Dec 05 15:02:02.201 INFO testing mattyw/rust-udp-play against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 15:02:02.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 05 15:02:02.795 INFO [stdout] ebda6b1a3b69106869fca43ff4d4c779ad721014be1debf7edf7e861dbe7ce73
Dec 05 15:02:02.800 INFO running `"docker" "start" "-a" "ebda6b1a3b69106869fca43ff4d4c779ad721014be1debf7edf7e861dbe7ce73"`
Dec 05 15:02:04.128 INFO [stderr] usermod: no changes
Dec 05 15:02:04.184 INFO [stderr]    Compiling hello v0.1.0 (/source)
Dec 05 15:02:04.507 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 05 15:02:04.507 INFO [stderr]  --> src/main.rs:3:23
Dec 05 15:02:04.507 INFO [stderr]   |
Dec 05 15:02:04.508 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 05 15:02:04.508 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 05 15:02:04.508 INFO [stderr]   |
Dec 05 15:02:04.508 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:02:04.509 INFO [stderr] 
Dec 05 15:02:04.509 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 05 15:02:04.509 INFO [stderr]  --> src/main.rs:4:5
Dec 05 15:02:04.509 INFO [stderr]   |
Dec 05 15:02:04.509 INFO [stderr] 4 | use std::sync::mpsc;
Dec 05 15:02:04.509 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 15:02:04.516 INFO [stderr] 
Dec 05 15:02:04.557 INFO [stderr] warning: unused variable: `i`
Dec 05 15:02:04.557 INFO [stderr]   --> src/main.rs:38:9
Dec 05 15:02:04.558 INFO [stderr]    |
Dec 05 15:02:04.558 INFO [stderr] 38 |     for i in 0..50 {
Dec 05 15:02:04.558 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 05 15:02:04.559 INFO [stderr]    |
Dec 05 15:02:04.559 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:02:04.559 INFO [stderr] 
Dec 05 15:02:04.560 INFO [stderr] warning: unused variable: `listen_on`
Dec 05 15:02:04.560 INFO [stderr]   --> src/main.rs:37:52
Dec 05 15:02:04.560 INFO [stderr]    |
Dec 05 15:02:04.560 INFO [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Dec 05 15:02:04.560 INFO [stderr]    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Dec 05 15:02:04.563 INFO [stderr] 
Dec 05 15:02:04.563 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:02:04.564 INFO [stderr]  --> src/main.rs:8:9
Dec 05 15:02:04.564 INFO [stderr]   |
Dec 05 15:02:04.564 INFO [stderr] 8 |     let mut socket;
Dec 05 15:02:04.564 INFO [stderr]   |         ----^^^^^^
Dec 05 15:02:04.565 INFO [stderr]   |         |
Dec 05 15:02:04.565 INFO [stderr]   |         help: remove this `mut`
Dec 05 15:02:04.565 INFO [stderr]   |
Dec 05 15:02:04.565 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 15:02:04.566 INFO [stderr] 
Dec 05 15:02:04.574 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:02:04.574 INFO [stderr]   --> src/main.rs:44:5
Dec 05 15:02:04.575 INFO [stderr]    |
Dec 05 15:02:04.575 INFO [stderr] 44 |     sock.send_to(&msg, addr);
Dec 05 15:02:04.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:02:04.575 INFO [stderr]    |
Dec 05 15:02:04.576 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 15:02:04.576 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:02:04.576 INFO [stderr] 
Dec 05 15:02:05.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 05 15:02:05.255 INFO [stderr] su: No module specific data is present
Dec 05 15:02:06.181 INFO running `"docker" "inspect" "ebda6b1a3b69106869fca43ff4d4c779ad721014be1debf7edf7e861dbe7ce73"`
Dec 05 15:02:06.414 INFO running `"docker" "rm" "-f" "ebda6b1a3b69106869fca43ff4d4c779ad721014be1debf7edf7e861dbe7ce73"`
Dec 05 15:02:06.740 INFO [stdout] ebda6b1a3b69106869fca43ff4d4c779ad721014be1debf7edf7e861dbe7ce73
Dec 05 15:02:06.742 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 05 15:02:07.304 INFO [stdout] 1ff3208f7aafd84099029601f18f7c34c226e66a58c9785c86a74c42ee274f94
Dec 05 15:02:07.308 INFO running `"docker" "start" "-a" "1ff3208f7aafd84099029601f18f7c34c226e66a58c9785c86a74c42ee274f94"`
Dec 05 15:02:08.544 INFO [stderr] usermod: no changes
Dec 05 15:02:08.604 INFO [stderr]    Compiling hello v0.1.0 (/source)
Dec 05 15:02:08.957 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 05 15:02:08.957 INFO [stderr]  --> src/main.rs:3:23
Dec 05 15:02:08.957 INFO [stderr]   |
Dec 05 15:02:08.957 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 05 15:02:08.957 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 05 15:02:08.957 INFO [stderr]   |
Dec 05 15:02:08.957 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:02:08.957 INFO [stderr] 
Dec 05 15:02:08.957 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 05 15:02:08.957 INFO [stderr]  --> src/main.rs:4:5
Dec 05 15:02:08.957 INFO [stderr]   |
Dec 05 15:02:08.957 INFO [stderr] 4 | use std::sync::mpsc;
Dec 05 15:02:08.957 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 15:02:08.957 INFO [stderr] 
Dec 05 15:02:09.015 INFO [stderr] warning: unused variable: `i`
Dec 05 15:02:09.015 INFO [stderr]   --> src/main.rs:38:9
Dec 05 15:02:09.015 INFO [stderr]    |
Dec 05 15:02:09.015 INFO [stderr] 38 |     for i in 0..50 {
Dec 05 15:02:09.015 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 05 15:02:09.015 INFO [stderr]    |
Dec 05 15:02:09.015 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:02:09.015 INFO [stderr] 
Dec 05 15:02:09.015 INFO [stderr] warning: unused variable: `listen_on`
Dec 05 15:02:09.015 INFO [stderr]   --> src/main.rs:37:52
Dec 05 15:02:09.015 INFO [stderr]    |
Dec 05 15:02:09.015 INFO [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Dec 05 15:02:09.015 INFO [stderr]    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Dec 05 15:02:09.015 INFO [stderr] 
Dec 05 15:02:09.018 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:02:09.018 INFO [stderr]  --> src/main.rs:8:9
Dec 05 15:02:09.018 INFO [stderr]   |
Dec 05 15:02:09.018 INFO [stderr] 8 |     let mut socket;
Dec 05 15:02:09.018 INFO [stderr]   |         ----^^^^^^
Dec 05 15:02:09.018 INFO [stderr]   |         |
Dec 05 15:02:09.018 INFO [stderr]   |         help: remove this `mut`
Dec 05 15:02:09.018 INFO [stderr]   |
Dec 05 15:02:09.018 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 15:02:09.018 INFO [stderr] 
Dec 05 15:02:09.026 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:02:09.026 INFO [stderr]   --> src/main.rs:44:5
Dec 05 15:02:09.026 INFO [stderr]    |
Dec 05 15:02:09.026 INFO [stderr] 44 |     sock.send_to(&msg, addr);
Dec 05 15:02:09.026 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:02:09.026 INFO [stderr]    |
Dec 05 15:02:09.026 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 15:02:09.026 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:02:09.026 INFO [stderr] 
Dec 05 15:02:09.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 05 15:02:09.584 INFO [stderr] su: No module specific data is present
Dec 05 15:02:11.010 INFO running `"docker" "inspect" "1ff3208f7aafd84099029601f18f7c34c226e66a58c9785c86a74c42ee274f94"`
Dec 05 15:02:11.364 INFO running `"docker" "rm" "-f" "1ff3208f7aafd84099029601f18f7c34c226e66a58c9785c86a74c42ee274f94"`
Dec 05 15:02:11.641 INFO [stdout] 1ff3208f7aafd84099029601f18f7c34c226e66a58c9785c86a74c42ee274f94
Dec 05 15:02:11.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 05 15:02:12.284 INFO [stdout] 2f1943fbc38a330fe69f166eeb066a85c57fa673b1694385289fff465047c776
Dec 05 15:02:12.286 INFO running `"docker" "start" "-a" "2f1943fbc38a330fe69f166eeb066a85c57fa673b1694385289fff465047c776"`
Dec 05 15:02:13.860 INFO [stderr] usermod: no changes
Dec 05 15:02:13.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 05 15:02:13.928 INFO [stderr]      Running /target/debug/deps/hello-ec882516d5e8ed20
Dec 05 15:02:13.936 INFO [stderr] su: No module specific data is present
Dec 05 15:02:13.936 INFO [stdout] 
Dec 05 15:02:13.936 INFO [stdout] running 0 tests
Dec 05 15:02:13.936 INFO [stdout] 
Dec 05 15:02:13.936 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 15:02:13.936 INFO [stdout] 
Dec 05 15:02:15.080 INFO running `"docker" "inspect" "2f1943fbc38a330fe69f166eeb066a85c57fa673b1694385289fff465047c776"`
Dec 05 15:02:15.456 INFO running `"docker" "rm" "-f" "2f1943fbc38a330fe69f166eeb066a85c57fa673b1694385289fff465047c776"`
Dec 05 15:02:15.808 INFO [stdout] 2f1943fbc38a330fe69f166eeb066a85c57fa673b1694385289fff465047c776