Oct 27 13:36:38.843 INFO checking way-cooler-ipc-0.0.0 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 13:36:38.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 13:36:39.380 INFO blam! 51d1702dafd0a767642583fde057ab220c1ddcebb87fa57d24a58aaf2def894b
Oct 27 13:36:39.383 INFO running `"docker" "start" "-a" "51d1702dafd0a767642583fde057ab220c1ddcebb87fa57d24a58aaf2def894b"`
Oct 27 13:36:40.691 INFO kablam! usermod: no changes
Oct 27 13:36:40.759 INFO kablam!     Checking unix_socket v0.5.0
Oct 27 13:36:41.421 INFO kablam!     Checking way-cooler-ipc v0.0.0 (/source)
Oct 27 13:36:42.059 INFO kablam! warning: unused import: `ToJson`
Oct 27 13:36:42.059 INFO kablam!  --> src/message.rs:5:35
Oct 27 13:36:42.059 INFO kablam!   |
Oct 27 13:36:42.059 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Oct 27 13:36:42.059 INFO kablam!   |                                   ^^^^^^
Oct 27 13:36:42.059 INFO kablam!   |
Oct 27 13:36:42.059 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 13:36:42.059 INFO kablam! 
Oct 27 13:36:42.059 INFO kablam! warning: unused imports: `Read`, `Write`
Oct 27 13:36:42.059 INFO kablam!  --> src/command.rs:5:15
Oct 27 13:36:42.059 INFO kablam!   |
Oct 27 13:36:42.059 INFO kablam! 5 | use std::io::{Read, Write};
Oct 27 13:36:42.059 INFO kablam!   |               ^^^^  ^^^^^
Oct 27 13:36:42.059 INFO kablam! 
Oct 27 13:36:42.060 INFO kablam! warning: unused import: `std::io::Error as IOError`
Oct 27 13:36:42.060 INFO kablam!  --> src/command.rs:7:5
Oct 27 13:36:42.060 INFO kablam!   |
Oct 27 13:36:42.060 INFO kablam! 7 | use std::io::Error as IOError;
Oct 27 13:36:42.060 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.060 INFO kablam! 
Oct 27 13:36:42.111 INFO kablam! warning: unused import: `ToJson`
Oct 27 13:36:42.111 INFO kablam!  --> src/message.rs:5:35
Oct 27 13:36:42.111 INFO kablam!   |
Oct 27 13:36:42.111 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Oct 27 13:36:42.111 INFO kablam!   |                                   ^^^^^^
Oct 27 13:36:42.111 INFO kablam!   |
Oct 27 13:36:42.111 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 13:36:42.111 INFO kablam! 
Oct 27 13:36:42.111 INFO kablam! warning: unused imports: `Read`, `Write`
Oct 27 13:36:42.111 INFO kablam!  --> src/command.rs:5:15
Oct 27 13:36:42.111 INFO kablam!   |
Oct 27 13:36:42.111 INFO kablam! 5 | use std::io::{Read, Write};
Oct 27 13:36:42.111 INFO kablam!   |               ^^^^  ^^^^^
Oct 27 13:36:42.113 INFO kablam! 
Oct 27 13:36:42.113 INFO kablam! warning: unused import: `std::io::Error as IOError`
Oct 27 13:36:42.113 INFO kablam!  --> src/command.rs:7:5
Oct 27 13:36:42.113 INFO kablam!   |
Oct 27 13:36:42.113 INFO kablam! 7 | use std::io::Error as IOError;
Oct 27 13:36:42.113 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.113 INFO kablam! 
Oct 27 13:36:42.143 INFO kablam! warning: unused variable: `command`
Oct 27 13:36:42.143 INFO kablam!   --> src/command.rs:22:17
Oct 27 13:36:42.143 INFO kablam!    |
Oct 27 13:36:42.143 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Oct 27 13:36:42.143 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Oct 27 13:36:42.143 INFO kablam!    |
Oct 27 13:36:42.143 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 13:36:42.143 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: enum is never used: `SendError`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:14:1
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 14 | pub enum SendError {
Oct 27 13:36:42.155 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: enum is never used: `ReceiveError`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:22:1
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 22 | pub enum ReceiveError {
Oct 27 13:36:42.155 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: field is never used: `stream`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:32:5
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 32 |     stream: UnixStream,
Oct 27 13:36:42.155 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: function is never used: `u32_to_bytes`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:37:1
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Oct 27 13:36:42.155 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: function is never used: `u32_from_bytes`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:43:1
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Oct 27 13:36:42.155 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: method is never used: `stream`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:54:5
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Oct 27 13:36:42.155 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: method is never used: `stream_mut`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:59:5
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Oct 27 13:36:42.155 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: method is never used: `into_stream`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:64:5
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Oct 27 13:36:42.155 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: method is never used: `read_message`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:69:5
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Oct 27 13:36:42.155 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.155 INFO kablam! warning: method is never used: `send_message`
Oct 27 13:36:42.155 INFO kablam!   --> src/client.rs:78:5
Oct 27 13:36:42.155 INFO kablam!    |
Oct 27 13:36:42.155 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Oct 27 13:36:42.155 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.155 INFO kablam! 
Oct 27 13:36:42.211 INFO kablam! warning: unused variable: `command`
Oct 27 13:36:42.211 INFO kablam!   --> src/command.rs:22:17
Oct 27 13:36:42.211 INFO kablam!    |
Oct 27 13:36:42.211 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Oct 27 13:36:42.211 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Oct 27 13:36:42.211 INFO kablam!    |
Oct 27 13:36:42.211 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 13:36:42.211 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: enum is never used: `SendError`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:14:1
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 14 | pub enum SendError {
Oct 27 13:36:42.223 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: enum is never used: `ReceiveError`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:22:1
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 22 | pub enum ReceiveError {
Oct 27 13:36:42.223 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: field is never used: `stream`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:32:5
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 32 |     stream: UnixStream,
Oct 27 13:36:42.223 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: function is never used: `u32_to_bytes`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:37:1
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Oct 27 13:36:42.223 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: function is never used: `u32_from_bytes`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:43:1
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Oct 27 13:36:42.223 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: method is never used: `stream`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:54:5
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Oct 27 13:36:42.223 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: method is never used: `stream_mut`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:59:5
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Oct 27 13:36:42.223 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: method is never used: `into_stream`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:64:5
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Oct 27 13:36:42.223 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: method is never used: `read_message`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:69:5
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Oct 27 13:36:42.223 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.223 INFO kablam! warning: method is never used: `send_message`
Oct 27 13:36:42.223 INFO kablam!   --> src/client.rs:78:5
Oct 27 13:36:42.223 INFO kablam!    |
Oct 27 13:36:42.223 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Oct 27 13:36:42.223 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 13:36:42.223 INFO kablam! 
Oct 27 13:36:42.239 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Oct 27 13:36:42.243 INFO kablam! su: No module specific data is present
Oct 27 13:36:42.733 INFO running `"docker" "rm" "-f" "51d1702dafd0a767642583fde057ab220c1ddcebb87fa57d24a58aaf2def894b"`
Oct 27 13:36:42.966 INFO blam! 51d1702dafd0a767642583fde057ab220c1ddcebb87fa57d24a58aaf2def894b