Nov 09 01:24:05.713 INFO checking zerovolts/rust-chat against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 01:24:05.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-4/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 01:24:06.158 INFO blam! 55e575b1624bfb044e24faa4baf1c3a16170a9f2bc2d9007b638b64a343b419e
Nov 09 01:24:06.160 INFO running `"docker" "start" "-a" "55e575b1624bfb044e24faa4baf1c3a16170a9f2bc2d9007b638b64a343b419e"`
Nov 09 01:24:07.566 INFO kablam! usermod: no changes
Nov 09 01:24:07.683 INFO kablam!     Checking rust-chat v0.1.0 (/source)
Nov 09 01:24:07.807 INFO kablam! warning: unused import: `Write`
Nov 09 01:24:07.807 INFO kablam!  --> src/server.rs:3:21
Nov 09 01:24:07.807 INFO kablam!   |
Nov 09 01:24:07.807 INFO kablam! 3 | use std::io::{Read, Write};
Nov 09 01:24:07.807 INFO kablam!   |                     ^^^^^
Nov 09 01:24:07.807 INFO kablam!   |
Nov 09 01:24:07.807 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 01:24:07.807 INFO kablam! 
Nov 09 01:24:07.807 INFO kablam! warning: unused import: `TcpListener`
Nov 09 01:24:07.807 INFO kablam!  --> src/client.rs:1:16
Nov 09 01:24:07.807 INFO kablam!   |
Nov 09 01:24:07.807 INFO kablam! 1 | use std::net::{TcpListener, TcpStream};
Nov 09 01:24:07.807 INFO kablam!   |                ^^^^^^^^^^^
Nov 09 01:24:07.807 INFO kablam! 
Nov 09 01:24:07.807 INFO kablam! warning: unused imports: `Arc`, `Mutex`
Nov 09 01:24:07.807 INFO kablam!  --> src/client.rs:2:17
Nov 09 01:24:07.807 INFO kablam!   |
Nov 09 01:24:07.807 INFO kablam! 2 | use std::sync::{Arc, Mutex};
Nov 09 01:24:07.807 INFO kablam!   |                 ^^^  ^^^^^
Nov 09 01:24:07.807 INFO kablam! 
Nov 09 01:24:07.807 INFO kablam! warning: unused import: `Read`
Nov 09 01:24:07.807 INFO kablam!  --> src/client.rs:3:15
Nov 09 01:24:07.807 INFO kablam!   |
Nov 09 01:24:07.807 INFO kablam! 3 | use std::io::{Read, Write};
Nov 09 01:24:07.807 INFO kablam!   |               ^^^^
Nov 09 01:24:07.807 INFO kablam! 
Nov 09 01:24:07.807 INFO kablam! warning: unused imports: `thread`, `time`
Nov 09 01:24:07.807 INFO kablam!  --> src/client.rs:4:11
Nov 09 01:24:07.807 INFO kablam!   |
Nov 09 01:24:07.807 INFO kablam! 4 | use std::{thread, time};
Nov 09 01:24:07.807 INFO kablam!   |           ^^^^^^  ^^^^
Nov 09 01:24:07.807 INFO kablam! 
Nov 09 01:24:07.807 INFO kablam! warning: unused variable: `e`
Nov 09 01:24:07.807 INFO kablam!   --> src/server.rs:32:21
Nov 09 01:24:07.807 INFO kablam!    |
Nov 09 01:24:07.807 INFO kablam! 32 |                 Err(e) => ()
Nov 09 01:24:07.807 INFO kablam!    |                     ^ help: consider using `_e` instead
Nov 09 01:24:07.807 INFO kablam!    |
Nov 09 01:24:07.807 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 01:24:07.807 INFO kablam! 
Nov 09 01:24:07.821 INFO kablam! warning: unused import: `Write`
Nov 09 01:24:07.821 INFO kablam!  --> src/server.rs:3:21
Nov 09 01:24:07.821 INFO kablam!   |
Nov 09 01:24:07.821 INFO kablam! 3 | use std::io::{Read, Write};
Nov 09 01:24:07.821 INFO kablam!   |                     ^^^^^
Nov 09 01:24:07.821 INFO kablam!   |
Nov 09 01:24:07.821 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 01:24:07.821 INFO kablam! 
Nov 09 01:24:07.821 INFO kablam! warning: unused import: `TcpListener`
Nov 09 01:24:07.821 INFO kablam!  --> src/client.rs:1:16
Nov 09 01:24:07.821 INFO kablam!   |
Nov 09 01:24:07.821 INFO kablam! 1 | use std::net::{TcpListener, TcpStream};
Nov 09 01:24:07.827 INFO kablam!   |                ^^^^^^^^^^^
Nov 09 01:24:07.827 INFO kablam! 
Nov 09 01:24:07.827 INFO kablam! warning: unused imports: `Arc`, `Mutex`
Nov 09 01:24:07.827 INFO kablam!  --> src/client.rs:2:17
Nov 09 01:24:07.827 INFO kablam!   |
Nov 09 01:24:07.827 INFO kablam! 2 | use std::sync::{Arc, Mutex};
Nov 09 01:24:07.827 INFO kablam!   |                 ^^^  ^^^^^
Nov 09 01:24:07.827 INFO kablam! 
Nov 09 01:24:07.827 INFO kablam! warning: unused import: `Read`
Nov 09 01:24:07.827 INFO kablam!  --> src/client.rs:3:15
Nov 09 01:24:07.827 INFO kablam!   |
Nov 09 01:24:07.827 INFO kablam! 3 | use std::io::{Read, Write};
Nov 09 01:24:07.827 INFO kablam!   |               ^^^^
Nov 09 01:24:07.827 INFO kablam! 
Nov 09 01:24:07.827 INFO kablam! warning: unused imports: `thread`, `time`
Nov 09 01:24:07.827 INFO kablam!  --> src/client.rs:4:11
Nov 09 01:24:07.827 INFO kablam!   |
Nov 09 01:24:07.827 INFO kablam! 4 | use std::{thread, time};
Nov 09 01:24:07.827 INFO kablam!   |           ^^^^^^  ^^^^
Nov 09 01:24:07.827 INFO kablam! 
Nov 09 01:24:07.839 INFO kablam! warning: variable does not need to be mutable
Nov 09 01:24:07.839 INFO kablam!   --> src/server.rs:37:22
Nov 09 01:24:07.839 INFO kablam!    |
Nov 09 01:24:07.839 INFO kablam! 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 09 01:24:07.839 INFO kablam!    |                      ----^^^^^^
Nov 09 01:24:07.839 INFO kablam!    |                      |
Nov 09 01:24:07.839 INFO kablam!    |                      help: remove this `mut`
Nov 09 01:24:07.839 INFO kablam!    |
Nov 09 01:24:07.839 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 01:24:07.839 INFO kablam! 
Nov 09 01:24:07.839 INFO kablam! warning: field is never used: `address`
Nov 09 01:24:07.839 INFO kablam!  --> src/server.rs:6:5
Nov 09 01:24:07.839 INFO kablam!   |
Nov 09 01:24:07.839 INFO kablam! 6 |     address: String,
Nov 09 01:24:07.839 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 09 01:24:07.839 INFO kablam!   |
Nov 09 01:24:07.839 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 01:24:07.839 INFO kablam! 
Nov 09 01:24:07.839 INFO kablam! warning: field is never used: `messages`
Nov 09 01:24:07.839 INFO kablam!  --> src/server.rs:9:5
Nov 09 01:24:07.839 INFO kablam!   |
Nov 09 01:24:07.839 INFO kablam! 9 |     messages: Vec<String>
Nov 09 01:24:07.839 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 09 01:24:07.839 INFO kablam! 
Nov 09 01:24:07.839 INFO kablam! warning: field is never used: `address`
Nov 09 01:24:07.839 INFO kablam!  --> src/client.rs:7:5
Nov 09 01:24:07.839 INFO kablam!   |
Nov 09 01:24:07.839 INFO kablam! 7 |     address: String,
Nov 09 01:24:07.839 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 09 01:24:07.839 INFO kablam! 
Nov 09 01:24:07.850 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 01:24:07.851 INFO kablam!   --> src/server.rs:39:9
Nov 09 01:24:07.851 INFO kablam!    |
Nov 09 01:24:07.851 INFO kablam! 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 09 01:24:07.851 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 01:24:07.851 INFO kablam!    |
Nov 09 01:24:07.851 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 01:24:07.851 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 01:24:07.851 INFO kablam! 
Nov 09 01:24:07.851 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 01:24:07.851 INFO kablam!   --> src/client.rs:25:9
Nov 09 01:24:07.851 INFO kablam!    |
Nov 09 01:24:07.851 INFO kablam! 25 |         self.stream.write(String::from(message).as_bytes());
Nov 09 01:24:07.851 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 01:24:07.851 INFO kablam!    |
Nov 09 01:24:07.851 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 01:24:07.851 INFO kablam! 
Nov 09 01:24:07.915 INFO kablam! warning: unused variable: `e`
Nov 09 01:24:07.915 INFO kablam!   --> src/server.rs:32:21
Nov 09 01:24:07.915 INFO kablam!    |
Nov 09 01:24:07.915 INFO kablam! 32 |                 Err(e) => ()
Nov 09 01:24:07.915 INFO kablam!    |                     ^ help: consider using `_e` instead
Nov 09 01:24:07.915 INFO kablam!    |
Nov 09 01:24:07.915 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 01:24:07.915 INFO kablam! 
Nov 09 01:24:08.003 INFO kablam! warning: variable does not need to be mutable
Nov 09 01:24:08.003 INFO kablam!   --> src/server.rs:37:22
Nov 09 01:24:08.003 INFO kablam!    |
Nov 09 01:24:08.003 INFO kablam! 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 09 01:24:08.003 INFO kablam!    |                      ----^^^^^^
Nov 09 01:24:08.003 INFO kablam!    |                      |
Nov 09 01:24:08.003 INFO kablam!    |                      help: remove this `mut`
Nov 09 01:24:08.003 INFO kablam!    |
Nov 09 01:24:08.003 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 01:24:08.003 INFO kablam! 
Nov 09 01:24:08.003 INFO kablam! warning: field is never used: `address`
Nov 09 01:24:08.003 INFO kablam!  --> src/server.rs:6:5
Nov 09 01:24:08.003 INFO kablam!   |
Nov 09 01:24:08.003 INFO kablam! 6 |     address: String,
Nov 09 01:24:08.003 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 09 01:24:08.003 INFO kablam!   |
Nov 09 01:24:08.003 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 01:24:08.003 INFO kablam! 
Nov 09 01:24:08.003 INFO kablam! warning: field is never used: `messages`
Nov 09 01:24:08.003 INFO kablam!  --> src/server.rs:9:5
Nov 09 01:24:08.003 INFO kablam!   |
Nov 09 01:24:08.003 INFO kablam! 9 |     messages: Vec<String>
Nov 09 01:24:08.003 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 09 01:24:08.003 INFO kablam! 
Nov 09 01:24:08.003 INFO kablam! warning: field is never used: `address`
Nov 09 01:24:08.003 INFO kablam!  --> src/client.rs:7:5
Nov 09 01:24:08.003 INFO kablam!   |
Nov 09 01:24:08.003 INFO kablam! 7 |     address: String,
Nov 09 01:24:08.003 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 09 01:24:08.003 INFO kablam! 
Nov 09 01:24:08.003 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 01:24:08.003 INFO kablam!   --> src/server.rs:39:9
Nov 09 01:24:08.003 INFO kablam!    |
Nov 09 01:24:08.003 INFO kablam! 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 09 01:24:08.003 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 01:24:08.003 INFO kablam!    |
Nov 09 01:24:08.003 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 01:24:08.003 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 01:24:08.003 INFO kablam! 
Nov 09 01:24:08.003 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 01:24:08.003 INFO kablam!   --> src/client.rs:25:9
Nov 09 01:24:08.003 INFO kablam!    |
Nov 09 01:24:08.003 INFO kablam! 25 |         self.stream.write(String::from(message).as_bytes());
Nov 09 01:24:08.003 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 01:24:08.003 INFO kablam!    |
Nov 09 01:24:08.003 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 01:24:08.003 INFO kablam! 
Nov 09 01:24:08.076 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Nov 09 01:24:08.076 INFO kablam! su: No module specific data is present
Nov 09 01:24:08.748 INFO running `"docker" "rm" "-f" "55e575b1624bfb044e24faa4baf1c3a16170a9f2bc2d9007b638b64a343b419e"`
Nov 09 01:24:09.075 INFO blam! 55e575b1624bfb044e24faa4baf1c3a16170a9f2bc2d9007b638b64a343b419e