[INFO] updating cached repository https://github.com/shaipe/china-areas [INFO] running `"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"` [INFO] [stderr] From https://github.com/shaipe/china-areas [INFO] [stderr] 934489a..06a2c15 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 06a2c159acdc10b4ff26304ecc4ab3f708f6e899 [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.