Dec 02 11:19:26.800 INFO testing way-cooler-ipc-0.0.0 against 1.30.1 for beta-1.31-5
Dec 02 11:19:26.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 11:19:26.999 INFO [stdout] cae0274332b2a5790095ac22c13278522230a29427051e9dec7f290d4a87d8cf
Dec 02 11:19:27.001 INFO running `"docker" "start" "-a" "cae0274332b2a5790095ac22c13278522230a29427051e9dec7f290d4a87d8cf"`
Dec 02 11:19:27.373 INFO [stderr] usermod: no changes
Dec 02 11:19:27.402 INFO [stderr]    Compiling unix_socket v0.5.0
Dec 02 11:19:28.286 INFO [stderr]    Compiling way-cooler-ipc v0.0.0 (/source)
Dec 02 11:19:28.959 INFO [stderr] warning: unused import: `ToJson`
Dec 02 11:19:28.959 INFO [stderr]  --> src/message.rs:5:35
Dec 02 11:19:28.959 INFO [stderr]   |
Dec 02 11:19:28.959 INFO [stderr] 5 | use rustc_serialize::json::{Json, ToJson};
Dec 02 11:19:28.959 INFO [stderr]   |                                   ^^^^^^
Dec 02 11:19:28.959 INFO [stderr]   |
Dec 02 11:19:28.959 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 11:19:28.959 INFO [stderr] 
Dec 02 11:19:28.959 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 02 11:19:28.959 INFO [stderr]  --> src/command.rs:5:15
Dec 02 11:19:28.959 INFO [stderr]   |
Dec 02 11:19:28.959 INFO [stderr] 5 | use std::io::{Read, Write};
Dec 02 11:19:28.959 INFO [stderr]   |               ^^^^  ^^^^^
Dec 02 11:19:28.959 INFO [stderr] 
Dec 02 11:19:28.959 INFO [stderr] warning: unused import: `std::io::Error as IOError`
Dec 02 11:19:28.959 INFO [stderr]  --> src/command.rs:7:5
Dec 02 11:19:28.959 INFO [stderr]   |
Dec 02 11:19:28.959 INFO [stderr] 7 | use std::io::Error as IOError;
Dec 02 11:19:28.959 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:28.959 INFO [stderr] 
Dec 02 11:19:29.032 INFO [stderr] warning: unused variable: `command`
Dec 02 11:19:29.032 INFO [stderr]   --> src/command.rs:22:17
Dec 02 11:19:29.032 INFO [stderr]    |
Dec 02 11:19:29.032 INFO [stderr] 22 |     pub fn send(command: Command) -> CommandResult {
Dec 02 11:19:29.032 INFO [stderr]    |                 ^^^^^^^ help: consider using `_command` instead
Dec 02 11:19:29.032 INFO [stderr]    |
Dec 02 11:19:29.032 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 11:19:29.033 INFO [stderr] 
Dec 02 11:19:29.044 INFO [stderr] warning: enum is never used: `SendError`
Dec 02 11:19:29.044 INFO [stderr]   --> src/client.rs:14:1
Dec 02 11:19:29.044 INFO [stderr]    |
Dec 02 11:19:29.044 INFO [stderr] 14 | pub enum SendError {
Dec 02 11:19:29.044 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.044 INFO [stderr]    |
Dec 02 11:19:29.044 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 11:19:29.044 INFO [stderr] 
Dec 02 11:19:29.044 INFO [stderr] warning: enum is never used: `ReceiveError`
Dec 02 11:19:29.044 INFO [stderr]   --> src/client.rs:22:1
Dec 02 11:19:29.044 INFO [stderr]    |
Dec 02 11:19:29.044 INFO [stderr] 22 | pub enum ReceiveError {
Dec 02 11:19:29.044 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.044 INFO [stderr] 
Dec 02 11:19:29.044 INFO [stderr] warning: field is never used: `stream`
Dec 02 11:19:29.044 INFO [stderr]   --> src/client.rs:32:5
Dec 02 11:19:29.044 INFO [stderr]    |
Dec 02 11:19:29.044 INFO [stderr] 32 |     stream: UnixStream,
Dec 02 11:19:29.044 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.044 INFO [stderr] 
Dec 02 11:19:29.044 INFO [stderr] warning: function is never used: `u32_to_bytes`
Dec 02 11:19:29.044 INFO [stderr]   --> src/client.rs:37:1
Dec 02 11:19:29.044 INFO [stderr]    |
Dec 02 11:19:29.044 INFO [stderr] 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Dec 02 11:19:29.044 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.044 INFO [stderr] 
Dec 02 11:19:29.044 INFO [stderr] warning: function is never used: `u32_from_bytes`
Dec 02 11:19:29.044 INFO [stderr]   --> src/client.rs:43:1
Dec 02 11:19:29.044 INFO [stderr]    |
Dec 02 11:19:29.044 INFO [stderr] 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Dec 02 11:19:29.045 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.045 INFO [stderr] 
Dec 02 11:19:29.045 INFO [stderr] warning: method is never used: `stream`
Dec 02 11:19:29.045 INFO [stderr]   --> src/client.rs:54:5
Dec 02 11:19:29.045 INFO [stderr]    |
Dec 02 11:19:29.045 INFO [stderr] 54 |     pub fn stream(&self) -> &UnixStream {
Dec 02 11:19:29.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.045 INFO [stderr] 
Dec 02 11:19:29.045 INFO [stderr] warning: method is never used: `stream_mut`
Dec 02 11:19:29.045 INFO [stderr]   --> src/client.rs:59:5
Dec 02 11:19:29.045 INFO [stderr]    |
Dec 02 11:19:29.045 INFO [stderr] 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Dec 02 11:19:29.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.045 INFO [stderr] 
Dec 02 11:19:29.045 INFO [stderr] warning: method is never used: `into_stream`
Dec 02 11:19:29.045 INFO [stderr]   --> src/client.rs:64:5
Dec 02 11:19:29.045 INFO [stderr]    |
Dec 02 11:19:29.045 INFO [stderr] 64 |     pub fn into_stream(self) -> UnixStream {
Dec 02 11:19:29.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.045 INFO [stderr] 
Dec 02 11:19:29.045 INFO [stderr] warning: method is never used: `read_message`
Dec 02 11:19:29.045 INFO [stderr]   --> src/client.rs:69:5
Dec 02 11:19:29.045 INFO [stderr]    |
Dec 02 11:19:29.045 INFO [stderr] 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Dec 02 11:19:29.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.045 INFO [stderr] 
Dec 02 11:19:29.045 INFO [stderr] warning: method is never used: `send_message`
Dec 02 11:19:29.045 INFO [stderr]   --> src/client.rs:78:5
Dec 02 11:19:29.045 INFO [stderr]    |
Dec 02 11:19:29.045 INFO [stderr] 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Dec 02 11:19:29.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:29.045 INFO [stderr] 
Dec 02 11:19:29.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 02 11:19:29.115 INFO [stderr] su: No module specific data is present
Dec 02 11:19:29.459 INFO running `"docker" "inspect" "cae0274332b2a5790095ac22c13278522230a29427051e9dec7f290d4a87d8cf"`
Dec 02 11:19:29.600 INFO running `"docker" "rm" "-f" "cae0274332b2a5790095ac22c13278522230a29427051e9dec7f290d4a87d8cf"`
Dec 02 11:19:29.742 INFO [stdout] cae0274332b2a5790095ac22c13278522230a29427051e9dec7f290d4a87d8cf
Dec 02 11:19:29.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 11:19:29.948 INFO [stdout] bfd1861a742564660b1f36602314d12fc1544cd956b3486f30054d22256b6e0f
Dec 02 11:19:29.950 INFO running `"docker" "start" "-a" "bfd1861a742564660b1f36602314d12fc1544cd956b3486f30054d22256b6e0f"`
Dec 02 11:19:30.353 INFO [stderr] usermod: no changes
Dec 02 11:19:30.409 INFO [stderr]    Compiling way-cooler-ipc v0.0.0 (/source)
Dec 02 11:19:31.174 INFO [stderr] warning: unused import: `ToJson`
Dec 02 11:19:31.174 INFO [stderr]  --> src/message.rs:5:35
Dec 02 11:19:31.174 INFO [stderr]   |
Dec 02 11:19:31.174 INFO [stderr] 5 | use rustc_serialize::json::{Json, ToJson};
Dec 02 11:19:31.174 INFO [stderr]   |                                   ^^^^^^
Dec 02 11:19:31.174 INFO [stderr]   |
Dec 02 11:19:31.175 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 11:19:31.175 INFO [stderr] 
Dec 02 11:19:31.175 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 02 11:19:31.175 INFO [stderr]  --> src/command.rs:5:15
Dec 02 11:19:31.175 INFO [stderr]   |
Dec 02 11:19:31.175 INFO [stderr] 5 | use std::io::{Read, Write};
Dec 02 11:19:31.175 INFO [stderr]   |               ^^^^  ^^^^^
Dec 02 11:19:31.175 INFO [stderr] 
Dec 02 11:19:31.175 INFO [stderr] warning: unused import: `std::io::Error as IOError`
Dec 02 11:19:31.175 INFO [stderr]  --> src/command.rs:7:5
Dec 02 11:19:31.175 INFO [stderr]   |
Dec 02 11:19:31.175 INFO [stderr] 7 | use std::io::Error as IOError;
Dec 02 11:19:31.175 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.175 INFO [stderr] 
Dec 02 11:19:31.262 INFO [stderr] warning: unused variable: `command`
Dec 02 11:19:31.262 INFO [stderr]   --> src/command.rs:22:17
Dec 02 11:19:31.262 INFO [stderr]    |
Dec 02 11:19:31.262 INFO [stderr] 22 |     pub fn send(command: Command) -> CommandResult {
Dec 02 11:19:31.262 INFO [stderr]    |                 ^^^^^^^ help: consider using `_command` instead
Dec 02 11:19:31.262 INFO [stderr]    |
Dec 02 11:19:31.262 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 11:19:31.262 INFO [stderr] 
Dec 02 11:19:31.276 INFO [stderr] warning: enum is never used: `SendError`
Dec 02 11:19:31.276 INFO [stderr]   --> src/client.rs:14:1
Dec 02 11:19:31.276 INFO [stderr]    |
Dec 02 11:19:31.276 INFO [stderr] 14 | pub enum SendError {
Dec 02 11:19:31.276 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.282 INFO [stderr]    |
Dec 02 11:19:31.283 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 11:19:31.283 INFO [stderr] 
Dec 02 11:19:31.283 INFO [stderr] warning: enum is never used: `ReceiveError`
Dec 02 11:19:31.283 INFO [stderr]   --> src/client.rs:22:1
Dec 02 11:19:31.283 INFO [stderr]    |
Dec 02 11:19:31.283 INFO [stderr] 22 | pub enum ReceiveError {
Dec 02 11:19:31.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.283 INFO [stderr] 
Dec 02 11:19:31.283 INFO [stderr] warning: field is never used: `stream`
Dec 02 11:19:31.283 INFO [stderr]   --> src/client.rs:32:5
Dec 02 11:19:31.283 INFO [stderr]    |
Dec 02 11:19:31.283 INFO [stderr] 32 |     stream: UnixStream,
Dec 02 11:19:31.283 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.283 INFO [stderr] 
Dec 02 11:19:31.283 INFO [stderr] warning: function is never used: `u32_to_bytes`
Dec 02 11:19:31.283 INFO [stderr]   --> src/client.rs:37:1
Dec 02 11:19:31.283 INFO [stderr]    |
Dec 02 11:19:31.283 INFO [stderr] 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Dec 02 11:19:31.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.283 INFO [stderr] 
Dec 02 11:19:31.283 INFO [stderr] warning: function is never used: `u32_from_bytes`
Dec 02 11:19:31.283 INFO [stderr]   --> src/client.rs:43:1
Dec 02 11:19:31.283 INFO [stderr]    |
Dec 02 11:19:31.283 INFO [stderr] 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Dec 02 11:19:31.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.283 INFO [stderr] 
Dec 02 11:19:31.283 INFO [stderr] warning: method is never used: `stream`
Dec 02 11:19:31.283 INFO [stderr]   --> src/client.rs:54:5
Dec 02 11:19:31.283 INFO [stderr]    |
Dec 02 11:19:31.283 INFO [stderr] 54 |     pub fn stream(&self) -> &UnixStream {
Dec 02 11:19:31.283 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.283 INFO [stderr] 
Dec 02 11:19:31.290 INFO [stderr] warning: method is never used: `stream_mut`
Dec 02 11:19:31.291 INFO [stderr]   --> src/client.rs:59:5
Dec 02 11:19:31.291 INFO [stderr]    |
Dec 02 11:19:31.291 INFO [stderr] 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Dec 02 11:19:31.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.291 INFO [stderr] 
Dec 02 11:19:31.291 INFO [stderr] warning: method is never used: `into_stream`
Dec 02 11:19:31.291 INFO [stderr]   --> src/client.rs:64:5
Dec 02 11:19:31.291 INFO [stderr]    |
Dec 02 11:19:31.291 INFO [stderr] 64 |     pub fn into_stream(self) -> UnixStream {
Dec 02 11:19:31.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.291 INFO [stderr] 
Dec 02 11:19:31.291 INFO [stderr] warning: method is never used: `read_message`
Dec 02 11:19:31.291 INFO [stderr]   --> src/client.rs:69:5
Dec 02 11:19:31.291 INFO [stderr]    |
Dec 02 11:19:31.291 INFO [stderr] 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Dec 02 11:19:31.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.291 INFO [stderr] 
Dec 02 11:19:31.291 INFO [stderr] warning: method is never used: `send_message`
Dec 02 11:19:31.291 INFO [stderr]   --> src/client.rs:78:5
Dec 02 11:19:31.291 INFO [stderr]    |
Dec 02 11:19:31.291 INFO [stderr] 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Dec 02 11:19:31.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:19:31.291 INFO [stderr] 
Dec 02 11:19:31.704 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 02 11:19:31.706 INFO [stderr] su: No module specific data is present
Dec 02 11:19:32.076 INFO running `"docker" "inspect" "bfd1861a742564660b1f36602314d12fc1544cd956b3486f30054d22256b6e0f"`
Dec 02 11:19:32.256 INFO running `"docker" "rm" "-f" "bfd1861a742564660b1f36602314d12fc1544cd956b3486f30054d22256b6e0f"`
Dec 02 11:19:32.519 INFO [stdout] bfd1861a742564660b1f36602314d12fc1544cd956b3486f30054d22256b6e0f
Dec 02 11:19:32.524 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 11:19:32.791 INFO [stdout] c2caeb9cf83a3113f6e6afe3c775aab1f20bbaae5b66ea2175e91549798d6cd8
Dec 02 11:19:32.796 INFO running `"docker" "start" "-a" "c2caeb9cf83a3113f6e6afe3c775aab1f20bbaae5b66ea2175e91549798d6cd8"`
Dec 02 11:19:33.457 INFO [stderr] usermod: no changes
Dec 02 11:19:33.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 02 11:19:33.527 INFO [stderr]      Running /target/debug/deps/way_cooler_ipc-fefc755c9e61b3cd
Dec 02 11:19:33.530 INFO [stderr]    Doc-tests way-cooler-ipc
Dec 02 11:19:33.531 INFO [stdout] 
Dec 02 11:19:33.531 INFO [stdout] running 0 tests
Dec 02 11:19:33.531 INFO [stdout] 
Dec 02 11:19:33.531 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 11:19:33.531 INFO [stdout] 
Dec 02 11:19:34.705 INFO [stdout] 
Dec 02 11:19:34.705 INFO [stdout] running 0 tests
Dec 02 11:19:34.705 INFO [stdout] 
Dec 02 11:19:34.705 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 11:19:34.705 INFO [stdout] 
Dec 02 11:19:34.711 INFO [stderr] su: No module specific data is present
Dec 02 11:19:35.025 INFO running `"docker" "inspect" "c2caeb9cf83a3113f6e6afe3c775aab1f20bbaae5b66ea2175e91549798d6cd8"`
Dec 02 11:19:35.180 INFO running `"docker" "rm" "-f" "c2caeb9cf83a3113f6e6afe3c775aab1f20bbaae5b66ea2175e91549798d6cd8"`
Dec 02 11:19:35.263 INFO [stdout] c2caeb9cf83a3113f6e6afe3c775aab1f20bbaae5b66ea2175e91549798d6cd8
