Oct 13 06:24:50.345 INFO checking way-cooler-ipc-0.0.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 06:24:50.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 06:24:50.739 INFO blam! 3dbb050878a47ddcebc233c87689f4a5eb5167bc87ab60bdd153643aff4e29a9
Oct 13 06:24:50.745 INFO running `"docker" "start" "-a" "3dbb050878a47ddcebc233c87689f4a5eb5167bc87ab60bdd153643aff4e29a9"`
Oct 13 06:24:51.909 INFO kablam! usermod: no changes
Oct 13 06:24:52.008 INFO kablam!     Checking way-cooler-ipc v0.0.0 (/source)
Oct 13 06:24:53.076 INFO kablam! warning: unused import: `ToJson`
Oct 13 06:24:53.076 INFO kablam!  --> src/message.rs:5:35
Oct 13 06:24:53.076 INFO kablam!   |
Oct 13 06:24:53.076 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Oct 13 06:24:53.076 INFO kablam!   |                                   ^^^^^^
Oct 13 06:24:53.076 INFO kablam!   |
Oct 13 06:24:53.076 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 06:24:53.076 INFO kablam! 
Oct 13 06:24:53.076 INFO kablam! warning: unused imports: `Read`, `Write`
Oct 13 06:24:53.076 INFO kablam!  --> src/command.rs:5:15
Oct 13 06:24:53.077 INFO kablam!   |
Oct 13 06:24:53.077 INFO kablam! 5 | use std::io::{Read, Write};
Oct 13 06:24:53.077 INFO kablam!   |               ^^^^  ^^^^^
Oct 13 06:24:53.077 INFO kablam! 
Oct 13 06:24:53.077 INFO kablam! warning: unused import: `std::io::Error as IOError`
Oct 13 06:24:53.077 INFO kablam!  --> src/command.rs:7:5
Oct 13 06:24:53.077 INFO kablam!   |
Oct 13 06:24:53.077 INFO kablam! 7 | use std::io::Error as IOError;
Oct 13 06:24:53.077 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.077 INFO kablam! 
Oct 13 06:24:53.077 INFO kablam! warning: unused import: `ToJson`
Oct 13 06:24:53.077 INFO kablam!  --> src/message.rs:5:35
Oct 13 06:24:53.077 INFO kablam!   |
Oct 13 06:24:53.077 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Oct 13 06:24:53.077 INFO kablam!   |                                   ^^^^^^
Oct 13 06:24:53.077 INFO kablam!   |
Oct 13 06:24:53.077 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 06:24:53.077 INFO kablam! 
Oct 13 06:24:53.077 INFO kablam! warning: unused imports: `Read`, `Write`
Oct 13 06:24:53.077 INFO kablam!  --> src/command.rs:5:15
Oct 13 06:24:53.077 INFO kablam!   |
Oct 13 06:24:53.077 INFO kablam! 5 | use std::io::{Read, Write};
Oct 13 06:24:53.077 INFO kablam!   |               ^^^^  ^^^^^
Oct 13 06:24:53.077 INFO kablam! 
Oct 13 06:24:53.077 INFO kablam! warning: unused import: `std::io::Error as IOError`
Oct 13 06:24:53.077 INFO kablam!  --> src/command.rs:7:5
Oct 13 06:24:53.077 INFO kablam!   |
Oct 13 06:24:53.077 INFO kablam! 7 | use std::io::Error as IOError;
Oct 13 06:24:53.077 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.077 INFO kablam! 
Oct 13 06:24:53.161 INFO kablam! warning: unused variable: `command`
Oct 13 06:24:53.162 INFO kablam!   --> src/command.rs:22:17
Oct 13 06:24:53.162 INFO kablam!    |
Oct 13 06:24:53.163 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Oct 13 06:24:53.163 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Oct 13 06:24:53.163 INFO kablam!    |
Oct 13 06:24:53.164 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 06:24:53.164 INFO kablam! 
Oct 13 06:24:53.179 INFO kablam! warning: enum is never used: `SendError`
Oct 13 06:24:53.180 INFO kablam!   --> src/client.rs:14:1
Oct 13 06:24:53.181 INFO kablam!    |
Oct 13 06:24:53.181 INFO kablam! 14 | pub enum SendError {
Oct 13 06:24:53.182 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.182 INFO kablam!    |
Oct 13 06:24:53.183 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 06:24:53.183 INFO kablam! 
Oct 13 06:24:53.184 INFO kablam! warning: enum is never used: `ReceiveError`
Oct 13 06:24:53.185 INFO kablam!   --> src/client.rs:22:1
Oct 13 06:24:53.185 INFO kablam!    |
Oct 13 06:24:53.186 INFO kablam! 22 | pub enum ReceiveError {
Oct 13 06:24:53.186 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.187 INFO kablam! 
Oct 13 06:24:53.187 INFO kablam! warning: field is never used: `stream`
Oct 13 06:24:53.188 INFO kablam!   --> src/client.rs:32:5
Oct 13 06:24:53.188 INFO kablam!    |
Oct 13 06:24:53.189 INFO kablam! 32 |     stream: UnixStream,
Oct 13 06:24:53.189 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.190 INFO kablam! 
Oct 13 06:24:53.191 INFO kablam! warning: function is never used: `u32_to_bytes`
Oct 13 06:24:53.191 INFO kablam!   --> src/client.rs:37:1
Oct 13 06:24:53.192 INFO kablam!    |
Oct 13 06:24:53.192 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Oct 13 06:24:53.193 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.193 INFO kablam! 
Oct 13 06:24:53.194 INFO kablam! warning: function is never used: `u32_from_bytes`
Oct 13 06:24:53.194 INFO kablam!   --> src/client.rs:43:1
Oct 13 06:24:53.195 INFO kablam!    |
Oct 13 06:24:53.195 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Oct 13 06:24:53.196 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.196 INFO kablam! 
Oct 13 06:24:53.197 INFO kablam! warning: method is never used: `stream`
Oct 13 06:24:53.197 INFO kablam!   --> src/client.rs:54:5
Oct 13 06:24:53.198 INFO kablam!    |
Oct 13 06:24:53.198 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Oct 13 06:24:53.199 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.199 INFO kablam! 
Oct 13 06:24:53.200 INFO kablam! warning: method is never used: `stream_mut`
Oct 13 06:24:53.200 INFO kablam!   --> src/client.rs:59:5
Oct 13 06:24:53.201 INFO kablam!    |
Oct 13 06:24:53.202 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Oct 13 06:24:53.202 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.203 INFO kablam! 
Oct 13 06:24:53.203 INFO kablam! warning: method is never used: `into_stream`
Oct 13 06:24:53.204 INFO kablam!   --> src/client.rs:64:5
Oct 13 06:24:53.204 INFO kablam!    |
Oct 13 06:24:53.205 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Oct 13 06:24:53.205 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.206 INFO kablam! 
Oct 13 06:24:53.206 INFO kablam! warning: method is never used: `read_message`
Oct 13 06:24:53.207 INFO kablam!   --> src/client.rs:69:5
Oct 13 06:24:53.207 INFO kablam!    |
Oct 13 06:24:53.208 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Oct 13 06:24:53.209 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.209 INFO kablam! 
Oct 13 06:24:53.210 INFO kablam! warning: method is never used: `send_message`
Oct 13 06:24:53.210 INFO kablam!   --> src/client.rs:78:5
Oct 13 06:24:53.211 INFO kablam!    |
Oct 13 06:24:53.211 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Oct 13 06:24:53.212 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.212 INFO kablam! 
Oct 13 06:24:53.271 INFO kablam! warning: unused variable: `command`
Oct 13 06:24:53.272 INFO kablam!   --> src/command.rs:22:17
Oct 13 06:24:53.273 INFO kablam!    |
Oct 13 06:24:53.273 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Oct 13 06:24:53.274 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Oct 13 06:24:53.275 INFO kablam!    |
Oct 13 06:24:53.275 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 06:24:53.276 INFO kablam! 
Oct 13 06:24:53.291 INFO kablam! warning: enum is never used: `SendError`
Oct 13 06:24:53.292 INFO kablam!   --> src/client.rs:14:1
Oct 13 06:24:53.292 INFO kablam!    |
Oct 13 06:24:53.293 INFO kablam! 14 | pub enum SendError {
Oct 13 06:24:53.294 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.294 INFO kablam!    |
Oct 13 06:24:53.295 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 06:24:53.295 INFO kablam! 
Oct 13 06:24:53.296 INFO kablam! warning: enum is never used: `ReceiveError`
Oct 13 06:24:53.297 INFO kablam!   --> src/client.rs:22:1
Oct 13 06:24:53.297 INFO kablam!    |
Oct 13 06:24:53.298 INFO kablam! 22 | pub enum ReceiveError {
Oct 13 06:24:53.299 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.299 INFO kablam! 
Oct 13 06:24:53.300 INFO kablam! warning: field is never used: `stream`
Oct 13 06:24:53.300 INFO kablam!   --> src/client.rs:32:5
Oct 13 06:24:53.301 INFO kablam!    |
Oct 13 06:24:53.302 INFO kablam! 32 |     stream: UnixStream,
Oct 13 06:24:53.302 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.303 INFO kablam! 
Oct 13 06:24:53.303 INFO kablam! warning: function is never used: `u32_to_bytes`
Oct 13 06:24:53.304 INFO kablam!   --> src/client.rs:37:1
Oct 13 06:24:53.305 INFO kablam!    |
Oct 13 06:24:53.305 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Oct 13 06:24:53.306 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.306 INFO kablam! 
Oct 13 06:24:53.307 INFO kablam! warning: function is never used: `u32_from_bytes`
Oct 13 06:24:53.308 INFO kablam!   --> src/client.rs:43:1
Oct 13 06:24:53.308 INFO kablam!    |
Oct 13 06:24:53.309 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Oct 13 06:24:53.309 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.310 INFO kablam! 
Oct 13 06:24:53.311 INFO kablam! warning: method is never used: `stream`
Oct 13 06:24:53.311 INFO kablam!   --> src/client.rs:54:5
Oct 13 06:24:53.312 INFO kablam!    |
Oct 13 06:24:53.312 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Oct 13 06:24:53.313 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.313 INFO kablam! 
Oct 13 06:24:53.314 INFO kablam! warning: method is never used: `stream_mut`
Oct 13 06:24:53.315 INFO kablam!   --> src/client.rs:59:5
Oct 13 06:24:53.315 INFO kablam!    |
Oct 13 06:24:53.316 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Oct 13 06:24:53.317 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.317 INFO kablam! 
Oct 13 06:24:53.318 INFO kablam! warning: method is never used: `into_stream`
Oct 13 06:24:53.318 INFO kablam!   --> src/client.rs:64:5
Oct 13 06:24:53.319 INFO kablam!    |
Oct 13 06:24:53.320 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Oct 13 06:24:53.320 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.321 INFO kablam! 
Oct 13 06:24:53.321 INFO kablam! warning: method is never used: `read_message`
Oct 13 06:24:53.322 INFO kablam!   --> src/client.rs:69:5
Oct 13 06:24:53.323 INFO kablam!    |
Oct 13 06:24:53.323 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Oct 13 06:24:53.324 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.324 INFO kablam! 
Oct 13 06:24:53.325 INFO kablam! warning: method is never used: `send_message`
Oct 13 06:24:53.326 INFO kablam!   --> src/client.rs:78:5
Oct 13 06:24:53.326 INFO kablam!    |
Oct 13 06:24:53.326 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Oct 13 06:24:53.326 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:24:53.332 INFO kablam! 
Oct 13 06:24:53.358 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Oct 13 06:24:53.361 INFO kablam! su: No module specific data is present
Oct 13 06:24:54.337 INFO running `"docker" "rm" "-f" "3dbb050878a47ddcebc233c87689f4a5eb5167bc87ab60bdd153643aff4e29a9"`
Oct 13 06:24:54.520 INFO blam! 3dbb050878a47ddcebc233c87689f4a5eb5167bc87ab60bdd153643aff4e29a9