[INFO] cloning repository https://github.com/sandeshbhusal/JSONParser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sandeshbhusal/JSONParser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandeshbhusal%2FJSONParser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandeshbhusal%2FJSONParser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c40480fcfdf944295072c426ad1b5ad85c006c16 [INFO] checking sandeshbhusal/JSONParser against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandeshbhusal%2FJSONParser" "/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 'refs/heads/master': unable to create directory for '/workspace/builds/worker-0-tc1/source/.git/logs/refs/heads/master': No such file or directory failed to checkout https://github.com/sandeshbhusal/JSONParser Caused by: command failed: exit status: 128