[INFO] cloning repository https://github.com/mao-chang-jing-yan/rust1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mao-chang-jing-yan/rust1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmao-chang-jing-yan%2Frust1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmao-chang-jing-yan%2Frust1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb0a4d280799156e99ff7af1e2336b2048e7a2e5
[INFO] checking mao-chang-jing-yan/rust1 against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmao-chang-jing-yan%2Frust1" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-6-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmao-chang-jing-yan%2Frust1'


failed to checkout https://github.com/mao-chang-jing-yan/rust1

Caused by:
    command failed: exit status: 128