Nov 30 05:21:34.984 INFO checking chrisf1337/mqtt-broker against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 05:21:34.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 05:21:35.354 INFO [stdout] b4b91e97441184800c51fe58b2e81ab115d04d9f7b094d718863923b053fcbeb
Nov 30 05:21:35.356 INFO running `"docker" "start" "-a" "b4b91e97441184800c51fe58b2e81ab115d04d9f7b094d718863923b053fcbeb"`
Nov 30 05:21:36.271 INFO [stderr] usermod: no changes
Nov 30 05:21:36.372 INFO [stderr]     Checking uuid v0.5.1
Nov 30 05:21:36.380 INFO [stderr]     Checking openssl-sys v0.7.17
Nov 30 05:21:36.916 INFO [stderr]     Checking openssl-sys-extras v0.7.14
Nov 30 05:21:37.088 INFO [stderr]     Checking libmqtt v0.1.0 (/source/libmqtt)
Nov 30 05:21:37.356 INFO [stderr]     Checking openssl v0.7.14
Nov 30 05:21:38.960 INFO [stderr]     Checking netopt v0.1.3
Nov 30 05:21:39.664 INFO [stderr]     Checking mqttc v0.1.4
Nov 30 05:21:40.679 INFO [stderr]     Checking mqtt-broker v0.1.0 (/source)
Nov 30 05:21:42.112 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Nov 30 05:21:42.112 INFO [stderr]  --> src/main.rs:1:12
Nov 30 05:21:42.112 INFO [stderr]   |
Nov 30 05:21:42.112 INFO [stderr] 1 | #![feature(use_nested_groups)]
Nov 30 05:21:42.112 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.112 INFO [stderr]   |
Nov 30 05:21:42.112 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 05:21:42.112 INFO [stderr] 
Nov 30 05:21:42.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.112 INFO [stderr]    --> src/main.rs:338:9
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Nov 30 05:21:42.112 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 05:21:42.112 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.112 INFO [stderr] 
Nov 30 05:21:42.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.112 INFO [stderr]    --> src/main.rs:339:9
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Nov 30 05:21:42.112 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.112 INFO [stderr] 
Nov 30 05:21:42.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.112 INFO [stderr]    --> src/main.rs:363:9
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Nov 30 05:21:42.112 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.112 INFO [stderr] 
Nov 30 05:21:42.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.112 INFO [stderr]    --> src/main.rs:378:5
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr] 378 |     t1.join();
Nov 30 05:21:42.112 INFO [stderr]     |     ^^^^^^^^^^
Nov 30 05:21:42.112 INFO [stderr]     |
Nov 30 05:21:42.112 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.112 INFO [stderr] 
Nov 30 05:21:42.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.113 INFO [stderr]    --> src/main.rs:379:5
Nov 30 05:21:42.113 INFO [stderr]     |
Nov 30 05:21:42.113 INFO [stderr] 379 |     t2.join();
Nov 30 05:21:42.113 INFO [stderr]     |     ^^^^^^^^^^
Nov 30 05:21:42.113 INFO [stderr]     |
Nov 30 05:21:42.113 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.113 INFO [stderr] 
Nov 30 05:21:42.428 INFO [stderr] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable
Nov 30 05:21:42.428 INFO [stderr]  --> src/main.rs:1:12
Nov 30 05:21:42.428 INFO [stderr]   |
Nov 30 05:21:42.428 INFO [stderr] 1 | #![feature(use_nested_groups)]
Nov 30 05:21:42.428 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.428 INFO [stderr]   |
Nov 30 05:21:42.428 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 05:21:42.428 INFO [stderr] 
Nov 30 05:21:42.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.428 INFO [stderr]    --> src/main.rs:338:9
Nov 30 05:21:42.428 INFO [stderr]     |
Nov 30 05:21:42.428 INFO [stderr] 338 |         client.publish("test_topic".to_string(), "hello from client 1!", PubOpt::at_least_once());
Nov 30 05:21:42.432 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.432 INFO [stderr]     |
Nov 30 05:21:42.432 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 05:21:42.432 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.432 INFO [stderr] 
Nov 30 05:21:42.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.432 INFO [stderr]    --> src/main.rs:339:9
Nov 30 05:21:42.432 INFO [stderr]     |
Nov 30 05:21:42.432 INFO [stderr] 339 |         client.publish("test_topic".to_string(), "hello again from client 1!", PubOpt::at_least_once());
Nov 30 05:21:42.432 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.432 INFO [stderr]     |
Nov 30 05:21:42.432 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.432 INFO [stderr] 
Nov 30 05:21:42.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.432 INFO [stderr]    --> src/main.rs:363:9
Nov 30 05:21:42.432 INFO [stderr]     |
Nov 30 05:21:42.432 INFO [stderr] 363 |         client.publish("test_topic".to_string(), "hello from client 2!", PubOpt::at_least_once());
Nov 30 05:21:42.432 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:21:42.432 INFO [stderr]     |
Nov 30 05:21:42.432 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.432 INFO [stderr] 
Nov 30 05:21:42.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.432 INFO [stderr]    --> src/main.rs:378:5
Nov 30 05:21:42.432 INFO [stderr]     |
Nov 30 05:21:42.436 INFO [stderr] 378 |     t1.join();
Nov 30 05:21:42.436 INFO [stderr]     |     ^^^^^^^^^^
Nov 30 05:21:42.436 INFO [stderr]     |
Nov 30 05:21:42.436 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.436 INFO [stderr] 
Nov 30 05:21:42.436 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:21:42.436 INFO [stderr]    --> src/main.rs:379:5
Nov 30 05:21:42.436 INFO [stderr]     |
Nov 30 05:21:42.436 INFO [stderr] 379 |     t2.join();
Nov 30 05:21:42.436 INFO [stderr]     |     ^^^^^^^^^^
Nov 30 05:21:42.436 INFO [stderr]     |
Nov 30 05:21:42.436 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:21:42.436 INFO [stderr] 
Nov 30 05:21:42.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
Nov 30 05:21:42.496 INFO [stderr] su: No module specific data is present
Nov 30 05:21:42.984 INFO running `"docker" "inspect" "b4b91e97441184800c51fe58b2e81ab115d04d9f7b094d718863923b053fcbeb"`
Nov 30 05:21:43.091 INFO running `"docker" "rm" "-f" "b4b91e97441184800c51fe58b2e81ab115d04d9f7b094d718863923b053fcbeb"`
Nov 30 05:21:43.196 INFO [stdout] b4b91e97441184800c51fe58b2e81ab115d04d9f7b094d718863923b053fcbeb