Aug 31 09:03:28.041 INFO checking way-cooler-ipc-0.0.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 09:03:28.041 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 09:03:28.041 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 09:03:28.221 INFO blam! 7d6e6b0960a069044ba41cdb82d54cfe09f868fc58f6a866a4ece6b024217929
Aug 31 09:03:28.223 INFO running `"docker" "start" "-a" "7d6e6b0960a069044ba41cdb82d54cfe09f868fc58f6a866a4ece6b024217929"`
Aug 31 09:03:28.877 INFO kablam!     Checking way-cooler-ipc v0.0.0 (file:///source)
Aug 31 09:03:29.214 INFO kablam! warning: unused import: `ToJson`
Aug 31 09:03:29.214 INFO kablam!  --> src/message.rs:5:35
Aug 31 09:03:29.214 INFO kablam!   |
Aug 31 09:03:29.214 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Aug 31 09:03:29.214 INFO kablam!   |                                   ^^^^^^
Aug 31 09:03:29.214 INFO kablam!   |
Aug 31 09:03:29.214 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 09:03:29.214 INFO kablam! 
Aug 31 09:03:29.215 INFO kablam! warning: unused imports: `Read`, `Write`
Aug 31 09:03:29.215 INFO kablam!  --> src/command.rs:5:15
Aug 31 09:03:29.215 INFO kablam!   |
Aug 31 09:03:29.215 INFO kablam! 5 | use std::io::{Read, Write};
Aug 31 09:03:29.215 INFO kablam!   |               ^^^^  ^^^^^
Aug 31 09:03:29.215 INFO kablam! 
Aug 31 09:03:29.215 INFO kablam! warning: unused import: `std::io::Error as IOError`
Aug 31 09:03:29.215 INFO kablam!  --> src/command.rs:7:5
Aug 31 09:03:29.215 INFO kablam!   |
Aug 31 09:03:29.215 INFO kablam! 7 | use std::io::Error as IOError;
Aug 31 09:03:29.215 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.215 INFO kablam! 
Aug 31 09:03:29.242 INFO kablam! warning: unused import: `ToJson`
Aug 31 09:03:29.242 INFO kablam!  --> src/message.rs:5:35
Aug 31 09:03:29.242 INFO kablam!   |
Aug 31 09:03:29.242 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Aug 31 09:03:29.242 INFO kablam!   |                                   ^^^^^^
Aug 31 09:03:29.242 INFO kablam!   |
Aug 31 09:03:29.242 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 09:03:29.242 INFO kablam! 
Aug 31 09:03:29.242 INFO kablam! warning: unused imports: `Read`, `Write`
Aug 31 09:03:29.242 INFO kablam!  --> src/command.rs:5:15
Aug 31 09:03:29.243 INFO kablam!   |
Aug 31 09:03:29.243 INFO kablam! 5 | use std::io::{Read, Write};
Aug 31 09:03:29.243 INFO kablam!   |               ^^^^  ^^^^^
Aug 31 09:03:29.243 INFO kablam! 
Aug 31 09:03:29.243 INFO kablam! warning: unused import: `std::io::Error as IOError`
Aug 31 09:03:29.243 INFO kablam!  --> src/command.rs:7:5
Aug 31 09:03:29.243 INFO kablam!   |
Aug 31 09:03:29.243 INFO kablam! 7 | use std::io::Error as IOError;
Aug 31 09:03:29.243 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.243 INFO kablam! 
Aug 31 09:03:29.440 INFO kablam! warning: unused variable: `command`
Aug 31 09:03:29.440 INFO kablam!   --> src/command.rs:22:17
Aug 31 09:03:29.440 INFO kablam!    |
Aug 31 09:03:29.440 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Aug 31 09:03:29.440 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Aug 31 09:03:29.440 INFO kablam!    |
Aug 31 09:03:29.440 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 09:03:29.440 INFO kablam! 
Aug 31 09:03:29.469 INFO kablam! warning: enum is never used: `SendError`
Aug 31 09:03:29.469 INFO kablam!   --> src/client.rs:14:1
Aug 31 09:03:29.469 INFO kablam!    |
Aug 31 09:03:29.469 INFO kablam! 14 | pub enum SendError {
Aug 31 09:03:29.469 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.469 INFO kablam!    |
Aug 31 09:03:29.469 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 09:03:29.469 INFO kablam! 
Aug 31 09:03:29.469 INFO kablam! warning: enum is never used: `ReceiveError`
Aug 31 09:03:29.469 INFO kablam!   --> src/client.rs:22:1
Aug 31 09:03:29.469 INFO kablam!    |
Aug 31 09:03:29.469 INFO kablam! 22 | pub enum ReceiveError {
Aug 31 09:03:29.469 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.469 INFO kablam! 
Aug 31 09:03:29.470 INFO kablam! warning: field is never used: `stream`
Aug 31 09:03:29.470 INFO kablam!   --> src/client.rs:32:5
Aug 31 09:03:29.470 INFO kablam!    |
Aug 31 09:03:29.470 INFO kablam! 32 |     stream: UnixStream,
Aug 31 09:03:29.470 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.470 INFO kablam! 
Aug 31 09:03:29.470 INFO kablam! warning: function is never used: `u32_to_bytes`
Aug 31 09:03:29.470 INFO kablam!   --> src/client.rs:37:1
Aug 31 09:03:29.470 INFO kablam!    |
Aug 31 09:03:29.470 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Aug 31 09:03:29.470 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.470 INFO kablam! 
Aug 31 09:03:29.470 INFO kablam! warning: function is never used: `u32_from_bytes`
Aug 31 09:03:29.470 INFO kablam!   --> src/client.rs:43:1
Aug 31 09:03:29.470 INFO kablam!    |
Aug 31 09:03:29.470 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Aug 31 09:03:29.470 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.470 INFO kablam! 
Aug 31 09:03:29.470 INFO kablam! warning: method is never used: `stream`
Aug 31 09:03:29.470 INFO kablam!   --> src/client.rs:54:5
Aug 31 09:03:29.470 INFO kablam!    |
Aug 31 09:03:29.470 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Aug 31 09:03:29.470 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.471 INFO kablam! 
Aug 31 09:03:29.471 INFO kablam! warning: method is never used: `stream_mut`
Aug 31 09:03:29.471 INFO kablam!   --> src/client.rs:59:5
Aug 31 09:03:29.471 INFO kablam!    |
Aug 31 09:03:29.471 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Aug 31 09:03:29.471 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.471 INFO kablam! 
Aug 31 09:03:29.471 INFO kablam! warning: method is never used: `into_stream`
Aug 31 09:03:29.471 INFO kablam!   --> src/client.rs:64:5
Aug 31 09:03:29.471 INFO kablam!    |
Aug 31 09:03:29.471 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Aug 31 09:03:29.471 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.471 INFO kablam! 
Aug 31 09:03:29.471 INFO kablam! warning: method is never used: `read_message`
Aug 31 09:03:29.471 INFO kablam!   --> src/client.rs:69:5
Aug 31 09:03:29.471 INFO kablam!    |
Aug 31 09:03:29.471 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Aug 31 09:03:29.471 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.471 INFO kablam! 
Aug 31 09:03:29.471 INFO kablam! warning: method is never used: `send_message`
Aug 31 09:03:29.471 INFO kablam!   --> src/client.rs:78:5
Aug 31 09:03:29.471 INFO kablam!    |
Aug 31 09:03:29.472 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Aug 31 09:03:29.472 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.472 INFO kablam! 
Aug 31 09:03:29.472 INFO kablam! warning: unused variable: `command`
Aug 31 09:03:29.472 INFO kablam!   --> src/command.rs:22:17
Aug 31 09:03:29.472 INFO kablam!    |
Aug 31 09:03:29.472 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Aug 31 09:03:29.472 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Aug 31 09:03:29.472 INFO kablam!    |
Aug 31 09:03:29.472 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 09:03:29.472 INFO kablam! 
Aug 31 09:03:29.499 INFO kablam! warning: enum is never used: `SendError`
Aug 31 09:03:29.499 INFO kablam!   --> src/client.rs:14:1
Aug 31 09:03:29.499 INFO kablam!    |
Aug 31 09:03:29.499 INFO kablam! 14 | pub enum SendError {
Aug 31 09:03:29.499 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.499 INFO kablam!    |
Aug 31 09:03:29.499 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 09:03:29.499 INFO kablam! 
Aug 31 09:03:29.499 INFO kablam! warning: enum is never used: `ReceiveError`
Aug 31 09:03:29.499 INFO kablam!   --> src/client.rs:22:1
Aug 31 09:03:29.499 INFO kablam!    |
Aug 31 09:03:29.499 INFO kablam! 22 | pub enum ReceiveError {
Aug 31 09:03:29.499 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.499 INFO kablam! 
Aug 31 09:03:29.499 INFO kablam! warning: field is never used: `stream`
Aug 31 09:03:29.499 INFO kablam!   --> src/client.rs:32:5
Aug 31 09:03:29.499 INFO kablam!    |
Aug 31 09:03:29.499 INFO kablam! 32 |     stream: UnixStream,
Aug 31 09:03:29.499 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.499 INFO kablam! 
Aug 31 09:03:29.499 INFO kablam! warning: function is never used: `u32_to_bytes`
Aug 31 09:03:29.500 INFO kablam!   --> src/client.rs:37:1
Aug 31 09:03:29.500 INFO kablam!    |
Aug 31 09:03:29.500 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Aug 31 09:03:29.500 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.500 INFO kablam! 
Aug 31 09:03:29.500 INFO kablam! warning: function is never used: `u32_from_bytes`
Aug 31 09:03:29.500 INFO kablam!   --> src/client.rs:43:1
Aug 31 09:03:29.500 INFO kablam!    |
Aug 31 09:03:29.500 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Aug 31 09:03:29.500 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.500 INFO kablam! 
Aug 31 09:03:29.500 INFO kablam! warning: method is never used: `stream`
Aug 31 09:03:29.500 INFO kablam!   --> src/client.rs:54:5
Aug 31 09:03:29.500 INFO kablam!    |
Aug 31 09:03:29.500 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Aug 31 09:03:29.500 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.500 INFO kablam! 
Aug 31 09:03:29.500 INFO kablam! warning: method is never used: `stream_mut`
Aug 31 09:03:29.500 INFO kablam!   --> src/client.rs:59:5
Aug 31 09:03:29.500 INFO kablam!    |
Aug 31 09:03:29.500 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Aug 31 09:03:29.500 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.500 INFO kablam! 
Aug 31 09:03:29.501 INFO kablam! warning: method is never used: `into_stream`
Aug 31 09:03:29.501 INFO kablam!   --> src/client.rs:64:5
Aug 31 09:03:29.501 INFO kablam!    |
Aug 31 09:03:29.501 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Aug 31 09:03:29.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.501 INFO kablam! 
Aug 31 09:03:29.501 INFO kablam! warning: method is never used: `read_message`
Aug 31 09:03:29.501 INFO kablam!   --> src/client.rs:69:5
Aug 31 09:03:29.501 INFO kablam!    |
Aug 31 09:03:29.501 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Aug 31 09:03:29.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.501 INFO kablam! 
Aug 31 09:03:29.501 INFO kablam! warning: method is never used: `send_message`
Aug 31 09:03:29.501 INFO kablam!   --> src/client.rs:78:5
Aug 31 09:03:29.501 INFO kablam!    |
Aug 31 09:03:29.501 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Aug 31 09:03:29.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 09:03:29.501 INFO kablam! 
Aug 31 09:03:29.546 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Aug 31 09:03:29.553 INFO kablam! su: No module specific data is present
Aug 31 09:03:30.075 INFO running `"docker" "rm" "-f" "7d6e6b0960a069044ba41cdb82d54cfe09f868fc58f6a866a4ece6b024217929"`
Aug 31 09:03:30.219 INFO blam! 7d6e6b0960a069044ba41cdb82d54cfe09f868fc58f6a866a4ece6b024217929