[INFO] updating cached repository https://github.com/mdibaiee/rust-shell
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f539e4c8f1cfccf840c145d856bee997d3f26ac7
[INFO] testing mdibaiee/rust-shell against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdibaiee%2Frust-shell" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdibaiee/rust-shell on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mdibaiee/rust-shell
[INFO] finished tweaking git repo https://github.com/mdibaiee/rust-shell
[INFO] tweaked toml for git repo https://github.com/mdibaiee/rust-shell written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mdibaiee/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7f6714e35cbc6f548d05e2eafc3462cd0f52a038f3680bc0fa699728e83ac13
[INFO] running `"docker" "start" "-a" "d7f6714e35cbc6f548d05e2eafc3462cd0f52a038f3680bc0fa699728e83ac13"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0283]: type annotations needed for `&std::string::String`
[INFO] [stderr]   --> src/commands/echo.rs:12:47
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let break_option = options_iter.position(|x| *x == "break".to_string());
[INFO] [stderr]    |                                               ^ consider giving this closure parameter the explicit type `&std::string::String`, where the type parameter `std::string::String` is specified
[INFO] [stderr]    |
[INFO] [stderr]    = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `rust-shell`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7f6714e35cbc6f548d05e2eafc3462cd0f52a038f3680bc0fa699728e83ac13"`
[INFO] running `"docker" "rm" "-f" "d7f6714e35cbc6f548d05e2eafc3462cd0f52a038f3680bc0fa699728e83ac13"`
[INFO] [stdout] d7f6714e35cbc6f548d05e2eafc3462cd0f52a038f3680bc0fa699728e83ac13