Nov 02 23:39:21.498 INFO checking way-cooler-ipc-0.0.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 23:39:21.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 23:39:21.914 INFO blam! a3c794f662b3c281c36d254a07e2cc18c8ed2281acfea13b937bfbd95284f20f
Nov 02 23:39:21.922 INFO running `"docker" "start" "-a" "a3c794f662b3c281c36d254a07e2cc18c8ed2281acfea13b937bfbd95284f20f"`
Nov 02 23:39:22.700 INFO kablam! usermod: no changes
Nov 02 23:39:22.736 INFO kablam!     Checking unix_socket v0.5.0
Nov 02 23:39:23.376 INFO kablam!     Checking way-cooler-ipc v0.0.0 (/source)
Nov 02 23:39:24.058 INFO kablam! warning: unused import: `ToJson`
Nov 02 23:39:24.058 INFO kablam!  --> src/message.rs:5:35
Nov 02 23:39:24.059 INFO kablam!   |
Nov 02 23:39:24.059 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Nov 02 23:39:24.059 INFO kablam!   |                                   ^^^^^^
Nov 02 23:39:24.059 INFO kablam!   |
Nov 02 23:39:24.059 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 23:39:24.059 INFO kablam! 
Nov 02 23:39:24.059 INFO kablam! warning: unused imports: `Read`, `Write`
Nov 02 23:39:24.059 INFO kablam!  --> src/command.rs:5:15
Nov 02 23:39:24.059 INFO kablam!   |
Nov 02 23:39:24.059 INFO kablam! 5 | use std::io::{Read, Write};
Nov 02 23:39:24.059 INFO kablam!   |               ^^^^  ^^^^^
Nov 02 23:39:24.059 INFO kablam! 
Nov 02 23:39:24.059 INFO kablam! warning: unused import: `std::io::Error as IOError`
Nov 02 23:39:24.059 INFO kablam!  --> src/command.rs:7:5
Nov 02 23:39:24.059 INFO kablam!   |
Nov 02 23:39:24.059 INFO kablam! 7 | use std::io::Error as IOError;
Nov 02 23:39:24.059 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.059 INFO kablam! 
Nov 02 23:39:24.320 INFO kablam! warning: unused variable: `command`
Nov 02 23:39:24.320 INFO kablam!   --> src/command.rs:22:17
Nov 02 23:39:24.320 INFO kablam!    |
Nov 02 23:39:24.320 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Nov 02 23:39:24.320 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Nov 02 23:39:24.320 INFO kablam!    |
Nov 02 23:39:24.320 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 23:39:24.320 INFO kablam! 
Nov 02 23:39:24.356 INFO kablam! warning: enum is never used: `SendError`
Nov 02 23:39:24.356 INFO kablam!   --> src/client.rs:14:1
Nov 02 23:39:24.356 INFO kablam!    |
Nov 02 23:39:24.356 INFO kablam! 14 | pub enum SendError {
Nov 02 23:39:24.356 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.356 INFO kablam!    |
Nov 02 23:39:24.356 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 23:39:24.356 INFO kablam! 
Nov 02 23:39:24.356 INFO kablam! warning: enum is never used: `ReceiveError`
Nov 02 23:39:24.356 INFO kablam!   --> src/client.rs:22:1
Nov 02 23:39:24.356 INFO kablam!    |
Nov 02 23:39:24.356 INFO kablam! 22 | pub enum ReceiveError {
Nov 02 23:39:24.356 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.356 INFO kablam! 
Nov 02 23:39:24.356 INFO kablam! warning: field is never used: `stream`
Nov 02 23:39:24.356 INFO kablam!   --> src/client.rs:32:5
Nov 02 23:39:24.356 INFO kablam!    |
Nov 02 23:39:24.356 INFO kablam! 32 |     stream: UnixStream,
Nov 02 23:39:24.356 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.356 INFO kablam! 
Nov 02 23:39:24.356 INFO kablam! warning: function is never used: `u32_to_bytes`
Nov 02 23:39:24.356 INFO kablam!   --> src/client.rs:37:1
Nov 02 23:39:24.356 INFO kablam!    |
Nov 02 23:39:24.356 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Nov 02 23:39:24.356 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.357 INFO kablam! 
Nov 02 23:39:24.357 INFO kablam! warning: function is never used: `u32_from_bytes`
Nov 02 23:39:24.357 INFO kablam!   --> src/client.rs:43:1
Nov 02 23:39:24.357 INFO kablam!    |
Nov 02 23:39:24.357 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Nov 02 23:39:24.357 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.357 INFO kablam! 
Nov 02 23:39:24.357 INFO kablam! warning: method is never used: `stream`
Nov 02 23:39:24.357 INFO kablam!   --> src/client.rs:54:5
Nov 02 23:39:24.357 INFO kablam!    |
Nov 02 23:39:24.357 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Nov 02 23:39:24.357 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.357 INFO kablam! 
Nov 02 23:39:24.357 INFO kablam! warning: method is never used: `stream_mut`
Nov 02 23:39:24.357 INFO kablam!   --> src/client.rs:59:5
Nov 02 23:39:24.357 INFO kablam!    |
Nov 02 23:39:24.357 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Nov 02 23:39:24.357 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.357 INFO kablam! 
Nov 02 23:39:24.357 INFO kablam! warning: method is never used: `into_stream`
Nov 02 23:39:24.357 INFO kablam!   --> src/client.rs:64:5
Nov 02 23:39:24.357 INFO kablam!    |
Nov 02 23:39:24.357 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Nov 02 23:39:24.357 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.357 INFO kablam! 
Nov 02 23:39:24.378 INFO kablam! warning: method is never used: `read_message`
Nov 02 23:39:24.378 INFO kablam!   --> src/client.rs:69:5
Nov 02 23:39:24.378 INFO kablam!    |
Nov 02 23:39:24.378 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Nov 02 23:39:24.378 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.378 INFO kablam! 
Nov 02 23:39:24.378 INFO kablam! warning: method is never used: `send_message`
Nov 02 23:39:24.378 INFO kablam!   --> src/client.rs:78:5
Nov 02 23:39:24.378 INFO kablam!    |
Nov 02 23:39:24.378 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Nov 02 23:39:24.378 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.378 INFO kablam! 
Nov 02 23:39:24.389 INFO kablam! warning: unused import: `ToJson`
Nov 02 23:39:24.389 INFO kablam!  --> src/message.rs:5:35
Nov 02 23:39:24.389 INFO kablam!   |
Nov 02 23:39:24.389 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Nov 02 23:39:24.389 INFO kablam!   |                                   ^^^^^^
Nov 02 23:39:24.389 INFO kablam!   |
Nov 02 23:39:24.389 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 23:39:24.389 INFO kablam! 
Nov 02 23:39:24.390 INFO kablam! warning: unused imports: `Read`, `Write`
Nov 02 23:39:24.390 INFO kablam!  --> src/command.rs:5:15
Nov 02 23:39:24.390 INFO kablam!   |
Nov 02 23:39:24.390 INFO kablam! 5 | use std::io::{Read, Write};
Nov 02 23:39:24.390 INFO kablam!   |               ^^^^  ^^^^^
Nov 02 23:39:24.390 INFO kablam! 
Nov 02 23:39:24.390 INFO kablam! warning: unused import: `std::io::Error as IOError`
Nov 02 23:39:24.390 INFO kablam!  --> src/command.rs:7:5
Nov 02 23:39:24.390 INFO kablam!   |
Nov 02 23:39:24.390 INFO kablam! 7 | use std::io::Error as IOError;
Nov 02 23:39:24.390 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.390 INFO kablam! 
Nov 02 23:39:24.484 INFO kablam! warning: unused variable: `command`
Nov 02 23:39:24.484 INFO kablam!   --> src/command.rs:22:17
Nov 02 23:39:24.484 INFO kablam!    |
Nov 02 23:39:24.484 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Nov 02 23:39:24.484 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Nov 02 23:39:24.484 INFO kablam!    |
Nov 02 23:39:24.484 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 23:39:24.484 INFO kablam! 
Nov 02 23:39:24.501 INFO kablam! warning: enum is never used: `SendError`
Nov 02 23:39:24.501 INFO kablam!   --> src/client.rs:14:1
Nov 02 23:39:24.501 INFO kablam!    |
Nov 02 23:39:24.501 INFO kablam! 14 | pub enum SendError {
Nov 02 23:39:24.501 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.501 INFO kablam!    |
Nov 02 23:39:24.501 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 23:39:24.501 INFO kablam! 
Nov 02 23:39:24.501 INFO kablam! warning: enum is never used: `ReceiveError`
Nov 02 23:39:24.501 INFO kablam!   --> src/client.rs:22:1
Nov 02 23:39:24.501 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 22 | pub enum ReceiveError {
Nov 02 23:39:24.502 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: field is never used: `stream`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:32:5
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 32 |     stream: UnixStream,
Nov 02 23:39:24.502 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: function is never used: `u32_to_bytes`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:37:1
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Nov 02 23:39:24.502 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: function is never used: `u32_from_bytes`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:43:1
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Nov 02 23:39:24.502 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: method is never used: `stream`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:54:5
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Nov 02 23:39:24.502 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: method is never used: `stream_mut`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:59:5
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Nov 02 23:39:24.502 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: method is never used: `into_stream`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:64:5
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Nov 02 23:39:24.502 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: method is never used: `read_message`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:69:5
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Nov 02 23:39:24.502 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.502 INFO kablam! warning: method is never used: `send_message`
Nov 02 23:39:24.502 INFO kablam!   --> src/client.rs:78:5
Nov 02 23:39:24.502 INFO kablam!    |
Nov 02 23:39:24.502 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Nov 02 23:39:24.502 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:39:24.502 INFO kablam! 
Nov 02 23:39:24.543 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
Nov 02 23:39:24.543 INFO kablam! su: No module specific data is present
Nov 02 23:39:24.814 INFO running `"docker" "rm" "-f" "a3c794f662b3c281c36d254a07e2cc18c8ed2281acfea13b937bfbd95284f20f"`
Nov 02 23:39:24.906 INFO blam! a3c794f662b3c281c36d254a07e2cc18c8ed2281acfea13b937bfbd95284f20f