Nov 01 03:40:47.382 INFO checking irtefa/line-chat against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:40:47.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 03:40:47.881 INFO blam! d62779c80c5d16a5c53d4445270690326adb0864b3860a18c50f2c5e89842b6f
Nov 01 03:40:47.883 INFO running `"docker" "start" "-a" "d62779c80c5d16a5c53d4445270690326adb0864b3860a18c50f2c5e89842b6f"`
Nov 01 03:40:49.727 INFO kablam! usermod: no changes
Nov 01 03:40:49.868 INFO kablam!     Checking tokio v0.1.1
Nov 01 03:40:51.348 INFO kablam!     Checking line-chat v0.1.0 (/source)
Nov 01 03:40:52.320 INFO kablam! warning: unused import: `TcpStream`
Nov 01 03:40:52.321 INFO kablam!  --> src/main.rs:9:31
Nov 01 03:40:52.322 INFO kablam!   |
Nov 01 03:40:52.322 INFO kablam! 9 | use tokio::net::{TcpListener, TcpStream};
Nov 01 03:40:52.323 INFO kablam!   |                               ^^^^^^^^^
Nov 01 03:40:52.323 INFO kablam!   |
Nov 01 03:40:52.323 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:40:52.324 INFO kablam! 
Nov 01 03:40:52.324 INFO kablam! warning: unused import: `AsyncRead`
Nov 01 03:40:52.324 INFO kablam!   --> src/main.rs:10:16
Nov 01 03:40:52.325 INFO kablam!    |
Nov 01 03:40:52.325 INFO kablam! 10 | use tokio_io::{AsyncRead};
Nov 01 03:40:52.325 INFO kablam!    |                ^^^^^^^^^
Nov 01 03:40:52.325 INFO kablam! 
Nov 01 03:40:52.325 INFO kablam! warning: unused imports: `Either`, `self`
Nov 01 03:40:52.325 INFO kablam!   --> src/main.rs:13:23
Nov 01 03:40:52.325 INFO kablam!    |
Nov 01 03:40:52.326 INFO kablam! 13 | use futures::future::{self, Either};
Nov 01 03:40:52.326 INFO kablam!    |                       ^^^^  ^^^^^^
Nov 01 03:40:52.326 INFO kablam! 
Nov 01 03:40:52.326 INFO kablam! warning: unused imports: `BufMut`, `BytesMut`
Nov 01 03:40:52.326 INFO kablam!   --> src/main.rs:14:13
Nov 01 03:40:52.326 INFO kablam!    |
Nov 01 03:40:52.327 INFO kablam! 14 | use bytes::{BytesMut, Bytes, BufMut};
Nov 01 03:40:52.327 INFO kablam!    |             ^^^^^^^^         ^^^^^^
Nov 01 03:40:52.327 INFO kablam! 
Nov 01 03:40:52.327 INFO kablam! warning: unused imports: `Write`, `self`
Nov 01 03:40:52.327 INFO kablam!   --> src/main.rs:16:15
Nov 01 03:40:52.327 INFO kablam!    |
Nov 01 03:40:52.327 INFO kablam! 16 | use std::io::{self, Write};
Nov 01 03:40:52.328 INFO kablam!    |               ^^^^  ^^^^^
Nov 01 03:40:52.328 INFO kablam! 
Nov 01 03:40:52.328 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 01 03:40:52.328 INFO kablam!   --> src/main.rs:17:5
Nov 01 03:40:52.328 INFO kablam!    |
Nov 01 03:40:52.328 INFO kablam! 17 | use std::cell::RefCell;
Nov 01 03:40:52.328 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.329 INFO kablam! 
Nov 01 03:40:52.329 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 03:40:52.329 INFO kablam!   --> src/main.rs:18:5
Nov 01 03:40:52.329 INFO kablam!    |
Nov 01 03:40:52.329 INFO kablam! 18 | use std::collections::HashMap;
Nov 01 03:40:52.329 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.330 INFO kablam! 
Nov 01 03:40:52.330 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 03:40:52.330 INFO kablam!   --> src/main.rs:20:5
Nov 01 03:40:52.330 INFO kablam!    |
Nov 01 03:40:52.330 INFO kablam! 20 | use std::rc::Rc;
Nov 01 03:40:52.330 INFO kablam!    |     ^^^^^^^^^^^
Nov 01 03:40:52.330 INFO kablam! 
Nov 01 03:40:52.432 INFO kablam! warning: unused variable: `socket`
Nov 01 03:40:52.433 INFO kablam!   --> src/main.rs:33:53
Nov 01 03:40:52.433 INFO kablam!    |
Nov 01 03:40:52.433 INFO kablam! 33 |     let server = listener.incoming().for_each(move |socket| {
Nov 01 03:40:52.433 INFO kablam!    |                                                     ^^^^^^ help: consider using `_socket` instead
Nov 01 03:40:52.433 INFO kablam!    |
Nov 01 03:40:52.433 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:40:52.434 INFO kablam! 
Nov 01 03:40:52.449 INFO kablam! warning: type alias is never used: `Tx`
Nov 01 03:40:52.449 INFO kablam!   --> src/main.rs:23:1
Nov 01 03:40:52.449 INFO kablam!    |
Nov 01 03:40:52.449 INFO kablam! 23 | type Tx = mpsc::UnboundedSender<Bytes>;
Nov 01 03:40:52.449 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.449 INFO kablam!    |
Nov 01 03:40:52.449 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 03:40:52.449 INFO kablam! 
Nov 01 03:40:52.449 INFO kablam! warning: type alias is never used: `Rx`
Nov 01 03:40:52.449 INFO kablam!   --> src/main.rs:26:1
Nov 01 03:40:52.449 INFO kablam!    |
Nov 01 03:40:52.449 INFO kablam! 26 | type Rx = mpsc::UnboundedReceiver<Bytes>;
Nov 01 03:40:52.449 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.449 INFO kablam! 
Nov 01 03:40:52.618 INFO kablam! warning: unused import: `TcpStream`
Nov 01 03:40:52.618 INFO kablam!  --> src/main.rs:9:31
Nov 01 03:40:52.618 INFO kablam!   |
Nov 01 03:40:52.618 INFO kablam! 9 | use tokio::net::{TcpListener, TcpStream};
Nov 01 03:40:52.618 INFO kablam!   |                               ^^^^^^^^^
Nov 01 03:40:52.618 INFO kablam!   |
Nov 01 03:40:52.618 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:40:52.618 INFO kablam! 
Nov 01 03:40:52.618 INFO kablam! warning: unused import: `AsyncRead`
Nov 01 03:40:52.618 INFO kablam!   --> src/main.rs:10:16
Nov 01 03:40:52.618 INFO kablam!    |
Nov 01 03:40:52.618 INFO kablam! 10 | use tokio_io::{AsyncRead};
Nov 01 03:40:52.618 INFO kablam!    |                ^^^^^^^^^
Nov 01 03:40:52.618 INFO kablam! 
Nov 01 03:40:52.618 INFO kablam! warning: unused imports: `Either`, `self`
Nov 01 03:40:52.618 INFO kablam!   --> src/main.rs:13:23
Nov 01 03:40:52.618 INFO kablam!    |
Nov 01 03:40:52.618 INFO kablam! 13 | use futures::future::{self, Either};
Nov 01 03:40:52.618 INFO kablam!    |                       ^^^^  ^^^^^^
Nov 01 03:40:52.618 INFO kablam! 
Nov 01 03:40:52.618 INFO kablam! warning: unused imports: `BufMut`, `BytesMut`
Nov 01 03:40:52.621 INFO kablam!   --> src/main.rs:14:13
Nov 01 03:40:52.621 INFO kablam!    |
Nov 01 03:40:52.621 INFO kablam! 14 | use bytes::{BytesMut, Bytes, BufMut};
Nov 01 03:40:52.621 INFO kablam!    |             ^^^^^^^^         ^^^^^^
Nov 01 03:40:52.621 INFO kablam! 
Nov 01 03:40:52.621 INFO kablam! warning: unused imports: `Write`, `self`
Nov 01 03:40:52.621 INFO kablam!   --> src/main.rs:16:15
Nov 01 03:40:52.621 INFO kablam!    |
Nov 01 03:40:52.621 INFO kablam! 16 | use std::io::{self, Write};
Nov 01 03:40:52.621 INFO kablam!    |               ^^^^  ^^^^^
Nov 01 03:40:52.621 INFO kablam! 
Nov 01 03:40:52.621 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 01 03:40:52.621 INFO kablam!   --> src/main.rs:17:5
Nov 01 03:40:52.621 INFO kablam!    |
Nov 01 03:40:52.621 INFO kablam! 17 | use std::cell::RefCell;
Nov 01 03:40:52.621 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.621 INFO kablam! 
Nov 01 03:40:52.621 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 03:40:52.621 INFO kablam!   --> src/main.rs:18:5
Nov 01 03:40:52.621 INFO kablam!    |
Nov 01 03:40:52.621 INFO kablam! 18 | use std::collections::HashMap;
Nov 01 03:40:52.621 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.621 INFO kablam! 
Nov 01 03:40:52.621 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 03:40:52.621 INFO kablam!   --> src/main.rs:20:5
Nov 01 03:40:52.621 INFO kablam!    |
Nov 01 03:40:52.621 INFO kablam! 20 | use std::rc::Rc;
Nov 01 03:40:52.621 INFO kablam!    |     ^^^^^^^^^^^
Nov 01 03:40:52.621 INFO kablam! 
Nov 01 03:40:52.676 INFO kablam! warning: unused variable: `socket`
Nov 01 03:40:52.676 INFO kablam!   --> src/main.rs:33:53
Nov 01 03:40:52.676 INFO kablam!    |
Nov 01 03:40:52.676 INFO kablam! 33 |     let server = listener.incoming().for_each(move |socket| {
Nov 01 03:40:52.676 INFO kablam!    |                                                     ^^^^^^ help: consider using `_socket` instead
Nov 01 03:40:52.676 INFO kablam!    |
Nov 01 03:40:52.676 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:40:52.676 INFO kablam! 
Nov 01 03:40:52.683 INFO kablam! warning: type alias is never used: `Tx`
Nov 01 03:40:52.683 INFO kablam!   --> src/main.rs:23:1
Nov 01 03:40:52.683 INFO kablam!    |
Nov 01 03:40:52.683 INFO kablam! 23 | type Tx = mpsc::UnboundedSender<Bytes>;
Nov 01 03:40:52.683 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.683 INFO kablam!    |
Nov 01 03:40:52.683 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 03:40:52.683 INFO kablam! 
Nov 01 03:40:52.683 INFO kablam! warning: type alias is never used: `Rx`
Nov 01 03:40:52.683 INFO kablam!   --> src/main.rs:26:1
Nov 01 03:40:52.683 INFO kablam!    |
Nov 01 03:40:52.683 INFO kablam! 26 | type Rx = mpsc::UnboundedReceiver<Bytes>;
Nov 01 03:40:52.683 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:40:52.683 INFO kablam! 
Nov 01 03:40:52.736 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Nov 01 03:40:52.736 INFO kablam! su: No module specific data is present
Nov 01 03:40:54.132 INFO running `"docker" "rm" "-f" "d62779c80c5d16a5c53d4445270690326adb0864b3860a18c50f2c5e89842b6f"`
Nov 01 03:40:54.480 INFO blam! d62779c80c5d16a5c53d4445270690326adb0864b3860a18c50f2c5e89842b6f