Sep 04 02:02:54.777 INFO checking way-cooler-ipc-0.0.0 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 02:02:54.777 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 02:02:54.777 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 02:02:54.958 INFO blam! 481f3c73fb9832d00be3c4ec56b85d8a4102099f6d69c84ce82e44c204bd6e76
Sep 04 02:02:54.962 INFO running `"docker" "start" "-a" "481f3c73fb9832d00be3c4ec56b85d8a4102099f6d69c84ce82e44c204bd6e76"`
Sep 04 02:02:55.748 INFO kablam!     Checking way-cooler-ipc v0.0.0 (file:///source)
Sep 04 02:02:55.986 INFO kablam! warning: unused import: `ToJson`
Sep 04 02:02:55.986 INFO kablam!  --> src/message.rs:5:35
Sep 04 02:02:55.986 INFO kablam!   |
Sep 04 02:02:55.986 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 04 02:02:55.986 INFO kablam!   |                                   ^^^^^^
Sep 04 02:02:55.986 INFO kablam!   |
Sep 04 02:02:55.986 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 02:02:55.986 INFO kablam! 
Sep 04 02:02:55.987 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 04 02:02:55.987 INFO kablam!  --> src/command.rs:5:15
Sep 04 02:02:55.987 INFO kablam!   |
Sep 04 02:02:55.987 INFO kablam! 5 | use std::io::{Read, Write};
Sep 04 02:02:55.987 INFO kablam!   |               ^^^^  ^^^^^
Sep 04 02:02:55.987 INFO kablam! 
Sep 04 02:02:55.988 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 04 02:02:55.988 INFO kablam!  --> src/command.rs:7:5
Sep 04 02:02:55.988 INFO kablam!   |
Sep 04 02:02:55.989 INFO kablam! 7 | use std::io::Error as IOError;
Sep 04 02:02:55.989 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:55.989 INFO kablam! 
Sep 04 02:02:56.133 INFO kablam! warning: unused import: `ToJson`
Sep 04 02:02:56.133 INFO kablam!  --> src/message.rs:5:35
Sep 04 02:02:56.133 INFO kablam!   |
Sep 04 02:02:56.133 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 04 02:02:56.133 INFO kablam!   |                                   ^^^^^^
Sep 04 02:02:56.133 INFO kablam!   |
Sep 04 02:02:56.133 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 02:02:56.133 INFO kablam! 
Sep 04 02:02:56.134 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 04 02:02:56.134 INFO kablam!  --> src/command.rs:5:15
Sep 04 02:02:56.134 INFO kablam!   |
Sep 04 02:02:56.134 INFO kablam! 5 | use std::io::{Read, Write};
Sep 04 02:02:56.134 INFO kablam!   |               ^^^^  ^^^^^
Sep 04 02:02:56.134 INFO kablam! 
Sep 04 02:02:56.134 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 04 02:02:56.134 INFO kablam!  --> src/command.rs:7:5
Sep 04 02:02:56.134 INFO kablam!   |
Sep 04 02:02:56.134 INFO kablam! 7 | use std::io::Error as IOError;
Sep 04 02:02:56.134 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.134 INFO kablam! 
Sep 04 02:02:56.178 INFO kablam! warning: unused variable: `command`
Sep 04 02:02:56.178 INFO kablam!   --> src/command.rs:22:17
Sep 04 02:02:56.178 INFO kablam!    |
Sep 04 02:02:56.178 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 04 02:02:56.178 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 04 02:02:56.179 INFO kablam!    |
Sep 04 02:02:56.179 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 02:02:56.179 INFO kablam! 
Sep 04 02:02:56.207 INFO kablam! warning: enum is never used: `SendError`
Sep 04 02:02:56.207 INFO kablam!   --> src/client.rs:14:1
Sep 04 02:02:56.207 INFO kablam!    |
Sep 04 02:02:56.207 INFO kablam! 14 | pub enum SendError {
Sep 04 02:02:56.207 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.207 INFO kablam!    |
Sep 04 02:02:56.207 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 02:02:56.207 INFO kablam! 
Sep 04 02:02:56.207 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 04 02:02:56.207 INFO kablam!   --> src/client.rs:22:1
Sep 04 02:02:56.207 INFO kablam!    |
Sep 04 02:02:56.207 INFO kablam! 22 | pub enum ReceiveError {
Sep 04 02:02:56.207 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.207 INFO kablam! 
Sep 04 02:02:56.207 INFO kablam! warning: field is never used: `stream`
Sep 04 02:02:56.207 INFO kablam!   --> src/client.rs:32:5
Sep 04 02:02:56.207 INFO kablam!    |
Sep 04 02:02:56.207 INFO kablam! 32 |     stream: UnixStream,
Sep 04 02:02:56.207 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.207 INFO kablam! 
Sep 04 02:02:56.207 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 04 02:02:56.207 INFO kablam!   --> src/client.rs:37:1
Sep 04 02:02:56.207 INFO kablam!    |
Sep 04 02:02:56.207 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 04 02:02:56.207 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.208 INFO kablam! 
Sep 04 02:02:56.208 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 04 02:02:56.208 INFO kablam!   --> src/client.rs:43:1
Sep 04 02:02:56.208 INFO kablam!    |
Sep 04 02:02:56.208 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 04 02:02:56.208 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.208 INFO kablam! 
Sep 04 02:02:56.208 INFO kablam! warning: method is never used: `stream`
Sep 04 02:02:56.208 INFO kablam!   --> src/client.rs:54:5
Sep 04 02:02:56.208 INFO kablam!    |
Sep 04 02:02:56.208 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 04 02:02:56.208 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.208 INFO kablam! 
Sep 04 02:02:56.208 INFO kablam! warning: method is never used: `stream_mut`
Sep 04 02:02:56.208 INFO kablam!   --> src/client.rs:59:5
Sep 04 02:02:56.208 INFO kablam!    |
Sep 04 02:02:56.208 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 04 02:02:56.208 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.208 INFO kablam! 
Sep 04 02:02:56.208 INFO kablam! warning: method is never used: `into_stream`
Sep 04 02:02:56.208 INFO kablam!   --> src/client.rs:64:5
Sep 04 02:02:56.208 INFO kablam!    |
Sep 04 02:02:56.208 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 04 02:02:56.208 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.208 INFO kablam! 
Sep 04 02:02:56.208 INFO kablam! warning: method is never used: `read_message`
Sep 04 02:02:56.208 INFO kablam!   --> src/client.rs:69:5
Sep 04 02:02:56.209 INFO kablam!    |
Sep 04 02:02:56.209 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 04 02:02:56.209 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.209 INFO kablam! 
Sep 04 02:02:56.209 INFO kablam! warning: method is never used: `send_message`
Sep 04 02:02:56.209 INFO kablam!   --> src/client.rs:78:5
Sep 04 02:02:56.209 INFO kablam!    |
Sep 04 02:02:56.209 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 04 02:02:56.209 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.209 INFO kablam! 
Sep 04 02:02:56.308 INFO kablam! warning: unused variable: `command`
Sep 04 02:02:56.308 INFO kablam!   --> src/command.rs:22:17
Sep 04 02:02:56.308 INFO kablam!    |
Sep 04 02:02:56.308 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 04 02:02:56.308 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 04 02:02:56.308 INFO kablam!    |
Sep 04 02:02:56.308 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 02:02:56.308 INFO kablam! 
Sep 04 02:02:56.325 INFO kablam! warning: enum is never used: `SendError`
Sep 04 02:02:56.325 INFO kablam!   --> src/client.rs:14:1
Sep 04 02:02:56.325 INFO kablam!    |
Sep 04 02:02:56.325 INFO kablam! 14 | pub enum SendError {
Sep 04 02:02:56.325 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.325 INFO kablam!    |
Sep 04 02:02:56.325 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 02:02:56.325 INFO kablam! 
Sep 04 02:02:56.325 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 04 02:02:56.325 INFO kablam!   --> src/client.rs:22:1
Sep 04 02:02:56.325 INFO kablam!    |
Sep 04 02:02:56.325 INFO kablam! 22 | pub enum ReceiveError {
Sep 04 02:02:56.325 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.325 INFO kablam! 
Sep 04 02:02:56.325 INFO kablam! warning: field is never used: `stream`
Sep 04 02:02:56.325 INFO kablam!   --> src/client.rs:32:5
Sep 04 02:02:56.325 INFO kablam!    |
Sep 04 02:02:56.325 INFO kablam! 32 |     stream: UnixStream,
Sep 04 02:02:56.325 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.325 INFO kablam! 
Sep 04 02:02:56.325 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 04 02:02:56.325 INFO kablam!   --> src/client.rs:37:1
Sep 04 02:02:56.325 INFO kablam!    |
Sep 04 02:02:56.326 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 04 02:02:56.326 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.326 INFO kablam! 
Sep 04 02:02:56.326 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 04 02:02:56.326 INFO kablam!   --> src/client.rs:43:1
Sep 04 02:02:56.326 INFO kablam!    |
Sep 04 02:02:56.326 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 04 02:02:56.326 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.326 INFO kablam! 
Sep 04 02:02:56.326 INFO kablam! warning: method is never used: `stream`
Sep 04 02:02:56.326 INFO kablam!   --> src/client.rs:54:5
Sep 04 02:02:56.326 INFO kablam!    |
Sep 04 02:02:56.326 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 04 02:02:56.326 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.326 INFO kablam! 
Sep 04 02:02:56.326 INFO kablam! warning: method is never used: `stream_mut`
Sep 04 02:02:56.326 INFO kablam!   --> src/client.rs:59:5
Sep 04 02:02:56.326 INFO kablam!    |
Sep 04 02:02:56.326 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 04 02:02:56.326 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.326 INFO kablam! 
Sep 04 02:02:56.326 INFO kablam! warning: method is never used: `into_stream`
Sep 04 02:02:56.326 INFO kablam!   --> src/client.rs:64:5
Sep 04 02:02:56.326 INFO kablam!    |
Sep 04 02:02:56.326 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 04 02:02:56.326 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.326 INFO kablam! 
Sep 04 02:02:56.326 INFO kablam! warning: method is never used: `read_message`
Sep 04 02:02:56.327 INFO kablam!   --> src/client.rs:69:5
Sep 04 02:02:56.327 INFO kablam!    |
Sep 04 02:02:56.327 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 04 02:02:56.327 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.327 INFO kablam! 
Sep 04 02:02:56.327 INFO kablam! warning: method is never used: `send_message`
Sep 04 02:02:56.327 INFO kablam!   --> src/client.rs:78:5
Sep 04 02:02:56.327 INFO kablam!    |
Sep 04 02:02:56.327 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 04 02:02:56.327 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:02:56.327 INFO kablam! 
Sep 04 02:02:56.342 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Sep 04 02:02:56.345 INFO kablam! su: No module specific data is present
Sep 04 02:02:56.735 INFO running `"docker" "rm" "-f" "481f3c73fb9832d00be3c4ec56b85d8a4102099f6d69c84ce82e44c204bd6e76"`
Sep 04 02:02:56.834 INFO blam! 481f3c73fb9832d00be3c4ec56b85d8a4102099f6d69c84ce82e44c204bd6e76