[INFO] cloning repository https://github.com/wireapp/proteus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wireapp/proteus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwireapp%2Fproteus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwireapp%2Fproteus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccfe91662348b89539e99fac583b03c01f84e5f6
[INFO] checking wireapp/proteus against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwireapp%2Fproteus" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] /workspace/builds/worker-4-tc1/source/.git/refs/tags: No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/wireapp/proteus
[ERROR] caused by: command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.