[INFO] cloning repository https://github.com/mdibaiee/rust-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdibaiee/rust-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdibaiee%2Frust-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdibaiee%2Frust-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f539e4c8f1cfccf840c145d856bee997d3f26ac7
[INFO] testing mdibaiee/rust-shell against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdibaiee%2Frust-shell" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdibaiee/rust-shell on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mdibaiee/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4414e9cc07f46176d8be8fef0ad457208899e8c1ed0b195e317cf40d40f18c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4414e9cc07f46176d8be8fef0ad457208899e8c1ed0b195e317cf40d40f18c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4414e9cc07f46176d8be8fef0ad457208899e8c1ed0b195e317cf40d40f18c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4414e9cc07f46176d8be8fef0ad457208899e8c1ed0b195e317cf40d40f18c7", kill_on_drop: false }`
[INFO] [stdout] c4414e9cc07f46176d8be8fef0ad457208899e8c1ed0b195e317cf40d40f18c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd0e4a63fda49c801e7a92211434a9c013d8f71fa692480c269f26fd6c6337ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd0e4a63fda49c801e7a92211434a9c013d8f71fa692480c269f26fd6c6337ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed for `(Vec<String>, Vec<String>)`
[INFO] [stdout]   --> src/commands/echo.rs:23:51
[INFO] [stdout]    |
[INFO] [stdout] 5  |     let (options, mut params) = parse(args);
[INFO] [stdout]    |         --------------------- consider giving this pattern the explicit type `(Vec<String>, Vec<String>)`, where the type parameter `String` is specified
[INFO] [stdout] ...
[INFO] [stdout] 23 |     let message: String = params.iter().map(|x| x.as_ref()).collect();
[INFO] [stdout]    |                                                   ^^^^^^ cannot infer type for struct `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-shell`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "bd0e4a63fda49c801e7a92211434a9c013d8f71fa692480c269f26fd6c6337ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0e4a63fda49c801e7a92211434a9c013d8f71fa692480c269f26fd6c6337ae", kill_on_drop: false }`
[INFO] [stdout] bd0e4a63fda49c801e7a92211434a9c013d8f71fa692480c269f26fd6c6337ae
