Nov 01 20:04:23.596 INFO checking mai-0.1.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 20:04:23.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 20:04:23.875 INFO blam! b4e9112f2cb3eea960429fca0c7c3294708d462efd49e7ba209b71c28774148b
Nov 01 20:04:23.876 INFO running `"docker" "start" "-a" "b4e9112f2cb3eea960429fca0c7c3294708d462efd49e7ba209b71c28774148b"`
Nov 01 20:04:24.382 INFO kablam! usermod: no changes
Nov 01 20:04:24.424 INFO kablam!     Checking lifeguard v0.5.2
Nov 01 20:04:25.028 INFO kablam!     Checking mai v0.1.0 (/source)
Nov 01 20:04:27.248 INFO kablam! warning: unused import: `Evented`
Nov 01 20:04:27.248 INFO kablam!  --> src/protocol_engine.rs:1:11
Nov 01 20:04:27.248 INFO kablam!   |
Nov 01 20:04:27.248 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 01 20:04:27.248 INFO kablam!   |           ^^^^^^^
Nov 01 20:04:27.249 INFO kablam!   |
Nov 01 20:04:27.249 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 20:04:27.249 INFO kablam! 
Nov 01 20:04:27.249 INFO kablam! warning: unused import: `Recycleable`
Nov 01 20:04:27.249 INFO kablam!  --> src/protocol_engine.rs:5:23
Nov 01 20:04:27.249 INFO kablam!   |
Nov 01 20:04:27.249 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 01 20:04:27.249 INFO kablam!   |                       ^^^^^^^^^^^
Nov 01 20:04:27.249 INFO kablam! 
Nov 01 20:04:27.249 INFO kablam! warning: unused import: `Read`
Nov 01 20:04:27.249 INFO kablam!  --> src/protocol_engine.rs:8:21
Nov 01 20:04:27.252 INFO kablam!   |
Nov 01 20:04:27.252 INFO kablam! 8 | use std::io::{self, Read, Write};
Nov 01 20:04:27.252 INFO kablam!   |                     ^^^^
Nov 01 20:04:27.252 INFO kablam! 
Nov 01 20:04:27.252 INFO kablam! warning: unused import: `Write`
Nov 01 20:04:27.252 INFO kablam!  --> src/protocol_engine.rs:8:27
Nov 01 20:04:27.252 INFO kablam!   |
Nov 01 20:04:27.252 INFO kablam! 8 | use std::io::{self, Read, Write};
Nov 01 20:04:27.252 INFO kablam!   |                           ^^^^^
Nov 01 20:04:27.252 INFO kablam! 
Nov 01 20:04:27.336 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.336 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Nov 01 20:04:27.336 INFO kablam!     |
Nov 01 20:04:27.336 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 01 20:04:27.336 INFO kablam!     |         ----^^^^^^
Nov 01 20:04:27.336 INFO kablam!     |         |
Nov 01 20:04:27.336 INFO kablam!     |         help: remove this `mut`
Nov 01 20:04:27.336 INFO kablam!     |
Nov 01 20:04:27.336 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 20:04:27.336 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: unused import: `Evented`
Nov 01 20:04:27.351 INFO kablam!  --> src/protocol_engine.rs:1:11
Nov 01 20:04:27.351 INFO kablam!   |
Nov 01 20:04:27.351 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 01 20:04:27.351 INFO kablam!   |           ^^^^^^^
Nov 01 20:04:27.351 INFO kablam!   |
Nov 01 20:04:27.351 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: unused import: `Recycleable`
Nov 01 20:04:27.351 INFO kablam!  --> src/protocol_engine.rs:5:23
Nov 01 20:04:27.351 INFO kablam!   |
Nov 01 20:04:27.351 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 01 20:04:27.351 INFO kablam!   |                       ^^^^^^^^^^^
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: unused import: `Read`
Nov 01 20:04:27.351 INFO kablam!  --> src/protocol_engine.rs:8:21
Nov 01 20:04:27.351 INFO kablam!   |
Nov 01 20:04:27.351 INFO kablam! 8 | use std::io::{self, Read, Write};
Nov 01 20:04:27.351 INFO kablam!   |                     ^^^^
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: unused import: `Write`
Nov 01 20:04:27.351 INFO kablam!  --> src/protocol_engine.rs:8:27
Nov 01 20:04:27.351 INFO kablam!   |
Nov 01 20:04:27.351 INFO kablam! 8 | use std::io::{self, Read, Write};
Nov 01 20:04:27.351 INFO kablam!   |                           ^^^^^
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.351 INFO kablam!    --> src/protocol_engine.rs:131:12
Nov 01 20:04:27.351 INFO kablam!     |
Nov 01 20:04:27.351 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 01 20:04:27.351 INFO kablam!     |            ----^^^^^^^^^^^^^^
Nov 01 20:04:27.351 INFO kablam!     |            |
Nov 01 20:04:27.351 INFO kablam!     |            help: remove this `mut`
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.351 INFO kablam!    --> src/protocol_engine.rs:133:22
Nov 01 20:04:27.351 INFO kablam!     |
Nov 01 20:04:27.351 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Nov 01 20:04:27.351 INFO kablam!     |                      ----^^^^^^^
Nov 01 20:04:27.351 INFO kablam!     |                      |
Nov 01 20:04:27.351 INFO kablam!     |                      help: remove this `mut`
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.351 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.351 INFO kablam!    --> src/protocol_engine.rs:133:13
Nov 01 20:04:27.351 INFO kablam!     |
Nov 01 20:04:27.351 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Nov 01 20:04:27.351 INFO kablam!     |             ----^^^
Nov 01 20:04:27.351 INFO kablam!     |             |
Nov 01 20:04:27.351 INFO kablam!     |             help: remove this `mut`
Nov 01 20:04:27.351 INFO kablam! 
Nov 01 20:04:27.404 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.404 INFO kablam!    --> src/protocol_engine.rs:531:26
Nov 01 20:04:27.404 INFO kablam!     |
Nov 01 20:04:27.404 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 01 20:04:27.404 INFO kablam!     |                          ----^^^^^^^^^^^^
Nov 01 20:04:27.404 INFO kablam!     |                          |
Nov 01 20:04:27.404 INFO kablam!     |                          help: remove this `mut`
Nov 01 20:04:27.404 INFO kablam! 
Nov 01 20:04:27.436 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.436 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Nov 01 20:04:27.436 INFO kablam!     |
Nov 01 20:04:27.436 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 01 20:04:27.436 INFO kablam!     |         ----^^^^^^
Nov 01 20:04:27.436 INFO kablam!     |         |
Nov 01 20:04:27.436 INFO kablam!     |         help: remove this `mut`
Nov 01 20:04:27.436 INFO kablam!     |
Nov 01 20:04:27.436 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 20:04:27.436 INFO kablam! 
Nov 01 20:04:27.476 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.476 INFO kablam!    --> src/protocol_engine.rs:131:12
Nov 01 20:04:27.476 INFO kablam!     |
Nov 01 20:04:27.476 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 01 20:04:27.476 INFO kablam!     |            ----^^^^^^^^^^^^^^
Nov 01 20:04:27.476 INFO kablam!     |            |
Nov 01 20:04:27.476 INFO kablam!     |            help: remove this `mut`
Nov 01 20:04:27.477 INFO kablam! 
Nov 01 20:04:27.477 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.477 INFO kablam!    --> src/protocol_engine.rs:133:22
Nov 01 20:04:27.477 INFO kablam!     |
Nov 01 20:04:27.477 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Nov 01 20:04:27.477 INFO kablam!     |                      ----^^^^^^^
Nov 01 20:04:27.477 INFO kablam!     |                      |
Nov 01 20:04:27.477 INFO kablam!     |                      help: remove this `mut`
Nov 01 20:04:27.477 INFO kablam! 
Nov 01 20:04:27.477 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.477 INFO kablam!    --> src/protocol_engine.rs:133:13
Nov 01 20:04:27.477 INFO kablam!     |
Nov 01 20:04:27.477 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Nov 01 20:04:27.477 INFO kablam!     |             ----^^^
Nov 01 20:04:27.477 INFO kablam!     |             |
Nov 01 20:04:27.477 INFO kablam!     |             help: remove this `mut`
Nov 01 20:04:27.477 INFO kablam! 
Nov 01 20:04:27.612 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:04:27.612 INFO kablam!    --> src/protocol_engine.rs:531:26
Nov 01 20:04:27.612 INFO kablam!     |
Nov 01 20:04:27.612 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 01 20:04:27.612 INFO kablam!     |                          ----^^^^^^^^^^^^
Nov 01 20:04:27.612 INFO kablam!     |                          |
Nov 01 20:04:27.612 INFO kablam!     |                          help: remove this `mut`
Nov 01 20:04:27.612 INFO kablam! 
Nov 01 20:04:29.220 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
Nov 01 20:04:29.223 INFO kablam! su: No module specific data is present
Nov 01 20:04:29.778 INFO running `"docker" "rm" "-f" "b4e9112f2cb3eea960429fca0c7c3294708d462efd49e7ba209b71c28774148b"`
Nov 01 20:04:29.936 INFO blam! b4e9112f2cb3eea960429fca0c7c3294708d462efd49e7ba209b71c28774148b