Oct 27 00:50:41.106 INFO checking mattyw/rust-udp-play against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 00:50:41.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 00:50:41.571 INFO blam! 8f71492b0ab7a4ce08a7d632d9c208b74a990eb9805ebb2e8d670f98cb4a76c9
Oct 27 00:50:41.575 INFO running `"docker" "start" "-a" "8f71492b0ab7a4ce08a7d632d9c208b74a990eb9805ebb2e8d670f98cb4a76c9"`
Oct 27 00:50:42.958 INFO kablam! usermod: no changes
Oct 27 00:50:43.069 INFO kablam!     Checking hello v0.1.0 (/source)
Oct 27 00:50:43.423 INFO kablam! warning: unused imports: `Receiver`, `Sender`
Oct 27 00:50:43.423 INFO kablam!  --> src/main.rs:3:23
Oct 27 00:50:43.423 INFO kablam!   |
Oct 27 00:50:43.423 INFO kablam! 3 | use std::sync::mpsc::{Sender, Receiver};
Oct 27 00:50:43.423 INFO kablam!   |                       ^^^^^^  ^^^^^^^^
Oct 27 00:50:43.423 INFO kablam!   |
Oct 27 00:50:43.423 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 00:50:43.423 INFO kablam! 
Oct 27 00:50:43.423 INFO kablam! warning: unused import: `std::sync::mpsc`
Oct 27 00:50:43.423 INFO kablam!  --> src/main.rs:4:5
Oct 27 00:50:43.423 INFO kablam!   |
Oct 27 00:50:43.423 INFO kablam! 4 | use std::sync::mpsc;
Oct 27 00:50:43.423 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 00:50:43.423 INFO kablam! 
Oct 27 00:50:43.551 INFO kablam! warning: unused variable: `i`
Oct 27 00:50:43.551 INFO kablam!   --> src/main.rs:38:9
Oct 27 00:50:43.551 INFO kablam!    |
Oct 27 00:50:43.551 INFO kablam! 38 |     for i in 0..50 {
Oct 27 00:50:43.551 INFO kablam!    |         ^ help: consider using `_i` instead
Oct 27 00:50:43.551 INFO kablam!    |
Oct 27 00:50:43.551 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 00:50:43.551 INFO kablam! 
Oct 27 00:50:43.551 INFO kablam! warning: unused variable: `listen_on`
Oct 27 00:50:43.551 INFO kablam!   --> src/main.rs:37:52
Oct 27 00:50:43.551 INFO kablam!    |
Oct 27 00:50:43.551 INFO kablam! 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Oct 27 00:50:43.551 INFO kablam!    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Oct 27 00:50:43.551 INFO kablam! 
Oct 27 00:50:43.559 INFO kablam! warning: variable does not need to be mutable
Oct 27 00:50:43.559 INFO kablam!  --> src/main.rs:8:9
Oct 27 00:50:43.559 INFO kablam!   |
Oct 27 00:50:43.559 INFO kablam! 8 |     let mut socket;
Oct 27 00:50:43.559 INFO kablam!   |         ----^^^^^^
Oct 27 00:50:43.559 INFO kablam!   |         |
Oct 27 00:50:43.559 INFO kablam!   |         help: remove this `mut`
Oct 27 00:50:43.559 INFO kablam!   |
Oct 27 00:50:43.559 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 27 00:50:43.559 INFO kablam! 
Oct 27 00:50:43.575 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 00:50:43.575 INFO kablam!   --> src/main.rs:44:5
Oct 27 00:50:43.575 INFO kablam!    |
Oct 27 00:50:43.575 INFO kablam! 44 |     sock.send_to(&msg, addr);
Oct 27 00:50:43.575 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:50:43.575 INFO kablam!    |
Oct 27 00:50:43.575 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 00:50:43.575 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 00:50:43.575 INFO kablam! 
Oct 27 00:50:43.675 INFO kablam! warning: unused imports: `Receiver`, `Sender`
Oct 27 00:50:43.675 INFO kablam!  --> src/main.rs:3:23
Oct 27 00:50:43.675 INFO kablam!   |
Oct 27 00:50:43.675 INFO kablam! 3 | use std::sync::mpsc::{Sender, Receiver};
Oct 27 00:50:43.675 INFO kablam!   |                       ^^^^^^  ^^^^^^^^
Oct 27 00:50:43.675 INFO kablam!   |
Oct 27 00:50:43.675 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 00:50:43.675 INFO kablam! 
Oct 27 00:50:43.675 INFO kablam! warning: unused import: `std::sync::mpsc`
Oct 27 00:50:43.675 INFO kablam!  --> src/main.rs:4:5
Oct 27 00:50:43.675 INFO kablam!   |
Oct 27 00:50:43.675 INFO kablam! 4 | use std::sync::mpsc;
Oct 27 00:50:43.675 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 00:50:43.675 INFO kablam! 
Oct 27 00:50:43.747 INFO kablam! warning: unused variable: `i`
Oct 27 00:50:43.747 INFO kablam!   --> src/main.rs:38:9
Oct 27 00:50:43.747 INFO kablam!    |
Oct 27 00:50:43.747 INFO kablam! 38 |     for i in 0..50 {
Oct 27 00:50:43.747 INFO kablam!    |         ^ help: consider using `_i` instead
Oct 27 00:50:43.747 INFO kablam!    |
Oct 27 00:50:43.747 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 00:50:43.747 INFO kablam! 
Oct 27 00:50:43.747 INFO kablam! warning: unused variable: `listen_on`
Oct 27 00:50:43.747 INFO kablam!   --> src/main.rs:37:52
Oct 27 00:50:43.747 INFO kablam!    |
Oct 27 00:50:43.747 INFO kablam! 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) {
Oct 27 00:50:43.747 INFO kablam!    |                                                    ^^^^^^^^^ help: consider using `_listen_on` instead
Oct 27 00:50:43.747 INFO kablam! 
Oct 27 00:50:43.750 INFO kablam! warning: variable does not need to be mutable
Oct 27 00:50:43.750 INFO kablam!  --> src/main.rs:8:9
Oct 27 00:50:43.750 INFO kablam!   |
Oct 27 00:50:43.750 INFO kablam! 8 |     let mut socket;
Oct 27 00:50:43.750 INFO kablam!   |         ----^^^^^^
Oct 27 00:50:43.750 INFO kablam!   |         |
Oct 27 00:50:43.750 INFO kablam!   |         help: remove this `mut`
Oct 27 00:50:43.750 INFO kablam!   |
Oct 27 00:50:43.750 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 27 00:50:43.750 INFO kablam! 
Oct 27 00:50:43.756 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 00:50:43.756 INFO kablam!   --> src/main.rs:44:5
Oct 27 00:50:43.756 INFO kablam!    |
Oct 27 00:50:43.756 INFO kablam! 44 |     sock.send_to(&msg, addr);
Oct 27 00:50:43.756 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:50:43.756 INFO kablam!    |
Oct 27 00:50:43.756 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 00:50:43.756 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 00:50:43.757 INFO kablam! 
Oct 27 00:50:43.769 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Oct 27 00:50:43.798 INFO kablam! su: No module specific data is present
Oct 27 00:50:44.543 INFO running `"docker" "rm" "-f" "8f71492b0ab7a4ce08a7d632d9c208b74a990eb9805ebb2e8d670f98cb4a76c9"`
Oct 27 00:50:44.825 INFO blam! 8f71492b0ab7a4ce08a7d632d9c208b74a990eb9805ebb2e8d670f98cb4a76c9