Sep 19 15:52:39.978 INFO checking way-cooler-ipc-0.0.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 15:52:39.979 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 15:52:39.979 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 15:52:40.406 INFO blam! ccb76535484b238475b9f41009e45c4332842bc438634b2a89ac885ed1a970de
Sep 19 15:52:40.409 INFO running `"docker" "start" "-a" "ccb76535484b238475b9f41009e45c4332842bc438634b2a89ac885ed1a970de"`
Sep 19 15:52:42.139 INFO kablam! usermod: no changes
Sep 19 15:52:42.186 INFO kablam!     Checking unix_socket v0.5.0
Sep 19 15:52:42.637 INFO kablam!     Checking way-cooler-ipc v0.0.0 (/source)
Sep 19 15:52:42.855 INFO kablam! warning: unused import: `ToJson`
Sep 19 15:52:42.855 INFO kablam!  --> src/message.rs:5:35
Sep 19 15:52:42.855 INFO kablam!   |
Sep 19 15:52:42.855 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 19 15:52:42.855 INFO kablam!   |                                   ^^^^^^
Sep 19 15:52:42.855 INFO kablam!   |
Sep 19 15:52:42.855 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 15:52:42.855 INFO kablam! 
Sep 19 15:52:42.855 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 19 15:52:42.855 INFO kablam!  --> src/command.rs:5:15
Sep 19 15:52:42.855 INFO kablam!   |
Sep 19 15:52:42.855 INFO kablam! 5 | use std::io::{Read, Write};
Sep 19 15:52:42.855 INFO kablam!   |               ^^^^  ^^^^^
Sep 19 15:52:42.855 INFO kablam! 
Sep 19 15:52:42.855 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 19 15:52:42.855 INFO kablam!  --> src/command.rs:7:5
Sep 19 15:52:42.855 INFO kablam!   |
Sep 19 15:52:42.855 INFO kablam! 7 | use std::io::Error as IOError;
Sep 19 15:52:42.855 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.855 INFO kablam! 
Sep 19 15:52:42.875 INFO kablam! warning: unused import: `ToJson`
Sep 19 15:52:42.875 INFO kablam!  --> src/message.rs:5:35
Sep 19 15:52:42.875 INFO kablam!   |
Sep 19 15:52:42.875 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 19 15:52:42.875 INFO kablam!   |                                   ^^^^^^
Sep 19 15:52:42.875 INFO kablam!   |
Sep 19 15:52:42.875 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 15:52:42.875 INFO kablam! 
Sep 19 15:52:42.875 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 19 15:52:42.875 INFO kablam!  --> src/command.rs:5:15
Sep 19 15:52:42.875 INFO kablam!   |
Sep 19 15:52:42.875 INFO kablam! 5 | use std::io::{Read, Write};
Sep 19 15:52:42.875 INFO kablam!   |               ^^^^  ^^^^^
Sep 19 15:52:42.875 INFO kablam! 
Sep 19 15:52:42.875 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 19 15:52:42.875 INFO kablam!  --> src/command.rs:7:5
Sep 19 15:52:42.875 INFO kablam!   |
Sep 19 15:52:42.875 INFO kablam! 7 | use std::io::Error as IOError;
Sep 19 15:52:42.875 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.875 INFO kablam! 
Sep 19 15:52:42.947 INFO kablam! warning: unused variable: `command`
Sep 19 15:52:42.947 INFO kablam!   --> src/command.rs:22:17
Sep 19 15:52:42.947 INFO kablam!    |
Sep 19 15:52:42.947 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 19 15:52:42.947 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 19 15:52:42.947 INFO kablam!    |
Sep 19 15:52:42.947 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 15:52:42.947 INFO kablam! 
Sep 19 15:52:42.959 INFO kablam! warning: enum is never used: `SendError`
Sep 19 15:52:42.959 INFO kablam!   --> src/client.rs:14:1
Sep 19 15:52:42.959 INFO kablam!    |
Sep 19 15:52:42.959 INFO kablam! 14 | pub enum SendError {
Sep 19 15:52:42.960 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.960 INFO kablam!    |
Sep 19 15:52:42.960 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 15:52:42.960 INFO kablam! 
Sep 19 15:52:42.960 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 19 15:52:42.960 INFO kablam!   --> src/client.rs:22:1
Sep 19 15:52:42.961 INFO kablam!    |
Sep 19 15:52:42.961 INFO kablam! 22 | pub enum ReceiveError {
Sep 19 15:52:42.961 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.961 INFO kablam! 
Sep 19 15:52:42.961 INFO kablam! warning: field is never used: `stream`
Sep 19 15:52:42.962 INFO kablam!   --> src/client.rs:32:5
Sep 19 15:52:42.962 INFO kablam!    |
Sep 19 15:52:42.962 INFO kablam! 32 |     stream: UnixStream,
Sep 19 15:52:42.962 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.962 INFO kablam! 
Sep 19 15:52:42.962 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 19 15:52:42.963 INFO kablam!   --> src/client.rs:37:1
Sep 19 15:52:42.963 INFO kablam!    |
Sep 19 15:52:42.963 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 19 15:52:42.963 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.963 INFO kablam! 
Sep 19 15:52:42.963 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 19 15:52:42.964 INFO kablam!   --> src/client.rs:43:1
Sep 19 15:52:42.964 INFO kablam!    |
Sep 19 15:52:42.964 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 19 15:52:42.964 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.964 INFO kablam! 
Sep 19 15:52:42.964 INFO kablam! warning: method is never used: `stream`
Sep 19 15:52:42.965 INFO kablam!   --> src/client.rs:54:5
Sep 19 15:52:42.965 INFO kablam!    |
Sep 19 15:52:42.965 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 19 15:52:42.965 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.965 INFO kablam! 
Sep 19 15:52:42.965 INFO kablam! warning: method is never used: `stream_mut`
Sep 19 15:52:42.966 INFO kablam!   --> src/client.rs:59:5
Sep 19 15:52:42.966 INFO kablam!    |
Sep 19 15:52:42.966 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 19 15:52:42.966 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.966 INFO kablam! 
Sep 19 15:52:42.966 INFO kablam! warning: method is never used: `into_stream`
Sep 19 15:52:42.967 INFO kablam!   --> src/client.rs:64:5
Sep 19 15:52:42.967 INFO kablam!    |
Sep 19 15:52:42.967 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 19 15:52:42.967 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.967 INFO kablam! 
Sep 19 15:52:42.967 INFO kablam! warning: method is never used: `read_message`
Sep 19 15:52:42.967 INFO kablam!   --> src/client.rs:69:5
Sep 19 15:52:42.967 INFO kablam!    |
Sep 19 15:52:42.967 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 19 15:52:42.967 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.967 INFO kablam! 
Sep 19 15:52:42.967 INFO kablam! warning: method is never used: `send_message`
Sep 19 15:52:42.967 INFO kablam!   --> src/client.rs:78:5
Sep 19 15:52:42.967 INFO kablam!    |
Sep 19 15:52:42.967 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 19 15:52:42.967 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:42.967 INFO kablam! 
Sep 19 15:52:42.988 INFO kablam! warning: unused variable: `command`
Sep 19 15:52:42.989 INFO kablam!   --> src/command.rs:22:17
Sep 19 15:52:42.989 INFO kablam!    |
Sep 19 15:52:42.989 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 19 15:52:42.989 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 19 15:52:42.989 INFO kablam!    |
Sep 19 15:52:42.989 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 15:52:42.989 INFO kablam! 
Sep 19 15:52:43.002 INFO kablam! warning: enum is never used: `SendError`
Sep 19 15:52:43.003 INFO kablam!   --> src/client.rs:14:1
Sep 19 15:52:43.003 INFO kablam!    |
Sep 19 15:52:43.003 INFO kablam! 14 | pub enum SendError {
Sep 19 15:52:43.003 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.003 INFO kablam!    |
Sep 19 15:52:43.003 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 15:52:43.003 INFO kablam! 
Sep 19 15:52:43.004 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 19 15:52:43.004 INFO kablam!   --> src/client.rs:22:1
Sep 19 15:52:43.004 INFO kablam!    |
Sep 19 15:52:43.004 INFO kablam! 22 | pub enum ReceiveError {
Sep 19 15:52:43.004 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.004 INFO kablam! 
Sep 19 15:52:43.005 INFO kablam! warning: field is never used: `stream`
Sep 19 15:52:43.005 INFO kablam!   --> src/client.rs:32:5
Sep 19 15:52:43.005 INFO kablam!    |
Sep 19 15:52:43.005 INFO kablam! 32 |     stream: UnixStream,
Sep 19 15:52:43.005 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.005 INFO kablam! 
Sep 19 15:52:43.006 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 19 15:52:43.006 INFO kablam!   --> src/client.rs:37:1
Sep 19 15:52:43.006 INFO kablam!    |
Sep 19 15:52:43.006 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 19 15:52:43.006 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.006 INFO kablam! 
Sep 19 15:52:43.007 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 19 15:52:43.007 INFO kablam!   --> src/client.rs:43:1
Sep 19 15:52:43.007 INFO kablam!    |
Sep 19 15:52:43.007 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 19 15:52:43.007 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.007 INFO kablam! 
Sep 19 15:52:43.008 INFO kablam! warning: method is never used: `stream`
Sep 19 15:52:43.008 INFO kablam!   --> src/client.rs:54:5
Sep 19 15:52:43.008 INFO kablam!    |
Sep 19 15:52:43.008 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 19 15:52:43.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.008 INFO kablam! 
Sep 19 15:52:43.008 INFO kablam! warning: method is never used: `stream_mut`
Sep 19 15:52:43.009 INFO kablam!   --> src/client.rs:59:5
Sep 19 15:52:43.009 INFO kablam!    |
Sep 19 15:52:43.009 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 19 15:52:43.009 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.009 INFO kablam! 
Sep 19 15:52:43.010 INFO kablam! warning: method is never used: `into_stream`
Sep 19 15:52:43.010 INFO kablam!   --> src/client.rs:64:5
Sep 19 15:52:43.010 INFO kablam!    |
Sep 19 15:52:43.010 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 19 15:52:43.010 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.010 INFO kablam! 
Sep 19 15:52:43.011 INFO kablam! warning: method is never used: `read_message`
Sep 19 15:52:43.011 INFO kablam!   --> src/client.rs:69:5
Sep 19 15:52:43.011 INFO kablam!    |
Sep 19 15:52:43.011 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 19 15:52:43.011 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.011 INFO kablam! 
Sep 19 15:52:43.012 INFO kablam! warning: method is never used: `send_message`
Sep 19 15:52:43.012 INFO kablam!   --> src/client.rs:78:5
Sep 19 15:52:43.012 INFO kablam!    |
Sep 19 15:52:43.012 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 19 15:52:43.012 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 15:52:43.012 INFO kablam! 
Sep 19 15:52:43.055 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Sep 19 15:52:43.058 INFO kablam! su: No module specific data is present
Sep 19 15:52:43.844 INFO running `"docker" "rm" "-f" "ccb76535484b238475b9f41009e45c4332842bc438634b2a89ac885ed1a970de"`
Sep 19 15:52:43.966 INFO blam! ccb76535484b238475b9f41009e45c4332842bc438634b2a89ac885ed1a970de