Nov 16 06:52:24.740 INFO testing zerovolts/rust-chat against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 06:52:24.741 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 06:52:25.189 INFO [stdout] 08bd176a2418f07ce9c1d4d1b60350d88fdc3cf3b25981840cf1fecb9755bf46
Nov 16 06:52:25.193 INFO running `"docker" "start" "-a" "08bd176a2418f07ce9c1d4d1b60350d88fdc3cf3b25981840cf1fecb9755bf46"`
Nov 16 06:52:26.338 INFO [stderr] usermod: no changes
Nov 16 06:52:26.399 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Nov 16 06:52:26.523 INFO [stderr] warning: unused import: `Write`
Nov 16 06:52:26.523 INFO [stderr]  --> src/server.rs:3:21
Nov 16 06:52:26.523 INFO [stderr]   |
Nov 16 06:52:26.523 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:26.523 INFO [stderr]   |                     ^^^^^
Nov 16 06:52:26.523 INFO [stderr]   |
Nov 16 06:52:26.523 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 06:52:26.523 INFO [stderr] 
Nov 16 06:52:26.523 INFO [stderr] warning: unused import: `TcpListener`
Nov 16 06:52:26.523 INFO [stderr]  --> src/client.rs:1:16
Nov 16 06:52:26.523 INFO [stderr]   |
Nov 16 06:52:26.523 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 16 06:52:26.524 INFO [stderr]   |                ^^^^^^^^^^^
Nov 16 06:52:26.524 INFO [stderr] 
Nov 16 06:52:26.524 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 16 06:52:26.524 INFO [stderr]  --> src/client.rs:2:17
Nov 16 06:52:26.524 INFO [stderr]   |
Nov 16 06:52:26.524 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 16 06:52:26.524 INFO [stderr]   |                 ^^^  ^^^^^
Nov 16 06:52:26.524 INFO [stderr] 
Nov 16 06:52:26.524 INFO [stderr] warning: unused import: `Read`
Nov 16 06:52:26.524 INFO [stderr]  --> src/client.rs:3:15
Nov 16 06:52:26.524 INFO [stderr]   |
Nov 16 06:52:26.524 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:26.524 INFO [stderr]   |               ^^^^
Nov 16 06:52:26.524 INFO [stderr] 
Nov 16 06:52:26.524 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 16 06:52:26.524 INFO [stderr]  --> src/client.rs:4:11
Nov 16 06:52:26.524 INFO [stderr]   |
Nov 16 06:52:26.525 INFO [stderr] 4 | use std::{thread, time};
Nov 16 06:52:26.525 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 16 06:52:26.525 INFO [stderr] 
Nov 16 06:52:26.567 INFO [stderr] warning: unused variable: `e`
Nov 16 06:52:26.567 INFO [stderr]   --> src/server.rs:32:21
Nov 16 06:52:26.567 INFO [stderr]    |
Nov 16 06:52:26.567 INFO [stderr] 32 |                 Err(e) => ()
Nov 16 06:52:26.567 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 16 06:52:26.567 INFO [stderr]    |
Nov 16 06:52:26.567 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 06:52:26.567 INFO [stderr] 
Nov 16 06:52:26.570 INFO [stderr] warning: variable does not need to be mutable
Nov 16 06:52:26.570 INFO [stderr]   --> src/server.rs:37:22
Nov 16 06:52:26.570 INFO [stderr]    |
Nov 16 06:52:26.570 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 16 06:52:26.570 INFO [stderr]    |                      ----^^^^^^
Nov 16 06:52:26.570 INFO [stderr]    |                      |
Nov 16 06:52:26.570 INFO [stderr]    |                      help: remove this `mut`
Nov 16 06:52:26.570 INFO [stderr]    |
Nov 16 06:52:26.570 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 06:52:26.570 INFO [stderr] 
Nov 16 06:52:26.571 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:26.571 INFO [stderr]  --> src/server.rs:6:5
Nov 16 06:52:26.571 INFO [stderr]   |
Nov 16 06:52:26.571 INFO [stderr] 6 |     address: String,
Nov 16 06:52:26.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:26.571 INFO [stderr]   |
Nov 16 06:52:26.571 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 06:52:26.571 INFO [stderr] 
Nov 16 06:52:26.571 INFO [stderr] warning: field is never used: `messages`
Nov 16 06:52:26.571 INFO [stderr]  --> src/server.rs:9:5
Nov 16 06:52:26.571 INFO [stderr]   |
Nov 16 06:52:26.571 INFO [stderr] 9 |     messages: Vec<String>
Nov 16 06:52:26.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:26.571 INFO [stderr] 
Nov 16 06:52:26.571 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:26.571 INFO [stderr]  --> src/client.rs:7:5
Nov 16 06:52:26.571 INFO [stderr]   |
Nov 16 06:52:26.572 INFO [stderr] 7 |     address: String,
Nov 16 06:52:26.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:26.572 INFO [stderr] 
Nov 16 06:52:26.583 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:26.583 INFO [stderr]   --> src/server.rs:39:9
Nov 16 06:52:26.583 INFO [stderr]    |
Nov 16 06:52:26.583 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 16 06:52:26.583 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:26.583 INFO [stderr]    |
Nov 16 06:52:26.583 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 06:52:26.583 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:26.583 INFO [stderr] 
Nov 16 06:52:26.583 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:26.583 INFO [stderr]   --> src/client.rs:25:9
Nov 16 06:52:26.583 INFO [stderr]    |
Nov 16 06:52:26.583 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 16 06:52:26.583 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:26.583 INFO [stderr]    |
Nov 16 06:52:26.584 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:26.584 INFO [stderr] 
Nov 16 06:52:27.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 16 06:52:27.356 INFO [stderr] su: No module specific data is present
Nov 16 06:52:28.255 INFO running `"docker" "inspect" "08bd176a2418f07ce9c1d4d1b60350d88fdc3cf3b25981840cf1fecb9755bf46"`
Nov 16 06:52:28.549 INFO running `"docker" "rm" "-f" "08bd176a2418f07ce9c1d4d1b60350d88fdc3cf3b25981840cf1fecb9755bf46"`
Nov 16 06:52:28.839 INFO [stdout] 08bd176a2418f07ce9c1d4d1b60350d88fdc3cf3b25981840cf1fecb9755bf46
Nov 16 06:52:28.850 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 06:52:29.347 INFO [stdout] 874ed00c9de1601922f0f0cb5918b7f7bfab2993080971a845da8c13d5de2ede
Nov 16 06:52:29.353 INFO running `"docker" "start" "-a" "874ed00c9de1601922f0f0cb5918b7f7bfab2993080971a845da8c13d5de2ede"`
Nov 16 06:52:30.738 INFO [stderr] usermod: no changes
Nov 16 06:52:30.807 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Nov 16 06:52:30.959 INFO [stderr] warning: unused import: `Write`
Nov 16 06:52:30.959 INFO [stderr]  --> src/server.rs:3:21
Nov 16 06:52:30.959 INFO [stderr]   |
Nov 16 06:52:30.959 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:30.959 INFO [stderr]   |                     ^^^^^
Nov 16 06:52:30.959 INFO [stderr]   |
Nov 16 06:52:30.959 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 06:52:30.959 INFO [stderr] 
Nov 16 06:52:30.959 INFO [stderr] warning: unused import: `TcpListener`
Nov 16 06:52:30.959 INFO [stderr]  --> src/client.rs:1:16
Nov 16 06:52:30.959 INFO [stderr]   |
Nov 16 06:52:30.959 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Nov 16 06:52:30.959 INFO [stderr]   |                ^^^^^^^^^^^
Nov 16 06:52:30.959 INFO [stderr] 
Nov 16 06:52:30.959 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Nov 16 06:52:30.959 INFO [stderr]  --> src/client.rs:2:17
Nov 16 06:52:30.959 INFO [stderr]   |
Nov 16 06:52:30.959 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Nov 16 06:52:30.959 INFO [stderr]   |                 ^^^  ^^^^^
Nov 16 06:52:30.959 INFO [stderr] 
Nov 16 06:52:30.959 INFO [stderr] warning: unused import: `Read`
Nov 16 06:52:30.959 INFO [stderr]  --> src/client.rs:3:15
Nov 16 06:52:30.959 INFO [stderr]   |
Nov 16 06:52:30.959 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 16 06:52:30.959 INFO [stderr]   |               ^^^^
Nov 16 06:52:30.959 INFO [stderr] 
Nov 16 06:52:30.959 INFO [stderr] warning: unused imports: `thread`, `time`
Nov 16 06:52:30.959 INFO [stderr]  --> src/client.rs:4:11
Nov 16 06:52:30.959 INFO [stderr]   |
Nov 16 06:52:30.959 INFO [stderr] 4 | use std::{thread, time};
Nov 16 06:52:30.959 INFO [stderr]   |           ^^^^^^  ^^^^
Nov 16 06:52:30.959 INFO [stderr] 
Nov 16 06:52:31.003 INFO [stderr] warning: unused variable: `e`
Nov 16 06:52:31.003 INFO [stderr]   --> src/server.rs:32:21
Nov 16 06:52:31.003 INFO [stderr]    |
Nov 16 06:52:31.003 INFO [stderr] 32 |                 Err(e) => ()
Nov 16 06:52:31.003 INFO [stderr]    |                     ^ help: consider using `_e` instead
Nov 16 06:52:31.003 INFO [stderr]    |
Nov 16 06:52:31.003 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 06:52:31.003 INFO [stderr] 
Nov 16 06:52:31.017 INFO [stderr] warning: variable does not need to be mutable
Nov 16 06:52:31.017 INFO [stderr]   --> src/server.rs:37:22
Nov 16 06:52:31.017 INFO [stderr]    |
Nov 16 06:52:31.017 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 16 06:52:31.017 INFO [stderr]    |                      ----^^^^^^
Nov 16 06:52:31.017 INFO [stderr]    |                      |
Nov 16 06:52:31.017 INFO [stderr]    |                      help: remove this `mut`
Nov 16 06:52:31.017 INFO [stderr]    |
Nov 16 06:52:31.017 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 06:52:31.017 INFO [stderr] 
Nov 16 06:52:31.018 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:31.018 INFO [stderr]  --> src/server.rs:6:5
Nov 16 06:52:31.018 INFO [stderr]   |
Nov 16 06:52:31.018 INFO [stderr] 6 |     address: String,
Nov 16 06:52:31.018 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:31.018 INFO [stderr]   |
Nov 16 06:52:31.018 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 06:52:31.018 INFO [stderr] 
Nov 16 06:52:31.018 INFO [stderr] warning: field is never used: `messages`
Nov 16 06:52:31.018 INFO [stderr]  --> src/server.rs:9:5
Nov 16 06:52:31.018 INFO [stderr]   |
Nov 16 06:52:31.018 INFO [stderr] 9 |     messages: Vec<String>
Nov 16 06:52:31.018 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:31.018 INFO [stderr] 
Nov 16 06:52:31.018 INFO [stderr] warning: field is never used: `address`
Nov 16 06:52:31.018 INFO [stderr]  --> src/client.rs:7:5
Nov 16 06:52:31.018 INFO [stderr]   |
Nov 16 06:52:31.018 INFO [stderr] 7 |     address: String,
Nov 16 06:52:31.018 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 16 06:52:31.018 INFO [stderr] 
Nov 16 06:52:31.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:31.027 INFO [stderr]   --> src/server.rs:39:9
Nov 16 06:52:31.027 INFO [stderr]    |
Nov 16 06:52:31.027 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 16 06:52:31.027 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:31.027 INFO [stderr]    |
Nov 16 06:52:31.027 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 06:52:31.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:31.027 INFO [stderr] 
Nov 16 06:52:31.043 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 06:52:31.043 INFO [stderr]   --> src/client.rs:25:9
Nov 16 06:52:31.043 INFO [stderr]    |
Nov 16 06:52:31.043 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Nov 16 06:52:31.043 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:52:31.043 INFO [stderr]    |
Nov 16 06:52:31.043 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 06:52:31.043 INFO [stderr] 
Nov 16 06:52:31.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Nov 16 06:52:31.342 INFO [stderr] su: No module specific data is present
Nov 16 06:52:32.575 INFO running `"docker" "inspect" "874ed00c9de1601922f0f0cb5918b7f7bfab2993080971a845da8c13d5de2ede"`
Nov 16 06:52:32.915 INFO running `"docker" "rm" "-f" "874ed00c9de1601922f0f0cb5918b7f7bfab2993080971a845da8c13d5de2ede"`
Nov 16 06:52:33.223 INFO [stdout] 874ed00c9de1601922f0f0cb5918b7f7bfab2993080971a845da8c13d5de2ede
Nov 16 06:52:33.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 06:52:33.687 INFO [stdout] c258d784e92fd1a7af3535131c246bb2feda27c8320e43de6f4517bae938e1c7
Nov 16 06:52:33.695 INFO running `"docker" "start" "-a" "c258d784e92fd1a7af3535131c246bb2feda27c8320e43de6f4517bae938e1c7"`
Nov 16 06:52:35.560 INFO [stderr] usermod: no changes
Nov 16 06:52:35.635 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 06:52:35.639 INFO [stderr]      Running /target/debug/deps/rust_chat-495917709a1f4d7e
Nov 16 06:52:35.642 INFO [stdout] 
Nov 16 06:52:35.642 INFO [stdout] running 0 tests
Nov 16 06:52:35.642 INFO [stdout] 
Nov 16 06:52:35.642 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 06:52:35.642 INFO [stdout] 
Nov 16 06:52:35.647 INFO [stderr] su: No module specific data is present
Nov 16 06:52:37.019 INFO running `"docker" "inspect" "c258d784e92fd1a7af3535131c246bb2feda27c8320e43de6f4517bae938e1c7"`
Nov 16 06:52:37.320 INFO running `"docker" "rm" "-f" "c258d784e92fd1a7af3535131c246bb2feda27c8320e43de6f4517bae938e1c7"`
Nov 16 06:52:37.680 INFO [stdout] c258d784e92fd1a7af3535131c246bb2feda27c8320e43de6f4517bae938e1c7