Nov 02 02:39:32.242 INFO checking zerovolts/rust-chat against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 02:39:32.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 02:39:32.738 INFO blam! c3a5a1c35b23c601c021e263752dff5c61f49091c0452139cbd1e6aedb907863
Nov 02 02:39:32.740 INFO running `"docker" "start" "-a" "c3a5a1c35b23c601c021e263752dff5c61f49091c0452139cbd1e6aedb907863"`
Nov 02 02:39:33.989 INFO kablam! usermod: no changes
Nov 02 02:39:34.097 INFO kablam!     Checking rust-chat v0.1.0 (/source)
Nov 02 02:39:34.241 INFO kablam! warning: unused import: `Write`
Nov 02 02:39:34.241 INFO kablam!  --> src/server.rs:3:21
Nov 02 02:39:34.241 INFO kablam!   |
Nov 02 02:39:34.241 INFO kablam! 3 | use std::io::{Read, Write};
Nov 02 02:39:34.241 INFO kablam!   |                     ^^^^^
Nov 02 02:39:34.241 INFO kablam!   |
Nov 02 02:39:34.241 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 02:39:34.242 INFO kablam! 
Nov 02 02:39:34.242 INFO kablam! warning: unused import: `TcpListener`
Nov 02 02:39:34.242 INFO kablam!  --> src/client.rs:1:16
Nov 02 02:39:34.242 INFO kablam!   |
Nov 02 02:39:34.242 INFO kablam! 1 | use std::net::{TcpListener, TcpStream};
Nov 02 02:39:34.242 INFO kablam!   |                ^^^^^^^^^^^
Nov 02 02:39:34.242 INFO kablam! 
Nov 02 02:39:34.242 INFO kablam! warning: unused imports: `Arc`, `Mutex`
Nov 02 02:39:34.243 INFO kablam!  --> src/client.rs:2:17
Nov 02 02:39:34.243 INFO kablam!   |
Nov 02 02:39:34.243 INFO kablam! 2 | use std::sync::{Arc, Mutex};
Nov 02 02:39:34.243 INFO kablam!   |                 ^^^  ^^^^^
Nov 02 02:39:34.243 INFO kablam! 
Nov 02 02:39:34.243 INFO kablam! warning: unused import: `Read`
Nov 02 02:39:34.243 INFO kablam!  --> src/client.rs:3:15
Nov 02 02:39:34.244 INFO kablam!   |
Nov 02 02:39:34.244 INFO kablam! 3 | use std::io::{Read, Write};
Nov 02 02:39:34.244 INFO kablam!   |               ^^^^
Nov 02 02:39:34.244 INFO kablam! 
Nov 02 02:39:34.244 INFO kablam! warning: unused imports: `thread`, `time`
Nov 02 02:39:34.244 INFO kablam!  --> src/client.rs:4:11
Nov 02 02:39:34.244 INFO kablam!   |
Nov 02 02:39:34.245 INFO kablam! 4 | use std::{thread, time};
Nov 02 02:39:34.245 INFO kablam!   |           ^^^^^^  ^^^^
Nov 02 02:39:34.245 INFO kablam! 
Nov 02 02:39:34.245 INFO kablam! warning: unused variable: `e`
Nov 02 02:39:34.245 INFO kablam!   --> src/server.rs:32:21
Nov 02 02:39:34.245 INFO kablam!    |
Nov 02 02:39:34.245 INFO kablam! 32 |                 Err(e) => ()
Nov 02 02:39:34.245 INFO kablam!    |                     ^ help: consider using `_e` instead
Nov 02 02:39:34.246 INFO kablam!    |
Nov 02 02:39:34.246 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 02:39:34.246 INFO kablam! 
Nov 02 02:39:34.246 INFO kablam! warning: unused import: `Write`
Nov 02 02:39:34.246 INFO kablam!  --> src/server.rs:3:21
Nov 02 02:39:34.246 INFO kablam!   |
Nov 02 02:39:34.246 INFO kablam! 3 | use std::io::{Read, Write};
Nov 02 02:39:34.246 INFO kablam!   |                     ^^^^^
Nov 02 02:39:34.247 INFO kablam!   |
Nov 02 02:39:34.247 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 02:39:34.247 INFO kablam! 
Nov 02 02:39:34.247 INFO kablam! warning: unused import: `TcpListener`
Nov 02 02:39:34.247 INFO kablam!  --> src/client.rs:1:16
Nov 02 02:39:34.247 INFO kablam!   |
Nov 02 02:39:34.247 INFO kablam! 1 | use std::net::{TcpListener, TcpStream};
Nov 02 02:39:34.247 INFO kablam!   |                ^^^^^^^^^^^
Nov 02 02:39:34.248 INFO kablam! 
Nov 02 02:39:34.248 INFO kablam! warning: unused imports: `Arc`, `Mutex`
Nov 02 02:39:34.248 INFO kablam!  --> src/client.rs:2:17
Nov 02 02:39:34.248 INFO kablam!   |
Nov 02 02:39:34.252 INFO kablam! 2 | use std::sync::{Arc, Mutex};
Nov 02 02:39:34.252 INFO kablam!   |                 ^^^  ^^^^^
Nov 02 02:39:34.253 INFO kablam! 
Nov 02 02:39:34.253 INFO kablam! warning: unused import: `Read`
Nov 02 02:39:34.253 INFO kablam!  --> src/client.rs:3:15
Nov 02 02:39:34.253 INFO kablam!   |
Nov 02 02:39:34.253 INFO kablam! 3 | use std::io::{Read, Write};
Nov 02 02:39:34.253 INFO kablam!   |               ^^^^
Nov 02 02:39:34.253 INFO kablam! 
Nov 02 02:39:34.254 INFO kablam! warning: unused imports: `thread`, `time`
Nov 02 02:39:34.254 INFO kablam!  --> src/client.rs:4:11
Nov 02 02:39:34.254 INFO kablam!   |
Nov 02 02:39:34.254 INFO kablam! 4 | use std::{thread, time};
Nov 02 02:39:34.254 INFO kablam!   |           ^^^^^^  ^^^^
Nov 02 02:39:34.254 INFO kablam! 
Nov 02 02:39:34.254 INFO kablam! warning: variable does not need to be mutable
Nov 02 02:39:34.255 INFO kablam!   --> src/server.rs:37:22
Nov 02 02:39:34.255 INFO kablam!    |
Nov 02 02:39:34.255 INFO kablam! 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 02 02:39:34.255 INFO kablam!    |                      ----^^^^^^
Nov 02 02:39:34.255 INFO kablam!    |                      |
Nov 02 02:39:34.255 INFO kablam!    |                      help: remove this `mut`
Nov 02 02:39:34.255 INFO kablam!    |
Nov 02 02:39:34.255 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 02:39:34.256 INFO kablam! 
Nov 02 02:39:34.256 INFO kablam! warning: field is never used: `address`
Nov 02 02:39:34.256 INFO kablam!  --> src/server.rs:6:5
Nov 02 02:39:34.256 INFO kablam!   |
Nov 02 02:39:34.256 INFO kablam! 6 |     address: String,
Nov 02 02:39:34.256 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 02 02:39:34.256 INFO kablam!   |
Nov 02 02:39:34.257 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 02:39:34.257 INFO kablam! 
Nov 02 02:39:34.257 INFO kablam! warning: field is never used: `messages`
Nov 02 02:39:34.257 INFO kablam!  --> src/server.rs:9:5
Nov 02 02:39:34.257 INFO kablam!   |
Nov 02 02:39:34.257 INFO kablam! 9 |     messages: Vec<String>
Nov 02 02:39:34.257 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:39:34.257 INFO kablam! 
Nov 02 02:39:34.257 INFO kablam! warning: field is never used: `address`
Nov 02 02:39:34.258 INFO kablam!  --> src/client.rs:7:5
Nov 02 02:39:34.258 INFO kablam!   |
Nov 02 02:39:34.258 INFO kablam! 7 |     address: String,
Nov 02 02:39:34.258 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 02 02:39:34.258 INFO kablam! 
Nov 02 02:39:34.264 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 02:39:34.264 INFO kablam!   --> src/server.rs:39:9
Nov 02 02:39:34.264 INFO kablam!    |
Nov 02 02:39:34.265 INFO kablam! 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 02 02:39:34.265 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:39:34.312 INFO kablam!    |
Nov 02 02:39:34.313 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 02:39:34.313 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 02:39:34.313 INFO kablam! 
Nov 02 02:39:34.313 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 02:39:34.313 INFO kablam!   --> src/client.rs:25:9
Nov 02 02:39:34.313 INFO kablam!    |
Nov 02 02:39:34.314 INFO kablam! 25 |         self.stream.write(String::from(message).as_bytes());
Nov 02 02:39:34.314 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:39:34.314 INFO kablam!    |
Nov 02 02:39:34.314 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 02:39:34.314 INFO kablam! 
Nov 02 02:39:34.375 INFO kablam! warning: unused variable: `e`
Nov 02 02:39:34.375 INFO kablam!   --> src/server.rs:32:21
Nov 02 02:39:34.375 INFO kablam!    |
Nov 02 02:39:34.375 INFO kablam! 32 |                 Err(e) => ()
Nov 02 02:39:34.375 INFO kablam!    |                     ^ help: consider using `_e` instead
Nov 02 02:39:34.375 INFO kablam!    |
Nov 02 02:39:34.375 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 02:39:34.375 INFO kablam! 
Nov 02 02:39:34.375 INFO kablam! warning: variable does not need to be mutable
Nov 02 02:39:34.375 INFO kablam!   --> src/server.rs:37:22
Nov 02 02:39:34.376 INFO kablam!    |
Nov 02 02:39:34.376 INFO kablam! 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Nov 02 02:39:34.376 INFO kablam!    |                      ----^^^^^^
Nov 02 02:39:34.376 INFO kablam!    |                      |
Nov 02 02:39:34.376 INFO kablam!    |                      help: remove this `mut`
Nov 02 02:39:34.376 INFO kablam!    |
Nov 02 02:39:34.376 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 02:39:34.376 INFO kablam! 
Nov 02 02:39:34.376 INFO kablam! warning: field is never used: `address`
Nov 02 02:39:34.376 INFO kablam!  --> src/server.rs:6:5
Nov 02 02:39:34.376 INFO kablam!   |
Nov 02 02:39:34.376 INFO kablam! 6 |     address: String,
Nov 02 02:39:34.376 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 02 02:39:34.376 INFO kablam!   |
Nov 02 02:39:34.376 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 02:39:34.376 INFO kablam! 
Nov 02 02:39:34.376 INFO kablam! warning: field is never used: `messages`
Nov 02 02:39:34.376 INFO kablam!  --> src/server.rs:9:5
Nov 02 02:39:34.376 INFO kablam!   |
Nov 02 02:39:34.376 INFO kablam! 9 |     messages: Vec<String>
Nov 02 02:39:34.376 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:39:34.376 INFO kablam! 
Nov 02 02:39:34.376 INFO kablam! warning: field is never used: `address`
Nov 02 02:39:34.376 INFO kablam!  --> src/client.rs:7:5
Nov 02 02:39:34.376 INFO kablam!   |
Nov 02 02:39:34.376 INFO kablam! 7 |     address: String,
Nov 02 02:39:34.376 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 02 02:39:34.376 INFO kablam! 
Nov 02 02:39:34.376 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 02:39:34.376 INFO kablam!   --> src/server.rs:39:9
Nov 02 02:39:34.380 INFO kablam!    |
Nov 02 02:39:34.381 INFO kablam! 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Nov 02 02:39:34.381 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:39:34.381 INFO kablam!    |
Nov 02 02:39:34.381 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 02:39:34.381 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 02:39:34.381 INFO kablam! 
Nov 02 02:39:34.381 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 02:39:34.381 INFO kablam!   --> src/client.rs:25:9
Nov 02 02:39:34.381 INFO kablam!    |
Nov 02 02:39:34.381 INFO kablam! 25 |         self.stream.write(String::from(message).as_bytes());
Nov 02 02:39:34.381 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:39:34.381 INFO kablam!    |
Nov 02 02:39:34.381 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 02:39:34.381 INFO kablam! 
Nov 02 02:39:34.452 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Nov 02 02:39:34.453 INFO kablam! su: No module specific data is present
Nov 02 02:39:34.957 INFO running `"docker" "rm" "-f" "c3a5a1c35b23c601c021e263752dff5c61f49091c0452139cbd1e6aedb907863"`
Nov 02 02:39:35.261 INFO blam! c3a5a1c35b23c601c021e263752dff5c61f49091c0452139cbd1e6aedb907863