Oct 12 20:15:34.441 INFO checking irtefa/line-chat against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:15:34.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 20:15:34.704 INFO blam! 44887225fd6ca458694682070a3552e0ee9f7d120af1de091726b7fee3bf4536
Oct 12 20:15:34.707 INFO running `"docker" "start" "-a" "44887225fd6ca458694682070a3552e0ee9f7d120af1de091726b7fee3bf4536"`
Oct 12 20:15:35.360 INFO kablam! usermod: no changes
Oct 12 20:15:35.480 INFO kablam!     Checking tokio v0.1.1
Oct 12 20:15:37.148 INFO kablam!     Checking line-chat v0.1.0 (/source)
Oct 12 20:15:38.139 INFO kablam! warning: unused import: `TcpStream`
Oct 12 20:15:38.139 INFO kablam!  --> src/main.rs:9:31
Oct 12 20:15:38.139 INFO kablam!   |
Oct 12 20:15:38.139 INFO kablam! 9 | use tokio::net::{TcpListener, TcpStream};
Oct 12 20:15:38.139 INFO kablam!   |                               ^^^^^^^^^
Oct 12 20:15:38.139 INFO kablam!   |
Oct 12 20:15:38.139 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 20:15:38.139 INFO kablam! 
Oct 12 20:15:38.139 INFO kablam! warning: unused import: `AsyncRead`
Oct 12 20:15:38.139 INFO kablam!   --> src/main.rs:10:16
Oct 12 20:15:38.139 INFO kablam!    |
Oct 12 20:15:38.139 INFO kablam! 10 | use tokio_io::{AsyncRead};
Oct 12 20:15:38.139 INFO kablam!    |                ^^^^^^^^^
Oct 12 20:15:38.139 INFO kablam! 
Oct 12 20:15:38.139 INFO kablam! warning: unused imports: `Either`, `self`
Oct 12 20:15:38.139 INFO kablam!   --> src/main.rs:13:23
Oct 12 20:15:38.139 INFO kablam!    |
Oct 12 20:15:38.139 INFO kablam! 13 | use futures::future::{self, Either};
Oct 12 20:15:38.139 INFO kablam!    |                       ^^^^  ^^^^^^
Oct 12 20:15:38.139 INFO kablam! 
Oct 12 20:15:38.139 INFO kablam! warning: unused imports: `BufMut`, `BytesMut`
Oct 12 20:15:38.140 INFO kablam!   --> src/main.rs:14:13
Oct 12 20:15:38.140 INFO kablam!    |
Oct 12 20:15:38.140 INFO kablam! 14 | use bytes::{BytesMut, Bytes, BufMut};
Oct 12 20:15:38.140 INFO kablam!    |             ^^^^^^^^         ^^^^^^
Oct 12 20:15:38.140 INFO kablam! 
Oct 12 20:15:38.140 INFO kablam! warning: unused imports: `Write`, `self`
Oct 12 20:15:38.140 INFO kablam!   --> src/main.rs:16:15
Oct 12 20:15:38.140 INFO kablam!    |
Oct 12 20:15:38.140 INFO kablam! 16 | use std::io::{self, Write};
Oct 12 20:15:38.140 INFO kablam!    |               ^^^^  ^^^^^
Oct 12 20:15:38.140 INFO kablam! 
Oct 12 20:15:38.140 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 20:15:38.140 INFO kablam!   --> src/main.rs:17:5
Oct 12 20:15:38.140 INFO kablam!    |
Oct 12 20:15:38.140 INFO kablam! 17 | use std::cell::RefCell;
Oct 12 20:15:38.140 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.140 INFO kablam! 
Oct 12 20:15:38.140 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 20:15:38.140 INFO kablam!   --> src/main.rs:18:5
Oct 12 20:15:38.140 INFO kablam!    |
Oct 12 20:15:38.140 INFO kablam! 18 | use std::collections::HashMap;
Oct 12 20:15:38.140 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.140 INFO kablam! 
Oct 12 20:15:38.140 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 12 20:15:38.140 INFO kablam!   --> src/main.rs:20:5
Oct 12 20:15:38.140 INFO kablam!    |
Oct 12 20:15:38.140 INFO kablam! 20 | use std::rc::Rc;
Oct 12 20:15:38.140 INFO kablam!    |     ^^^^^^^^^^^
Oct 12 20:15:38.140 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused import: `TcpStream`
Oct 12 20:15:38.185 INFO kablam!  --> src/main.rs:9:31
Oct 12 20:15:38.185 INFO kablam!   |
Oct 12 20:15:38.185 INFO kablam! 9 | use tokio::net::{TcpListener, TcpStream};
Oct 12 20:15:38.185 INFO kablam!   |                               ^^^^^^^^^
Oct 12 20:15:38.185 INFO kablam!   |
Oct 12 20:15:38.185 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused import: `AsyncRead`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:10:16
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 10 | use tokio_io::{AsyncRead};
Oct 12 20:15:38.185 INFO kablam!    |                ^^^^^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused imports: `Either`, `self`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:13:23
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 13 | use futures::future::{self, Either};
Oct 12 20:15:38.185 INFO kablam!    |                       ^^^^  ^^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused imports: `BufMut`, `BytesMut`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:14:13
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 14 | use bytes::{BytesMut, Bytes, BufMut};
Oct 12 20:15:38.185 INFO kablam!    |             ^^^^^^^^         ^^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused imports: `Write`, `self`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:16:15
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 16 | use std::io::{self, Write};
Oct 12 20:15:38.185 INFO kablam!    |               ^^^^  ^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:17:5
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 17 | use std::cell::RefCell;
Oct 12 20:15:38.185 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:18:5
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 18 | use std::collections::HashMap;
Oct 12 20:15:38.185 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.185 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 12 20:15:38.185 INFO kablam!   --> src/main.rs:20:5
Oct 12 20:15:38.185 INFO kablam!    |
Oct 12 20:15:38.185 INFO kablam! 20 | use std::rc::Rc;
Oct 12 20:15:38.185 INFO kablam!    |     ^^^^^^^^^^^
Oct 12 20:15:38.185 INFO kablam! 
Oct 12 20:15:38.235 INFO kablam! warning: unused variable: `socket`
Oct 12 20:15:38.235 INFO kablam!   --> src/main.rs:33:53
Oct 12 20:15:38.235 INFO kablam!    |
Oct 12 20:15:38.236 INFO kablam! 33 |     let server = listener.incoming().for_each(move |socket| {
Oct 12 20:15:38.236 INFO kablam!    |                                                     ^^^^^^ help: consider using `_socket` instead
Oct 12 20:15:38.236 INFO kablam!    |
Oct 12 20:15:38.236 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 20:15:38.236 INFO kablam! 
Oct 12 20:15:38.241 INFO kablam! warning: unused variable: `socket`
Oct 12 20:15:38.241 INFO kablam!   --> src/main.rs:33:53
Oct 12 20:15:38.241 INFO kablam!    |
Oct 12 20:15:38.241 INFO kablam! 33 |     let server = listener.incoming().for_each(move |socket| {
Oct 12 20:15:38.241 INFO kablam!    |                                                     ^^^^^^ help: consider using `_socket` instead
Oct 12 20:15:38.241 INFO kablam!    |
Oct 12 20:15:38.242 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 20:15:38.242 INFO kablam! 
Oct 12 20:15:38.244 INFO kablam! warning: type alias is never used: `Tx`
Oct 12 20:15:38.244 INFO kablam!   --> src/main.rs:23:1
Oct 12 20:15:38.244 INFO kablam!    |
Oct 12 20:15:38.244 INFO kablam! 23 | type Tx = mpsc::UnboundedSender<Bytes>;
Oct 12 20:15:38.244 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.245 INFO kablam!    |
Oct 12 20:15:38.245 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 20:15:38.245 INFO kablam! 
Oct 12 20:15:38.245 INFO kablam! warning: type alias is never used: `Rx`
Oct 12 20:15:38.245 INFO kablam!   --> src/main.rs:26:1
Oct 12 20:15:38.245 INFO kablam!    |
Oct 12 20:15:38.245 INFO kablam! 26 | type Rx = mpsc::UnboundedReceiver<Bytes>;
Oct 12 20:15:38.246 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.246 INFO kablam! 
Oct 12 20:15:38.252 INFO kablam! warning: type alias is never used: `Tx`
Oct 12 20:15:38.252 INFO kablam!   --> src/main.rs:23:1
Oct 12 20:15:38.252 INFO kablam!    |
Oct 12 20:15:38.252 INFO kablam! 23 | type Tx = mpsc::UnboundedSender<Bytes>;
Oct 12 20:15:38.252 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.252 INFO kablam!    |
Oct 12 20:15:38.252 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 20:15:38.252 INFO kablam! 
Oct 12 20:15:38.252 INFO kablam! warning: type alias is never used: `Rx`
Oct 12 20:15:38.252 INFO kablam!   --> src/main.rs:26:1
Oct 12 20:15:38.252 INFO kablam!    |
Oct 12 20:15:38.252 INFO kablam! 26 | type Rx = mpsc::UnboundedReceiver<Bytes>;
Oct 12 20:15:38.252 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:15:38.252 INFO kablam! 
Oct 12 20:15:38.280 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
Oct 12 20:15:38.283 INFO kablam! su: No module specific data is present
Oct 12 20:15:38.687 INFO running `"docker" "rm" "-f" "44887225fd6ca458694682070a3552e0ee9f7d120af1de091726b7fee3bf4536"`
Oct 12 20:15:39.036 INFO blam! 44887225fd6ca458694682070a3552e0ee9f7d120af1de091726b7fee3bf4536