[INFO] updating cached repository https://github.com/RustPython/RustPython
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/RustPython/RustPython
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/wasm-_thread
[INFO] [stderr]  * [new branch]        coolreader18/anicode -> coolreader18/anicode
[INFO] [stderr]  * [new branch]        coolreader18/no-unimplemented-os -> coolreader18/no-unimplemented-os
[INFO] [stderr]    caf419a0..7d75c4ea  master               -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d75c4eaa67adc1f297c76ad6e7285f8f9ab757f
[ERROR] this task or one of its parent failed!
[ERROR] command `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.