[INFO] cloning repository https://github.com/cohama/deeplearning [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cohama/deeplearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fdeeplearning"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fdeeplearning'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aaa30d5acc457afb13ad9bf0dbc031ce568fa428 [ERROR] this task or one of its parent failed! [ERROR] command `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.