[INFO] cloning repository https://github.com/wuyu0107/adpro-module10-webchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wuyu0107/adpro-module10-webchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuyu0107%2Fadpro-module10-webchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuyu0107%2Fadpro-module10-webchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b07aace6e0ff0007ca958c61c95ae2d4fb0466
[INFO] checking wuyu0107/adpro-module10-webchat against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuyu0107%2Fadpro-module10-webchat" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[INFO] [stderr] fatal: unable to update HEAD


failed to checkout https://github.com/wuyu0107/adpro-module10-webchat

Caused by:
    command failed: exit status: 128