Nov 29 22:36:31.321 INFO checking mattyw/rust-udp-play against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 22:36:31.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 29 22:36:31.742 INFO [stdout] 22b70a4853d1c1bd5e3ff5c68145185dcb8e83a52a85cf33a802f34887d1f2fe
Nov 29 22:36:31.746 INFO running `"docker" "start" "-a" "22b70a4853d1c1bd5e3ff5c68145185dcb8e83a52a85cf33a802f34887d1f2fe"`
Nov 29 22:36:33.235 INFO [stderr] usermod: no changes
Nov 29 22:36:33.295 INFO [stderr]     Checking hello v0.1.0 (/source)
Nov 29 22:36:33.620 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 29 22:36:33.620 INFO [stderr]  --> src/main.rs:3:23
Nov 29 22:36:33.620 INFO [stderr]   |
Nov 29 22:36:33.620 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Nov 29 22:36:33.620 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Nov 29 22:36:33.620 INFO [stderr]   |
Nov 29 22:36:33.620 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 22:36:33.620 INFO [stderr] 
Nov 29 22:36:33.620 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 29 22:36:33.620 INFO [stderr]  --> src/main.rs:4:5
Nov 29 22:36:33.620 INFO [stderr]   |
Nov 29 22:36:33.620 INFO [stderr] 4 | use std::sync::mpsc;
Nov 29 22:36:33.620 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 22:36:33.620 INFO [stderr] 
Nov 29 22:36:33.644 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 29 22:36:33.644 INFO [stderr]  --> src/main.rs:3:23
Nov 29 22:36:33.644 INFO [stderr]   |
Nov 29 22:36:33.644 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Nov 29 22:36:33.644 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Nov 29 22:36:33.644 INFO [stderr]   |
Nov 29 22:36:33.644 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 22:36:33.644 INFO [stderr] 
Nov 29 22:36:33.644 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 29 22:36:33.644 INFO [stderr]  --> src/main.rs:4:5
Nov 29 22:36:33.644 INFO [stderr]   |
Nov 29 22:36:33.644 INFO [stderr] 4 | use std::sync::mpsc;
Nov 29 22:36:33.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 22:36:33.644 INFO [stderr] 
Nov 29 22:36:33.720 INFO [stderr] warning: unused variable: `i`
Nov 29 22:36:33.720 INFO [stderr]   --> src/main.rs:38:9
Nov 29 22:36:33.720 INFO [stderr]    |
Nov 29 22:36:33.720 INFO [stderr] 38 |     for i in 0..50 {
Nov 29 22:36:33.720 INFO [stderr]    |         ^ help: consider using `_i` instead
Nov 29 22:36:33.720 INFO [stderr]    |
Nov 29 22:36:33.720 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 22:36:33.720 INFO [stderr] 
Nov 29 22:36:33.720 INFO [stderr] warning: unused variable: `listen_on`
Nov 29 22:36:33.720 INFO [stderr]   --> src/main.rs:37:52
Nov 29 22:36:33.720 INFO [stderr]    |
Nov 29 22:36:33.720 INFO [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Nov 29 22:36:33.720 INFO [stderr]    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Nov 29 22:36:33.720 INFO [stderr] 
Nov 29 22:36:33.720 INFO [stderr] warning: variable does not need to be mutable
Nov 29 22:36:33.720 INFO [stderr]  --> src/main.rs:8:9
Nov 29 22:36:33.720 INFO [stderr]   |
Nov 29 22:36:33.720 INFO [stderr] 8 |     let mut socket;
Nov 29 22:36:33.720 INFO [stderr]   |         ----^^^^^^
Nov 29 22:36:33.721 INFO [stderr]   |         |
Nov 29 22:36:33.721 INFO [stderr]   |         help: remove this `mut`
Nov 29 22:36:33.721 INFO [stderr]   |
Nov 29 22:36:33.721 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 29 22:36:33.721 INFO [stderr] 
Nov 29 22:36:33.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:36:33.736 INFO [stderr]   --> src/main.rs:44:5
Nov 29 22:36:33.736 INFO [stderr]    |
Nov 29 22:36:33.736 INFO [stderr] 44 |     sock.send_to(&msg, addr);
Nov 29 22:36:33.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 22:36:33.736 INFO [stderr]    |
Nov 29 22:36:33.736 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 22:36:33.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:36:33.737 INFO [stderr] 
Nov 29 22:36:33.844 INFO [stderr] warning: unused variable: `i`
Nov 29 22:36:33.844 INFO [stderr]   --> src/main.rs:38:9
Nov 29 22:36:33.844 INFO [stderr]    |
Nov 29 22:36:33.844 INFO [stderr] 38 |     for i in 0..50 {
Nov 29 22:36:33.844 INFO [stderr]    |         ^ help: consider using `_i` instead
Nov 29 22:36:33.844 INFO [stderr]    |
Nov 29 22:36:33.844 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 22:36:33.844 INFO [stderr] 
Nov 29 22:36:33.844 INFO [stderr] warning: unused variable: `listen_on`
Nov 29 22:36:33.844 INFO [stderr]   --> src/main.rs:37:52
Nov 29 22:36:33.844 INFO [stderr]    |
Nov 29 22:36:33.844 INFO [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Nov 29 22:36:33.844 INFO [stderr]    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Nov 29 22:36:33.844 INFO [stderr] 
Nov 29 22:36:33.844 INFO [stderr] warning: variable does not need to be mutable
Nov 29 22:36:33.844 INFO [stderr]  --> src/main.rs:8:9
Nov 29 22:36:33.844 INFO [stderr]   |
Nov 29 22:36:33.844 INFO [stderr] 8 |     let mut socket;
Nov 29 22:36:33.844 INFO [stderr]   |         ----^^^^^^
Nov 29 22:36:33.844 INFO [stderr]   |         |
Nov 29 22:36:33.844 INFO [stderr]   |         help: remove this `mut`
Nov 29 22:36:33.844 INFO [stderr]   |
Nov 29 22:36:33.844 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 29 22:36:33.844 INFO [stderr] 
Nov 29 22:36:33.867 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:36:33.867 INFO [stderr]   --> src/main.rs:44:5
Nov 29 22:36:33.867 INFO [stderr]    |
Nov 29 22:36:33.867 INFO [stderr] 44 |     sock.send_to(&msg, addr);
Nov 29 22:36:33.867 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 22:36:33.867 INFO [stderr]    |
Nov 29 22:36:33.867 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 22:36:33.867 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:36:33.867 INFO [stderr] 
Nov 29 22:36:33.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 29 22:36:33.908 INFO [stderr] su: No module specific data is present
Nov 29 22:36:35.135 INFO running `"docker" "inspect" "22b70a4853d1c1bd5e3ff5c68145185dcb8e83a52a85cf33a802f34887d1f2fe"`
Nov 29 22:36:35.434 INFO running `"docker" "rm" "-f" "22b70a4853d1c1bd5e3ff5c68145185dcb8e83a52a85cf33a802f34887d1f2fe"`
Nov 29 22:36:35.796 INFO [stdout] 22b70a4853d1c1bd5e3ff5c68145185dcb8e83a52a85cf33a802f34887d1f2fe