2026-01-07T20:26:26.4806859Z ##[section]Starting: Checkout dotnet/aspnetcore@refs/pull/64969/merge to s
2026-01-07T20:26:26.4901709Z ==============================================================================
2026-01-07T20:26:26.4902258Z Task         : Get sources
2026-01-07T20:26:26.4902480Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-01-07T20:26:26.4902611Z Version      : 1.0.0
2026-01-07T20:26:26.4902793Z Author       : Microsoft
2026-01-07T20:26:26.4903072Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-01-07T20:26:26.4903174Z ==============================================================================
2026-01-07T20:26:26.9175615Z Syncing repository: dotnet/aspnetcore (GitHub)
2026-01-07T20:26:26.9183710Z Prepending Path environment variable with directory containing 'git.exe'.
2026-01-07T20:26:26.9190845Z ##[command]git version
2026-01-07T20:26:27.3091223Z git version 2.50.1.windows.1
2026-01-07T20:26:27.3120042Z ##[command]git lfs version
2026-01-07T20:26:27.4863729Z git-lfs/3.4.0 (GitHub; windows amd64; go 1.20.6; git d06d6e9e)
2026-01-07T20:26:27.5014369Z ##[command]git init "D:\a\_work\1\s"
2026-01-07T20:26:27.7795717Z Initialized empty Git repository in D:/a/_work/1/s/.git/
2026-01-07T20:26:27.7836441Z ##[command]git remote add origin https://github.com/dotnet/aspnetcore
2026-01-07T20:26:27.8386294Z ##[command]git sparse-checkout disable
2026-01-07T20:26:27.9115911Z ##[command]git config gc.auto 0
2026-01-07T20:26:27.9672707Z ##[command]git config core.longpaths true
2026-01-07T20:26:28.0003582Z ##[command]git config --get-all http.https://github.com/dotnet/aspnetcore.extraheader
2026-01-07T20:26:28.0449342Z ##[command]git config --get-all http.extraheader
2026-01-07T20:26:28.0997928Z ##[command]git config --get-regexp .*extraheader
2026-01-07T20:26:28.1504472Z ##[command]git config --get-all http.proxy
2026-01-07T20:26:28.2002577Z ##[command]git config http.version HTTP/1.1
2026-01-07T20:26:28.2517082Z ##[command]git config --get-all remote.origin.promisor
2026-01-07T20:26:28.2992439Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-01-07T20:26:28.3518488Z ##[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
2026-01-07T20:26:29.1076659Z fatal: couldn't find remote ref refs/pull/64969/merge
2026-01-07T20:26:29.1764363Z ##[warning]Git fetch failed with exit code 128, back off 2.566 seconds before retry.
2026-01-07T20:26:31.6811719Z ##[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
2026-01-07T20:26:32.0966877Z fatal: couldn't find remote ref refs/pull/64969/merge
2026-01-07T20:26:32.1251100Z ##[warning]Git fetch failed with exit code 128, back off 6.825 seconds before retry.
2026-01-07T20:26:38.9270243Z ##[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
2026-01-07T20:26:39.3760492Z fatal: couldn't find remote ref refs/pull/64969/merge
2026-01-07T20:26:39.3996404Z ##[error]Git fetch failed with exit code: 128
2026-01-07T20:26:39.4623684Z ##[section]Finishing: Checkout dotnet/aspnetcore@refs/pull/64969/merge to s