Oct 12 09:51:29.336 INFO checking zerovolts/rust-chat against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 09:51:29.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 09:51:29.832 INFO blam! aa179de7c4c0d552013f42aa3178105a1b62032c8d16bee7ad2e95a8a94362f5
Oct 12 09:51:29.840 INFO running `"docker" "start" "-a" "aa179de7c4c0d552013f42aa3178105a1b62032c8d16bee7ad2e95a8a94362f5"`
Oct 12 09:51:31.143 INFO kablam! usermod: no changes
Oct 12 09:51:31.184 INFO kablam!     Checking rust-chat v0.1.0 (/source)
Oct 12 09:51:31.357 INFO kablam! warning: unused import: `Write`
Oct 12 09:51:31.357 INFO kablam!  --> src/server.rs:3:21
Oct 12 09:51:31.358 INFO kablam!   |
Oct 12 09:51:31.358 INFO kablam! 3 | use std::io::{Read, Write};
Oct 12 09:51:31.358 INFO kablam!   |                     ^^^^^
Oct 12 09:51:31.359 INFO kablam!   |
Oct 12 09:51:31.359 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 09:51:31.359 INFO kablam! 
Oct 12 09:51:31.359 INFO kablam! warning: unused import: `TcpListener`
Oct 12 09:51:31.360 INFO kablam!  --> src/client.rs:1:16
Oct 12 09:51:31.360 INFO kablam!   |
Oct 12 09:51:31.360 INFO kablam! 1 | use std::net::{TcpListener, TcpStream};
Oct 12 09:51:31.361 INFO kablam!   |                ^^^^^^^^^^^
Oct 12 09:51:31.361 INFO kablam! 
Oct 12 09:51:31.361 INFO kablam! warning: unused imports: `Arc`, `Mutex`
Oct 12 09:51:31.361 INFO kablam!  --> src/client.rs:2:17
Oct 12 09:51:31.362 INFO kablam!   |
Oct 12 09:51:31.362 INFO kablam! 2 | use std::sync::{Arc, Mutex};
Oct 12 09:51:31.362 INFO kablam!   |                 ^^^  ^^^^^
Oct 12 09:51:31.363 INFO kablam! 
Oct 12 09:51:31.363 INFO kablam! warning: unused import: `Read`
Oct 12 09:51:31.363 INFO kablam!  --> src/client.rs:3:15
Oct 12 09:51:31.363 INFO kablam!   |
Oct 12 09:51:31.364 INFO kablam! 3 | use std::io::{Read, Write};
Oct 12 09:51:31.364 INFO kablam!   |               ^^^^
Oct 12 09:51:31.364 INFO kablam! 
Oct 12 09:51:31.365 INFO kablam! warning: unused imports: `thread`, `time`
Oct 12 09:51:31.365 INFO kablam!  --> src/client.rs:4:11
Oct 12 09:51:31.365 INFO kablam!   |
Oct 12 09:51:31.365 INFO kablam! 4 | use std::{thread, time};
Oct 12 09:51:31.366 INFO kablam!   |           ^^^^^^  ^^^^
Oct 12 09:51:31.366 INFO kablam! 
Oct 12 09:51:31.388 INFO kablam! warning: unused import: `Write`
Oct 12 09:51:31.388 INFO kablam!  --> src/server.rs:3:21
Oct 12 09:51:31.388 INFO kablam!   |
Oct 12 09:51:31.388 INFO kablam! 3 | use std::io::{Read, Write};
Oct 12 09:51:31.388 INFO kablam!   |                     ^^^^^
Oct 12 09:51:31.388 INFO kablam!   |
Oct 12 09:51:31.388 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 09:51:31.388 INFO kablam! 
Oct 12 09:51:31.388 INFO kablam! warning: unused import: `TcpListener`
Oct 12 09:51:31.388 INFO kablam!  --> src/client.rs:1:16
Oct 12 09:51:31.388 INFO kablam!   |
Oct 12 09:51:31.388 INFO kablam! 1 | use std::net::{TcpListener, TcpStream};
Oct 12 09:51:31.388 INFO kablam!   |                ^^^^^^^^^^^
Oct 12 09:51:31.388 INFO kablam! 
Oct 12 09:51:31.388 INFO kablam! warning: unused imports: `Arc`, `Mutex`
Oct 12 09:51:31.388 INFO kablam!  --> src/client.rs:2:17
Oct 12 09:51:31.388 INFO kablam!   |
Oct 12 09:51:31.388 INFO kablam! 2 | use std::sync::{Arc, Mutex};
Oct 12 09:51:31.388 INFO kablam!   |                 ^^^  ^^^^^
Oct 12 09:51:31.388 INFO kablam! 
Oct 12 09:51:31.388 INFO kablam! warning: unused import: `Read`
Oct 12 09:51:31.388 INFO kablam!  --> src/client.rs:3:15
Oct 12 09:51:31.388 INFO kablam!   |
Oct 12 09:51:31.388 INFO kablam! 3 | use std::io::{Read, Write};
Oct 12 09:51:31.388 INFO kablam!   |               ^^^^
Oct 12 09:51:31.388 INFO kablam! 
Oct 12 09:51:31.388 INFO kablam! warning: unused imports: `thread`, `time`
Oct 12 09:51:31.388 INFO kablam!  --> src/client.rs:4:11
Oct 12 09:51:31.388 INFO kablam!   |
Oct 12 09:51:31.388 INFO kablam! 4 | use std::{thread, time};
Oct 12 09:51:31.388 INFO kablam!   |           ^^^^^^  ^^^^
Oct 12 09:51:31.388 INFO kablam! 
Oct 12 09:51:31.426 INFO kablam! warning: unused variable: `e`
Oct 12 09:51:31.436 INFO kablam!   --> src/server.rs:32:21
Oct 12 09:51:31.436 INFO kablam!    |
Oct 12 09:51:31.437 INFO kablam! 32 |                 Err(e) => ()
Oct 12 09:51:31.437 INFO kablam!    |                     ^ help: consider using `_e` instead
Oct 12 09:51:31.437 INFO kablam!    |
Oct 12 09:51:31.437 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 09:51:31.437 INFO kablam! 
Oct 12 09:51:31.438 INFO kablam! warning: variable does not need to be mutable
Oct 12 09:51:31.438 INFO kablam!   --> src/server.rs:37:22
Oct 12 09:51:31.438 INFO kablam!    |
Oct 12 09:51:31.438 INFO kablam! 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Oct 12 09:51:31.438 INFO kablam!    |                      ----^^^^^^
Oct 12 09:51:31.438 INFO kablam!    |                      |
Oct 12 09:51:31.438 INFO kablam!    |                      help: remove this `mut`
Oct 12 09:51:31.438 INFO kablam!    |
Oct 12 09:51:31.438 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 09:51:31.439 INFO kablam! 
Oct 12 09:51:31.440 INFO kablam! warning: field is never used: `address`
Oct 12 09:51:31.440 INFO kablam!  --> src/server.rs:6:5
Oct 12 09:51:31.440 INFO kablam!   |
Oct 12 09:51:31.449 INFO kablam! 6 |     address: String,
Oct 12 09:51:31.449 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 09:51:31.449 INFO kablam!   |
Oct 12 09:51:31.450 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 09:51:31.450 INFO kablam! 
Oct 12 09:51:31.450 INFO kablam! warning: field is never used: `messages`
Oct 12 09:51:31.450 INFO kablam!  --> src/server.rs:9:5
Oct 12 09:51:31.450 INFO kablam!   |
Oct 12 09:51:31.450 INFO kablam! 9 |     messages: Vec<String>
Oct 12 09:51:31.450 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:51:31.450 INFO kablam! 
Oct 12 09:51:31.450 INFO kablam! warning: field is never used: `address`
Oct 12 09:51:31.450 INFO kablam!  --> src/client.rs:7:5
Oct 12 09:51:31.450 INFO kablam!   |
Oct 12 09:51:31.450 INFO kablam! 7 |     address: String,
Oct 12 09:51:31.450 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 09:51:31.450 INFO kablam! 
Oct 12 09:51:31.457 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:51:31.457 INFO kablam!   --> src/server.rs:39:9
Oct 12 09:51:31.457 INFO kablam!    |
Oct 12 09:51:31.457 INFO kablam! 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Oct 12 09:51:31.457 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:51:31.457 INFO kablam!    |
Oct 12 09:51:31.457 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 09:51:31.457 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:51:31.457 INFO kablam! 
Oct 12 09:51:31.464 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:51:31.464 INFO kablam!   --> src/client.rs:25:9
Oct 12 09:51:31.464 INFO kablam!    |
Oct 12 09:51:31.464 INFO kablam! 25 |         self.stream.write(String::from(message).as_bytes());
Oct 12 09:51:31.464 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:51:31.464 INFO kablam!    |
Oct 12 09:51:31.464 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:51:31.464 INFO kablam! 
Oct 12 09:51:31.500 INFO kablam! warning: unused variable: `e`
Oct 12 09:51:31.500 INFO kablam!   --> src/server.rs:32:21
Oct 12 09:51:31.500 INFO kablam!    |
Oct 12 09:51:31.500 INFO kablam! 32 |                 Err(e) => ()
Oct 12 09:51:31.501 INFO kablam!    |                     ^ help: consider using `_e` instead
Oct 12 09:51:31.501 INFO kablam!    |
Oct 12 09:51:31.501 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 09:51:31.501 INFO kablam! 
Oct 12 09:51:31.520 INFO kablam! warning: variable does not need to be mutable
Oct 12 09:51:31.520 INFO kablam!   --> src/server.rs:37:22
Oct 12 09:51:31.521 INFO kablam!    |
Oct 12 09:51:31.521 INFO kablam! 37 |     fn handle_client(mut stream: Arc<Mutex<TcpStream>>) {
Oct 12 09:51:31.521 INFO kablam!    |                      ----^^^^^^
Oct 12 09:51:31.521 INFO kablam!    |                      |
Oct 12 09:51:31.521 INFO kablam!    |                      help: remove this `mut`
Oct 12 09:51:31.521 INFO kablam!    |
Oct 12 09:51:31.521 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 09:51:31.521 INFO kablam! 
Oct 12 09:51:31.528 INFO kablam! warning: field is never used: `address`
Oct 12 09:51:31.529 INFO kablam!  --> src/server.rs:6:5
Oct 12 09:51:31.529 INFO kablam!   |
Oct 12 09:51:31.529 INFO kablam! 6 |     address: String,
Oct 12 09:51:31.529 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 09:51:31.529 INFO kablam!   |
Oct 12 09:51:31.529 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 09:51:31.529 INFO kablam! 
Oct 12 09:51:31.529 INFO kablam! warning: field is never used: `messages`
Oct 12 09:51:31.529 INFO kablam!  --> src/server.rs:9:5
Oct 12 09:51:31.529 INFO kablam!   |
Oct 12 09:51:31.529 INFO kablam! 9 |     messages: Vec<String>
Oct 12 09:51:31.529 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:51:31.529 INFO kablam! 
Oct 12 09:51:31.529 INFO kablam! warning: field is never used: `address`
Oct 12 09:51:31.529 INFO kablam!  --> src/client.rs:7:5
Oct 12 09:51:31.529 INFO kablam!   |
Oct 12 09:51:31.529 INFO kablam! 7 |     address: String,
Oct 12 09:51:31.529 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 09:51:31.529 INFO kablam! 
Oct 12 09:51:31.534 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:51:31.534 INFO kablam!   --> src/server.rs:39:9
Oct 12 09:51:31.535 INFO kablam!    |
Oct 12 09:51:31.535 INFO kablam! 39 |         stream.lock().unwrap().read_to_string(&mut buffer);
Oct 12 09:51:31.535 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:51:31.535 INFO kablam!    |
Oct 12 09:51:31.535 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 09:51:31.535 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:51:31.535 INFO kablam! 
Oct 12 09:51:31.535 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 09:51:31.535 INFO kablam!   --> src/client.rs:25:9
Oct 12 09:51:31.535 INFO kablam!    |
Oct 12 09:51:31.535 INFO kablam! 25 |         self.stream.write(String::from(message).as_bytes());
Oct 12 09:51:31.535 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 09:51:31.535 INFO kablam!    |
Oct 12 09:51:31.535 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 09:51:31.535 INFO kablam! 
Oct 12 09:51:31.566 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Oct 12 09:51:31.566 INFO kablam! su: No module specific data is present
Oct 12 09:51:32.342 INFO running `"docker" "rm" "-f" "aa179de7c4c0d552013f42aa3178105a1b62032c8d16bee7ad2e95a8a94362f5"`
Oct 12 09:51:32.654 INFO blam! aa179de7c4c0d552013f42aa3178105a1b62032c8d16bee7ad2e95a8a94362f5