[INFO] fetching crate ConsoleEngine 0.0.7...
[INFO] testing ConsoleEngine-0.0.7 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ConsoleEngine 0.0.7 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate ConsoleEngine 0.0.7 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ConsoleEngine 0.0.7
[INFO] finished tweaking crates.io crate ConsoleEngine 0.0.7
[INFO] tweaked toml for crates.io crate ConsoleEngine 0.0.7 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8c2b5d33645f1dfc0067c05de85cd2bff914cf72bdd695db2a43fdd49a66bf2
[INFO] running `Command { std: "docker" "start" "-a" "c8c2b5d33645f1dfc0067c05de85cd2bff914cf72bdd695db2a43fdd49a66bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c2b5d33645f1dfc0067c05de85cd2bff914cf72bdd695db2a43fdd49a66bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c2b5d33645f1dfc0067c05de85cd2bff914cf72bdd695db2a43fdd49a66bf2", kill_on_drop: false }`
[INFO] [stdout] c8c2b5d33645f1dfc0067c05de85cd2bff914cf72bdd695db2a43fdd49a66bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f49e664702287e356bc6d903ccdd96d85c5b6a70f11f7dae87f40181fce8a3e
[INFO] running `Command { std: "docker" "start" "-a" "7f49e664702287e356bc6d903ccdd96d85c5b6a70f11f7dae87f40181fce8a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ConsoleEngine v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `console_engine::f_print::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use console_engine::f_print::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Sandbox` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sandbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "7f49e664702287e356bc6d903ccdd96d85c5b6a70f11f7dae87f40181fce8a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f49e664702287e356bc6d903ccdd96d85c5b6a70f11f7dae87f40181fce8a3e", kill_on_drop: false }`
[INFO] [stdout] 7f49e664702287e356bc6d903ccdd96d85c5b6a70f11f7dae87f40181fce8a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c802dee1feaf094bea5ee93bb0819bd2775536be6a94c31b568b8b84a94acde9
[INFO] running `Command { std: "docker" "start" "-a" "c802dee1feaf094bea5ee93bb0819bd2775536be6a94c31b568b8b84a94acde9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ConsoleEngine v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `console_engine::f_print::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use console_engine::f_print::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Sandbox` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `sandbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "c802dee1feaf094bea5ee93bb0819bd2775536be6a94c31b568b8b84a94acde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c802dee1feaf094bea5ee93bb0819bd2775536be6a94c31b568b8b84a94acde9", kill_on_drop: false }`
[INFO] [stdout] c802dee1feaf094bea5ee93bb0819bd2775536be6a94c31b568b8b84a94acde9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92cefc48a7fb42e5bf4419db63e3364a0f61138c439611e7a5d7be3f5f2ff09d
[INFO] running `Command { std: "docker" "start" "-a" "92cefc48a7fb42e5bf4419db63e3364a0f61138c439611e7a5d7be3f5f2ff09d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `console_engine::f_print::*`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use console_engine::f_print::*;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: crate `Sandbox` should have a snake case name
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sandbox`
[INFO] [stderr] 
[INFO] [stderr] warning: `ConsoleEngine` (bin "Sandbox" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/console_engine-65f840c5fd00bdc8)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Sandbox-03e4388ae34e423c)
[INFO] [stderr]    Doc-tests console_engine
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92cefc48a7fb42e5bf4419db63e3364a0f61138c439611e7a5d7be3f5f2ff09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cefc48a7fb42e5bf4419db63e3364a0f61138c439611e7a5d7be3f5f2ff09d", kill_on_drop: false }`
[INFO] [stdout] 92cefc48a7fb42e5bf4419db63e3364a0f61138c439611e7a5d7be3f5f2ff09d