Sep 19 17:56:37.088 INFO checking way-cooler-ipc-0.0.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 17:56:37.088 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 17:56:37.088 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:56:37.245 INFO blam! 20b13dbae559a5d854a150b8971af7c59a19a53c228f5ea8a70a9383596fa4f5
Sep 19 17:56:37.247 INFO running `"docker" "start" "-a" "20b13dbae559a5d854a150b8971af7c59a19a53c228f5ea8a70a9383596fa4f5"`
Sep 19 17:56:38.046 INFO kablam! usermod: no changes
Sep 19 17:56:38.123 INFO kablam!     Checking unix_socket v0.5.0
Sep 19 17:56:38.753 INFO kablam!     Checking way-cooler-ipc v0.0.0 (/source)
Sep 19 17:56:39.088 INFO kablam! warning: unused import: `ToJson`
Sep 19 17:56:39.088 INFO kablam!  --> src/message.rs:5:35
Sep 19 17:56:39.088 INFO kablam!   |
Sep 19 17:56:39.088 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 19 17:56:39.088 INFO kablam!   |                                   ^^^^^^
Sep 19 17:56:39.088 INFO kablam!   |
Sep 19 17:56:39.088 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 17:56:39.088 INFO kablam! 
Sep 19 17:56:39.089 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 19 17:56:39.089 INFO kablam!  --> src/command.rs:5:15
Sep 19 17:56:39.089 INFO kablam!   |
Sep 19 17:56:39.089 INFO kablam! 5 | use std::io::{Read, Write};
Sep 19 17:56:39.089 INFO kablam!   |               ^^^^  ^^^^^
Sep 19 17:56:39.089 INFO kablam! 
Sep 19 17:56:39.089 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 19 17:56:39.089 INFO kablam!  --> src/command.rs:7:5
Sep 19 17:56:39.089 INFO kablam!   |
Sep 19 17:56:39.089 INFO kablam! 7 | use std::io::Error as IOError;
Sep 19 17:56:39.089 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.089 INFO kablam! 
Sep 19 17:56:39.114 INFO kablam! warning: unused import: `ToJson`
Sep 19 17:56:39.114 INFO kablam!  --> src/message.rs:5:35
Sep 19 17:56:39.114 INFO kablam!   |
Sep 19 17:56:39.114 INFO kablam! 5 | use rustc_serialize::json::{Json, ToJson};
Sep 19 17:56:39.114 INFO kablam!   |                                   ^^^^^^
Sep 19 17:56:39.114 INFO kablam!   |
Sep 19 17:56:39.114 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 17:56:39.114 INFO kablam! 
Sep 19 17:56:39.114 INFO kablam! warning: unused imports: `Read`, `Write`
Sep 19 17:56:39.114 INFO kablam!  --> src/command.rs:5:15
Sep 19 17:56:39.114 INFO kablam!   |
Sep 19 17:56:39.114 INFO kablam! 5 | use std::io::{Read, Write};
Sep 19 17:56:39.114 INFO kablam!   |               ^^^^  ^^^^^
Sep 19 17:56:39.114 INFO kablam! 
Sep 19 17:56:39.114 INFO kablam! warning: unused import: `std::io::Error as IOError`
Sep 19 17:56:39.114 INFO kablam!  --> src/command.rs:7:5
Sep 19 17:56:39.114 INFO kablam!   |
Sep 19 17:56:39.114 INFO kablam! 7 | use std::io::Error as IOError;
Sep 19 17:56:39.114 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.114 INFO kablam! 
Sep 19 17:56:39.214 INFO kablam! warning: unused variable: `command`
Sep 19 17:56:39.214 INFO kablam!   --> src/command.rs:22:17
Sep 19 17:56:39.214 INFO kablam!    |
Sep 19 17:56:39.214 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 19 17:56:39.214 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 19 17:56:39.214 INFO kablam!    |
Sep 19 17:56:39.214 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 17:56:39.215 INFO kablam! 
Sep 19 17:56:39.234 INFO kablam! warning: enum is never used: `SendError`
Sep 19 17:56:39.234 INFO kablam!   --> src/client.rs:14:1
Sep 19 17:56:39.234 INFO kablam!    |
Sep 19 17:56:39.234 INFO kablam! 14 | pub enum SendError {
Sep 19 17:56:39.234 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.234 INFO kablam!    |
Sep 19 17:56:39.235 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 17:56:39.235 INFO kablam! 
Sep 19 17:56:39.235 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 19 17:56:39.235 INFO kablam!   --> src/client.rs:22:1
Sep 19 17:56:39.235 INFO kablam!    |
Sep 19 17:56:39.235 INFO kablam! 22 | pub enum ReceiveError {
Sep 19 17:56:39.235 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.235 INFO kablam! 
Sep 19 17:56:39.235 INFO kablam! warning: field is never used: `stream`
Sep 19 17:56:39.236 INFO kablam!   --> src/client.rs:32:5
Sep 19 17:56:39.236 INFO kablam!    |
Sep 19 17:56:39.236 INFO kablam! 32 |     stream: UnixStream,
Sep 19 17:56:39.236 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.236 INFO kablam! 
Sep 19 17:56:39.236 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 19 17:56:39.237 INFO kablam!   --> src/client.rs:37:1
Sep 19 17:56:39.237 INFO kablam!    |
Sep 19 17:56:39.237 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 19 17:56:39.237 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.237 INFO kablam! 
Sep 19 17:56:39.238 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 19 17:56:39.238 INFO kablam!   --> src/client.rs:43:1
Sep 19 17:56:39.238 INFO kablam!    |
Sep 19 17:56:39.238 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 19 17:56:39.238 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.239 INFO kablam! 
Sep 19 17:56:39.239 INFO kablam! warning: method is never used: `stream`
Sep 19 17:56:39.239 INFO kablam!   --> src/client.rs:54:5
Sep 19 17:56:39.239 INFO kablam!    |
Sep 19 17:56:39.239 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 19 17:56:39.240 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.240 INFO kablam! 
Sep 19 17:56:39.240 INFO kablam! warning: method is never used: `stream_mut`
Sep 19 17:56:39.240 INFO kablam!   --> src/client.rs:59:5
Sep 19 17:56:39.240 INFO kablam!    |
Sep 19 17:56:39.240 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 19 17:56:39.241 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.241 INFO kablam! 
Sep 19 17:56:39.241 INFO kablam! warning: method is never used: `into_stream`
Sep 19 17:56:39.241 INFO kablam!   --> src/client.rs:64:5
Sep 19 17:56:39.241 INFO kablam!    |
Sep 19 17:56:39.242 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 19 17:56:39.242 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.242 INFO kablam! 
Sep 19 17:56:39.242 INFO kablam! warning: method is never used: `read_message`
Sep 19 17:56:39.242 INFO kablam!   --> src/client.rs:69:5
Sep 19 17:56:39.243 INFO kablam!    |
Sep 19 17:56:39.243 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 19 17:56:39.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.243 INFO kablam! 
Sep 19 17:56:39.243 INFO kablam! warning: method is never used: `send_message`
Sep 19 17:56:39.244 INFO kablam!   --> src/client.rs:78:5
Sep 19 17:56:39.244 INFO kablam!    |
Sep 19 17:56:39.244 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 19 17:56:39.244 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.244 INFO kablam! 
Sep 19 17:56:39.361 INFO kablam! warning: unused variable: `command`
Sep 19 17:56:39.361 INFO kablam!   --> src/command.rs:22:17
Sep 19 17:56:39.361 INFO kablam!    |
Sep 19 17:56:39.361 INFO kablam! 22 |     pub fn send(command: Command) -> CommandResult {
Sep 19 17:56:39.361 INFO kablam!    |                 ^^^^^^^ help: consider using `_command` instead
Sep 19 17:56:39.361 INFO kablam!    |
Sep 19 17:56:39.361 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 17:56:39.361 INFO kablam! 
Sep 19 17:56:39.374 INFO kablam! warning: enum is never used: `SendError`
Sep 19 17:56:39.374 INFO kablam!   --> src/client.rs:14:1
Sep 19 17:56:39.374 INFO kablam!    |
Sep 19 17:56:39.374 INFO kablam! 14 | pub enum SendError {
Sep 19 17:56:39.374 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.374 INFO kablam!    |
Sep 19 17:56:39.374 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 17:56:39.374 INFO kablam! 
Sep 19 17:56:39.374 INFO kablam! warning: enum is never used: `ReceiveError`
Sep 19 17:56:39.374 INFO kablam!   --> src/client.rs:22:1
Sep 19 17:56:39.374 INFO kablam!    |
Sep 19 17:56:39.374 INFO kablam! 22 | pub enum ReceiveError {
Sep 19 17:56:39.374 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.374 INFO kablam! 
Sep 19 17:56:39.374 INFO kablam! warning: field is never used: `stream`
Sep 19 17:56:39.374 INFO kablam!   --> src/client.rs:32:5
Sep 19 17:56:39.374 INFO kablam!    |
Sep 19 17:56:39.374 INFO kablam! 32 |     stream: UnixStream,
Sep 19 17:56:39.374 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.374 INFO kablam! 
Sep 19 17:56:39.374 INFO kablam! warning: function is never used: `u32_to_bytes`
Sep 19 17:56:39.374 INFO kablam!   --> src/client.rs:37:1
Sep 19 17:56:39.374 INFO kablam!    |
Sep 19 17:56:39.374 INFO kablam! 37 | fn u32_to_bytes(input: u32) -> [u8; 4] {
Sep 19 17:56:39.374 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.374 INFO kablam! 
Sep 19 17:56:39.375 INFO kablam! warning: function is never used: `u32_from_bytes`
Sep 19 17:56:39.375 INFO kablam!   --> src/client.rs:43:1
Sep 19 17:56:39.375 INFO kablam!    |
Sep 19 17:56:39.375 INFO kablam! 43 | fn u32_from_bytes(bytes: [u8; 4]) -> u32 {
Sep 19 17:56:39.375 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.375 INFO kablam! 
Sep 19 17:56:39.375 INFO kablam! warning: method is never used: `stream`
Sep 19 17:56:39.375 INFO kablam!   --> src/client.rs:54:5
Sep 19 17:56:39.375 INFO kablam!    |
Sep 19 17:56:39.375 INFO kablam! 54 |     pub fn stream(&self) -> &UnixStream {
Sep 19 17:56:39.375 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.375 INFO kablam! 
Sep 19 17:56:39.375 INFO kablam! warning: method is never used: `stream_mut`
Sep 19 17:56:39.375 INFO kablam!   --> src/client.rs:59:5
Sep 19 17:56:39.375 INFO kablam!    |
Sep 19 17:56:39.375 INFO kablam! 59 |     pub fn stream_mut(&mut self) -> &mut UnixStream {
Sep 19 17:56:39.375 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.375 INFO kablam! 
Sep 19 17:56:39.375 INFO kablam! warning: method is never used: `into_stream`
Sep 19 17:56:39.375 INFO kablam!   --> src/client.rs:64:5
Sep 19 17:56:39.375 INFO kablam!    |
Sep 19 17:56:39.375 INFO kablam! 64 |     pub fn into_stream(self) -> UnixStream {
Sep 19 17:56:39.375 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.375 INFO kablam! 
Sep 19 17:56:39.375 INFO kablam! warning: method is never used: `read_message`
Sep 19 17:56:39.375 INFO kablam!   --> src/client.rs:69:5
Sep 19 17:56:39.375 INFO kablam!    |
Sep 19 17:56:39.375 INFO kablam! 69 |     pub fn read_message(&mut self) -> Result<Json, ReceiveError> {
Sep 19 17:56:39.375 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.375 INFO kablam! 
Sep 19 17:56:39.375 INFO kablam! warning: method is never used: `send_message`
Sep 19 17:56:39.375 INFO kablam!   --> src/client.rs:78:5
Sep 19 17:56:39.375 INFO kablam!    |
Sep 19 17:56:39.375 INFO kablam! 78 |     pub fn send_message(&mut self, message: &Json) -> Result<(), SendError> {
Sep 19 17:56:39.375 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:56:39.375 INFO kablam! 
Sep 19 17:56:39.406 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Sep 19 17:56:39.414 INFO kablam! su: No module specific data is present
Sep 19 17:56:40.673 INFO running `"docker" "rm" "-f" "20b13dbae559a5d854a150b8971af7c59a19a53c228f5ea8a70a9383596fa4f5"`
Sep 19 17:56:40.794 INFO blam! 20b13dbae559a5d854a150b8971af7c59a19a53c228f5ea8a70a9383596fa4f5