[INFO] cloning repository https://github.com/hallettj/rust_graphql_server_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hallettj/rust_graphql_server_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhallettj%2Frust_graphql_server_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhallettj%2Frust_graphql_server_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5427366835825be320613cb73876570f84825ed
[INFO] checking hallettj/rust_graphql_server_demo against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhallettj%2Frust_graphql_server_demo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'HEAD': unable to append to '/workspace/builds/worker-0-tc1/source/.git/logs/HEAD': No space left on device


failed to checkout https://github.com/hallettj/rust_graphql_server_demo

Caused by:
    command failed: exit status: 128