Updating to Angular 12 causes memory overflow

🐞 Bug report

After updating to Angular 12, CI build does not work anymore on Cloud Provider (both GCP or GH Actions)

Command (mark with an x)

• new
• build
• serve
• test
• e2e
• generate
• add
• update
• lint
• extract-i18n
• run
• config
• help
• version
• doc

Is this a regression?

Yes, the previous version in which this bug was not present was: CI Build worked fine with Angular 11.

Description

After updating to Angular12, the CI build pipeline is causing memory overflow errors.

🔬 Minimal Reproduction

npm run staging, which translates to ng build --staging

🔥 Exception or Error

2021-10-18T07:10:46.8187380Z > fsevents@1.2.13 install /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/webpack-dev-server/node_modules/fsevents
2021-10-18T07:10:46.8188506Z > node install.js
2021-10-18T07:10:46.8188870Z 
2021-10-18T07:10:46.8708934Z 
2021-10-18T07:10:46.8713341Z Skipping 'fsevents' build as platform linux is not supported
2021-10-18T07:10:47.2102207Z 
2021-10-18T07:10:47.2105153Z > core-js@3.15.1 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/@angular-devkit/build-angular/node_modules/core-js
2021-10-18T07:10:47.2107645Z > node -e "try***require('./postinstall')***catch(e)***"
2021-10-18T07:10:47.2108385Z 
2021-10-18T07:10:47.4697004Z 
2021-10-18T07:10:47.4700228Z > preact@8.5.3 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/preact
2021-10-18T07:10:47.4702163Z > node -e "console.log('\u001b[35m\u001b[1mLove Preact? You can now donate to our open collective:\u001b[22m\u001b[39m\n > \u001b[34mhttps://opencollective.com/preact/donate\u001b[0m')"
2021-10-18T07:10:47.4703153Z 
2021-10-18T07:10:47.5182944Z Love Preact? You can now donate to our open collective:
2021-10-18T07:10:47.5184777Z  > https://opencollective.com/preact/donate
2021-10-18T07:10:47.5553069Z 
2021-10-18T07:10:47.5555817Z > core-js@3.6.5 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/@firebase/polyfill/node_modules/core-js
2021-10-18T07:10:47.5558290Z > node -e "try***require('./postinstall')***catch(e)***"
2021-10-18T07:10:47.5559054Z 
2021-10-18T07:10:47.6330627Z 
2021-10-18T07:10:47.6333175Z > protobufjs@6.11.2 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/protobufjs
2021-10-18T07:10:47.6334481Z > node scripts/postinstall
2021-10-18T07:10:47.6335063Z 
2021-10-18T07:10:47.7167499Z 
2021-10-18T07:10:47.7169629Z > core-js@3.18.3 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/core-js
2021-10-18T07:10:47.7171807Z > node -e "try***require('./postinstall')***catch(e)***"
2021-10-18T07:10:47.7172296Z 
2021-10-18T07:10:47.9077735Z 
2021-10-18T07:10:47.9079773Z > husky@4.3.8 install /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/husky
2021-10-18T07:10:47.9080657Z > node husky install
2021-10-18T07:10:47.9081012Z 
2021-10-18T07:10:47.9804652Z husky > Setting up git hooks
2021-10-18T07:10:48.0072228Z CI detected, skipping Git hooks installation.
2021-10-18T07:10:48.0073105Z husky > Done
2021-10-18T07:10:48.0129464Z 
2021-10-18T07:10:48.0131346Z > husky@4.3.8 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/husky
2021-10-18T07:10:48.0132600Z > opencollective-postinstall || exit 0
2021-10-18T07:10:48.0133145Z 
2021-10-18T07:10:48.2017094Z 
2021-10-18T07:10:48.2077625Z > core-js@2.6.12 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/babel-runtime/node_modules/core-js
2021-10-18T07:10:48.2080336Z > node -e "try***require('./postinstall')***catch(e)***"
2021-10-18T07:10:48.2080963Z 
2021-10-18T07:10:48.3504177Z 
2021-10-18T07:10:48.3506873Z > @compodoc/compodoc@1.1.15 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/@compodoc/compodoc
2021-10-18T07:10:48.3508509Z > opencollective-postinstall || exit 0
2021-10-18T07:10:48.3509259Z 
2021-10-18T07:10:48.5126190Z 
2021-10-18T07:10:48.5128282Z > @angular/cli@12.2.10 postinstall /home/runner/work/bluewindow-vulcan/bluewindow-vulcan/node_modules/@angular/cli
2021-10-18T07:10:48.5129595Z > node ./bin/postinstall/script.js
2021-10-18T07:10:48.5130025Z 
2021-10-18T07:10:48.9398663Z added 2317 packages in 37.509s
2021-10-18T07:10:49.1498730Z 
2021-10-18T07:10:49.1501886Z > nextwork@1.5.1 staging /home/runner/work/bluewindow-vulcan/bluewindow-vulcan
2021-10-18T07:10:49.1508121Z > ng build --configuration=staging
2021-10-18T07:10:49.1508929Z 
2021-10-18T07:10:51.7386048Z - Generating browser application bundles (phase: setup)...
2021-10-18T07:10:55.8284324Z Compiling @angular/core : es2015 as esm2015
2021-10-18T07:10:59.1353033Z Compiling @angular/common : es2015 as esm2015
2021-10-18T07:10:59.7331325Z Compiling @angular/platform-browser : es2015 as esm2015
2021-10-18T07:11:00.0239944Z Compiling @angular/animations : es2015 as esm2015
2021-10-18T07:11:00.0714286Z Compiling @angular/animations/browser : es2015 as esm2015
2021-10-18T07:11:00.3805066Z Compiling @angular/platform-browser/animations : es2015 as esm2015
2021-10-18T07:11:00.5439479Z Compiling @angular/cdk/portal : es2015 as esm2015
2021-10-18T07:11:00.6639754Z Compiling @swimlane/ngx-charts : es2015 as esm2015
2021-10-18T07:11:02.5441834Z Compiling @swimlane/ngx-graph : es2015 as esm2015
2021-10-18T07:11:03.1353727Z Compiling @angular/flex-layout/core : es2015 as esm2015
2021-10-18T07:11:03.4718363Z Compiling @angular/flex-layout/extended : es2015 as esm2015
2021-10-18T07:11:03.7171127Z Compiling @angular/cdk/bidi : es2015 as esm2015
2021-10-18T07:11:03.8126924Z Compiling @angular/flex-layout/flex : es2015 as esm2015
2021-10-18T07:11:04.1150676Z Compiling @angular/flex-layout/grid : es2015 as esm2015
2021-10-18T07:11:04.3487516Z Compiling @angular/flex-layout : es2015 as esm2015
2021-10-18T07:11:04.5340075Z Compiling ng-keyboard-shortcuts : es2015 as esm2015
2021-10-18T07:11:04.9829273Z Compiling @angular/forms : es2015 as esm2015
2021-10-18T07:11:05.8137921Z Compiling ngx-monaco-editor : es2015 as esm2015
2021-10-18T07:11:06.0279907Z Compiling primeng/utils : es2015 as esm2015
2021-10-18T07:11:06.0468251Z Compiling @angular/router : es2015 as esm2015
2021-10-18T07:11:06.4495362Z Compiling primeng/api : es2015 as esm2015
2021-10-18T07:11:06.6060913Z Compiling @angular/cdk/platform : es2015 as esm2015
2021-10-18T07:11:06.7062940Z Compiling @angular/cdk/collections : es2015 as esm2015
2021-10-18T07:11:06.8057747Z Compiling @angular/cdk/scrolling : es2015 as esm2015
2021-10-18T07:11:07.0284009Z Compiling primeng/dom : es2015 as esm2015
2021-10-18T07:11:07.0551490Z Compiling primeng/tooltip : es2015 as esm2015
2021-10-18T07:11:07.1483897Z Compiling primeng/ripple : es2015 as esm2015
2021-10-18T07:11:07.2580530Z Compiling primeng/dropdown : es2015 as esm2015
2021-10-18T07:11:07.4827027Z Compiling primeng/paginator : es2015 as esm2015
2021-10-18T07:11:07.6476537Z Compiling primeng/inputtext : es2015 as esm2015
2021-10-18T07:11:07.7277289Z Compiling primeng/button : es2015 as esm2015
2021-10-18T07:11:07.8479416Z Compiling primeng/selectbutton : es2015 as esm2015
2021-10-18T07:11:07.9673668Z Compiling primeng/tristatecheckbox : es2015 as esm2015
2021-10-18T07:11:08.0560683Z Compiling primeng/calendar : es2015 as esm2015
2021-10-18T07:11:08.2969863Z Compiling primeng/inputnumber : es2015 as esm2015
2021-10-18T07:11:08.4400251Z Compiling primeng/table : es2015 as esm2015
2021-10-18T07:11:08.9075089Z Compiling primeng/multiselect : es2015 as esm2015
2021-10-18T07:11:09.1218886Z Compiling primeng/inputswitch : es2015 as esm2015
2021-10-18T07:11:09.2122455Z Compiling primeng/focustrap : es2015 as esm2015
2021-10-18T07:11:09.2893875Z Compiling primeng/dialog : es2015 as esm2015
2021-10-18T07:11:09.4329929Z Compiling primeng/inputmask : es2015 as esm2015
2021-10-18T07:11:09.5391543Z Compiling primeng/confirmdialog : es2015 as esm2015
2021-10-18T07:11:09.6747923Z Compiling primeng/progressspinner : es2015 as esm2015
2021-10-18T07:11:09.7473020Z Compiling primeng/togglebutton : es2015 as esm2015
2021-10-18T07:11:09.8596128Z Compiling primeng/dynamicdialog : es2015 as esm2015
2021-10-18T07:11:10.0463360Z Compiling primeng/scrollpanel : es2015 as esm2015
2021-10-18T07:11:10.1534043Z Compiling primeng/checkbox : es2015 as esm2015
2021-10-18T07:11:10.2419419Z Compiling primeng/fieldset : es2015 as esm2015
2021-10-18T07:11:10.3639284Z Compiling primeng/tabview : es2015 as esm2015
2021-10-18T07:11:10.4895959Z Compiling primeng/card : es2015 as esm2015
2021-10-18T07:11:10.5974920Z Compiling primeng/message : es2015 as esm2015
2021-10-18T07:11:10.6761237Z Compiling primeng/panel : es2015 as esm2015
2021-10-18T07:11:10.7884971Z Compiling primeng/toast : es2015 as esm2015
2021-10-18T07:11:10.9088001Z Compiling primeng/breadcrumb : es2015 as esm2015
2021-10-18T07:11:11.0358348Z Compiling primeng/chips : es2015 as esm2015
2021-10-18T07:11:11.1452532Z Compiling primeng/autocomplete : es2015 as esm2015
2021-10-18T07:11:11.3505060Z Compiling primeng/listbox : es2015 as esm2015
2021-10-18T07:11:11.5009017Z Compiling primeng/contextmenu : es2015 as esm2015
2021-10-18T07:11:11.6799791Z Compiling primeng/overlaypanel : es2015 as esm2015
2021-10-18T07:11:11.7848719Z Compiling primeng/blockui : es2015 as esm2015
2021-10-18T07:11:11.8809566Z Compiling primeng/radiobutton : es2015 as esm2015
2021-10-18T07:11:11.9770544Z Compiling primeng/accordion : es2015 as esm2015
2021-10-18T07:11:12.0896982Z Compiling primeng/carousel : es2015 as esm2015
2021-10-18T07:11:12.2298889Z Compiling primeng/chart : es2015 as esm2015
2021-10-18T07:11:12.3083522Z Compiling primeng/codehighlighter : es2015 as esm2015
2021-10-18T07:11:12.3900088Z Compiling primeng/colorpicker : es2015 as esm2015
2021-10-18T07:11:12.4966108Z Compiling primeng/dataview : es2015 as esm2015
2021-10-18T07:11:12.6496708Z Compiling primeng/messages : es2015 as esm2015
2021-10-18T07:11:12.7555860Z Compiling primeng/progressbar : es2015 as esm2015
2021-10-18T07:11:12.8348249Z Compiling @angular/common/http : es2015 as esm2015
2021-10-18T07:11:13.0564152Z Compiling primeng/fileupload : es2015 as esm2015
2021-10-18T07:11:13.2294359Z Compiling primeng/fullcalendar : es2015 as esm2015
2021-10-18T07:11:13.3711988Z Compiling primeng/galleria : es2015 as esm2015
2021-10-18T07:11:13.5441849Z Compiling primeng/inplace : es2015 as esm2015
2021-10-18T07:11:13.6518567Z Compiling primeng/inputtextarea : es2015 as esm2015
2021-10-18T07:11:13.7407221Z Compiling primeng/lightbox : es2015 as esm2015
2021-10-18T07:11:13.8409945Z Compiling primeng/megamenu : es2015 as esm2015
2021-10-18T07:11:14.0643473Z Compiling primeng/menubar : es2015 as esm2015
2021-10-18T07:11:14.4193041Z Compiling @angular/cdk/keycodes : es2015 as esm2015
2021-10-18T07:11:14.5364275Z Compiling @angular/cdk/observers : es2015 as esm2015
2021-10-18T07:11:14.7596399Z Compiling @angular/cdk/a11y : es2015 as esm2015
2021-10-18T07:11:15.0788643Z Compiling @angular/cdk/drag-drop : es2015 as esm2015
2021-10-18T07:11:15.4209708Z Compiling primeng/orderlist : es2015 as esm2015
2021-10-18T07:11:15.6019381Z Compiling primeng/organizationchart : es2015 as esm2015
2021-10-18T07:11:15.7260393Z Compiling primeng/panelmenu : es2015 as esm2015
2021-10-18T07:11:15.8489067Z Compiling primeng/password : es2015 as esm2015
2021-10-18T07:11:15.9709416Z Compiling primeng/picklist : es2015 as esm2015
2021-10-18T07:11:16.2199516Z Compiling primeng/rating : es2015 as esm2015
2021-10-18T07:11:16.3486395Z Compiling primeng/sidebar : es2015 as esm2015
2021-10-18T07:11:16.4556361Z Compiling primeng/slidemenu : es2015 as esm2015
2021-10-18T07:11:16.5739452Z Compiling primeng/slider : es2015 as esm2015
2021-10-18T07:11:16.6813701Z Compiling primeng/menu : es2015 as esm2015
2021-10-18T07:11:16.8057769Z Compiling primeng/splitbutton : es2015 as esm2015
2021-10-18T07:11:16.9068333Z Compiling primeng/steps : es2015 as esm2015
2021-10-18T07:11:17.0138135Z Compiling primeng/tabmenu : es2015 as esm2015
2021-10-18T07:11:17.1211579Z Compiling primeng/terminal : es2015 as esm2015
2021-10-18T07:11:17.2118578Z Compiling primeng/tieredmenu : es2015 as esm2015
2021-10-18T07:11:17.3440791Z Compiling primeng/toolbar : es2015 as esm2015
2021-10-18T07:11:17.4318713Z Compiling primeng/tree : es2015 as esm2015
2021-10-18T07:11:17.6327928Z Compiling primeng/treetable : es2015 as esm2015
2021-10-18T07:11:17.9180020Z Compiling primeng/virtualscroller : es2015 as esm2015
2021-10-18T07:11:18.0442514Z Compiling primeng/divider : es2015 as esm2015
2021-10-18T07:11:18.1240517Z Compiling primeng/confirmpopup : es2015 as esm2015
2021-10-18T07:11:18.2290092Z Compiling primeng/dragdrop : es2015 as esm2015
2021-10-18T07:11:18.3157801Z Compiling primeng/tag : es2015 as esm2015
2021-10-18T07:11:18.3877937Z Compiling @ngx-pwa/local-storage : es2015 as esm2015
2021-10-18T07:11:18.5722743Z Compiling ngx-window-token : es2015 as esm2015
2021-10-18T07:11:18.6390147Z Compiling ngx-clipboard : es2015 as esm2015
2021-10-18T07:11:18.7471275Z Compiling ngx-trim-directive : es2015 as esm2015
2021-10-18T07:11:18.8277334Z Compiling ngx-csv-parser : es2015 as esm2015
2021-10-18T07:11:18.9167504Z Compiling ngx-store : es2015 as esm2015
2021-10-18T07:11:19.1211895Z Compiling ngx-editor/utils : es2015 as esm2015
2021-10-18T07:11:19.1291909Z Compiling ngx-editor/schema : es2015 as esm2015
2021-10-18T07:11:19.1950421Z Compiling ngx-editor/helpers : es2015 as esm2015
2021-10-18T07:11:19.2351773Z Compiling ngx-editor/commands : es2015 as esm2015
2021-10-18T07:11:19.2879343Z Compiling ngx-editor : es2015 as esm2015
2021-10-18T07:11:19.6444868Z Compiling @kolkov/angular-editor : es2015 as esm2015
2021-10-18T07:11:19.9115416Z Compiling @angular/core/testing : es2015 as esm2015
2021-10-18T07:11:20.2486524Z Compiling @angular/platform-browser-dynamic : es2015 as esm2015
2021-10-18T07:11:20.4467284Z Compiling @angular/platform-browser/testing : es2015 as esm2015
2021-10-18T07:11:20.5348245Z Compiling @angular/compiler/testing : es2015 as esm2015
2021-10-18T07:11:20.6582607Z Compiling @angular/platform-browser-dynamic/testing : es2015 as esm2015
2021-10-18T07:13:09.8937190Z 
2021-10-18T07:13:09.8973541Z <--- Last few GCs --->
2021-10-18T07:13:09.8973960Z 
2021-10-18T07:13:09.8975034Z [1741:0x5bda7d0]   137140 ms: Scavenge (reduce) 2031.1 (2051.0) -> 2030.2 (2052.0) MB, 12.1 / 0.0 ms  (average mu = 0.298, current mu = 0.270) allocation failure 
2021-10-18T07:13:09.8976956Z [1741:0x5bda7d0]   138748 ms: Mark-sweep (reduce) 2031.7 (2051.5) -> 2020.7 (2052.5) MB, 1603.8 / 0.1 ms  (+ 0.0 ms in 19 steps since start of marking, biggest step 0.0 ms, walltime since start of marking 1621 ms) (average mu = 0.268, current mu = 0.235) 
2021-10-18T07:13:09.8977829Z 
2021-10-18T07:13:09.8978439Z <--- JS stacktrace --->
2021-10-18T07:13:09.8978814Z 
2021-10-18T07:13:09.8979851Z FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
2021-10-18T07:13:09.8982200Z  1: 0xa389b0 node::Abort() [ng build --configuration=staging]
2021-10-18T07:13:09.8983580Z  2: 0x96e0af node::FatalError(char const*, char const*) [ng build --configuration=staging]
2021-10-18T07:13:09.8985089Z  3: 0xbb7a4e v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [ng build --configuration=staging]
2021-10-18T07:13:09.8986869Z  4: 0xbb7dc7 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [ng build --configuration=staging]
2021-10-18T07:13:09.8988161Z  5: 0xd73fd5  [ng build --configuration=staging]
2021-10-18T07:13:09.8989038Z  6: 0xd74b5f  [ng build --configuration=staging]
2021-10-18T07:13:09.8990821Z  7: 0xd8299b v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [ng build --configuration=staging]
2021-10-18T07:13:09.8993506Z  8: 0xd8655c v8::internal::Heap::AllocateRawWithRetryOrFailSlowPath(int, v8::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [ng build --configuration=staging]
2021-10-18T07:13:09.8995998Z  9: 0xd54c3b v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationType, v8::internal::AllocationOrigin) [ng build --configuration=staging]
2021-10-18T07:13:09.8998020Z 10: 0x109d21f v8::internal::Runtime_AllocateInYoungGeneration(int, unsigned long*, v8::internal::Isolate*) [ng build --configuration=staging]
2021-10-18T07:13:09.8999647Z 11: 0x1446379  [ng build --configuration=staging]
2021-10-18T07:13:10.1977847Z Aborted (core dumped)
2021-10-18T07:13:10.2002028Z npm ERR! code ELIFECYCLE
2021-10-18T07:13:10.2003663Z npm ERR! errno 134
2021-10-18T07:13:10.2035536Z npm ERR! nextwork@1.5.1 staging: `ng build --configuration=staging`
2021-10-18T07:13:10.2036301Z npm ERR! Exit status 134
2021-10-18T07:13:10.2036804Z npm ERR! 
2021-10-18T07:13:10.2037430Z npm ERR! Failed at the nextwork@1.5.1 staging script.
2021-10-18T07:13:10.2038392Z npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
2021-10-18T07:13:10.2076556Z 
2021-10-18T07:13:10.2077451Z npm ERR! A complete log of this run can be found in:
2021-10-18T07:13:10.2078780Z npm ERR!     /home/runner/.npm/_logs/2021-10-18T07_13_10_203Z-debug.log
2021-10-18T07:13:10.2156707Z ##[error]Process completed with exit code 134.
2021-10-18T07:13:10.2268680Z Post job cleanup.
2021-10-18T07:13:10.3227576Z [command]/usr/bin/git version
2021-10-18T07:13:10.3271654Z git version 2.33.0
2021-10-18T07:13:10.3314615Z [command]/usr/bin/git config --local --name-only --get-regexp core\.sshCommand
2021-10-18T07:13:10.3350418Z [command]/usr/bin/git submodule foreach --recursive git config --local --name-only --get-regexp 'core\.sshCommand' && git config --local --unset-all 'core.sshCommand' || :
2021-10-18T07:13:10.3588433Z [command]/usr/bin/git config --local --name-only --get-regexp http\.https\:\/\/github\.com\/\.extraheader
2021-10-18T07:13:10.3619850Z http.https://github.com/.extraheader
2021-10-18T07:13:10.3629423Z [command]/usr/bin/git config --local --unset-all http.https://github.com/.extraheader
2021-10-18T07:13:10.3698458Z [command]/usr/bin/git submodule foreach --recursive git config --local --name-only --get-regexp 'http\.https\:\/\/github\.com\/\.extraheader' && git config --local --unset-all 'http.https://github.com/.extraheader' || :
2021-10-18T07:13:10.4018279Z Cleaning up orphan processes

🌍 Your Environment

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1202.10
@angular-devkit/build-angular   12.1.1
@angular-devkit/core            12.2.10
@angular-devkit/schematics      12.2.10
@angular/cdk                    12.2.9
@angular/fire                   7.1.0
@angular/flex-layout            10.0.0-beta.32
@schematics/angular             12.2.10
rxjs                            6.6.7
typescript                      4.2.3
webpack                         5.58.2

**Anything else relevant?**
This happens on GCP and GH Actions. Locally the build works fine, even deployment. I need help in profiling the build to identify which packages are slowing things down.

[vella-nicholas]

Hi @vella-nicholas,

@petebacondarwin noticed that between the last NGCC message and the crash almost two hours has elapsed.

2021-10-18T07:11:20.6582607Z Compiling @angular/platform-browser-dynamic/testing : es2015 as esm2015
2021-10-18T07:13:09.8937190Z 
2021-10-18T07:13:09.8973541Z <--- Last few GCs --->

I think for starters what you can do it to try to run the build with verbose logging using the --verbose flag.

What is also interesting is that NGCC is picking up @angular/platform-browser-dynamic/testing as being a dependency of your application. This shouldn’t be the case as this entry-point should only be used for testing purposes and setups.

It is 2 minutes, not 2 hours, the time is 07:11:20.6582607 and the crash is 07:13:09.8973541Z.

As for @angular/platform-browser-dynamic/testing, this one baffles me too, it is only used in a test.ts file required by karma config. The funny thing is this, if I remove any reference to platform-browser-dynamic/testing the build gets stuck in @angular/compiler/testing, if I remove that reference it gets stuck on @angular/platform-browser/testing (so on and so forth). I will retry the build with --verbose on and post it in a different comment.

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