[INFO] cloning repository https://github.com/robertluowen/rust_cli_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertluowen/rust_cli_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertluowen%2Frust_cli_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertluowen%2Frust_cli_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1a2ca39829aacb72af4161ee67506b94fa01fad
[INFO] checking robertluowen/rust_cli_test against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertluowen%2Frust_cli_test" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device


failed to checkout https://github.com/robertluowen/rust_cli_test

Caused by:
    command failed: exit status: 1