Dec 05 00:02:10.285 INFO testing zerovolts/rust-chat against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 00:02:10.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 00:02:10.868 INFO [stdout] ea911ebb829b7485bc9b97dfa622b58464d56d07faced6e5033b1a6c7c7425d5
Dec 05 00:02:10.872 INFO running `"docker" "start" "-a" "ea911ebb829b7485bc9b97dfa622b58464d56d07faced6e5033b1a6c7c7425d5"`
Dec 05 00:02:12.216 INFO [stderr] usermod: no changes
Dec 05 00:02:12.272 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Dec 05 00:02:12.452 INFO [stderr] warning: unused import: `Write`
Dec 05 00:02:12.452 INFO [stderr]  --> src/server.rs:3:21
Dec 05 00:02:12.452 INFO [stderr]   |
Dec 05 00:02:12.452 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 05 00:02:12.452 INFO [stderr]   |                     ^^^^^
Dec 05 00:02:12.452 INFO [stderr]   |
Dec 05 00:02:12.452 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:02:12.452 INFO [stderr] 
Dec 05 00:02:12.456 INFO [stderr] warning: unused import: `TcpListener`
Dec 05 00:02:12.456 INFO [stderr]  --> src/client.rs:1:16
Dec 05 00:02:12.456 INFO [stderr]   |
Dec 05 00:02:12.456 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Dec 05 00:02:12.456 INFO [stderr]   |                ^^^^^^^^^^^
Dec 05 00:02:12.456 INFO [stderr] 
Dec 05 00:02:12.456 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 05 00:02:12.456 INFO [stderr]  --> src/client.rs:2:17
Dec 05 00:02:12.456 INFO [stderr]   |
Dec 05 00:02:12.456 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 05 00:02:12.456 INFO [stderr]   |                 ^^^  ^^^^^
Dec 05 00:02:12.456 INFO [stderr] 
Dec 05 00:02:12.456 INFO [stderr] warning: unused import: `Read`
Dec 05 00:02:12.456 INFO [stderr]  --> src/client.rs:3:15
Dec 05 00:02:12.456 INFO [stderr]   |
Dec 05 00:02:12.456 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 05 00:02:12.456 INFO [stderr]   |               ^^^^
Dec 05 00:02:12.456 INFO [stderr] 
Dec 05 00:02:12.456 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 05 00:02:12.456 INFO [stderr]  --> src/client.rs:4:11
Dec 05 00:02:12.456 INFO [stderr]   |
Dec 05 00:02:12.457 INFO [stderr] 4 | use std::{thread, time};
Dec 05 00:02:12.457 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 05 00:02:12.457 INFO [stderr] 
Dec 05 00:02:12.521 INFO [stderr] warning: unused variable: `e`
Dec 05 00:02:12.521 INFO [stderr]   --> src/server.rs:32:21
Dec 05 00:02:12.521 INFO [stderr]    |
Dec 05 00:02:12.521 INFO [stderr] 32 |                 Err(e) => ()
Dec 05 00:02:12.521 INFO [stderr]    |                     ^ help: consider using `_e` instead
Dec 05 00:02:12.521 INFO [stderr]    |
Dec 05 00:02:12.521 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:02:12.521 INFO [stderr] 
Dec 05 00:02:12.536 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:02:12.536 INFO [stderr]   --> src/server.rs:37:22
Dec 05 00:02:12.536 INFO [stderr]    |
Dec 05 00:02:12.536 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Dec 05 00:02:12.536 INFO [stderr]    |                      ----^^^^^^
Dec 05 00:02:12.536 INFO [stderr]    |                      |
Dec 05 00:02:12.536 INFO [stderr]    |                      help: remove this `mut`
Dec 05 00:02:12.536 INFO [stderr]    |
Dec 05 00:02:12.536 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:02:12.536 INFO [stderr] 
Dec 05 00:02:12.536 INFO [stderr] warning: field is never used: `address`
Dec 05 00:02:12.536 INFO [stderr]  --> src/server.rs:6:5
Dec 05 00:02:12.536 INFO [stderr]   |
Dec 05 00:02:12.536 INFO [stderr] 6 |     address: String,
Dec 05 00:02:12.536 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:02:12.536 INFO [stderr]   |
Dec 05 00:02:12.536 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 00:02:12.536 INFO [stderr] 
Dec 05 00:02:12.536 INFO [stderr] warning: field is never used: `messages`
Dec 05 00:02:12.536 INFO [stderr]  --> src/server.rs:9:5
Dec 05 00:02:12.536 INFO [stderr]   |
Dec 05 00:02:12.536 INFO [stderr] 9 |     messages: Vec<String>
Dec 05 00:02:12.536 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:02:12.536 INFO [stderr] 
Dec 05 00:02:12.536 INFO [stderr] warning: field is never used: `address`
Dec 05 00:02:12.537 INFO [stderr]  --> src/client.rs:7:5
Dec 05 00:02:12.537 INFO [stderr]   |
Dec 05 00:02:12.537 INFO [stderr] 7 |     address: String,
Dec 05 00:02:12.537 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:02:12.537 INFO [stderr] 
Dec 05 00:02:12.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:02:12.548 INFO [stderr]   --> src/server.rs:39:9
Dec 05 00:02:12.548 INFO [stderr]    |
Dec 05 00:02:12.548 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Dec 05 00:02:12.548 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:02:12.548 INFO [stderr]    |
Dec 05 00:02:12.548 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:02:12.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:02:12.548 INFO [stderr] 
Dec 05 00:02:12.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:02:12.548 INFO [stderr]   --> src/client.rs:25:9
Dec 05 00:02:12.548 INFO [stderr]    |
Dec 05 00:02:12.548 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Dec 05 00:02:12.548 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:02:12.548 INFO [stderr]    |
Dec 05 00:02:12.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:02:12.548 INFO [stderr] 
Dec 05 00:02:13.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 05 00:02:13.180 INFO [stderr] su: No module specific data is present
Dec 05 00:02:13.940 INFO running `"docker" "inspect" "ea911ebb829b7485bc9b97dfa622b58464d56d07faced6e5033b1a6c7c7425d5"`
Dec 05 00:02:14.268 INFO running `"docker" "rm" "-f" "ea911ebb829b7485bc9b97dfa622b58464d56d07faced6e5033b1a6c7c7425d5"`
Dec 05 00:02:14.666 INFO [stdout] ea911ebb829b7485bc9b97dfa622b58464d56d07faced6e5033b1a6c7c7425d5
Dec 05 00:02:14.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 00:02:15.183 INFO [stdout] 178696c20bdf374d185d4a55a831b1d16e69f3d4a56bc190ddb3721d010c703c
Dec 05 00:02:15.185 INFO running `"docker" "start" "-a" "178696c20bdf374d185d4a55a831b1d16e69f3d4a56bc190ddb3721d010c703c"`
Dec 05 00:02:16.412 INFO [stderr] usermod: no changes
Dec 05 00:02:16.472 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Dec 05 00:02:16.596 INFO [stderr] warning: unused import: `Write`
Dec 05 00:02:16.596 INFO [stderr]  --> src/server.rs:3:21
Dec 05 00:02:16.596 INFO [stderr]   |
Dec 05 00:02:16.596 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 05 00:02:16.596 INFO [stderr]   |                     ^^^^^
Dec 05 00:02:16.596 INFO [stderr]   |
Dec 05 00:02:16.596 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:02:16.596 INFO [stderr] 
Dec 05 00:02:16.596 INFO [stderr] warning: unused import: `TcpListener`
Dec 05 00:02:16.596 INFO [stderr]  --> src/client.rs:1:16
Dec 05 00:02:16.596 INFO [stderr]   |
Dec 05 00:02:16.596 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Dec 05 00:02:16.596 INFO [stderr]   |                ^^^^^^^^^^^
Dec 05 00:02:16.596 INFO [stderr] 
Dec 05 00:02:16.596 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 05 00:02:16.596 INFO [stderr]  --> src/client.rs:2:17
Dec 05 00:02:16.596 INFO [stderr]   |
Dec 05 00:02:16.596 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 05 00:02:16.596 INFO [stderr]   |                 ^^^  ^^^^^
Dec 05 00:02:16.596 INFO [stderr] 
Dec 05 00:02:16.596 INFO [stderr] warning: unused import: `Read`
Dec 05 00:02:16.596 INFO [stderr]  --> src/client.rs:3:15
Dec 05 00:02:16.596 INFO [stderr]   |
Dec 05 00:02:16.596 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 05 00:02:16.596 INFO [stderr]   |               ^^^^
Dec 05 00:02:16.596 INFO [stderr] 
Dec 05 00:02:16.596 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 05 00:02:16.596 INFO [stderr]  --> src/client.rs:4:11
Dec 05 00:02:16.596 INFO [stderr]   |
Dec 05 00:02:16.596 INFO [stderr] 4 | use std::{thread, time};
Dec 05 00:02:16.596 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 05 00:02:16.596 INFO [stderr] 
Dec 05 00:02:16.648 INFO [stderr] warning: unused variable: `e`
Dec 05 00:02:16.648 INFO [stderr]   --> src/server.rs:32:21
Dec 05 00:02:16.648 INFO [stderr]    |
Dec 05 00:02:16.648 INFO [stderr] 32 |                 Err(e) => ()
Dec 05 00:02:16.648 INFO [stderr]    |                     ^ help: consider using `_e` instead
Dec 05 00:02:16.648 INFO [stderr]    |
Dec 05 00:02:16.648 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:02:16.648 INFO [stderr] 
Dec 05 00:02:16.660 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:02:16.660 INFO [stderr]   --> src/server.rs:37:22
Dec 05 00:02:16.660 INFO [stderr]    |
Dec 05 00:02:16.660 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Dec 05 00:02:16.660 INFO [stderr]    |                      ----^^^^^^
Dec 05 00:02:16.660 INFO [stderr]    |                      |
Dec 05 00:02:16.660 INFO [stderr]    |                      help: remove this `mut`
Dec 05 00:02:16.660 INFO [stderr]    |
Dec 05 00:02:16.660 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:02:16.660 INFO [stderr] 
Dec 05 00:02:16.660 INFO [stderr] warning: field is never used: `address`
Dec 05 00:02:16.660 INFO [stderr]  --> src/server.rs:6:5
Dec 05 00:02:16.660 INFO [stderr]   |
Dec 05 00:02:16.660 INFO [stderr] 6 |     address: String,
Dec 05 00:02:16.660 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:02:16.660 INFO [stderr]   |
Dec 05 00:02:16.660 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 00:02:16.660 INFO [stderr] 
Dec 05 00:02:16.660 INFO [stderr] warning: field is never used: `messages`
Dec 05 00:02:16.660 INFO [stderr]  --> src/server.rs:9:5
Dec 05 00:02:16.660 INFO [stderr]   |
Dec 05 00:02:16.660 INFO [stderr] 9 |     messages: Vec<String>
Dec 05 00:02:16.660 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:02:16.660 INFO [stderr] 
Dec 05 00:02:16.660 INFO [stderr] warning: field is never used: `address`
Dec 05 00:02:16.660 INFO [stderr]  --> src/client.rs:7:5
Dec 05 00:02:16.660 INFO [stderr]   |
Dec 05 00:02:16.660 INFO [stderr] 7 |     address: String,
Dec 05 00:02:16.660 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:02:16.660 INFO [stderr] 
Dec 05 00:02:16.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:02:16.660 INFO [stderr]   --> src/server.rs:39:9
Dec 05 00:02:16.660 INFO [stderr]    |
Dec 05 00:02:16.660 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Dec 05 00:02:16.660 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:02:16.660 INFO [stderr]    |
Dec 05 00:02:16.660 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:02:16.660 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:02:16.660 INFO [stderr] 
Dec 05 00:02:16.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:02:16.661 INFO [stderr]   --> src/client.rs:25:9
Dec 05 00:02:16.661 INFO [stderr]    |
Dec 05 00:02:16.661 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Dec 05 00:02:16.661 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:02:16.661 INFO [stderr]    |
Dec 05 00:02:16.661 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:02:16.661 INFO [stderr] 
Dec 05 00:02:16.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 05 00:02:16.972 INFO [stderr] su: No module specific data is present
Dec 05 00:02:17.703 INFO running `"docker" "inspect" "178696c20bdf374d185d4a55a831b1d16e69f3d4a56bc190ddb3721d010c703c"`
Dec 05 00:02:18.077 INFO running `"docker" "rm" "-f" "178696c20bdf374d185d4a55a831b1d16e69f3d4a56bc190ddb3721d010c703c"`
Dec 05 00:02:18.300 INFO [stdout] 178696c20bdf374d185d4a55a831b1d16e69f3d4a56bc190ddb3721d010c703c
Dec 05 00:02:18.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 00:02:18.780 INFO [stdout] 637a223b79f6df0b09a5c2e299ca82be784f7ba57ce2606b44049b473271c936
Dec 05 00:02:18.788 INFO running `"docker" "start" "-a" "637a223b79f6df0b09a5c2e299ca82be784f7ba57ce2606b44049b473271c936"`
Dec 05 00:02:20.477 INFO [stderr] usermod: no changes
Dec 05 00:02:20.516 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 00:02:20.526 INFO [stderr]      Running /target/debug/deps/rust_chat-cfc0f10c1d1f28c2
Dec 05 00:02:20.527 INFO [stdout] 
Dec 05 00:02:20.527 INFO [stdout] running 0 tests
Dec 05 00:02:20.527 INFO [stdout] 
Dec 05 00:02:20.527 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:02:20.527 INFO [stdout] 
Dec 05 00:02:20.529 INFO [stderr] su: No module specific data is present
Dec 05 00:02:21.947 INFO running `"docker" "inspect" "637a223b79f6df0b09a5c2e299ca82be784f7ba57ce2606b44049b473271c936"`
Dec 05 00:02:22.326 INFO running `"docker" "rm" "-f" "637a223b79f6df0b09a5c2e299ca82be784f7ba57ce2606b44049b473271c936"`
Dec 05 00:02:22.620 INFO [stdout] 637a223b79f6df0b09a5c2e299ca82be784f7ba57ce2606b44049b473271c936