[INFO] cloning repository https://github.com/defcronyke/rust-struct-optional-field [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/defcronyke/rust-struct-optional-field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefcronyke%2Frust-struct-optional-field", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefcronyke%2Frust-struct-optional-field'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e1a9be00ad9c6bb799070db1c948f7463a849d7 [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 1 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.