[INFO] cloning repository https://github.com/xue2sheng/rust_arm64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xue2sheng/rust_arm64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxue2sheng%2Frust_arm64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxue2sheng%2Frust_arm64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9cdb9ec015b1d2f3e6fcb13972b4d0683083574
[INFO] checking xue2sheng/rust_arm64 against master#9d28fe39763974a96d61232e96ac856735e4cdd6 for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxue2sheng%2Frust_arm64" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device


failed to checkout https://github.com/xue2sheng/rust_arm64

Caused by:
    command failed: exit status: 1