Dec 12 19:34:48.812 INFO testing zerovolts/rust-chat against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 19:34:48.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 19:34:49.271 INFO [stdout] 8840940851dcde143eb4b0702a97ef47683a50725b06d6e52f98adedadf79766
Dec 12 19:34:49.277 INFO running `"docker" "start" "-a" "8840940851dcde143eb4b0702a97ef47683a50725b06d6e52f98adedadf79766"`
Dec 12 19:34:50.516 INFO [stderr] usermod: no changes
Dec 12 19:34:50.578 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Dec 12 19:34:50.687 INFO [stderr] warning: unused import: `Write`
Dec 12 19:34:50.687 INFO [stderr]  --> src/server.rs:3:21
Dec 12 19:34:50.687 INFO [stderr]   |
Dec 12 19:34:50.687 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 12 19:34:50.687 INFO [stderr]   |                     ^^^^^
Dec 12 19:34:50.687 INFO [stderr]   |
Dec 12 19:34:50.687 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 19:34:50.687 INFO [stderr] 
Dec 12 19:34:50.687 INFO [stderr] warning: unused import: `TcpListener`
Dec 12 19:34:50.687 INFO [stderr]  --> src/client.rs:1:16
Dec 12 19:34:50.687 INFO [stderr]   |
Dec 12 19:34:50.687 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Dec 12 19:34:50.687 INFO [stderr]   |                ^^^^^^^^^^^
Dec 12 19:34:50.687 INFO [stderr] 
Dec 12 19:34:50.687 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 12 19:34:50.687 INFO [stderr]  --> src/client.rs:2:17
Dec 12 19:34:50.687 INFO [stderr]   |
Dec 12 19:34:50.687 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 12 19:34:50.687 INFO [stderr]   |                 ^^^  ^^^^^
Dec 12 19:34:50.687 INFO [stderr] 
Dec 12 19:34:50.687 INFO [stderr] warning: unused import: `Read`
Dec 12 19:34:50.687 INFO [stderr]  --> src/client.rs:3:15
Dec 12 19:34:50.687 INFO [stderr]   |
Dec 12 19:34:50.687 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 12 19:34:50.687 INFO [stderr]   |               ^^^^
Dec 12 19:34:50.687 INFO [stderr] 
Dec 12 19:34:50.695 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 12 19:34:50.695 INFO [stderr]  --> src/client.rs:4:11
Dec 12 19:34:50.695 INFO [stderr]   |
Dec 12 19:34:50.695 INFO [stderr] 4 | use std::{thread, time};
Dec 12 19:34:50.695 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 12 19:34:50.695 INFO [stderr] 
Dec 12 19:34:50.731 INFO [stderr] warning: unused variable: `e`
Dec 12 19:34:50.731 INFO [stderr]   --> src/server.rs:32:21
Dec 12 19:34:50.731 INFO [stderr]    |
Dec 12 19:34:50.731 INFO [stderr] 32 |                 Err(e) => ()
Dec 12 19:34:50.731 INFO [stderr]    |                     ^ help: consider using `_e` instead
Dec 12 19:34:50.731 INFO [stderr]    |
Dec 12 19:34:50.731 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 19:34:50.731 INFO [stderr] 
Dec 12 19:34:50.743 INFO [stderr] warning: variable does not need to be mutable
Dec 12 19:34:50.743 INFO [stderr]   --> src/server.rs:37:22
Dec 12 19:34:50.743 INFO [stderr]    |
Dec 12 19:34:50.743 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Dec 12 19:34:50.743 INFO [stderr]    |                      ----^^^^^^
Dec 12 19:34:50.743 INFO [stderr]    |                      |
Dec 12 19:34:50.743 INFO [stderr]    |                      help: remove this `mut`
Dec 12 19:34:50.743 INFO [stderr]    |
Dec 12 19:34:50.743 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 19:34:50.743 INFO [stderr] 
Dec 12 19:34:50.743 INFO [stderr] warning: field is never used: `address`
Dec 12 19:34:50.743 INFO [stderr]  --> src/server.rs:6:5
Dec 12 19:34:50.743 INFO [stderr]   |
Dec 12 19:34:50.743 INFO [stderr] 6 |     address: String,
Dec 12 19:34:50.743 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 19:34:50.743 INFO [stderr]   |
Dec 12 19:34:50.743 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 19:34:50.743 INFO [stderr] 
Dec 12 19:34:50.743 INFO [stderr] warning: field is never used: `messages`
Dec 12 19:34:50.743 INFO [stderr]  --> src/server.rs:9:5
Dec 12 19:34:50.743 INFO [stderr]   |
Dec 12 19:34:50.743 INFO [stderr] 9 |     messages: Vec<String>
Dec 12 19:34:50.743 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:34:50.743 INFO [stderr] 
Dec 12 19:34:50.743 INFO [stderr] warning: field is never used: `address`
Dec 12 19:34:50.743 INFO [stderr]  --> src/client.rs:7:5
Dec 12 19:34:50.743 INFO [stderr]   |
Dec 12 19:34:50.743 INFO [stderr] 7 |     address: String,
Dec 12 19:34:50.743 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 19:34:50.743 INFO [stderr] 
Dec 12 19:34:50.751 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:34:50.751 INFO [stderr]   --> src/server.rs:39:9
Dec 12 19:34:50.751 INFO [stderr]    |
Dec 12 19:34:50.751 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Dec 12 19:34:50.751 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:34:50.751 INFO [stderr]    |
Dec 12 19:34:50.751 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 19:34:50.751 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:34:50.751 INFO [stderr] 
Dec 12 19:34:50.751 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:34:50.751 INFO [stderr]   --> src/client.rs:25:9
Dec 12 19:34:50.751 INFO [stderr]    |
Dec 12 19:34:50.751 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Dec 12 19:34:50.751 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:34:50.751 INFO [stderr]    |
Dec 12 19:34:50.751 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:34:50.751 INFO [stderr] 
Dec 12 19:34:51.435 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 12 19:34:51.438 INFO [stderr] su: No module specific data is present
Dec 12 19:34:52.108 INFO running `"docker" "inspect" "8840940851dcde143eb4b0702a97ef47683a50725b06d6e52f98adedadf79766"`
Dec 12 19:34:52.423 INFO running `"docker" "rm" "-f" "8840940851dcde143eb4b0702a97ef47683a50725b06d6e52f98adedadf79766"`
Dec 12 19:34:52.710 INFO [stdout] 8840940851dcde143eb4b0702a97ef47683a50725b06d6e52f98adedadf79766
Dec 12 19:34:52.719 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 19:34:53.141 INFO [stdout] 439d11b337280ffc75f904c6ea2eb599646d4a7355ced53c83631851c798f53b
Dec 12 19:34:53.149 INFO running `"docker" "start" "-a" "439d11b337280ffc75f904c6ea2eb599646d4a7355ced53c83631851c798f53b"`
Dec 12 19:34:54.374 INFO [stderr] usermod: no changes
Dec 12 19:34:54.447 INFO [stderr]    Compiling rust-chat v0.1.0 (/source)
Dec 12 19:34:54.576 INFO [stderr] warning: unused import: `Write`
Dec 12 19:34:54.576 INFO [stderr]  --> src/server.rs:3:21
Dec 12 19:34:54.576 INFO [stderr]   |
Dec 12 19:34:54.576 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 12 19:34:54.576 INFO [stderr]   |                     ^^^^^
Dec 12 19:34:54.576 INFO [stderr]   |
Dec 12 19:34:54.576 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 19:34:54.576 INFO [stderr] 
Dec 12 19:34:54.576 INFO [stderr] warning: unused import: `TcpListener`
Dec 12 19:34:54.576 INFO [stderr]  --> src/client.rs:1:16
Dec 12 19:34:54.576 INFO [stderr]   |
Dec 12 19:34:54.576 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream};
Dec 12 19:34:54.576 INFO [stderr]   |                ^^^^^^^^^^^
Dec 12 19:34:54.576 INFO [stderr] 
Dec 12 19:34:54.576 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 12 19:34:54.576 INFO [stderr]  --> src/client.rs:2:17
Dec 12 19:34:54.576 INFO [stderr]   |
Dec 12 19:34:54.576 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 12 19:34:54.576 INFO [stderr]   |                 ^^^  ^^^^^
Dec 12 19:34:54.576 INFO [stderr] 
Dec 12 19:34:54.576 INFO [stderr] warning: unused import: `Read`
Dec 12 19:34:54.576 INFO [stderr]  --> src/client.rs:3:15
Dec 12 19:34:54.576 INFO [stderr]   |
Dec 12 19:34:54.576 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 12 19:34:54.576 INFO [stderr]   |               ^^^^
Dec 12 19:34:54.576 INFO [stderr] 
Dec 12 19:34:54.576 INFO [stderr] warning: unused imports: `thread`, `time`
Dec 12 19:34:54.576 INFO [stderr]  --> src/client.rs:4:11
Dec 12 19:34:54.576 INFO [stderr]   |
Dec 12 19:34:54.576 INFO [stderr] 4 | use std::{thread, time};
Dec 12 19:34:54.576 INFO [stderr]   |           ^^^^^^  ^^^^
Dec 12 19:34:54.576 INFO [stderr] 
Dec 12 19:34:54.632 INFO [stderr] warning: unused variable: `e`
Dec 12 19:34:54.632 INFO [stderr]   --> src/server.rs:32:21
Dec 12 19:34:54.632 INFO [stderr]    |
Dec 12 19:34:54.632 INFO [stderr] 32 |                 Err(e) => ()
Dec 12 19:34:54.632 INFO [stderr]    |                     ^ help: consider using `_e` instead
Dec 12 19:34:54.632 INFO [stderr]    |
Dec 12 19:34:54.632 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 19:34:54.632 INFO [stderr] 
Dec 12 19:34:54.655 INFO [stderr] warning: variable does not need to be mutable
Dec 12 19:34:54.655 INFO [stderr]   --> src/server.rs:37:22
Dec 12 19:34:54.655 INFO [stderr]    |
Dec 12 19:34:54.655 INFO [stderr] 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Dec 12 19:34:54.655 INFO [stderr]    |                      ----^^^^^^
Dec 12 19:34:54.655 INFO [stderr]    |                      |
Dec 12 19:34:54.655 INFO [stderr]    |                      help: remove this `mut`
Dec 12 19:34:54.655 INFO [stderr]    |
Dec 12 19:34:54.655 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 19:34:54.655 INFO [stderr] 
Dec 12 19:34:54.655 INFO [stderr] warning: field is never used: `address`
Dec 12 19:34:54.655 INFO [stderr]  --> src/server.rs:6:5
Dec 12 19:34:54.655 INFO [stderr]   |
Dec 12 19:34:54.655 INFO [stderr] 6 |     address: String,
Dec 12 19:34:54.655 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 19:34:54.655 INFO [stderr]   |
Dec 12 19:34:54.655 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 19:34:54.655 INFO [stderr] 
Dec 12 19:34:54.655 INFO [stderr] warning: field is never used: `messages`
Dec 12 19:34:54.655 INFO [stderr]  --> src/server.rs:9:5
Dec 12 19:34:54.655 INFO [stderr]   |
Dec 12 19:34:54.655 INFO [stderr] 9 |     messages: Vec<String>
Dec 12 19:34:54.655 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:34:54.655 INFO [stderr] 
Dec 12 19:34:54.655 INFO [stderr] warning: field is never used: `address`
Dec 12 19:34:54.655 INFO [stderr]  --> src/client.rs:7:5
Dec 12 19:34:54.655 INFO [stderr]   |
Dec 12 19:34:54.655 INFO [stderr] 7 |     address: String,
Dec 12 19:34:54.655 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 19:34:54.655 INFO [stderr] 
Dec 12 19:34:54.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:34:54.671 INFO [stderr]   --> src/server.rs:39:9
Dec 12 19:34:54.671 INFO [stderr]    |
Dec 12 19:34:54.671 INFO [stderr] 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Dec 12 19:34:54.671 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:34:54.671 INFO [stderr]    |
Dec 12 19:34:54.671 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 19:34:54.671 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:34:54.671 INFO [stderr] 
Dec 12 19:34:54.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:34:54.671 INFO [stderr]   --> src/client.rs:25:9
Dec 12 19:34:54.671 INFO [stderr]    |
Dec 12 19:34:54.671 INFO [stderr] 25 |         self.stream.write(String::from(message).as_bytes());
Dec 12 19:34:54.671 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:34:54.671 INFO [stderr]    |
Dec 12 19:34:54.671 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:34:54.671 INFO [stderr] 
Dec 12 19:34:55.038 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 12 19:34:55.038 INFO [stderr] su: No module specific data is present
Dec 12 19:34:55.905 INFO running `"docker" "inspect" "439d11b337280ffc75f904c6ea2eb599646d4a7355ced53c83631851c798f53b"`
Dec 12 19:34:56.237 INFO running `"docker" "rm" "-f" "439d11b337280ffc75f904c6ea2eb599646d4a7355ced53c83631851c798f53b"`
Dec 12 19:34:56.527 INFO [stdout] 439d11b337280ffc75f904c6ea2eb599646d4a7355ced53c83631851c798f53b
Dec 12 19:34:56.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 19:34:57.045 INFO [stdout] 1a1658a9083c4223de8a7913b420d5502385e8cc4025a7728479c3abe942ffe1
Dec 12 19:34:57.048 INFO running `"docker" "start" "-a" "1a1658a9083c4223de8a7913b420d5502385e8cc4025a7728479c3abe942ffe1"`
Dec 12 19:34:58.946 INFO [stderr] usermod: no changes
Dec 12 19:34:59.048 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 12 19:34:59.048 INFO [stderr]      Running /target/debug/deps/rust_chat-c663ca3301ad1b1c
Dec 12 19:34:59.059 INFO [stdout] 
Dec 12 19:34:59.059 INFO [stdout] running 0 tests
Dec 12 19:34:59.059 INFO [stdout] 
Dec 12 19:34:59.059 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:34:59.059 INFO [stdout] 
Dec 12 19:34:59.063 INFO [stderr] su: No module specific data is present
Dec 12 19:35:00.333 INFO running `"docker" "inspect" "1a1658a9083c4223de8a7913b420d5502385e8cc4025a7728479c3abe942ffe1"`
Dec 12 19:35:00.647 INFO running `"docker" "rm" "-f" "1a1658a9083c4223de8a7913b420d5502385e8cc4025a7728479c3abe942ffe1"`
Dec 12 19:35:00.955 INFO [stdout] 1a1658a9083c4223de8a7913b420d5502385e8cc4025a7728479c3abe942ffe1