[INFO] cloning repository https://github.com/janosmurai/stm32f407g_disc1_app [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janosmurai/stm32f407g_disc1_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanosmurai%2Fstm32f407g_disc1_app"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanosmurai%2Fstm32f407g_disc1_app'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6c74de3245344bd791ef431ec67393cad63be474 [ERROR] this task or one of its parent failed! [ERROR] command `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.