Nov 30 08:01:35.255 INFO checking Voronchikhin/networking_labs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:01:35.255 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 08:01:35.664 INFO [stdout] 7c5a29c2318851b5f712479548c6fbea17faa9288adf0e70cae18de64b200cff
Nov 30 08:01:35.670 INFO running `"docker" "start" "-a" "7c5a29c2318851b5f712479548c6fbea17faa9288adf0e70cae18de64b200cff"`
Nov 30 08:01:36.656 INFO [stderr] usermod: no changes
Nov 30 08:01:36.760 INFO [stderr]     Checking Multicaster v0.1.0 (/source)
Nov 30 08:01:37.805 INFO [stderr] warning: unused import: `net2`
Nov 30 08:01:37.805 INFO [stderr]   --> src/main.rs:10:5
Nov 30 08:01:37.805 INFO [stderr]    |
Nov 30 08:01:37.805 INFO [stderr] 10 | use net2::*;
Nov 30 08:01:37.805 INFO [stderr]    |     ^^^^
Nov 30 08:01:37.805 INFO [stderr]    |
Nov 30 08:01:37.805 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 08:01:37.805 INFO [stderr] 
Nov 30 08:01:37.810 INFO [stderr] warning: unused variable: `buffer`
Nov 30 08:01:37.810 INFO [stderr]   --> src/main.rs:19:9
Nov 30 08:01:37.810 INFO [stderr]    |
Nov 30 08:01:37.810 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Nov 30 08:01:37.810 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Nov 30 08:01:37.810 INFO [stderr]    |
Nov 30 08:01:37.810 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:01:37.810 INFO [stderr] 
Nov 30 08:01:37.810 INFO [stderr] warning: unused variable: `e`
Nov 30 08:01:37.810 INFO [stderr]   --> src/main.rs:26:17
Nov 30 08:01:37.810 INFO [stderr]    |
Nov 30 08:01:37.810 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Nov 30 08:01:37.810 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 30 08:01:37.810 INFO [stderr] 
Nov 30 08:01:37.810 INFO [stderr] warning: unused variable: `v4_addr`
Nov 30 08:01:37.810 INFO [stderr]   --> src/main.rs:40:20
Nov 30 08:01:37.810 INFO [stderr]    |
Nov 30 08:01:37.810 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Nov 30 08:01:37.810 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Nov 30 08:01:37.810 INFO [stderr] 
Nov 30 08:01:37.810 INFO [stderr] warning: unused variable: `v6_addr`
Nov 30 08:01:37.810 INFO [stderr]   --> src/main.rs:41:20
Nov 30 08:01:37.810 INFO [stderr]    |
Nov 30 08:01:37.810 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Nov 30 08:01:37.810 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Nov 30 08:01:37.810 INFO [stderr] 
Nov 30 08:01:37.840 INFO [stderr] warning: unused import: `net2`
Nov 30 08:01:37.840 INFO [stderr]   --> src/main.rs:10:5
Nov 30 08:01:37.840 INFO [stderr]    |
Nov 30 08:01:37.840 INFO [stderr] 10 | use net2::*;
Nov 30 08:01:37.840 INFO [stderr]    |     ^^^^
Nov 30 08:01:37.840 INFO [stderr]    |
Nov 30 08:01:37.840 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 08:01:37.840 INFO [stderr] 
Nov 30 08:01:37.846 INFO [stderr] warning: unused variable: `buffer`
Nov 30 08:01:37.846 INFO [stderr]   --> src/main.rs:19:9
Nov 30 08:01:37.846 INFO [stderr]    |
Nov 30 08:01:37.846 INFO [stderr] 19 |     let buffer = [0u8; 1600];
Nov 30 08:01:37.846 INFO [stderr]    |         ^^^^^^ help: consider using `_buffer` instead
Nov 30 08:01:37.846 INFO [stderr]    |
Nov 30 08:01:37.847 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:01:37.847 INFO [stderr] 
Nov 30 08:01:37.847 INFO [stderr] warning: unused variable: `e`
Nov 30 08:01:37.847 INFO [stderr]   --> src/main.rs:26:17
Nov 30 08:01:37.847 INFO [stderr]    |
Nov 30 08:01:37.847 INFO [stderr] 26 |             Err(e)   => println!("sending error"),
Nov 30 08:01:37.847 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 30 08:01:37.847 INFO [stderr] 
Nov 30 08:01:37.847 INFO [stderr] warning: unused variable: `v4_addr`
Nov 30 08:01:37.847 INFO [stderr]   --> src/main.rs:40:20
Nov 30 08:01:37.847 INFO [stderr]    |
Nov 30 08:01:37.847 INFO [stderr] 40 |         IpAddr::V4(v4_addr) => UdpBuilder::new_v4(),
Nov 30 08:01:37.847 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v4_addr` instead
Nov 30 08:01:37.847 INFO [stderr] 
Nov 30 08:01:37.847 INFO [stderr] warning: unused variable: `v6_addr`
Nov 30 08:01:37.847 INFO [stderr]   --> src/main.rs:41:20
Nov 30 08:01:37.847 INFO [stderr]    |
Nov 30 08:01:37.847 INFO [stderr] 41 |         IpAddr::V6(v6_addr) => UdpBuilder::new_v6(),
Nov 30 08:01:37.847 INFO [stderr]    |                    ^^^^^^^ help: consider using `_v6_addr` instead
Nov 30 08:01:37.847 INFO [stderr] 
Nov 30 08:01:37.847 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Nov 30 08:01:37.847 INFO [stderr]   |
Nov 30 08:01:37.847 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 08:01:37.847 INFO [stderr] 
Nov 30 08:01:37.856 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:37.856 INFO [stderr]   --> src/main.rs:50:5
Nov 30 08:01:37.856 INFO [stderr]    |
Nov 30 08:01:37.856 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Nov 30 08:01:37.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:37.856 INFO [stderr]    |
Nov 30 08:01:37.856 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:01:37.856 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:37.856 INFO [stderr] 
Nov 30 08:01:37.856 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:37.856 INFO [stderr]   --> src/main.rs:73:5
Nov 30 08:01:37.856 INFO [stderr]    |
Nov 30 08:01:37.856 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Nov 30 08:01:37.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:37.856 INFO [stderr]    |
Nov 30 08:01:37.856 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:37.856 INFO [stderr] 
Nov 30 08:01:37.856 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:37.856 INFO [stderr]   --> src/main.rs:74:5
Nov 30 08:01:37.856 INFO [stderr]    |
Nov 30 08:01:37.856 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Nov 30 08:01:37.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:37.856 INFO [stderr]    |
Nov 30 08:01:37.856 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:37.856 INFO [stderr] 
Nov 30 08:01:37.944 INFO [stderr] warning: crate `Multicaster` should have a snake case name such as `multicaster`
Nov 30 08:01:37.944 INFO [stderr]   |
Nov 30 08:01:37.944 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 08:01:37.944 INFO [stderr] 
Nov 30 08:01:37.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:37.944 INFO [stderr]   --> src/main.rs:50:5
Nov 30 08:01:37.944 INFO [stderr]    |
Nov 30 08:01:37.944 INFO [stderr] 50 |     socket.set_read_timeout(Option::from(Duration::from_secs(3)));
Nov 30 08:01:37.944 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:37.944 INFO [stderr]    |
Nov 30 08:01:37.944 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:01:37.944 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:37.944 INFO [stderr] 
Nov 30 08:01:37.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:37.944 INFO [stderr]   --> src/main.rs:73:5
Nov 30 08:01:37.944 INFO [stderr]    |
Nov 30 08:01:37.945 INFO [stderr] 73 |     _sender_handle.unwrap().join();
Nov 30 08:01:37.945 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:37.945 INFO [stderr]    |
Nov 30 08:01:37.945 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:37.945 INFO [stderr] 
Nov 30 08:01:37.945 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:37.945 INFO [stderr]   --> src/main.rs:74:5
Nov 30 08:01:37.945 INFO [stderr]    |
Nov 30 08:01:37.945 INFO [stderr] 74 |     _listener_handle.unwrap().join();
Nov 30 08:01:37.945 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:37.945 INFO [stderr]    |
Nov 30 08:01:37.945 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:37.945 INFO [stderr] 
Nov 30 08:01:37.985 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Nov 30 08:01:37.988 INFO [stderr] su: No module specific data is present
Nov 30 08:01:38.755 INFO running `"docker" "inspect" "7c5a29c2318851b5f712479548c6fbea17faa9288adf0e70cae18de64b200cff"`
Nov 30 08:01:38.944 INFO running `"docker" "rm" "-f" "7c5a29c2318851b5f712479548c6fbea17faa9288adf0e70cae18de64b200cff"`
Nov 30 08:01:39.292 INFO [stdout] 7c5a29c2318851b5f712479548c6fbea17faa9288adf0e70cae18de64b200cff