Dec 06 08:40:37.737 INFO testing Voronchikhin/networking_labs against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 08:40:37.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:40:38.277 INFO [stdout] fe1a515a94ca7dd8f00cfbfb97730df79c03678819d69a23a98ec55993de8714
Dec 06 08:40:38.282 INFO running `"docker" "start" "-a" "fe1a515a94ca7dd8f00cfbfb97730df79c03678819d69a23a98ec55993de8714"`
Dec 06 08:40:39.796 INFO [stderr] usermod: no changes
Dec 06 08:40:39.890 INFO [stderr]    Compiling Multicaster v0.1.0 (/source)
Dec 06 08:40:40.528 INFO [stderr] warning: unused import: `net2`
Dec 06 08:40:40.528 INFO [stderr]   --> src/main.rs:10:5
Dec 06 08:40:40.528 INFO [stderr]    |
Dec 06 08:40:40.528 INFO [stderr] 10 | use net2::*;
Dec 06 08:40:40.528 INFO [stderr]    |     ^^^^
Dec 06 08:40:40.528 INFO [stderr]    |
Dec 06 08:40:40.529 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 08:40:40.529 INFO [stderr] 
Dec 06 08:40:40.540 INFO [stderr] warning: unused variable: `buffer`
Dec 06 08:40:40.540 INFO [stderr]   --> src/main.rs:19:9
Dec 06 08:40:40.540 INFO [stderr]    |
Dec 06 08:40:40.540 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Dec 06 08:40:40.540 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Dec 06 08:40:40.544 INFO [stderr]    |
Dec 06 08:40:40.544 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:40:40.544 INFO [stderr] 
Dec 06 08:40:40.544 INFO [stderr] warning: unused variable: `e`
Dec 06 08:40:40.544 INFO [stderr]   --> src/main.rs:26:17
Dec 06 08:40:40.544 INFO [stderr]    |
Dec 06 08:40:40.544 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Dec 06 08:40:40.544 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 08:40:40.544 INFO [stderr] 
Dec 06 08:40:40.544 INFO [stderr] warning: unused variable: `v4_addr`
Dec 06 08:40:40.544 INFO [stderr]   --> src/main.rs:40:20
Dec 06 08:40:40.544 INFO [stderr]    |
Dec 06 08:40:40.544 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Dec 06 08:40:40.544 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Dec 06 08:40:40.544 INFO [stderr] 
Dec 06 08:40:40.544 INFO [stderr] warning: unused variable: `v6_addr`
Dec 06 08:40:40.544 INFO [stderr]   --> src/main.rs:41:20
Dec 06 08:40:40.544 INFO [stderr]    |
Dec 06 08:40:40.544 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Dec 06 08:40:40.544 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Dec 06 08:40:40.544 INFO [stderr] 
Dec 06 08:40:40.564 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Dec 06 08:40:40.564 INFO [stderr]   |
Dec 06 08:40:40.564 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 06 08:40:40.564 INFO [stderr] 
Dec 06 08:40:40.564 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:40.564 INFO [stderr]   --> src/main.rs:50:5
Dec 06 08:40:40.564 INFO [stderr]    |
Dec 06 08:40:40.564 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Dec 06 08:40:40.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:40.564 INFO [stderr]    |
Dec 06 08:40:40.564 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 08:40:40.564 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:40.564 INFO [stderr] 
Dec 06 08:40:40.564 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:40.564 INFO [stderr]   --> src/main.rs:73:5
Dec 06 08:40:40.564 INFO [stderr]    |
Dec 06 08:40:40.564 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Dec 06 08:40:40.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:40.564 INFO [stderr]    |
Dec 06 08:40:40.564 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:40.564 INFO [stderr] 
Dec 06 08:40:40.564 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:40.564 INFO [stderr]   --> src/main.rs:74:5
Dec 06 08:40:40.564 INFO [stderr]    |
Dec 06 08:40:40.564 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Dec 06 08:40:40.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:40.564 INFO [stderr]    |
Dec 06 08:40:40.564 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:40.564 INFO [stderr] 
Dec 06 08:40:41.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 06 08:40:41.493 INFO [stderr] su: No module specific data is present
Dec 06 08:40:42.370 INFO running `"docker" "inspect" "fe1a515a94ca7dd8f00cfbfb97730df79c03678819d69a23a98ec55993de8714"`
Dec 06 08:40:42.692 INFO running `"docker" "rm" "-f" "fe1a515a94ca7dd8f00cfbfb97730df79c03678819d69a23a98ec55993de8714"`
Dec 06 08:40:42.976 INFO [stdout] fe1a515a94ca7dd8f00cfbfb97730df79c03678819d69a23a98ec55993de8714
Dec 06 08:40:42.978 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:40:43.428 INFO [stdout] 1b9636163f3d3dcb53a79a7eea6a18b0123c72b5cc6a5ff499e7770621e67cb5
Dec 06 08:40:43.436 INFO running `"docker" "start" "-a" "1b9636163f3d3dcb53a79a7eea6a18b0123c72b5cc6a5ff499e7770621e67cb5"`
Dec 06 08:40:44.816 INFO [stderr] usermod: no changes
Dec 06 08:40:44.892 INFO [stderr]    Compiling Multicaster v0.1.0 (/source)
Dec 06 08:40:45.488 INFO [stderr] warning: unused import: `net2`
Dec 06 08:40:45.488 INFO [stderr]   --> src/main.rs:10:5
Dec 06 08:40:45.488 INFO [stderr]    |
Dec 06 08:40:45.488 INFO [stderr] 10 | use net2::*;
Dec 06 08:40:45.488 INFO [stderr]    |     ^^^^
Dec 06 08:40:45.488 INFO [stderr]    |
Dec 06 08:40:45.488 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 08:40:45.488 INFO [stderr] 
Dec 06 08:40:45.493 INFO [stderr] warning: unused variable: `buffer`
Dec 06 08:40:45.493 INFO [stderr]   --> src/main.rs:19:9
Dec 06 08:40:45.493 INFO [stderr]    |
Dec 06 08:40:45.493 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Dec 06 08:40:45.493 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Dec 06 08:40:45.493 INFO [stderr]    |
Dec 06 08:40:45.493 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:40:45.493 INFO [stderr] 
Dec 06 08:40:45.493 INFO [stderr] warning: unused variable: `e`
Dec 06 08:40:45.493 INFO [stderr]   --> src/main.rs:26:17
Dec 06 08:40:45.493 INFO [stderr]    |
Dec 06 08:40:45.493 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Dec 06 08:40:45.493 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 08:40:45.493 INFO [stderr] 
Dec 06 08:40:45.493 INFO [stderr] warning: unused variable: `v4_addr`
Dec 06 08:40:45.493 INFO [stderr]   --> src/main.rs:40:20
Dec 06 08:40:45.493 INFO [stderr]    |
Dec 06 08:40:45.493 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Dec 06 08:40:45.493 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Dec 06 08:40:45.493 INFO [stderr] 
Dec 06 08:40:45.493 INFO [stderr] warning: unused variable: `v6_addr`
Dec 06 08:40:45.493 INFO [stderr]   --> src/main.rs:41:20
Dec 06 08:40:45.493 INFO [stderr]    |
Dec 06 08:40:45.493 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Dec 06 08:40:45.493 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Dec 06 08:40:45.493 INFO [stderr] 
Dec 06 08:40:45.516 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Dec 06 08:40:45.516 INFO [stderr]   |
Dec 06 08:40:45.516 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 06 08:40:45.516 INFO [stderr] 
Dec 06 08:40:45.516 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:45.516 INFO [stderr]   --> src/main.rs:50:5
Dec 06 08:40:45.516 INFO [stderr]    |
Dec 06 08:40:45.516 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Dec 06 08:40:45.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:45.516 INFO [stderr]    |
Dec 06 08:40:45.516 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 08:40:45.516 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:45.516 INFO [stderr] 
Dec 06 08:40:45.516 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:45.516 INFO [stderr]   --> src/main.rs:73:5
Dec 06 08:40:45.516 INFO [stderr]    |
Dec 06 08:40:45.516 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Dec 06 08:40:45.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:45.516 INFO [stderr]    |
Dec 06 08:40:45.516 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:45.516 INFO [stderr] 
Dec 06 08:40:45.516 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:45.516 INFO [stderr]   --> src/main.rs:74:5
Dec 06 08:40:45.516 INFO [stderr]    |
Dec 06 08:40:45.516 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Dec 06 08:40:45.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:45.516 INFO [stderr]    |
Dec 06 08:40:45.516 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:45.516 INFO [stderr] 
Dec 06 08:40:45.862 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 06 08:40:45.866 INFO [stderr] su: No module specific data is present
Dec 06 08:40:46.500 INFO running `"docker" "inspect" "1b9636163f3d3dcb53a79a7eea6a18b0123c72b5cc6a5ff499e7770621e67cb5"`
Dec 06 08:40:46.842 INFO running `"docker" "rm" "-f" "1b9636163f3d3dcb53a79a7eea6a18b0123c72b5cc6a5ff499e7770621e67cb5"`
Dec 06 08:40:47.100 INFO [stdout] 1b9636163f3d3dcb53a79a7eea6a18b0123c72b5cc6a5ff499e7770621e67cb5
Dec 06 08:40:47.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:40:47.512 INFO [stdout] 1aca19f951c25c9d0b335bb4d1dd7f0ad98b0a9c87e84a8b628b4a2360a1f574
Dec 06 08:40:47.520 INFO running `"docker" "start" "-a" "1aca19f951c25c9d0b335bb4d1dd7f0ad98b0a9c87e84a8b628b4a2360a1f574"`
Dec 06 08:40:48.516 INFO [stderr] usermod: no changes
Dec 06 08:40:48.579 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 08:40:48.580 INFO [stderr]      Running /target/debug/deps/Multicaster-3d24ce404e83f125
Dec 06 08:40:48.590 INFO [stdout] 
Dec 06 08:40:48.590 INFO [stdout] running 0 tests
Dec 06 08:40:48.590 INFO [stdout] 
Dec 06 08:40:48.590 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:40:48.590 INFO [stdout] 
Dec 06 08:40:48.595 INFO [stderr] su: No module specific data is present
Dec 06 08:40:49.039 INFO running `"docker" "inspect" "1aca19f951c25c9d0b335bb4d1dd7f0ad98b0a9c87e84a8b628b4a2360a1f574"`
Dec 06 08:40:49.340 INFO running `"docker" "rm" "-f" "1aca19f951c25c9d0b335bb4d1dd7f0ad98b0a9c87e84a8b628b4a2360a1f574"`
Dec 06 08:40:49.620 INFO [stdout] 1aca19f951c25c9d0b335bb4d1dd7f0ad98b0a9c87e84a8b628b4a2360a1f574