[INFO] cloning repository https://github.com/emk/heroku-rust-cargo-hello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emk/heroku-rust-cargo-hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fheroku-rust-cargo-hello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fheroku-rust-cargo-hello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e17e980a3fe939e677388f9fca5b3a6053d4fa4d
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.