Nov 30 11:32:03.801 INFO checking Damezuma/rs-simple-udp-echo against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:32:03.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11:32:04.059 INFO [stdout] ba2b3f8d5a7f0d5d60e9524da694300aa3087519d4dbe76d2370aeb5114d635b
Nov 30 11:32:04.065 INFO running `"docker" "start" "-a" "ba2b3f8d5a7f0d5d60e9524da694300aa3087519d4dbe76d2370aeb5114d635b"`
Nov 30 11:32:04.704 INFO [stderr] usermod: no changes
Nov 30 11:32:04.752 INFO [stderr]     Checking arguments v0.1.0 (/source)
Nov 30 11:32:05.121 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 30 11:32:05.121 INFO [stderr]  --> src/client/mod.rs:1:5
Nov 30 11:32:05.121 INFO [stderr]   |
Nov 30 11:32:05.121 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 30 11:32:05.121 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.121 INFO [stderr]   |
Nov 30 11:32:05.121 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 11:32:05.121 INFO [stderr] 
Nov 30 11:32:05.121 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 30 11:32:05.121 INFO [stderr]  --> src/server/mod.rs:1:5
Nov 30 11:32:05.121 INFO [stderr]   |
Nov 30 11:32:05.121 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 30 11:32:05.121 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.121 INFO [stderr] 
Nov 30 11:32:05.216 INFO [stderr] warning: unused variable: `a`
Nov 30 11:32:05.216 INFO [stderr]   --> src/client/mod.rs:25:24
Nov 30 11:32:05.216 INFO [stderr]    |
Nov 30 11:32:05.216 INFO [stderr] 25 |                 Ok((s, a))=>{
Nov 30 11:32:05.216 INFO [stderr]    |                        ^ help: consider using `_a` instead
Nov 30 11:32:05.216 INFO [stderr]    |
Nov 30 11:32:05.216 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:32:05.216 INFO [stderr] 
Nov 30 11:32:05.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.236 INFO [stderr]   --> src/client/mod.rs:18:9
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Nov 30 11:32:05.236 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 11:32:05.236 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.236 INFO [stderr] 
Nov 30 11:32:05.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.236 INFO [stderr]   --> src/server/mod.rs:20:17
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Nov 30 11:32:05.236 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.236 INFO [stderr] 
Nov 30 11:32:05.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.236 INFO [stderr]   --> src/main.rs:18:9
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr] 18 |         server.recv();
Nov 30 11:32:05.236 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.236 INFO [stderr] 
Nov 30 11:32:05.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.236 INFO [stderr]   --> src/main.rs:39:5
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Nov 30 11:32:05.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.236 INFO [stderr] 
Nov 30 11:32:05.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.236 INFO [stderr]   --> src/main.rs:40:5
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Nov 30 11:32:05.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.236 INFO [stderr]    |
Nov 30 11:32:05.236 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.236 INFO [stderr] 
Nov 30 11:32:05.248 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 30 11:32:05.248 INFO [stderr]  --> src/client/mod.rs:1:5
Nov 30 11:32:05.248 INFO [stderr]   |
Nov 30 11:32:05.248 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 30 11:32:05.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.248 INFO [stderr]   |
Nov 30 11:32:05.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 11:32:05.248 INFO [stderr] 
Nov 30 11:32:05.248 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 30 11:32:05.248 INFO [stderr]  --> src/server/mod.rs:1:5
Nov 30 11:32:05.248 INFO [stderr]   |
Nov 30 11:32:05.248 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 30 11:32:05.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.248 INFO [stderr] 
Nov 30 11:32:05.313 INFO [stderr] warning: unused variable: `a`
Nov 30 11:32:05.313 INFO [stderr]   --> src/client/mod.rs:25:24
Nov 30 11:32:05.313 INFO [stderr]    |
Nov 30 11:32:05.313 INFO [stderr] 25 |                 Ok((s, a))=>{
Nov 30 11:32:05.313 INFO [stderr]    |                        ^ help: consider using `_a` instead
Nov 30 11:32:05.313 INFO [stderr]    |
Nov 30 11:32:05.313 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:32:05.313 INFO [stderr] 
Nov 30 11:32:05.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.328 INFO [stderr]   --> src/client/mod.rs:18:9
Nov 30 11:32:05.328 INFO [stderr]    |
Nov 30 11:32:05.328 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Nov 30 11:32:05.328 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.328 INFO [stderr]    |
Nov 30 11:32:05.328 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 11:32:05.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.328 INFO [stderr] 
Nov 30 11:32:05.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.328 INFO [stderr]   --> src/server/mod.rs:20:17
Nov 30 11:32:05.328 INFO [stderr]    |
Nov 30 11:32:05.328 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Nov 30 11:32:05.328 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.328 INFO [stderr]    |
Nov 30 11:32:05.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.328 INFO [stderr] 
Nov 30 11:32:05.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.328 INFO [stderr]   --> src/main.rs:18:9
Nov 30 11:32:05.328 INFO [stderr]    |
Nov 30 11:32:05.329 INFO [stderr] 18 |         server.recv();
Nov 30 11:32:05.329 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 30 11:32:05.329 INFO [stderr]    |
Nov 30 11:32:05.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.329 INFO [stderr] 
Nov 30 11:32:05.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.329 INFO [stderr]   --> src/main.rs:39:5
Nov 30 11:32:05.329 INFO [stderr]    |
Nov 30 11:32:05.329 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Nov 30 11:32:05.329 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.329 INFO [stderr]    |
Nov 30 11:32:05.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.329 INFO [stderr] 
Nov 30 11:32:05.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:32:05.329 INFO [stderr]   --> src/main.rs:40:5
Nov 30 11:32:05.329 INFO [stderr]    |
Nov 30 11:32:05.329 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Nov 30 11:32:05.329 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:05.329 INFO [stderr]    |
Nov 30 11:32:05.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:32:05.329 INFO [stderr] 
Nov 30 11:32:05.365 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 30 11:32:05.367 INFO [stderr] su: No module specific data is present
Nov 30 11:32:05.941 INFO running `"docker" "inspect" "ba2b3f8d5a7f0d5d60e9524da694300aa3087519d4dbe76d2370aeb5114d635b"`
Nov 30 11:32:06.116 INFO running `"docker" "rm" "-f" "ba2b3f8d5a7f0d5d60e9524da694300aa3087519d4dbe76d2370aeb5114d635b"`
Nov 30 11:32:06.248 INFO [stdout] ba2b3f8d5a7f0d5d60e9524da694300aa3087519d4dbe76d2370aeb5114d635b