[INFO] cloning repository https://github.com/obah/rust_lesson_1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obah/rust_lesson_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobah%2Frust_lesson_1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobah%2Frust_lesson_1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ff5136aea2dcd80894c3f0b0f67923ff6b585c
[INFO] checking obah/rust_lesson_1 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobah%2Frust_lesson_1" "/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 the ref 'refs/heads/master': unable to append to '/workspace/builds/worker-1-tc1/source/.git/logs/refs/heads/master': No space left on device


failed to checkout https://github.com/obah/rust_lesson_1

Caused by:
    command failed: exit status: 128