Sep 21 00:47:24.122 INFO checking way-cooler-ipc-0.0.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 00:47:24.122 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 00:47:24.122 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 00:47:24.327 INFO blam! f0b6f106ca732bb9fc78fd0e8878af4562980c299192f8694d0a7ac74993dc16
Sep 21 00:47:24.329 INFO running `"docker" "start" "-a" "f0b6f106ca732bb9fc78fd0e8878af4562980c299192f8694d0a7ac74993dc16"`
Sep 21 00:47:25.507 INFO kablam! usermod: no changes
Sep 21 00:47:25.582 INFO kablam!     Checking unix_socket v0.5.0
Sep 21 00:47:26.010 INFO kablam!     Checking way-cooler-ipc v0.0.0 (/source)
Sep 21 00:47:26.209 INFO kablam! warning: unused import: `ToJson`
Sep 21 00:47:26.209 INFO kablam!  --> src/message.rs:5:35
Sep 21 00:47:26.209 INFO kablam!   |
Sep 21 00:47:26.209 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 21 00:47:26.209 INFO kablam!   |                                   ^^^^^^
Sep 21 00:47:26.209 INFO kablam!   |
Sep 21 00:47:26.209 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 00:47:26.209 INFO kablam! 
Sep 21 00:47:26.209 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 21 00:47:26.209 INFO kablam!  --> src/command.rs:5:15
Sep 21 00:47:26.209 INFO kablam!   |
Sep 21 00:47:26.209 INFO kablam! 5 | use std::io::{Read, Write};
Sep 21 00:47:26.209 INFO kablam!   |               ^^^^  ^^^^^
Sep 21 00:47:26.209 INFO kablam! 
Sep 21 00:47:26.209 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 21 00:47:26.209 INFO kablam!  --> src/command.rs:7:5
Sep 21 00:47:26.209 INFO kablam!   |
Sep 21 00:47:26.209 INFO kablam! 7 | use std::io::Error as IOError;
Sep 21 00:47:26.209 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.209 INFO kablam! 
Sep 21 00:47:26.212 INFO kablam! warning: unused import: `ToJson`
Sep 21 00:47:26.212 INFO kablam!  --> src/message.rs:5:35
Sep 21 00:47:26.212 INFO kablam!   |
Sep 21 00:47:26.212 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 21 00:47:26.212 INFO kablam!   |                                   ^^^^^^
Sep 21 00:47:26.212 INFO kablam!   |
Sep 21 00:47:26.212 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 00:47:26.212 INFO kablam! 
Sep 21 00:47:26.213 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 21 00:47:26.213 INFO kablam!  --> src/command.rs:5:15
Sep 21 00:47:26.213 INFO kablam!   |
Sep 21 00:47:26.213 INFO kablam! 5 | use std::io::{Read, Write};
Sep 21 00:47:26.213 INFO kablam!   |               ^^^^  ^^^^^
Sep 21 00:47:26.213 INFO kablam! 
Sep 21 00:47:26.213 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 21 00:47:26.213 INFO kablam!  --> src/command.rs:7:5
Sep 21 00:47:26.213 INFO kablam!   |
Sep 21 00:47:26.213 INFO kablam! 7 | use std::io::Error as IOError;
Sep 21 00:47:26.213 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.213 INFO kablam! 
Sep 21 00:47:26.298 INFO kablam! warning: unused variable: `command`
Sep 21 00:47:26.298 INFO kablam!   --> src/command.rs:22:17
Sep 21 00:47:26.298 INFO kablam!    |
Sep 21 00:47:26.298 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 21 00:47:26.298 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 21 00:47:26.298 INFO kablam!    |
Sep 21 00:47:26.298 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 00:47:26.298 INFO kablam! 
Sep 21 00:47:26.298 INFO kablam! warning: unused variable: `command`
Sep 21 00:47:26.298 INFO kablam!   --> src/command.rs:22:17
Sep 21 00:47:26.298 INFO kablam!    |
Sep 21 00:47:26.298 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 21 00:47:26.298 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 21 00:47:26.298 INFO kablam!    |
Sep 21 00:47:26.298 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 00:47:26.298 INFO kablam! 
Sep 21 00:47:26.306 INFO kablam! warning: enum is never used: `SendError`
Sep 21 00:47:26.306 INFO kablam!   --> src/client.rs:14:1
Sep 21 00:47:26.306 INFO kablam!    |
Sep 21 00:47:26.306 INFO kablam! 14 | pub enum SendError {
Sep 21 00:47:26.306 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.306 INFO kablam!    |
Sep 21 00:47:26.306 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 00:47:26.306 INFO kablam! 
Sep 21 00:47:26.306 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 21 00:47:26.306 INFO kablam!   --> src/client.rs:22:1
Sep 21 00:47:26.306 INFO kablam!    |
Sep 21 00:47:26.306 INFO kablam! 22 | pub enum ReceiveError {
Sep 21 00:47:26.306 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.306 INFO kablam! 
Sep 21 00:47:26.306 INFO kablam! warning: field is never used: `stream`
Sep 21 00:47:26.306 INFO kablam!   --> src/client.rs:32:5
Sep 21 00:47:26.306 INFO kablam!    |
Sep 21 00:47:26.306 INFO kablam! 32 |     stream: UnixStream,
Sep 21 00:47:26.306 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.306 INFO kablam! 
Sep 21 00:47:26.306 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 21 00:47:26.306 INFO kablam!   --> src/client.rs:37:1
Sep 21 00:47:26.306 INFO kablam!    |
Sep 21 00:47:26.306 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 21 00:47:26.306 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.306 INFO kablam! 
Sep 21 00:47:26.306 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 21 00:47:26.306 INFO kablam!   --> src/client.rs:43:1
Sep 21 00:47:26.306 INFO kablam!    |
Sep 21 00:47:26.306 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 21 00:47:26.306 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.306 INFO kablam! 
Sep 21 00:47:26.314 INFO kablam! warning: method is never used: `stream`
Sep 21 00:47:26.314 INFO kablam!   --> src/client.rs:54:5
Sep 21 00:47:26.314 INFO kablam!    |
Sep 21 00:47:26.314 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 21 00:47:26.314 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.314 INFO kablam! 
Sep 21 00:47:26.314 INFO kablam! warning: method is never used: `stream_mut`
Sep 21 00:47:26.314 INFO kablam!   --> src/client.rs:59:5
Sep 21 00:47:26.314 INFO kablam!    |
Sep 21 00:47:26.314 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 21 00:47:26.314 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.314 INFO kablam! 
Sep 21 00:47:26.314 INFO kablam! warning: enum is never used: `SendError`
Sep 21 00:47:26.314 INFO kablam!   --> src/client.rs:14:1
Sep 21 00:47:26.314 INFO kablam!    |
Sep 21 00:47:26.314 INFO kablam! 14 | pub enum SendError {
Sep 21 00:47:26.314 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.314 INFO kablam! warning: method is never used: `into_stream`
Sep 21 00:47:26.314 INFO kablam!   --> src/client.rs:64:5
Sep 21 00:47:26.314 INFO kablam!    |
Sep 21 00:47:26.314 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 21 00:47:26.314 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.314 INFO kablam! 
Sep 21 00:47:26.314 INFO kablam! warning: method is never used: `read_message`
Sep 21 00:47:26.314 INFO kablam!    |
Sep 21 00:47:26.314 INFO kablam!   --> src/client.rs:69:5
Sep 21 00:47:26.314 INFO kablam!    |
Sep 21 00:47:26.314 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 21 00:47:26.314 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.314 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: method is never used: `send_message`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:78:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:22:1
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 22 | pub enum ReceiveError {
Sep 21 00:47:26.315 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: field is never used: `stream`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:32:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 32 |     stream: UnixStream,
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:37:1
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 21 00:47:26.315 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:43:1
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 21 00:47:26.315 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: method is never used: `stream`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:54:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: method is never used: `stream_mut`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:59:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: method is never used: `into_stream`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:64:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: method is never used: `read_message`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:69:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.315 INFO kablam! warning: method is never used: `send_message`
Sep 21 00:47:26.315 INFO kablam!   --> src/client.rs:78:5
Sep 21 00:47:26.315 INFO kablam!    |
Sep 21 00:47:26.315 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 21 00:47:26.315 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:47:26.315 INFO kablam! 
Sep 21 00:47:26.338 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Sep 21 00:47:26.342 INFO kablam! su: No module specific data is present
Sep 21 00:47:27.083 INFO running `"docker" "rm" "-f" "f0b6f106ca732bb9fc78fd0e8878af4562980c299192f8694d0a7ac74993dc16"`
Sep 21 00:47:27.216 INFO blam! f0b6f106ca732bb9fc78fd0e8878af4562980c299192f8694d0a7ac74993dc16