2026-01-07T21:31:17.9869618Z ##[section]Starting: Checkout dotnet/aspnetcore@refs/pull/64969/merge to s
2026-01-07T21:31:17.9962365Z ==============================================================================
2026-01-07T21:31:17.9962874Z Task         : Get sources
2026-01-07T21:31:17.9963104Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-01-07T21:31:17.9963226Z Version      : 1.0.0
2026-01-07T21:31:17.9963412Z Author       : Microsoft
2026-01-07T21:31:17.9963674Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-01-07T21:31:17.9963781Z ==============================================================================
2026-01-07T21:31:18.4218638Z Syncing repository: dotnet/aspnetcore (GitHub)
2026-01-07T21:31:18.4226153Z Prepending Path environment variable with directory containing 'git.exe'.
2026-01-07T21:31:18.4233800Z ##[command]git version
2026-01-07T21:31:18.7886802Z git version 2.50.1.windows.1
2026-01-07T21:31:18.7900283Z ##[command]git lfs version
2026-01-07T21:31:18.9882382Z git-lfs/3.4.0 (GitHub; windows amd64; go 1.20.6; git d06d6e9e)
2026-01-07T21:31:18.9885272Z ##[command]git init "D:\a\_work\1\s"
2026-01-07T21:31:19.3069963Z Initialized empty Git repository in D:/a/_work/1/s/.git/
2026-01-07T21:31:19.3073820Z ##[command]git remote add origin https://github.com/dotnet/aspnetcore
2026-01-07T21:31:19.3203542Z ##[command]git sparse-checkout disable
2026-01-07T21:31:19.4615909Z ##[command]git config gc.auto 0
2026-01-07T21:31:19.4760611Z ##[command]git config core.longpaths true
2026-01-07T21:31:19.5131597Z ##[command]git config --get-all http.https://github.com/dotnet/aspnetcore.extraheader
2026-01-07T21:31:19.5481992Z ##[command]git config --get-all http.extraheader
2026-01-07T21:31:19.6142439Z ##[command]git config --get-regexp .*extraheader
2026-01-07T21:31:19.6661378Z ##[command]git config --get-all http.proxy
2026-01-07T21:31:19.7165807Z ##[command]git config http.version HTTP/1.1
2026-01-07T21:31:19.7772898Z ##[command]git config --get-all remote.origin.promisor
2026-01-07T21:31:19.8246325Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-01-07T21:31:19.8742124Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --no-tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/64969/merge:refs/remotes/pull/64969/merge
2026-01-07T21:31:20.6856712Z fatal: couldn't find remote ref refs/pull/64969/merge
2026-01-07T21:31:20.7482016Z ##[warning]Git fetch failed with exit code 128, back off 5.991 seconds before retry.
2026-01-07T21:31:26.6881265Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --no-tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/64969/merge:refs/remotes/pull/64969/merge
2026-01-07T21:31:27.1083588Z fatal: couldn't find remote ref refs/pull/64969/merge
2026-01-07T21:31:27.1372678Z ##[warning]Git fetch failed with exit code 128, back off 8.819 seconds before retry.
2026-01-07T21:31:35.9452641Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --no-tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/64969/merge:refs/remotes/pull/64969/merge
2026-01-07T21:31:36.3580475Z fatal: couldn't find remote ref refs/pull/64969/merge
2026-01-07T21:31:36.3939182Z ##[error]Git fetch failed with exit code: 128
2026-01-07T21:31:36.4463205Z ##[section]Finishing: Checkout dotnet/aspnetcore@refs/pull/64969/merge to s