[INFO] cloning repository https://github.com/0x8b/Advent-of-Code-2015
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x8b/Advent-of-Code-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x8b%2FAdvent-of-Code-2015"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x8b%2FAdvent-of-Code-2015'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a3c9cb0fb7e1628d88bacd080b27a07febaa97d
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.