Nov 17 10:53:34.403 INFO testing Voronchikhin/networking_labs against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 10:53:34.403 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 10:53:34.887 INFO [stdout] 6e63f152f27578fc2685b8a71a9811fe026792460f76ec618245895a629fdd5e
Nov 17 10:53:34.893 INFO running `"docker" "start" "-a" "6e63f152f27578fc2685b8a71a9811fe026792460f76ec618245895a629fdd5e"`
Nov 17 10:53:36.232 INFO [stderr] usermod: no changes
Nov 17 10:53:36.319 INFO [stderr]    Compiling Multicaster v0.1.0 (/source)
Nov 17 10:53:36.843 INFO [stderr] warning: unused import: `net2`
Nov 17 10:53:36.843 INFO [stderr]   --> src/main.rs:10:5
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr] 10 | use net2::*;
Nov 17 10:53:36.843 INFO [stderr]    |     ^^^^
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 17 10:53:36.843 INFO [stderr] 
Nov 17 10:53:36.843 INFO [stderr] warning: unused variable: `buffer`
Nov 17 10:53:36.843 INFO [stderr]   --> src/main.rs:19:9
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Nov 17 10:53:36.843 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 10:53:36.843 INFO [stderr] 
Nov 17 10:53:36.843 INFO [stderr] warning: unused variable: `e`
Nov 17 10:53:36.843 INFO [stderr]   --> src/main.rs:26:17
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Nov 17 10:53:36.843 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 17 10:53:36.843 INFO [stderr] 
Nov 17 10:53:36.843 INFO [stderr] warning: unused variable: `v4_addr`
Nov 17 10:53:36.843 INFO [stderr]   --> src/main.rs:40:20
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Nov 17 10:53:36.843 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Nov 17 10:53:36.843 INFO [stderr] 
Nov 17 10:53:36.843 INFO [stderr] warning: unused variable: `v6_addr`
Nov 17 10:53:36.843 INFO [stderr]   --> src/main.rs:41:20
Nov 17 10:53:36.843 INFO [stderr]    |
Nov 17 10:53:36.843 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Nov 17 10:53:36.843 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Nov 17 10:53:36.843 INFO [stderr] 
Nov 17 10:53:36.874 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Nov 17 10:53:36.874 INFO [stderr]   |
Nov 17 10:53:36.875 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 17 10:53:36.875 INFO [stderr] 
Nov 17 10:53:36.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:53:36.875 INFO [stderr]   --> src/main.rs:50:5
Nov 17 10:53:36.875 INFO [stderr]    |
Nov 17 10:53:36.875 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Nov 17 10:53:36.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:53:36.875 INFO [stderr]    |
Nov 17 10:53:36.875 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 10:53:36.875 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:53:36.875 INFO [stderr] 
Nov 17 10:53:36.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:53:36.875 INFO [stderr]   --> src/main.rs:73:5
Nov 17 10:53:36.875 INFO [stderr]    |
Nov 17 10:53:36.875 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Nov 17 10:53:36.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:53:36.875 INFO [stderr]    |
Nov 17 10:53:36.875 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:53:36.875 INFO [stderr] 
Nov 17 10:53:36.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:53:36.875 INFO [stderr]   --> src/main.rs:74:5
Nov 17 10:53:36.875 INFO [stderr]    |
Nov 17 10:53:36.875 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Nov 17 10:53:36.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:53:36.875 INFO [stderr]    |
Nov 17 10:53:36.875 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:53:36.875 INFO [stderr] 
Nov 17 10:53:37.903 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Nov 17 10:53:37.907 INFO [stderr] su: No module specific data is present
Nov 17 10:53:38.759 INFO running `"docker" "inspect" "6e63f152f27578fc2685b8a71a9811fe026792460f76ec618245895a629fdd5e"`
Nov 17 10:53:38.963 INFO running `"docker" "rm" "-f" "6e63f152f27578fc2685b8a71a9811fe026792460f76ec618245895a629fdd5e"`
Nov 17 10:53:39.211 INFO [stdout] 6e63f152f27578fc2685b8a71a9811fe026792460f76ec618245895a629fdd5e
Nov 17 10:53:39.218 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 10:53:39.925 INFO [stdout] fe25a0724f63c3394ca6bff48af4ce58cb729150a87d678a5d74574ddbb859fc
Nov 17 10:53:39.925 INFO running `"docker" "start" "-a" "fe25a0724f63c3394ca6bff48af4ce58cb729150a87d678a5d74574ddbb859fc"`
Nov 17 10:53:41.279 INFO [stderr] usermod: no changes
Nov 17 10:53:41.331 INFO [stderr]    Compiling Multicaster v0.1.0 (/source)
Nov 17 10:53:41.811 INFO [stderr] warning: unused import: `net2`
Nov 17 10:53:41.811 INFO [stderr]   --> src/main.rs:10:5
Nov 17 10:53:41.811 INFO [stderr]    |
Nov 17 10:53:41.812 INFO [stderr] 10 | use net2::*;
Nov 17 10:53:41.812 INFO [stderr]    |     ^^^^
Nov 17 10:53:41.812 INFO [stderr]    |
Nov 17 10:53:41.813 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 17 10:53:41.813 INFO [stderr] 
Nov 17 10:53:41.814 INFO [stderr] warning: unused variable: `buffer`
Nov 17 10:53:41.815 INFO [stderr]   --> src/main.rs:19:9
Nov 17 10:53:41.815 INFO [stderr]    |
Nov 17 10:53:41.815 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Nov 17 10:53:41.815 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Nov 17 10:53:41.816 INFO [stderr]    |
Nov 17 10:53:41.816 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 10:53:41.816 INFO [stderr] 
Nov 17 10:53:41.817 INFO [stderr] warning: unused variable: `e`
Nov 17 10:53:41.817 INFO [stderr]   --> src/main.rs:26:17
Nov 17 10:53:41.817 INFO [stderr]    |
Nov 17 10:53:41.817 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Nov 17 10:53:41.818 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 17 10:53:41.818 INFO [stderr] 
Nov 17 10:53:41.818 INFO [stderr] warning: unused variable: `v4_addr`
Nov 17 10:53:41.819 INFO [stderr]   --> src/main.rs:40:20
Nov 17 10:53:41.819 INFO [stderr]    |
Nov 17 10:53:41.819 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Nov 17 10:53:41.820 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Nov 17 10:53:41.820 INFO [stderr] 
Nov 17 10:53:41.820 INFO [stderr] warning: unused variable: `v6_addr`
Nov 17 10:53:41.820 INFO [stderr]   --> src/main.rs:41:20
Nov 17 10:53:41.821 INFO [stderr]    |
Nov 17 10:53:41.821 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Nov 17 10:53:41.821 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Nov 17 10:53:41.821 INFO [stderr] 
Nov 17 10:53:41.847 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Nov 17 10:53:41.848 INFO [stderr]   |
Nov 17 10:53:41.848 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 17 10:53:41.848 INFO [stderr] 
Nov 17 10:53:41.849 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:53:41.849 INFO [stderr]   --> src/main.rs:50:5
Nov 17 10:53:41.849 INFO [stderr]    |
Nov 17 10:53:41.849 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Nov 17 10:53:41.849 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:53:41.850 INFO [stderr]    |
Nov 17 10:53:41.850 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 10:53:41.850 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:53:41.851 INFO [stderr] 
Nov 17 10:53:41.851 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:53:41.851 INFO [stderr]   --> src/main.rs:73:5
Nov 17 10:53:41.851 INFO [stderr]    |
Nov 17 10:53:41.852 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Nov 17 10:53:41.852 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:53:41.852 INFO [stderr]    |
Nov 17 10:53:41.852 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:53:41.853 INFO [stderr] 
Nov 17 10:53:41.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:53:41.853 INFO [stderr]   --> src/main.rs:74:5
Nov 17 10:53:41.853 INFO [stderr]    |
Nov 17 10:53:41.854 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Nov 17 10:53:41.854 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:53:41.854 INFO [stderr]    |
Nov 17 10:53:41.854 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:53:41.855 INFO [stderr] 
Nov 17 10:53:42.109 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Nov 17 10:53:42.114 INFO [stderr] su: No module specific data is present
Nov 17 10:53:42.697 INFO running `"docker" "inspect" "fe25a0724f63c3394ca6bff48af4ce58cb729150a87d678a5d74574ddbb859fc"`
Nov 17 10:53:42.926 INFO running `"docker" "rm" "-f" "fe25a0724f63c3394ca6bff48af4ce58cb729150a87d678a5d74574ddbb859fc"`
Nov 17 10:53:43.123 INFO [stdout] fe25a0724f63c3394ca6bff48af4ce58cb729150a87d678a5d74574ddbb859fc
Nov 17 10:53:43.127 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 10:53:43.507 INFO [stdout] 4915bd7cdfd551349cceca7372f39cb49c6a2e27fbad0b5c5d2ce31a2c06961b
Nov 17 10:53:43.513 INFO running `"docker" "start" "-a" "4915bd7cdfd551349cceca7372f39cb49c6a2e27fbad0b5c5d2ce31a2c06961b"`
Nov 17 10:53:44.819 INFO [stderr] usermod: no changes
Nov 17 10:53:44.903 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 17 10:53:44.907 INFO [stderr]      Running /target/debug/deps/Multicaster-a65480a8a7518d05
Nov 17 10:53:44.915 INFO [stderr] su: No module specific data is present
Nov 17 10:53:44.915 INFO [stdout] 
Nov 17 10:53:44.915 INFO [stdout] running 0 tests
Nov 17 10:53:44.915 INFO [stdout] 
Nov 17 10:53:44.915 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 10:53:44.915 INFO [stdout] 
Nov 17 10:53:45.478 INFO running `"docker" "inspect" "4915bd7cdfd551349cceca7372f39cb49c6a2e27fbad0b5c5d2ce31a2c06961b"`
Nov 17 10:53:45.763 INFO running `"docker" "rm" "-f" "4915bd7cdfd551349cceca7372f39cb49c6a2e27fbad0b5c5d2ce31a2c06961b"`
Nov 17 10:53:46.055 INFO [stdout] 4915bd7cdfd551349cceca7372f39cb49c6a2e27fbad0b5c5d2ce31a2c06961b