Dec 14 04:47:07.511 INFO testing Voronchikhin/networking_labs against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 04:47:07.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 04:47:07.877 INFO [stdout] cd635dac65f4917b526e677b7fd8cf296d9a419172dc71e718b8187069fb5f0d
Dec 14 04:47:07.880 INFO running `"docker" "start" "-a" "cd635dac65f4917b526e677b7fd8cf296d9a419172dc71e718b8187069fb5f0d"`
Dec 14 04:47:10.054 INFO [stderr] usermod: no changes
Dec 14 04:47:10.183 INFO [stderr]    Compiling Multicaster v0.1.0 (/source)
Dec 14 04:47:11.530 INFO [stderr] warning: unused import: `net2`
Dec 14 04:47:11.530 INFO [stderr]   --> src/main.rs:10:5
Dec 14 04:47:11.530 INFO [stderr]    |
Dec 14 04:47:11.530 INFO [stderr] 10 | use net2::*;
Dec 14 04:47:11.530 INFO [stderr]    |     ^^^^
Dec 14 04:47:11.530 INFO [stderr]    |
Dec 14 04:47:11.537 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 04:47:11.537 INFO [stderr] 
Dec 14 04:47:11.537 INFO [stderr] warning: unused variable: `buffer`
Dec 14 04:47:11.537 INFO [stderr]   --> src/main.rs:19:9
Dec 14 04:47:11.537 INFO [stderr]    |
Dec 14 04:47:11.537 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Dec 14 04:47:11.537 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Dec 14 04:47:11.537 INFO [stderr]    |
Dec 14 04:47:11.537 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:47:11.537 INFO [stderr] 
Dec 14 04:47:11.537 INFO [stderr] warning: unused variable: `e`
Dec 14 04:47:11.537 INFO [stderr]   --> src/main.rs:26:17
Dec 14 04:47:11.537 INFO [stderr]    |
Dec 14 04:47:11.537 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Dec 14 04:47:11.537 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 04:47:11.537 INFO [stderr] 
Dec 14 04:47:11.537 INFO [stderr] warning: unused variable: `v4_addr`
Dec 14 04:47:11.537 INFO [stderr]   --> src/main.rs:40:20
Dec 14 04:47:11.537 INFO [stderr]    |
Dec 14 04:47:11.537 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Dec 14 04:47:11.537 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Dec 14 04:47:11.537 INFO [stderr] 
Dec 14 04:47:11.537 INFO [stderr] warning: unused variable: `v6_addr`
Dec 14 04:47:11.537 INFO [stderr]   --> src/main.rs:41:20
Dec 14 04:47:11.537 INFO [stderr]    |
Dec 14 04:47:11.537 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Dec 14 04:47:11.537 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Dec 14 04:47:11.537 INFO [stderr] 
Dec 14 04:47:11.574 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Dec 14 04:47:11.574 INFO [stderr]   |
Dec 14 04:47:11.574 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 04:47:11.574 INFO [stderr] 
Dec 14 04:47:11.576 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:47:11.576 INFO [stderr]   --> src/main.rs:50:5
Dec 14 04:47:11.576 INFO [stderr]    |
Dec 14 04:47:11.576 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Dec 14 04:47:11.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:47:11.576 INFO [stderr]    |
Dec 14 04:47:11.576 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 04:47:11.576 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:47:11.576 INFO [stderr] 
Dec 14 04:47:11.576 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:47:11.576 INFO [stderr]   --> src/main.rs:73:5
Dec 14 04:47:11.576 INFO [stderr]    |
Dec 14 04:47:11.576 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Dec 14 04:47:11.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:47:11.576 INFO [stderr]    |
Dec 14 04:47:11.587 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:47:11.587 INFO [stderr] 
Dec 14 04:47:11.587 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:47:11.587 INFO [stderr]   --> src/main.rs:74:5
Dec 14 04:47:11.587 INFO [stderr]    |
Dec 14 04:47:11.587 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Dec 14 04:47:11.587 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:47:11.587 INFO [stderr]    |
Dec 14 04:47:11.587 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:47:11.587 INFO [stderr] 
Dec 14 04:47:12.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
Dec 14 04:47:12.771 INFO [stderr] su: No module specific data is present
Dec 14 04:47:13.656 INFO running `"docker" "inspect" "cd635dac65f4917b526e677b7fd8cf296d9a419172dc71e718b8187069fb5f0d"`
Dec 14 04:47:14.007 INFO running `"docker" "rm" "-f" "cd635dac65f4917b526e677b7fd8cf296d9a419172dc71e718b8187069fb5f0d"`
Dec 14 04:47:14.407 INFO [stdout] cd635dac65f4917b526e677b7fd8cf296d9a419172dc71e718b8187069fb5f0d
Dec 14 04:47:14.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 04:47:14.884 INFO [stdout] d595cdaba59478397c5de61d9e7cf410faacbeea5847b6f3f2ca7d2d877022d4
Dec 14 04:47:14.886 INFO running `"docker" "start" "-a" "d595cdaba59478397c5de61d9e7cf410faacbeea5847b6f3f2ca7d2d877022d4"`
Dec 14 04:47:16.284 INFO [stderr] usermod: no changes
Dec 14 04:47:16.395 INFO [stderr]    Compiling Multicaster v0.1.0 (/source)
Dec 14 04:47:17.192 INFO [stderr] warning: unused import: `net2`
Dec 14 04:47:17.192 INFO [stderr]   --> src/main.rs:10:5
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr] 10 | use net2::*;
Dec 14 04:47:17.192 INFO [stderr]    |     ^^^^
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 04:47:17.192 INFO [stderr] 
Dec 14 04:47:17.192 INFO [stderr] warning: unused variable: `buffer`
Dec 14 04:47:17.192 INFO [stderr]   --> src/main.rs:19:9
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Dec 14 04:47:17.192 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:47:17.192 INFO [stderr] 
Dec 14 04:47:17.192 INFO [stderr] warning: unused variable: `e`
Dec 14 04:47:17.192 INFO [stderr]   --> src/main.rs:26:17
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Dec 14 04:47:17.192 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 04:47:17.192 INFO [stderr] 
Dec 14 04:47:17.192 INFO [stderr] warning: unused variable: `v4_addr`
Dec 14 04:47:17.192 INFO [stderr]   --> src/main.rs:40:20
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Dec 14 04:47:17.192 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Dec 14 04:47:17.192 INFO [stderr] 
Dec 14 04:47:17.192 INFO [stderr] warning: unused variable: `v6_addr`
Dec 14 04:47:17.192 INFO [stderr]   --> src/main.rs:41:20
Dec 14 04:47:17.192 INFO [stderr]    |
Dec 14 04:47:17.192 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Dec 14 04:47:17.192 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Dec 14 04:47:17.192 INFO [stderr] 
Dec 14 04:47:17.219 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Dec 14 04:47:17.219 INFO [stderr]   |
Dec 14 04:47:17.219 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 04:47:17.219 INFO [stderr] 
Dec 14 04:47:17.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:47:17.219 INFO [stderr]   --> src/main.rs:50:5
Dec 14 04:47:17.219 INFO [stderr]    |
Dec 14 04:47:17.219 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Dec 14 04:47:17.219 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:47:17.219 INFO [stderr]    |
Dec 14 04:47:17.219 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 04:47:17.219 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:47:17.219 INFO [stderr] 
Dec 14 04:47:17.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:47:17.227 INFO [stderr]   --> src/main.rs:73:5
Dec 14 04:47:17.227 INFO [stderr]    |
Dec 14 04:47:17.227 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Dec 14 04:47:17.227 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:47:17.227 INFO [stderr]    |
Dec 14 04:47:17.227 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:47:17.227 INFO [stderr] 
Dec 14 04:47:17.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:47:17.227 INFO [stderr]   --> src/main.rs:74:5
Dec 14 04:47:17.227 INFO [stderr]    |
Dec 14 04:47:17.227 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Dec 14 04:47:17.227 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:47:17.227 INFO [stderr]    |
Dec 14 04:47:17.227 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:47:17.227 INFO [stderr] 
Dec 14 04:47:17.592 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 14 04:47:17.592 INFO [stderr] su: No module specific data is present
Dec 14 04:47:18.336 INFO running `"docker" "inspect" "d595cdaba59478397c5de61d9e7cf410faacbeea5847b6f3f2ca7d2d877022d4"`
Dec 14 04:47:18.550 INFO running `"docker" "rm" "-f" "d595cdaba59478397c5de61d9e7cf410faacbeea5847b6f3f2ca7d2d877022d4"`
Dec 14 04:47:18.820 INFO [stdout] d595cdaba59478397c5de61d9e7cf410faacbeea5847b6f3f2ca7d2d877022d4
Dec 14 04:47:18.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 04:47:19.271 INFO [stdout] db0f59f2befd2a5ab931e7eedf7b51471737b337e9f610d6352303e0eb3eeba7
Dec 14 04:47:19.273 INFO running `"docker" "start" "-a" "db0f59f2befd2a5ab931e7eedf7b51471737b337e9f610d6352303e0eb3eeba7"`
Dec 14 04:47:20.855 INFO [stderr] usermod: no changes
Dec 14 04:47:20.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 04:47:20.952 INFO [stderr]      Running /target/debug/deps/Multicaster-994ccb3751fa1e2c
Dec 14 04:47:20.974 INFO [stderr] su: No module specific data is present
Dec 14 04:47:20.975 INFO [stdout] 
Dec 14 04:47:20.975 INFO [stdout] running 0 tests
Dec 14 04:47:20.975 INFO [stdout] 
Dec 14 04:47:20.975 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:47:20.975 INFO [stdout] 
Dec 14 04:47:21.684 INFO running `"docker" "inspect" "db0f59f2befd2a5ab931e7eedf7b51471737b337e9f610d6352303e0eb3eeba7"`
Dec 14 04:47:21.989 INFO running `"docker" "rm" "-f" "db0f59f2befd2a5ab931e7eedf7b51471737b337e9f610d6352303e0eb3eeba7"`
Dec 14 04:47:22.306 INFO [stdout] db0f59f2befd2a5ab931e7eedf7b51471737b337e9f610d6352303e0eb3eeba7