Nov 28 10:30:30.322 INFO checking Voronchikhin/networking_labs against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 10:30:30.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 10:30:30.832 INFO [stdout] b9943c970275cd53e12ebfd92e354f536c913cc1a925451bcab217be3405139a
Nov 28 10:30:30.834 INFO running `"docker" "start" "-a" "b9943c970275cd53e12ebfd92e354f536c913cc1a925451bcab217be3405139a"`
Nov 28 10:30:32.177 INFO [stderr] usermod: no changes
Nov 28 10:30:32.305 INFO [stderr]     Checking Multicaster v0.1.0 (/source)
Nov 28 10:30:33.001 INFO [stderr] warning: unused import: `net2`
Nov 28 10:30:33.001 INFO [stderr]   --> src/main.rs:10:5
Nov 28 10:30:33.001 INFO [stderr]    |
Nov 28 10:30:33.002 INFO [stderr] 10 | use net2::*;
Nov 28 10:30:33.002 INFO [stderr]    |     ^^^^
Nov 28 10:30:33.002 INFO [stderr]    |
Nov 28 10:30:33.002 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 10:30:33.003 INFO [stderr] 
Nov 28 10:30:33.003 INFO [stderr] warning: unused variable: `buffer`
Nov 28 10:30:33.003 INFO [stderr]   --> src/main.rs:19:9
Nov 28 10:30:33.003 INFO [stderr]    |
Nov 28 10:30:33.004 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Nov 28 10:30:33.004 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Nov 28 10:30:33.004 INFO [stderr]    |
Nov 28 10:30:33.005 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:30:33.005 INFO [stderr] 
Nov 28 10:30:33.005 INFO [stderr] warning: unused variable: `e`
Nov 28 10:30:33.005 INFO [stderr]   --> src/main.rs:26:17
Nov 28 10:30:33.006 INFO [stderr]    |
Nov 28 10:30:33.006 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Nov 28 10:30:33.006 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 28 10:30:33.007 INFO [stderr] 
Nov 28 10:30:33.007 INFO [stderr] warning: unused variable: `v4_addr`
Nov 28 10:30:33.007 INFO [stderr]   --> src/main.rs:40:20
Nov 28 10:30:33.008 INFO [stderr]    |
Nov 28 10:30:33.008 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Nov 28 10:30:33.008 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Nov 28 10:30:33.009 INFO [stderr] 
Nov 28 10:30:33.009 INFO [stderr] warning: unused variable: `v6_addr`
Nov 28 10:30:33.009 INFO [stderr]   --> src/main.rs:41:20
Nov 28 10:30:33.010 INFO [stderr]    |
Nov 28 10:30:33.010 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Nov 28 10:30:33.010 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Nov 28 10:30:33.010 INFO [stderr] 
Nov 28 10:30:33.065 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Nov 28 10:30:33.066 INFO [stderr]   |
Nov 28 10:30:33.066 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 10:30:33.067 INFO [stderr] 
Nov 28 10:30:33.067 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:30:33.067 INFO [stderr]   --> src/main.rs:50:5
Nov 28 10:30:33.068 INFO [stderr]    |
Nov 28 10:30:33.068 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Nov 28 10:30:33.068 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:30:33.069 INFO [stderr]    |
Nov 28 10:30:33.069 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 10:30:33.069 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:30:33.069 INFO [stderr] 
Nov 28 10:30:33.070 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:30:33.070 INFO [stderr]   --> src/main.rs:73:5
Nov 28 10:30:33.070 INFO [stderr]    |
Nov 28 10:30:33.071 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Nov 28 10:30:33.071 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:30:33.071 INFO [stderr]    |
Nov 28 10:30:33.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:30:33.072 INFO [stderr] 
Nov 28 10:30:33.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:30:33.073 INFO [stderr]   --> src/main.rs:74:5
Nov 28 10:30:33.073 INFO [stderr]    |
Nov 28 10:30:33.073 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Nov 28 10:30:33.074 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:30:33.074 INFO [stderr]    |
Nov 28 10:30:33.074 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:30:33.075 INFO [stderr] 
Nov 28 10:30:33.219 INFO [stderr] warning: unused import: `net2`
Nov 28 10:30:33.223 INFO [stderr]   --> src/main.rs:10:5
Nov 28 10:30:33.223 INFO [stderr]    |
Nov 28 10:30:33.223 INFO [stderr] 10 | use net2::*;
Nov 28 10:30:33.223 INFO [stderr]    |     ^^^^
Nov 28 10:30:33.224 INFO [stderr]    |
Nov 28 10:30:33.224 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 10:30:33.224 INFO [stderr] 
Nov 28 10:30:33.225 INFO [stderr] warning: unused variable: `buffer`
Nov 28 10:30:33.225 INFO [stderr]   --> src/main.rs:19:9
Nov 28 10:30:33.225 INFO [stderr]    |
Nov 28 10:30:33.226 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Nov 28 10:30:33.226 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Nov 28 10:30:33.226 INFO [stderr]    |
Nov 28 10:30:33.226 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:30:33.227 INFO [stderr] 
Nov 28 10:30:33.227 INFO [stderr] warning: unused variable: `e`
Nov 28 10:30:33.227 INFO [stderr]   --> src/main.rs:26:17
Nov 28 10:30:33.227 INFO [stderr]    |
Nov 28 10:30:33.228 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Nov 28 10:30:33.232 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 28 10:30:33.233 INFO [stderr] 
Nov 28 10:30:33.234 INFO [stderr] warning: unused variable: `v4_addr`
Nov 28 10:30:33.234 INFO [stderr]   --> src/main.rs:40:20
Nov 28 10:30:33.234 INFO [stderr]    |
Nov 28 10:30:33.234 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Nov 28 10:30:33.235 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Nov 28 10:30:33.235 INFO [stderr] 
Nov 28 10:30:33.235 INFO [stderr] warning: unused variable: `v6_addr`
Nov 28 10:30:33.235 INFO [stderr]   --> src/main.rs:41:20
Nov 28 10:30:33.236 INFO [stderr]    |
Nov 28 10:30:33.236 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Nov 28 10:30:33.236 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Nov 28 10:30:33.237 INFO [stderr] 
Nov 28 10:30:33.276 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Nov 28 10:30:33.277 INFO [stderr]   |
Nov 28 10:30:33.277 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 10:30:33.277 INFO [stderr] 
Nov 28 10:30:33.278 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:30:33.278 INFO [stderr]   --> src/main.rs:50:5
Nov 28 10:30:33.278 INFO [stderr]    |
Nov 28 10:30:33.278 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Nov 28 10:30:33.279 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:30:33.279 INFO [stderr]    |
Nov 28 10:30:33.279 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 10:30:33.279 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:30:33.280 INFO [stderr] 
Nov 28 10:30:33.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:30:33.280 INFO [stderr]   --> src/main.rs:73:5
Nov 28 10:30:33.280 INFO [stderr]    |
Nov 28 10:30:33.281 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Nov 28 10:30:33.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:30:33.281 INFO [stderr]    |
Nov 28 10:30:33.282 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:30:33.282 INFO [stderr] 
Nov 28 10:30:33.282 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:30:33.282 INFO [stderr]   --> src/main.rs:74:5
Nov 28 10:30:33.283 INFO [stderr]    |
Nov 28 10:30:33.283 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Nov 28 10:30:33.283 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:30:33.283 INFO [stderr]    |
Nov 28 10:30:33.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:30:33.284 INFO [stderr] 
Nov 28 10:30:33.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Nov 28 10:30:33.308 INFO [stderr] su: No module specific data is present
Nov 28 10:30:34.072 INFO running `"docker" "inspect" "b9943c970275cd53e12ebfd92e354f536c913cc1a925451bcab217be3405139a"`
Nov 28 10:30:34.374 INFO running `"docker" "rm" "-f" "b9943c970275cd53e12ebfd92e354f536c913cc1a925451bcab217be3405139a"`
Nov 28 10:30:34.632 INFO [stdout] b9943c970275cd53e12ebfd92e354f536c913cc1a925451bcab217be3405139a