Nov 28 07:47:59.541 INFO checking chrisf1337/mqtt-broker against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 07:47:59.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 07:48:00.001 INFO [stdout] a24e5ab473ee05d8432adee404e8678b14c8c9f9c92d853872994ad2cfd912bc
Nov 28 07:48:00.003 INFO running `"docker" "start" "-a" "a24e5ab473ee05d8432adee404e8678b14c8c9f9c92d853872994ad2cfd912bc"`
Nov 28 07:48:01.457 INFO [stderr] usermod: no changes
Nov 28 07:48:01.552 INFO [stderr]    Compiling openssl-sys v0.7.17
Nov 28 07:48:01.552 INFO [stderr]    Compiling openssl v0.7.14
Nov 28 07:48:01.552 INFO [stderr]     Checking mqtt3 v0.1.4
Nov 28 07:48:01.575 INFO [stderr]     Checking uuid v0.5.1
Nov 28 07:48:03.137 INFO [stderr]     Checking libmqtt v0.1.0 (/source/libmqtt)
Nov 28 07:48:03.732 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Nov 28 07:48:06.849 INFO [stderr]     Checking netopt v0.1.3
Nov 28 07:48:07.526 INFO [stderr]     Checking mqttc v0.1.4
Nov 28 07:48:08.510 INFO [stderr]     Checking mqtt-broker v0.1.0 (/source)
Nov 28 07:48:10.072 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Nov 28 07:48:10.072 INFO [stderr]  --> src/main.rs:1:12
Nov 28 07:48:10.072 INFO [stderr]   |
Nov 28 07:48:10.073 INFO [stderr] 1 | #![feature(use_nested_groups)]
Nov 28 07:48:10.073 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.073 INFO [stderr]   |
Nov 28 07:48:10.074 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 07:48:10.074 INFO [stderr] 
Nov 28 07:48:10.074 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.075 INFO [stderr]    --> src/main.rs:338:9
Nov 28 07:48:10.075 INFO [stderr]     |
Nov 28 07:48:10.076 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Nov 28 07:48:10.076 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.077 INFO [stderr]     |
Nov 28 07:48:10.077 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 07:48:10.077 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.077 INFO [stderr] 
Nov 28 07:48:10.078 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.078 INFO [stderr]    --> src/main.rs:339:9
Nov 28 07:48:10.079 INFO [stderr]     |
Nov 28 07:48:10.079 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Nov 28 07:48:10.080 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.080 INFO [stderr]     |
Nov 28 07:48:10.080 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.081 INFO [stderr] 
Nov 28 07:48:10.081 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.082 INFO [stderr]    --> src/main.rs:363:9
Nov 28 07:48:10.082 INFO [stderr]     |
Nov 28 07:48:10.083 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Nov 28 07:48:10.083 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.084 INFO [stderr]     |
Nov 28 07:48:10.085 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.085 INFO [stderr] 
Nov 28 07:48:10.086 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.086 INFO [stderr]    --> src/main.rs:378:5
Nov 28 07:48:10.087 INFO [stderr]     |
Nov 28 07:48:10.087 INFO [stderr] 378 |     t1.join();
Nov 28 07:48:10.087 INFO [stderr]     |     ^^^^^^^^^^
Nov 28 07:48:10.088 INFO [stderr]     |
Nov 28 07:48:10.088 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.088 INFO [stderr] 
Nov 28 07:48:10.092 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.093 INFO [stderr]    --> src/main.rs:379:5
Nov 28 07:48:10.093 INFO [stderr]     |
Nov 28 07:48:10.094 INFO [stderr] 379 |     t2.join();
Nov 28 07:48:10.094 INFO [stderr]     |     ^^^^^^^^^^
Nov 28 07:48:10.094 INFO [stderr]     |
Nov 28 07:48:10.095 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.095 INFO [stderr] 
Nov 28 07:48:10.244 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Nov 28 07:48:10.244 INFO [stderr]  --> src/main.rs:1:12
Nov 28 07:48:10.244 INFO [stderr]   |
Nov 28 07:48:10.244 INFO [stderr] 1 | #![feature(use_nested_groups)]
Nov 28 07:48:10.244 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.244 INFO [stderr]   |
Nov 28 07:48:10.244 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 07:48:10.244 INFO [stderr] 
Nov 28 07:48:10.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.248 INFO [stderr]    --> src/main.rs:338:9
Nov 28 07:48:10.248 INFO [stderr]     |
Nov 28 07:48:10.248 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Nov 28 07:48:10.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.248 INFO [stderr]     |
Nov 28 07:48:10.248 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 07:48:10.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.248 INFO [stderr] 
Nov 28 07:48:10.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.248 INFO [stderr]    --> src/main.rs:339:9
Nov 28 07:48:10.248 INFO [stderr]     |
Nov 28 07:48:10.248 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Nov 28 07:48:10.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.248 INFO [stderr]     |
Nov 28 07:48:10.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.248 INFO [stderr] 
Nov 28 07:48:10.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.249 INFO [stderr]    --> src/main.rs:363:9
Nov 28 07:48:10.249 INFO [stderr]     |
Nov 28 07:48:10.249 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Nov 28 07:48:10.249 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:48:10.249 INFO [stderr]     |
Nov 28 07:48:10.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.249 INFO [stderr] 
Nov 28 07:48:10.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.249 INFO [stderr]    --> src/main.rs:378:5
Nov 28 07:48:10.249 INFO [stderr]     |
Nov 28 07:48:10.249 INFO [stderr] 378 |     t1.join();
Nov 28 07:48:10.249 INFO [stderr]     |     ^^^^^^^^^^
Nov 28 07:48:10.249 INFO [stderr]     |
Nov 28 07:48:10.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.249 INFO [stderr] 
Nov 28 07:48:10.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:48:10.249 INFO [stderr]    --> src/main.rs:379:5
Nov 28 07:48:10.249 INFO [stderr]     |
Nov 28 07:48:10.249 INFO [stderr] 379 |     t2.join();
Nov 28 07:48:10.249 INFO [stderr]     |     ^^^^^^^^^^
Nov 28 07:48:10.249 INFO [stderr]     |
Nov 28 07:48:10.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:48:10.249 INFO [stderr] 
Nov 28 07:48:10.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
Nov 28 07:48:10.289 INFO [stderr] su: No module specific data is present
Nov 28 07:48:11.393 INFO running `"docker" "inspect" "a24e5ab473ee05d8432adee404e8678b14c8c9f9c92d853872994ad2cfd912bc"`
Nov 28 07:48:11.868 INFO running `"docker" "rm" "-f" "a24e5ab473ee05d8432adee404e8678b14c8c9f9c92d853872994ad2cfd912bc"`
Nov 28 07:48:12.322 INFO [stdout] a24e5ab473ee05d8432adee404e8678b14c8c9f9c92d853872994ad2cfd912bc