[INFO] cloning repository https://github.com/juliuskreutz/hsr-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliuskreutz/hsr-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuskreutz%2Fhsr-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuskreutz%2Fhsr-sim'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuskreutz%2Fhsr-sim: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/juliuskreutz/hsr-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliuskreutz/hsr-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuskreutz%2Fhsr-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuskreutz%2Fhsr-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a31a0e6b4e377250c2e18bf376b003e8a3960112
[INFO] checking juliuskreutz/hsr-sim against master#a9e7b30487235621751cc628f170c0f15fb215c4 for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuskreutz%2Fhsr-sim" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update ref 'refs/heads/master': couldn't write '/workspace/builds/worker-1-tc1/source/.git/refs/heads/master.lock'


failed to checkout https://github.com/juliuskreutz/hsr-sim

Caused by:
    command failed: exit status: 128