Dec 12 18:09:12.573 INFO checking amqp-0.1.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 18:09:12.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 18:09:13.016 INFO [stdout] 344004a9240b829497868735dcb63e595dbaaeeb8d480ad948bb2d2052bcf147
Dec 12 18:09:13.018 INFO running `"docker" "start" "-a" "344004a9240b829497868735dcb63e595dbaaeeb8d480ad948bb2d2052bcf147"`
Dec 12 18:09:13.983 INFO [stderr] usermod: no changes
Dec 12 18:09:14.200 INFO [stderr]     Checking amq-proto v0.1.0
Dec 12 18:09:16.791 INFO [stderr]     Checking amqp v0.1.2 (/source)
Dec 12 18:09:31.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:09:31.432 INFO [stderr]   --> examples/producer.rs:49:5
Dec 12 18:09:31.432 INFO [stderr]    |
Dec 12 18:09:31.432 INFO [stderr] 49 |     channel.close(200, "Bye");
Dec 12 18:09:31.432 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 18:09:31.432 INFO [stderr]    |
Dec 12 18:09:31.432 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 18:09:31.432 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:09:31.432 INFO [stderr] 
Dec 12 18:09:33.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:09:33.868 INFO [stderr]   --> examples/simple.rs:16:5
Dec 12 18:09:33.868 INFO [stderr]    |
Dec 12 18:09:33.868 INFO [stderr] 16 |     channel.basic_ack(deliver.delivery_tag, false);
Dec 12 18:09:33.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 18:09:33.868 INFO [stderr]    |
Dec 12 18:09:33.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 18:09:33.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:09:33.868 INFO [stderr] 
Dec 12 18:09:33.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:09:33.869 INFO [stderr]   --> examples/simple.rs:53:5
Dec 12 18:09:33.869 INFO [stderr]    |
Dec 12 18:09:33.869 INFO [stderr] 53 | /     channel.basic_publish("", queue_name, true, false,
Dec 12 18:09:33.869 INFO [stderr] 54 | |         protocol::basic::BasicProperties{ content_type: Some("text".to_string()), ..Default::default()},
Dec 12 18:09:33.869 INFO [stderr] 55 | |         (b"Hello from rust!").to_vec());
Dec 12 18:09:33.869 INFO [stderr]    | |________________________________________^
Dec 12 18:09:33.869 INFO [stderr]    |
Dec 12 18:09:33.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:09:33.869 INFO [stderr] 
Dec 12 18:09:33.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:09:33.869 INFO [stderr]   --> examples/simple.rs:56:5
Dec 12 18:09:33.869 INFO [stderr]    |
Dec 12 18:09:33.869 INFO [stderr] 56 |     channel.close(200, "Bye");
Dec 12 18:09:33.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 18:09:33.869 INFO [stderr]    |
Dec 12 18:09:33.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:09:33.869 INFO [stderr] 
Dec 12 18:09:34.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:09:34.272 INFO [stderr]   --> examples/interactive.rs:37:5
Dec 12 18:09:34.272 INFO [stderr]    |
Dec 12 18:09:34.272 INFO [stderr] 37 |     channel.close(200, "Bye");
Dec 12 18:09:34.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 18:09:34.272 INFO [stderr]    |
Dec 12 18:09:34.272 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 18:09:34.272 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:09:34.272 INFO [stderr] 
Dec 12 18:09:34.301 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.27s
Dec 12 18:09:34.313 INFO [stderr] su: No module specific data is present
Dec 12 18:09:35.538 INFO running `"docker" "inspect" "344004a9240b829497868735dcb63e595dbaaeeb8d480ad948bb2d2052bcf147"`
Dec 12 18:09:35.916 INFO running `"docker" "rm" "-f" "344004a9240b829497868735dcb63e595dbaaeeb8d480ad948bb2d2052bcf147"`
Dec 12 18:09:36.240 INFO [stdout] 344004a9240b829497868735dcb63e595dbaaeeb8d480ad948bb2d2052bcf147