Nov 29 14:00:51.963 INFO checking zerovolts/rust-chat against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 14:00:51.963 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 14:00:52.633 INFO [stdout] 7ad7ebd3b1d3fd1c097281d5ffb22d894bc3d40c11fb0dfaa8b7d185d351cb52
Nov 29 14:00:52.635 INFO running `"docker" "start" "-a" "7ad7ebd3b1d3fd1c097281d5ffb22d894bc3d40c11fb0dfaa8b7d185d351cb52"`
Nov 29 14:00:53.993 INFO [stderr] usermod: no changes
Nov 29 14:00:54.068 INFO [stderr]     Checking rust-chat v0.1.0 (/source)
Nov 29 14:00:54.188 INFO [stderr] warning: unused import: `Write`
Nov 29 14:00:54.188 INFO [stderr]  --> src/server.rs:3:21
Nov 29 14:00:54.188 INFO [stderr]   |
Nov 29 14:00:54.188 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 29 14:00:54.188 INFO [stderr]   |                     ^^^^^
Nov 29 14:00:54.188 INFO [stderr]   |
Nov 29 14:00:54.188 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:00:54.188 INFO [stderr] 
Nov 29 14:00:54.188 INFO [stderr] warning: unused import: `TcpListener`
Nov 29 14:00:54.188 INFO [stderr]  --> src/client.rs:1:16
Nov 29 14:00:54.188 INFO [stderr]   |
Nov 29 14:00:54.188 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 29 14:00:54.188 INFO [stderr]   |                ^^^^^^^^^^^
Nov 29 14:00:54.188 INFO [stderr] 
Nov 29 14:00:54.188 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 29 14:00:54.188 INFO [stderr]  --> src/client.rs:2:17
Nov 29 14:00:54.188 INFO [stderr]   |
Nov 29 14:00:54.188 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 29 14:00:54.188 INFO [stderr]   |                 ^^^  ^^^^^
Nov 29 14:00:54.188 INFO [stderr] 
Nov 29 14:00:54.188 INFO [stderr] warning: unused import: `Read`
Nov 29 14:00:54.188 INFO [stderr]  --> src/client.rs:3:15
Nov 29 14:00:54.188 INFO [stderr]   |
Nov 29 14:00:54.188 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 29 14:00:54.188 INFO [stderr]   |               ^^^^
Nov 29 14:00:54.188 INFO [stderr] 
Nov 29 14:00:54.188 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 29 14:00:54.188 INFO [stderr]  --> src/client.rs:4:11
Nov 29 14:00:54.188 INFO [stderr]   |
Nov 29 14:00:54.188 INFO [stderr] 4 | use std::{thread, time};
Nov 29 14:00:54.188 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 29 14:00:54.188 INFO [stderr] 
Nov 29 14:00:54.232 INFO [stderr] warning: unused variable: `e`
Nov 29 14:00:54.232 INFO [stderr]   --> src/server.rs:32:21
Nov 29 14:00:54.232 INFO [stderr]    |
Nov 29 14:00:54.232 INFO [stderr] 32 |                 Err(e) => ()
Nov 29 14:00:54.232 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 29 14:00:54.232 INFO [stderr]    |
Nov 29 14:00:54.232 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:00:54.232 INFO [stderr] 
Nov 29 14:00:54.244 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:00:54.244 INFO [stderr]   --> src/server.rs:37:22
Nov 29 14:00:54.244 INFO [stderr]    |
Nov 29 14:00:54.244 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 29 14:00:54.244 INFO [stderr]    |                      ----^^^^^^
Nov 29 14:00:54.244 INFO [stderr]    |                      |
Nov 29 14:00:54.244 INFO [stderr]    |                      help: remove this `mut`
Nov 29 14:00:54.244 INFO [stderr]    |
Nov 29 14:00:54.244 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 14:00:54.244 INFO [stderr] 
Nov 29 14:00:54.244 INFO [stderr] warning: field is never used: `address`
Nov 29 14:00:54.244 INFO [stderr]  --> src/server.rs:6:5
Nov 29 14:00:54.244 INFO [stderr]   |
Nov 29 14:00:54.244 INFO [stderr] 6 |     address: String,
Nov 29 14:00:54.244 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 14:00:54.244 INFO [stderr]   |
Nov 29 14:00:54.244 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:00:54.244 INFO [stderr] 
Nov 29 14:00:54.248 INFO [stderr] warning: field is never used: `messages`
Nov 29 14:00:54.248 INFO [stderr]  --> src/server.rs:9:5
Nov 29 14:00:54.248 INFO [stderr]   |
Nov 29 14:00:54.248 INFO [stderr] 9 |     messages: Vec<String>
Nov 29 14:00:54.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:00:54.248 INFO [stderr] 
Nov 29 14:00:54.248 INFO [stderr] warning: field is never used: `address`
Nov 29 14:00:54.248 INFO [stderr]  --> src/client.rs:7:5
Nov 29 14:00:54.248 INFO [stderr]   |
Nov 29 14:00:54.248 INFO [stderr] 7 |     address: String,
Nov 29 14:00:54.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 14:00:54.248 INFO [stderr] 
Nov 29 14:00:54.252 INFO [stderr] warning: unused import: `Write`
Nov 29 14:00:54.252 INFO [stderr]  --> src/server.rs:3:21
Nov 29 14:00:54.252 INFO [stderr]   |
Nov 29 14:00:54.252 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 29 14:00:54.252 INFO [stderr]   |                     ^^^^^
Nov 29 14:00:54.254 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:00:54.254 INFO [stderr]   --> src/server.rs:39:9
Nov 29 14:00:54.254 INFO [stderr]    |
Nov 29 14:00:54.254 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 29 14:00:54.254 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:00:54.254 INFO [stderr]    |
Nov 29 14:00:54.254 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:00:54.254 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:00:54.254 INFO [stderr] 
Nov 29 14:00:54.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:00:54.255 INFO [stderr]   --> src/client.rs:25:9
Nov 29 14:00:54.255 INFO [stderr]    |
Nov 29 14:00:54.255 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 29 14:00:54.255 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:00:54.255 INFO [stderr]    |
Nov 29 14:00:54.255 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:00:54.255 INFO [stderr] 
Nov 29 14:00:54.260 INFO [stderr]   |
Nov 29 14:00:54.261 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:00:54.261 INFO [stderr] 
Nov 29 14:00:54.261 INFO [stderr] warning: unused import: `TcpListener`
Nov 29 14:00:54.261 INFO [stderr]  --> src/client.rs:1:16
Nov 29 14:00:54.262 INFO [stderr]   |
Nov 29 14:00:54.262 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 29 14:00:54.262 INFO [stderr]   |                ^^^^^^^^^^^
Nov 29 14:00:54.262 INFO [stderr] 
Nov 29 14:00:54.262 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 29 14:00:54.262 INFO [stderr]  --> src/client.rs:2:17
Nov 29 14:00:54.262 INFO [stderr]   |
Nov 29 14:00:54.262 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 29 14:00:54.262 INFO [stderr]   |                 ^^^  ^^^^^
Nov 29 14:00:54.262 INFO [stderr] 
Nov 29 14:00:54.262 INFO [stderr] warning: unused import: `Read`
Nov 29 14:00:54.262 INFO [stderr]  --> src/client.rs:3:15
Nov 29 14:00:54.262 INFO [stderr]   |
Nov 29 14:00:54.262 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 29 14:00:54.262 INFO [stderr]   |               ^^^^
Nov 29 14:00:54.262 INFO [stderr] 
Nov 29 14:00:54.262 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 29 14:00:54.262 INFO [stderr]  --> src/client.rs:4:11
Nov 29 14:00:54.262 INFO [stderr]   |
Nov 29 14:00:54.262 INFO [stderr] 4 | use std::{thread, time};
Nov 29 14:00:54.262 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 29 14:00:54.262 INFO [stderr] 
Nov 29 14:00:54.332 INFO [stderr] warning: unused variable: `e`
Nov 29 14:00:54.332 INFO [stderr]   --> src/server.rs:32:21
Nov 29 14:00:54.332 INFO [stderr]    |
Nov 29 14:00:54.332 INFO [stderr] 32 |                 Err(e) => ()
Nov 29 14:00:54.332 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 29 14:00:54.332 INFO [stderr]    |
Nov 29 14:00:54.332 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:00:54.332 INFO [stderr] 
Nov 29 14:00:54.356 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:00:54.356 INFO [stderr]   --> src/server.rs:37:22
Nov 29 14:00:54.356 INFO [stderr]    |
Nov 29 14:00:54.356 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 29 14:00:54.356 INFO [stderr]    |                      ----^^^^^^
Nov 29 14:00:54.356 INFO [stderr]    |                      |
Nov 29 14:00:54.356 INFO [stderr]    |                      help: remove this `mut`
Nov 29 14:00:54.356 INFO [stderr]    |
Nov 29 14:00:54.356 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 14:00:54.356 INFO [stderr] 
Nov 29 14:00:54.360 INFO [stderr] warning: field is never used: `address`
Nov 29 14:00:54.360 INFO [stderr]  --> src/server.rs:6:5
Nov 29 14:00:54.360 INFO [stderr]   |
Nov 29 14:00:54.360 INFO [stderr] 6 |     address: String,
Nov 29 14:00:54.360 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 14:00:54.360 INFO [stderr]   |
Nov 29 14:00:54.360 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:00:54.360 INFO [stderr] 
Nov 29 14:00:54.360 INFO [stderr] warning: field is never used: `messages`
Nov 29 14:00:54.360 INFO [stderr]  --> src/server.rs:9:5
Nov 29 14:00:54.360 INFO [stderr]   |
Nov 29 14:00:54.360 INFO [stderr] 9 |     messages: Vec<String>
Nov 29 14:00:54.360 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:00:54.360 INFO [stderr] 
Nov 29 14:00:54.360 INFO [stderr] warning: field is never used: `address`
Nov 29 14:00:54.360 INFO [stderr]  --> src/client.rs:7:5
Nov 29 14:00:54.360 INFO [stderr]   |
Nov 29 14:00:54.360 INFO [stderr] 7 |     address: String,
Nov 29 14:00:54.360 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 14:00:54.360 INFO [stderr] 
Nov 29 14:00:54.370 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:00:54.370 INFO [stderr]   --> src/server.rs:39:9
Nov 29 14:00:54.370 INFO [stderr]    |
Nov 29 14:00:54.370 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 29 14:00:54.370 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:00:54.370 INFO [stderr]    |
Nov 29 14:00:54.370 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:00:54.370 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:00:54.370 INFO [stderr] 
Nov 29 14:00:54.373 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:00:54.373 INFO [stderr]   --> src/client.rs:25:9
Nov 29 14:00:54.373 INFO [stderr]    |
Nov 29 14:00:54.373 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 29 14:00:54.373 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:00:54.373 INFO [stderr]    |
Nov 29 14:00:54.373 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:00:54.373 INFO [stderr] 
Nov 29 14:00:54.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Nov 29 14:00:54.404 INFO [stderr] su: No module specific data is present
Nov 29 14:00:55.086 INFO running `"docker" "inspect" "7ad7ebd3b1d3fd1c097281d5ffb22d894bc3d40c11fb0dfaa8b7d185d351cb52"`
Nov 29 14:00:55.382 INFO running `"docker" "rm" "-f" "7ad7ebd3b1d3fd1c097281d5ffb22d894bc3d40c11fb0dfaa8b7d185d351cb52"`
Nov 29 14:00:55.659 INFO [stdout] 7ad7ebd3b1d3fd1c097281d5ffb22d894bc3d40c11fb0dfaa8b7d185d351cb52