[INFO] cloning repository https://github.com/andrewwebber/example-knative-websockets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewwebber/example-knative-websockets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fexample-knative-websockets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fexample-knative-websockets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a63c2a2ee178921b1f4b73ec9f4256084c88f808
[INFO] checking andrewwebber/example-knative-websockets against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fexample-knative-websockets" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/andrewwebber/example-knative-websockets
[ERROR] caused by: command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.