Dec 04 20:59:22.760 INFO checking chrisf1337/mqtt-broker against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:59:22.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 20:59:23.240 INFO [stdout] 2f2793840140705d9389c6ebd9d5613b054f3700670b6632e960d1ca3cfca77c
Dec 04 20:59:23.243 INFO running `"docker" "start" "-a" "2f2793840140705d9389c6ebd9d5613b054f3700670b6632e960d1ca3cfca77c"`
Dec 04 20:59:24.587 INFO [stderr] usermod: no changes
Dec 04 20:59:24.699 INFO [stderr]    Compiling openssl-sys v0.7.17
Dec 04 20:59:24.699 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Dec 04 20:59:24.699 INFO [stderr]    Compiling openssl v0.7.14
Dec 04 20:59:24.707 INFO [stderr]     Checking mqtt3 v0.1.4
Dec 04 20:59:24.707 INFO [stderr]     Checking uuid v0.5.1
Dec 04 20:59:26.496 INFO [stderr]     Checking libmqtt v0.1.0 (/source/libmqtt)
Dec 04 20:59:30.131 INFO [stderr]     Checking netopt v0.1.3
Dec 04 20:59:30.792 INFO [stderr]     Checking mqttc v0.1.4
Dec 04 20:59:31.680 INFO [stderr]     Checking mqtt-broker v0.1.0 (/source)
Dec 04 20:59:32.698 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Dec 04 20:59:32.698 INFO [stderr]  --> src/main.rs:1:12
Dec 04 20:59:32.698 INFO [stderr]   |
Dec 04 20:59:32.698 INFO [stderr] 1 | #![feature(use_nested_groups)]
Dec 04 20:59:32.698 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.698 INFO [stderr]   |
Dec 04 20:59:32.698 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 20:59:32.698 INFO [stderr] 
Dec 04 20:59:32.698 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.698 INFO [stderr]    --> src/main.rs:338:9
Dec 04 20:59:32.698 INFO [stderr]     |
Dec 04 20:59:32.698 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Dec 04 20:59:32.698 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.698 INFO [stderr]     |
Dec 04 20:59:32.698 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 20:59:32.698 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.698 INFO [stderr] 
Dec 04 20:59:32.698 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.698 INFO [stderr]    --> src/main.rs:339:9
Dec 04 20:59:32.698 INFO [stderr]     |
Dec 04 20:59:32.698 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Dec 04 20:59:32.698 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.698 INFO [stderr]     |
Dec 04 20:59:32.698 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.698 INFO [stderr] 
Dec 04 20:59:32.698 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.698 INFO [stderr]    --> src/main.rs:363:9
Dec 04 20:59:32.698 INFO [stderr]     |
Dec 04 20:59:32.698 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Dec 04 20:59:32.698 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.698 INFO [stderr]     |
Dec 04 20:59:32.698 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.699 INFO [stderr] 
Dec 04 20:59:32.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.699 INFO [stderr]    --> src/main.rs:378:5
Dec 04 20:59:32.699 INFO [stderr]     |
Dec 04 20:59:32.699 INFO [stderr] 378 |     t1.join();
Dec 04 20:59:32.699 INFO [stderr]     |     ^^^^^^^^^^
Dec 04 20:59:32.699 INFO [stderr]     |
Dec 04 20:59:32.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.699 INFO [stderr] 
Dec 04 20:59:32.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.699 INFO [stderr]    --> src/main.rs:379:5
Dec 04 20:59:32.699 INFO [stderr]     |
Dec 04 20:59:32.699 INFO [stderr] 379 |     t2.join();
Dec 04 20:59:32.699 INFO [stderr]     |     ^^^^^^^^^^
Dec 04 20:59:32.699 INFO [stderr]     |
Dec 04 20:59:32.699 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.699 INFO [stderr] 
Dec 04 20:59:32.830 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Dec 04 20:59:32.830 INFO [stderr]  --> src/main.rs:1:12
Dec 04 20:59:32.830 INFO [stderr]   |
Dec 04 20:59:32.830 INFO [stderr] 1 | #![feature(use_nested_groups)]
Dec 04 20:59:32.830 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.830 INFO [stderr]   |
Dec 04 20:59:32.830 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 20:59:32.830 INFO [stderr] 
Dec 04 20:59:32.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.832 INFO [stderr]    --> src/main.rs:338:9
Dec 04 20:59:32.832 INFO [stderr]     |
Dec 04 20:59:32.833 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Dec 04 20:59:32.833 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.833 INFO [stderr]     |
Dec 04 20:59:32.833 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 20:59:32.833 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.833 INFO [stderr] 
Dec 04 20:59:32.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.833 INFO [stderr]    --> src/main.rs:339:9
Dec 04 20:59:32.833 INFO [stderr]     |
Dec 04 20:59:32.833 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Dec 04 20:59:32.833 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.833 INFO [stderr]     |
Dec 04 20:59:32.834 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.834 INFO [stderr] 
Dec 04 20:59:32.834 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.834 INFO [stderr]    --> src/main.rs:363:9
Dec 04 20:59:32.834 INFO [stderr]     |
Dec 04 20:59:32.834 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Dec 04 20:59:32.834 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:59:32.835 INFO [stderr]     |
Dec 04 20:59:32.835 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.835 INFO [stderr] 
Dec 04 20:59:32.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.835 INFO [stderr]    --> src/main.rs:378:5
Dec 04 20:59:32.835 INFO [stderr]     |
Dec 04 20:59:32.835 INFO [stderr] 378 |     t1.join();
Dec 04 20:59:32.835 INFO [stderr]     |     ^^^^^^^^^^
Dec 04 20:59:32.835 INFO [stderr]     |
Dec 04 20:59:32.835 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.835 INFO [stderr] 
Dec 04 20:59:32.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:59:32.835 INFO [stderr]    --> src/main.rs:379:5
Dec 04 20:59:32.836 INFO [stderr]     |
Dec 04 20:59:32.836 INFO [stderr] 379 |     t2.join();
Dec 04 20:59:32.836 INFO [stderr]     |     ^^^^^^^^^^
Dec 04 20:59:32.837 INFO [stderr]     |
Dec 04 20:59:32.837 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:59:32.837 INFO [stderr] 
Dec 04 20:59:32.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.25s
Dec 04 20:59:32.856 INFO [stderr] su: No module specific data is present
Dec 04 20:59:33.427 INFO running `"docker" "inspect" "2f2793840140705d9389c6ebd9d5613b054f3700670b6632e960d1ca3cfca77c"`
Dec 04 20:59:33.592 INFO running `"docker" "rm" "-f" "2f2793840140705d9389c6ebd9d5613b054f3700670b6632e960d1ca3cfca77c"`
Dec 04 20:59:33.763 INFO [stdout] 2f2793840140705d9389c6ebd9d5613b054f3700670b6632e960d1ca3cfca77c