Dec 05 02:56:01.924 INFO checking Damezuma/rs-simple-udp-echo against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:56:01.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 02:56:02.304 INFO [stdout] 54841a9f5fb67a14181cd5b6e8f1327705bc7e0d499884240b7a1f6251639360
Dec 05 02:56:02.309 INFO running `"docker" "start" "-a" "54841a9f5fb67a14181cd5b6e8f1327705bc7e0d499884240b7a1f6251639360"`
Dec 05 02:56:02.791 INFO [stderr] usermod: no changes
Dec 05 02:56:02.823 INFO [stderr]     Checking arguments v0.1.0 (/source)
Dec 05 02:56:03.199 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 05 02:56:03.199 INFO [stderr]  --> src/client/mod.rs:1:5
Dec 05 02:56:03.199 INFO [stderr]   |
Dec 05 02:56:03.199 INFO [stderr] 1 | use std::net::Ipv4Addr;
Dec 05 02:56:03.199 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.199 INFO [stderr]   |
Dec 05 02:56:03.199 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:56:03.199 INFO [stderr] 
Dec 05 02:56:03.199 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 05 02:56:03.199 INFO [stderr]  --> src/server/mod.rs:1:5
Dec 05 02:56:03.199 INFO [stderr]   |
Dec 05 02:56:03.199 INFO [stderr] 1 | use std::net::Ipv4Addr;
Dec 05 02:56:03.199 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.199 INFO [stderr] 
Dec 05 02:56:03.267 INFO [stderr] warning: unused variable: `a`
Dec 05 02:56:03.267 INFO [stderr]   --> src/client/mod.rs:25:24
Dec 05 02:56:03.267 INFO [stderr]    |
Dec 05 02:56:03.267 INFO [stderr] 25 |                 Ok((s, a))=>{
Dec 05 02:56:03.267 INFO [stderr]    |                        ^ help: consider using `_a` instead
Dec 05 02:56:03.267 INFO [stderr]    |
Dec 05 02:56:03.267 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:56:03.267 INFO [stderr] 
Dec 05 02:56:03.281 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.281 INFO [stderr]   --> src/client/mod.rs:18:9
Dec 05 02:56:03.281 INFO [stderr]    |
Dec 05 02:56:03.281 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Dec 05 02:56:03.281 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.281 INFO [stderr]    |
Dec 05 02:56:03.281 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 02:56:03.282 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.282 INFO [stderr] 
Dec 05 02:56:03.282 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.282 INFO [stderr]   --> src/server/mod.rs:20:17
Dec 05 02:56:03.282 INFO [stderr]    |
Dec 05 02:56:03.282 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Dec 05 02:56:03.282 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.282 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.287 INFO [stderr] 
Dec 05 02:56:03.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.287 INFO [stderr]   --> src/main.rs:18:9
Dec 05 02:56:03.287 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr] 18 |         server.recv();
Dec 05 02:56:03.287 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 02:56:03.287 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.287 INFO [stderr] 
Dec 05 02:56:03.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.287 INFO [stderr]   --> src/main.rs:39:5
Dec 05 02:56:03.287 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Dec 05 02:56:03.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.287 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.287 INFO [stderr] 
Dec 05 02:56:03.287 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.287 INFO [stderr]   --> src/main.rs:40:5
Dec 05 02:56:03.287 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Dec 05 02:56:03.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.287 INFO [stderr]    |
Dec 05 02:56:03.287 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.287 INFO [stderr] 
Dec 05 02:56:03.362 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 05 02:56:03.362 INFO [stderr]  --> src/client/mod.rs:1:5
Dec 05 02:56:03.362 INFO [stderr]   |
Dec 05 02:56:03.362 INFO [stderr] 1 | use std::net::Ipv4Addr;
Dec 05 02:56:03.362 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.362 INFO [stderr]   |
Dec 05 02:56:03.362 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:56:03.362 INFO [stderr] 
Dec 05 02:56:03.362 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 05 02:56:03.362 INFO [stderr]  --> src/server/mod.rs:1:5
Dec 05 02:56:03.362 INFO [stderr]   |
Dec 05 02:56:03.362 INFO [stderr] 1 | use std::net::Ipv4Addr;
Dec 05 02:56:03.362 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.363 INFO [stderr] 
Dec 05 02:56:03.447 INFO [stderr] warning: unused variable: `a`
Dec 05 02:56:03.447 INFO [stderr]   --> src/client/mod.rs:25:24
Dec 05 02:56:03.447 INFO [stderr]    |
Dec 05 02:56:03.447 INFO [stderr] 25 |                 Ok((s, a))=>{
Dec 05 02:56:03.447 INFO [stderr]    |                        ^ help: consider using `_a` instead
Dec 05 02:56:03.447 INFO [stderr]    |
Dec 05 02:56:03.447 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:56:03.447 INFO [stderr] 
Dec 05 02:56:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.463 INFO [stderr]   --> src/client/mod.rs:18:9
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Dec 05 02:56:03.463 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 02:56:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.463 INFO [stderr] 
Dec 05 02:56:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.463 INFO [stderr]   --> src/server/mod.rs:20:17
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Dec 05 02:56:03.463 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.463 INFO [stderr] 
Dec 05 02:56:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.463 INFO [stderr]   --> src/main.rs:18:9
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr] 18 |         server.recv();
Dec 05 02:56:03.463 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.463 INFO [stderr] 
Dec 05 02:56:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.463 INFO [stderr]   --> src/main.rs:39:5
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Dec 05 02:56:03.463 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.463 INFO [stderr] 
Dec 05 02:56:03.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:56:03.463 INFO [stderr]   --> src/main.rs:40:5
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Dec 05 02:56:03.463 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:03.463 INFO [stderr]    |
Dec 05 02:56:03.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:56:03.463 INFO [stderr] 
Dec 05 02:56:03.482 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 05 02:56:03.489 INFO [stderr] su: No module specific data is present
Dec 05 02:56:04.148 INFO running `"docker" "inspect" "54841a9f5fb67a14181cd5b6e8f1327705bc7e0d499884240b7a1f6251639360"`
Dec 05 02:56:04.432 INFO running `"docker" "rm" "-f" "54841a9f5fb67a14181cd5b6e8f1327705bc7e0d499884240b7a1f6251639360"`
Dec 05 02:56:04.657 INFO [stdout] 54841a9f5fb67a14181cd5b6e8f1327705bc7e0d499884240b7a1f6251639360