Dec 13 11:15:25.616 INFO testing mattyw/rust-udp-play against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 11:15:25.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 11:15:26.212 INFO [stdout] bd98c650abaca7bf7406e0e415629c8ba0f81a2434e6d3c55f932cc9be751e1f
Dec 13 11:15:26.214 INFO running `"docker" "start" "-a" "bd98c650abaca7bf7406e0e415629c8ba0f81a2434e6d3c55f932cc9be751e1f"`
Dec 13 11:15:28.130 INFO [stderr] usermod: no changes
Dec 13 11:15:28.187 INFO [stderr]    Compiling hello v0.1.0 (/source)
Dec 13 11:15:28.619 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 13 11:15:28.619 INFO [stderr]  --> src/main.rs:3:23
Dec 13 11:15:28.619 INFO [stderr]   |
Dec 13 11:15:28.619 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 13 11:15:28.619 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 13 11:15:28.619 INFO [stderr]   |
Dec 13 11:15:28.619 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 11:15:28.619 INFO [stderr] 
Dec 13 11:15:28.619 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 13 11:15:28.619 INFO [stderr]  --> src/main.rs:4:5
Dec 13 11:15:28.619 INFO [stderr]   |
Dec 13 11:15:28.619 INFO [stderr] 4 | use std::sync::mpsc;
Dec 13 11:15:28.619 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 13 11:15:28.619 INFO [stderr] 
Dec 13 11:15:28.669 INFO [stderr] warning: unused variable: `i`
Dec 13 11:15:28.669 INFO [stderr]   --> src/main.rs:38:9
Dec 13 11:15:28.669 INFO [stderr]    |
Dec 13 11:15:28.669 INFO [stderr] 38 |     for i in 0..50 {
Dec 13 11:15:28.669 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 13 11:15:28.669 INFO [stderr]    |
Dec 13 11:15:28.669 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 11:15:28.670 INFO [stderr] 
Dec 13 11:15:28.670 INFO [stderr] warning: unused variable: `listen_on`
Dec 13 11:15:28.670 INFO [stderr]   --> src/main.rs:37:52
Dec 13 11:15:28.675 INFO [stderr]    |
Dec 13 11:15:28.675 INFO [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Dec 13 11:15:28.675 INFO [stderr]    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Dec 13 11:15:28.675 INFO [stderr] 
Dec 13 11:15:28.679 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:15:28.679 INFO [stderr]  --> src/main.rs:8:9
Dec 13 11:15:28.679 INFO [stderr]   |
Dec 13 11:15:28.679 INFO [stderr] 8 |     let mut socket;
Dec 13 11:15:28.679 INFO [stderr]   |         ----^^^^^^
Dec 13 11:15:28.679 INFO [stderr]   |         |
Dec 13 11:15:28.679 INFO [stderr]   |         help: remove this `mut`
Dec 13 11:15:28.679 INFO [stderr]   |
Dec 13 11:15:28.679 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 13 11:15:28.679 INFO [stderr] 
Dec 13 11:15:28.687 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 11:15:28.687 INFO [stderr]   --> src/main.rs:44:5
Dec 13 11:15:28.687 INFO [stderr]    |
Dec 13 11:15:28.687 INFO [stderr] 44 |     sock.send_to(&msg, addr);
Dec 13 11:15:28.687 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:15:28.687 INFO [stderr]    |
Dec 13 11:15:28.687 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 11:15:28.687 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 11:15:28.687 INFO [stderr] 
Dec 13 11:15:29.393 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Dec 13 11:15:29.396 INFO [stderr] su: No module specific data is present
Dec 13 11:15:30.235 INFO running `"docker" "inspect" "bd98c650abaca7bf7406e0e415629c8ba0f81a2434e6d3c55f932cc9be751e1f"`
Dec 13 11:15:30.573 INFO running `"docker" "rm" "-f" "bd98c650abaca7bf7406e0e415629c8ba0f81a2434e6d3c55f932cc9be751e1f"`
Dec 13 11:15:30.983 INFO [stdout] bd98c650abaca7bf7406e0e415629c8ba0f81a2434e6d3c55f932cc9be751e1f
Dec 13 11:15:30.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 11:15:31.432 INFO [stdout] b06d4a721dc25ecb073796f03fdcfc1947a0d92aebbd50973bac2966480a417d
Dec 13 11:15:31.434 INFO running `"docker" "start" "-a" "b06d4a721dc25ecb073796f03fdcfc1947a0d92aebbd50973bac2966480a417d"`
Dec 13 11:15:33.012 INFO [stderr] usermod: no changes
Dec 13 11:15:33.071 INFO [stderr]    Compiling hello v0.1.0 (/source)
Dec 13 11:15:33.395 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 13 11:15:33.395 INFO [stderr]  --> src/main.rs:3:23
Dec 13 11:15:33.395 INFO [stderr]   |
Dec 13 11:15:33.395 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 13 11:15:33.395 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 13 11:15:33.395 INFO [stderr]   |
Dec 13 11:15:33.395 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 11:15:33.395 INFO [stderr] 
Dec 13 11:15:33.395 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 13 11:15:33.395 INFO [stderr]  --> src/main.rs:4:5
Dec 13 11:15:33.395 INFO [stderr]   |
Dec 13 11:15:33.395 INFO [stderr] 4 | use std::sync::mpsc;
Dec 13 11:15:33.395 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 13 11:15:33.395 INFO [stderr] 
Dec 13 11:15:33.511 INFO [stderr] warning: unused variable: `i`
Dec 13 11:15:33.511 INFO [stderr]   --> src/main.rs:38:9
Dec 13 11:15:33.511 INFO [stderr]    |
Dec 13 11:15:33.511 INFO [stderr] 38 |     for i in 0..50 {
Dec 13 11:15:33.511 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 13 11:15:33.511 INFO [stderr]    |
Dec 13 11:15:33.511 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 11:15:33.511 INFO [stderr] 
Dec 13 11:15:33.511 INFO [stderr] warning: unused variable: `listen_on`
Dec 13 11:15:33.511 INFO [stderr]   --> src/main.rs:37:52
Dec 13 11:15:33.511 INFO [stderr]    |
Dec 13 11:15:33.511 INFO [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Dec 13 11:15:33.511 INFO [stderr]    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Dec 13 11:15:33.511 INFO [stderr] 
Dec 13 11:15:33.511 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:15:33.511 INFO [stderr]  --> src/main.rs:8:9
Dec 13 11:15:33.511 INFO [stderr]   |
Dec 13 11:15:33.511 INFO [stderr] 8 |     let mut socket;
Dec 13 11:15:33.511 INFO [stderr]   |         ----^^^^^^
Dec 13 11:15:33.511 INFO [stderr]   |         |
Dec 13 11:15:33.511 INFO [stderr]   |         help: remove this `mut`
Dec 13 11:15:33.511 INFO [stderr]   |
Dec 13 11:15:33.511 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 13 11:15:33.511 INFO [stderr] 
Dec 13 11:15:33.511 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 11:15:33.511 INFO [stderr]   --> src/main.rs:44:5
Dec 13 11:15:33.511 INFO [stderr]    |
Dec 13 11:15:33.511 INFO [stderr] 44 |     sock.send_to(&msg, addr);
Dec 13 11:15:33.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:15:33.511 INFO [stderr]    |
Dec 13 11:15:33.511 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 11:15:33.511 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 11:15:33.511 INFO [stderr] 
Dec 13 11:15:33.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Dec 13 11:15:33.927 INFO [stderr] su: No module specific data is present
Dec 13 11:15:35.051 INFO running `"docker" "inspect" "b06d4a721dc25ecb073796f03fdcfc1947a0d92aebbd50973bac2966480a417d"`
Dec 13 11:15:35.451 INFO running `"docker" "rm" "-f" "b06d4a721dc25ecb073796f03fdcfc1947a0d92aebbd50973bac2966480a417d"`
Dec 13 11:15:35.729 INFO [stdout] b06d4a721dc25ecb073796f03fdcfc1947a0d92aebbd50973bac2966480a417d
Dec 13 11:15:35.733 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 11:15:36.396 INFO [stdout] 517e098448cdae5849d150e66eaf8ad1b170ba706f5db4db4139e2645131abb1
Dec 13 11:15:36.398 INFO running `"docker" "start" "-a" "517e098448cdae5849d150e66eaf8ad1b170ba706f5db4db4139e2645131abb1"`
Dec 13 11:15:39.278 INFO [stderr] usermod: no changes
Dec 13 11:15:39.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 13 11:15:39.383 INFO [stderr]      Running /target/debug/deps/hello-129a99fc5d3b80cc
Dec 13 11:15:39.385 INFO [stdout] 
Dec 13 11:15:39.385 INFO [stdout] running 0 tests
Dec 13 11:15:39.385 INFO [stdout] 
Dec 13 11:15:39.385 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 11:15:39.385 INFO [stdout] 
Dec 13 11:15:39.389 INFO [stderr] su: No module specific data is present
Dec 13 11:15:40.568 INFO running `"docker" "inspect" "517e098448cdae5849d150e66eaf8ad1b170ba706f5db4db4139e2645131abb1"`
Dec 13 11:15:40.911 INFO running `"docker" "rm" "-f" "517e098448cdae5849d150e66eaf8ad1b170ba706f5db4db4139e2645131abb1"`
Dec 13 11:15:41.215 INFO [stdout] 517e098448cdae5849d150e66eaf8ad1b170ba706f5db4db4139e2645131abb1