2026-02-13T02:25:52.2140880Z ##[section]Starting: Checkout dotnet/sdk@refs/pull/53021/merge to s
2026-02-13T02:25:52.2430120Z ==============================================================================
2026-02-13T02:25:52.2431790Z Task         : Get sources
2026-02-13T02:25:52.2432420Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-02-13T02:25:52.2432820Z Version      : 1.0.0
2026-02-13T02:25:52.2433340Z Author       : Microsoft
2026-02-13T02:25:52.2434340Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-02-13T02:25:52.2434790Z ==============================================================================
2026-02-13T02:25:53.7673060Z Syncing repository: dotnet/sdk (GitHub)
2026-02-13T02:25:53.7741740Z ##[command]git version
2026-02-13T02:25:53.7816750Z git version 2.52.0
2026-02-13T02:25:53.7822530Z ##[command]git lfs version
2026-02-13T02:25:54.1822190Z git-lfs/3.7.1 (GitHub; darwin amd64; go 1.25.3)
2026-02-13T02:25:54.2687560Z ##[command]git init "/Users/runner/work/1/s"
2026-02-13T02:25:54.3761960Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-02-13T02:25:54.3767490Z Initialized empty Git repository in /Users/runner/work/1/s/.git/
2026-02-13T02:25:54.3774050Z hint: will change to "main" in Git 3.0. To configure the initial branch name
2026-02-13T02:25:54.3778550Z hint: to use in all of your new repositories, which will suppress this warning,
2026-02-13T02:25:54.3781650Z hint: call:
2026-02-13T02:25:54.3784940Z hint:
2026-02-13T02:25:54.3788670Z hint: 	git config --global init.defaultBranch <name>
2026-02-13T02:25:54.3792570Z hint:
2026-02-13T02:25:54.3796400Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-02-13T02:25:54.3799590Z hint: 'development'. The just-created branch can be renamed via this command:
2026-02-13T02:25:54.3802820Z hint:
2026-02-13T02:25:54.3806620Z hint: 	git branch -m <name>
2026-02-13T02:25:54.3809630Z hint:
2026-02-13T02:25:54.3812850Z hint: Disable this message with "git config set advice.defaultBranchName false"
2026-02-13T02:25:54.3831480Z ##[command]git remote add origin https://github.com/dotnet/sdk
2026-02-13T02:25:54.4376780Z ##[command]git sparse-checkout disable
2026-02-13T02:25:54.5308150Z ##[command]git config gc.auto 0
2026-02-13T02:25:54.5555180Z ##[command]git config core.longpaths true
2026-02-13T02:25:54.5568200Z ##[command]git config --get-all http.https://github.com/dotnet/sdk.extraheader
2026-02-13T02:25:54.5586230Z ##[command]git config --get-all http.extraheader
2026-02-13T02:25:54.5601520Z ##[command]git config --get-regexp .*extraheader
2026-02-13T02:25:54.5617150Z ##[command]git config --get-all http.proxy
2026-02-13T02:25:54.5632490Z ##[command]git config http.version HTTP/1.1
2026-02-13T02:25:54.5654630Z ##[command]git config --get-all remote.origin.promisor
2026-02-13T02:25:54.5670260Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-02-13T02:25:54.5691050Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/53021/merge:refs/remotes/pull/53021/merge
2026-02-13T02:25:54.8145390Z fatal: couldn't find remote ref refs/pull/53021/merge
2026-02-13T02:25:54.9210650Z ##[warning]Git fetch failed with exit code 128, back off 4.692 seconds before retry.
2026-02-13T02:25:59.5632850Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/53021/merge:refs/remotes/pull/53021/merge
2026-02-13T02:25:59.9530750Z fatal: couldn't find remote ref refs/pull/53021/merge
2026-02-13T02:26:00.0699560Z ##[warning]Git fetch failed with exit code 128, back off 1.651 seconds before retry.
2026-02-13T02:26:01.6102000Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/53021/merge:refs/remotes/pull/53021/merge
2026-02-13T02:26:02.0072660Z fatal: couldn't find remote ref refs/pull/53021/merge
2026-02-13T02:26:02.0710630Z ##[error]Git fetch failed with exit code: 128
2026-02-13T02:26:02.0825120Z ##[section]Finishing: Checkout dotnet/sdk@refs/pull/53021/merge to s