Sep 10 14:54:52.911 INFO checking mai-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:54:52.911 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:54:52.911 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:54:53.093 INFO blam! 07e7955c0a4a57d82fc20f9a7e115808e56e4b55593360cb45207d28d89a24e3
Sep 10 14:54:53.095 INFO running `"docker" "start" "-a" "07e7955c0a4a57d82fc20f9a7e115808e56e4b55593360cb45207d28d89a24e3"`
Sep 10 14:54:54.011 INFO kablam! usermod: no changes
Sep 10 14:54:54.092 INFO kablam!     Checking lifeguard v0.5.2
Sep 10 14:54:54.476 INFO kablam!     Checking mai v0.1.0 (file:///source)
Sep 10 14:54:55.655 INFO kablam! warning: unused import: `Evented`
Sep 10 14:54:55.655 INFO kablam!  --> src/protocol_engine.rs:1:11
Sep 10 14:54:55.655 INFO kablam!   |
Sep 10 14:54:55.655 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Sep 10 14:54:55.655 INFO kablam!   |           ^^^^^^^
Sep 10 14:54:55.655 INFO kablam!   |
Sep 10 14:54:55.655 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 14:54:55.655 INFO kablam! 
Sep 10 14:54:55.655 INFO kablam! warning: unused import: `Recycleable`
Sep 10 14:54:55.655 INFO kablam!  --> src/protocol_engine.rs:5:23
Sep 10 14:54:55.655 INFO kablam!   |
Sep 10 14:54:55.655 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Sep 10 14:54:55.655 INFO kablam!   |                       ^^^^^^^^^^^
Sep 10 14:54:55.655 INFO kablam! 
Sep 10 14:54:55.658 INFO kablam! warning: unused import: `Read`
Sep 10 14:54:55.658 INFO kablam!  --> src/protocol_engine.rs:8:21
Sep 10 14:54:55.658 INFO kablam!   |
Sep 10 14:54:55.658 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 10 14:54:55.658 INFO kablam!   |                     ^^^^
Sep 10 14:54:55.658 INFO kablam! 
Sep 10 14:54:55.658 INFO kablam! warning: unused import: `Write`
Sep 10 14:54:55.658 INFO kablam!  --> src/protocol_engine.rs:8:27
Sep 10 14:54:55.658 INFO kablam!   |
Sep 10 14:54:55.658 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 10 14:54:55.658 INFO kablam!   |                           ^^^^^
Sep 10 14:54:55.658 INFO kablam! 
Sep 10 14:54:55.766 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.766 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Sep 10 14:54:55.766 INFO kablam!     |
Sep 10 14:54:55.766 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Sep 10 14:54:55.766 INFO kablam!     |         ----^^^^^^
Sep 10 14:54:55.766 INFO kablam!     |         |
Sep 10 14:54:55.766 INFO kablam!     |         help: remove this `mut`
Sep 10 14:54:55.766 INFO kablam!     |
Sep 10 14:54:55.766 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 14:54:55.766 INFO kablam! 
Sep 10 14:54:55.782 INFO kablam! warning: unused import: `Evented`
Sep 10 14:54:55.783 INFO kablam!  --> src/protocol_engine.rs:1:11
Sep 10 14:54:55.783 INFO kablam!   |
Sep 10 14:54:55.783 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Sep 10 14:54:55.783 INFO kablam!   |           ^^^^^^^
Sep 10 14:54:55.783 INFO kablam!   |
Sep 10 14:54:55.783 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.783 INFO kablam! warning: unused import: `Recycleable`
Sep 10 14:54:55.783 INFO kablam!  --> src/protocol_engine.rs:5:23
Sep 10 14:54:55.783 INFO kablam!   |
Sep 10 14:54:55.783 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Sep 10 14:54:55.783 INFO kablam!   |                       ^^^^^^^^^^^
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.783 INFO kablam! warning: unused import: `Read`
Sep 10 14:54:55.783 INFO kablam!  --> src/protocol_engine.rs:8:21
Sep 10 14:54:55.783 INFO kablam!   |
Sep 10 14:54:55.783 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 10 14:54:55.783 INFO kablam!   |                     ^^^^
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.783 INFO kablam! warning: unused import: `Write`
Sep 10 14:54:55.783 INFO kablam!  --> src/protocol_engine.rs:8:27
Sep 10 14:54:55.783 INFO kablam!   |
Sep 10 14:54:55.783 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 10 14:54:55.783 INFO kablam!   |                           ^^^^^
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.783 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.783 INFO kablam!    --> src/protocol_engine.rs:131:12
Sep 10 14:54:55.783 INFO kablam!     |
Sep 10 14:54:55.783 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Sep 10 14:54:55.783 INFO kablam!     |            ----^^^^^^^^^^^^^^
Sep 10 14:54:55.783 INFO kablam!     |            |
Sep 10 14:54:55.783 INFO kablam!     |            help: remove this `mut`
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.783 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.783 INFO kablam!    --> src/protocol_engine.rs:133:22
Sep 10 14:54:55.783 INFO kablam!     |
Sep 10 14:54:55.783 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 10 14:54:55.783 INFO kablam!     |                      ----^^^^^^^
Sep 10 14:54:55.783 INFO kablam!     |                      |
Sep 10 14:54:55.783 INFO kablam!     |                      help: remove this `mut`
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.783 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.783 INFO kablam!    --> src/protocol_engine.rs:133:13
Sep 10 14:54:55.783 INFO kablam!     |
Sep 10 14:54:55.783 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 10 14:54:55.783 INFO kablam!     |             ----^^^
Sep 10 14:54:55.783 INFO kablam!     |             |
Sep 10 14:54:55.783 INFO kablam!     |             help: remove this `mut`
Sep 10 14:54:55.783 INFO kablam! 
Sep 10 14:54:55.833 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.833 INFO kablam!    --> src/protocol_engine.rs:531:26
Sep 10 14:54:55.833 INFO kablam!     |
Sep 10 14:54:55.833 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Sep 10 14:54:55.833 INFO kablam!     |                          ----^^^^^^^^^^^^
Sep 10 14:54:55.833 INFO kablam!     |                          |
Sep 10 14:54:55.833 INFO kablam!     |                          help: remove this `mut`
Sep 10 14:54:55.833 INFO kablam! 
Sep 10 14:54:55.862 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.862 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Sep 10 14:54:55.862 INFO kablam!     |
Sep 10 14:54:55.862 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Sep 10 14:54:55.862 INFO kablam!     |         ----^^^^^^
Sep 10 14:54:55.862 INFO kablam!     |         |
Sep 10 14:54:55.862 INFO kablam!     |         help: remove this `mut`
Sep 10 14:54:55.862 INFO kablam!     |
Sep 10 14:54:55.862 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 14:54:55.862 INFO kablam! 
Sep 10 14:54:55.886 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.886 INFO kablam!    --> src/protocol_engine.rs:131:12
Sep 10 14:54:55.886 INFO kablam!     |
Sep 10 14:54:55.886 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Sep 10 14:54:55.886 INFO kablam!     |            ----^^^^^^^^^^^^^^
Sep 10 14:54:55.887 INFO kablam!     |            |
Sep 10 14:54:55.887 INFO kablam!     |            help: remove this `mut`
Sep 10 14:54:55.887 INFO kablam! 
Sep 10 14:54:55.887 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.887 INFO kablam!    --> src/protocol_engine.rs:133:22
Sep 10 14:54:55.887 INFO kablam!     |
Sep 10 14:54:55.887 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 10 14:54:55.887 INFO kablam!     |                      ----^^^^^^^
Sep 10 14:54:55.887 INFO kablam!     |                      |
Sep 10 14:54:55.887 INFO kablam!     |                      help: remove this `mut`
Sep 10 14:54:55.887 INFO kablam! 
Sep 10 14:54:55.887 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.887 INFO kablam!    --> src/protocol_engine.rs:133:13
Sep 10 14:54:55.887 INFO kablam!     |
Sep 10 14:54:55.887 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 10 14:54:55.887 INFO kablam!     |             ----^^^
Sep 10 14:54:55.887 INFO kablam!     |             |
Sep 10 14:54:55.887 INFO kablam!     |             help: remove this `mut`
Sep 10 14:54:55.887 INFO kablam! 
Sep 10 14:54:55.948 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:54:55.948 INFO kablam!    --> src/protocol_engine.rs:531:26
Sep 10 14:54:55.948 INFO kablam!     |
Sep 10 14:54:55.948 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Sep 10 14:54:55.948 INFO kablam!     |                          ----^^^^^^^^^^^^
Sep 10 14:54:55.948 INFO kablam!     |                          |
Sep 10 14:54:55.948 INFO kablam!     |                          help: remove this `mut`
Sep 10 14:54:55.948 INFO kablam! 
Sep 10 14:54:56.798 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
Sep 10 14:54:56.804 INFO kablam! su: No module specific data is present
Sep 10 14:54:57.496 INFO running `"docker" "rm" "-f" "07e7955c0a4a57d82fc20f9a7e115808e56e4b55593360cb45207d28d89a24e3"`
Sep 10 14:54:57.599 INFO blam! 07e7955c0a4a57d82fc20f9a7e115808e56e4b55593360cb45207d28d89a24e3