[INFO] cloning repository https://github.com/eeeeeta/devilish-d20 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eeeeeta/devilish-d20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fdevilish-d20", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fdevilish-d20'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8f0b84c4ae976a9627266e799a53c8acedc7e04 [INFO] checking eeeeeta/devilish-d20 against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fdevilish-d20" "/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' ExecutionFailed(ExitStatus(unix_wait_status(32768))) failed to checkout https://github.com/eeeeeta/devilish-d20