runtime: Failed to Install microsoft.dotnet.xharness.cli on Ubuntu.1804.Amd64.Open

2021-02-04T23:33:27.6778889Z   Using Timeout: 00:30:00
2021-02-04T23:33:27.7099543Z   Done building Helix work items for scenario wasmtestonbrowser. Work item count: 214
2021-02-04T23:33:32.6833318Z   You can invoke the tool using the following command: xharness
2021-02-04T23:33:32.6834851Z   Tool 'microsoft.dotnet.xharness.cli' (version '1.0.0-prerelease.21103.1') was successfully installed.
2021-02-04T23:33:33.1576352Z   Sending Job to Ubuntu.1804.Amd64.Open...
2021-02-04T23:33:34.0405009Z   Tool 'microsoft.dotnet.xharness.cli' (version '1.0.0-prerelease.21103.1') is already installed.
2021-02-04T23:33:34.0406291Z   Tool 'microsoft.dotnet.xharness.cli' failed to install. This failure may have been caused by:
2021-02-04T23:33:34.0406944Z   
2021-02-04T23:33:34.0407664Z   * You are attempting to install a preview release and did not use the --version option to specify the version.
2021-02-04T23:33:34.0408283Z   * A package by this name was found, but it was not a .NET tool.
2021-02-04T23:33:34.0408865Z   * The required NuGet feed cannot be accessed, perhaps because of an Internet connection problem.
2021-02-04T23:33:34.0409386Z   * You mistyped the name of the tool.
2021-02-04T23:33:34.0409752Z   
2021-02-04T23:33:34.0410455Z   For more reasons, including package naming enforcement, visit https://aka.ms/failure-installing-tool
2021-02-04T23:33:34.1189953Z   Sending Job to Ubuntu.1804.Amd64.Open...

log https://dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_apis/build/builds/979753/logs/1920 build https://dev.azure.com/dnceng/public/_build/results?buildId=979753&view=results

This has failed a couple of times now

cc @dotnet/runtime-infrastructure @dotnet/dnceng