged-gui-1e1de--by-the-real-reader-journey-chromium/test-failed-1.png"},{"name":"error-context","contentType":"text/markdown","path":"test-results/reader-journey-damaged-gui-1e1de--by-the-real-reader-journey-chromium/error-context.md"},{"name":"trace","contentType":"application/zip","path":"test-results/reader-journey-damaged-gui-1e1de--by-the-real-reader-journey-chromium/trace.zip"}]}],"status":"unexpected"}],"id":"0309075d4dd7ac434c8c-decab83fbda87f252c17","file":"reader-journey.spec.ts","line":4,"column":10}]}],"errors":[],"stats":{"startTime":"2026-10-02T23:55:33.278Z","duration":73939.137,"expected":0,"skipped":0,"unexpected":1,"flaky":0}}',
       >     expected: /worker process exited unexpectedly/,
       >     operator: 'match',
       >     diff: 'simple'
       >   }
       For full logs, run:
         nix log /nix/store/ky1bkiyd23hrh4jcb47ia2w25pd2mg6k-vanixiets-docs-e2e-runner-controls-0.0.0-development.drv