Nov 28 22:20:02.768 INFO checking mai-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:20:02.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 22:20:03.153 INFO [stdout] 561332e92a8d6b6f3d4005f0017b3c921d3da9ca2e51173169b1765940e94b20
Nov 28 22:20:03.154 INFO running `"docker" "start" "-a" "561332e92a8d6b6f3d4005f0017b3c921d3da9ca2e51173169b1765940e94b20"`
Nov 28 22:20:03.706 INFO [stderr] usermod: no changes
Nov 28 22:20:03.798 INFO [stderr]     Checking lifeguard v0.5.2
Nov 28 22:20:04.438 INFO [stderr]     Checking mai v0.1.0 (/source)
Nov 28 22:20:06.409 INFO [stderr] warning: unused import: `Evented`
Nov 28 22:20:06.409 INFO [stderr]  --> src/protocol_engine.rs:1:11
Nov 28 22:20:06.409 INFO [stderr]   |
Nov 28 22:20:06.410 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 28 22:20:06.410 INFO [stderr]   |           ^^^^^^^
Nov 28 22:20:06.410 INFO [stderr]   |
Nov 28 22:20:06.410 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:20:06.411 INFO [stderr] 
Nov 28 22:20:06.411 INFO [stderr] warning: unused import: `Recycleable`
Nov 28 22:20:06.411 INFO [stderr]  --> src/protocol_engine.rs:5:23
Nov 28 22:20:06.411 INFO [stderr]   |
Nov 28 22:20:06.412 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 28 22:20:06.412 INFO [stderr]   |                       ^^^^^^^^^^^
Nov 28 22:20:06.412 INFO [stderr] 
Nov 28 22:20:06.413 INFO [stderr] warning: unused import: `Read`
Nov 28 22:20:06.413 INFO [stderr]  --> src/protocol_engine.rs:8:21
Nov 28 22:20:06.413 INFO [stderr]   |
Nov 28 22:20:06.413 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 28 22:20:06.414 INFO [stderr]   |                     ^^^^
Nov 28 22:20:06.414 INFO [stderr] 
Nov 28 22:20:06.414 INFO [stderr] warning: unused import: `Write`
Nov 28 22:20:06.414 INFO [stderr]  --> src/protocol_engine.rs:8:27
Nov 28 22:20:06.415 INFO [stderr]   |
Nov 28 22:20:06.415 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 28 22:20:06.415 INFO [stderr]   |                           ^^^^^
Nov 28 22:20:06.415 INFO [stderr] 
Nov 28 22:20:06.492 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.492 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Nov 28 22:20:06.492 INFO [stderr]     |
Nov 28 22:20:06.492 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 28 22:20:06.492 INFO [stderr]     |         ----^^^^^^
Nov 28 22:20:06.492 INFO [stderr]     |         |
Nov 28 22:20:06.492 INFO [stderr]     |         help: remove this `mut`
Nov 28 22:20:06.492 INFO [stderr]     |
Nov 28 22:20:06.492 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 22:20:06.492 INFO [stderr] 
Nov 28 22:20:06.522 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.522 INFO [stderr]    --> src/protocol_engine.rs:131:12
Nov 28 22:20:06.522 INFO [stderr]     |
Nov 28 22:20:06.522 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 28 22:20:06.522 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Nov 28 22:20:06.522 INFO [stderr]     |            |
Nov 28 22:20:06.522 INFO [stderr]     |            help: remove this `mut`
Nov 28 22:20:06.522 INFO [stderr] 
Nov 28 22:20:06.522 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.522 INFO [stderr]    --> src/protocol_engine.rs:133:22
Nov 28 22:20:06.522 INFO [stderr]     |
Nov 28 22:20:06.522 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 28 22:20:06.522 INFO [stderr]     |                      ----^^^^^^^
Nov 28 22:20:06.522 INFO [stderr]     |                      |
Nov 28 22:20:06.522 INFO [stderr]     |                      help: remove this `mut`
Nov 28 22:20:06.522 INFO [stderr] 
Nov 28 22:20:06.522 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.522 INFO [stderr]    --> src/protocol_engine.rs:133:13
Nov 28 22:20:06.522 INFO [stderr]     |
Nov 28 22:20:06.522 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 28 22:20:06.522 INFO [stderr]     |             ----^^^
Nov 28 22:20:06.522 INFO [stderr]     |             |
Nov 28 22:20:06.522 INFO [stderr]     |             help: remove this `mut`
Nov 28 22:20:06.522 INFO [stderr] 
Nov 28 22:20:06.607 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.607 INFO [stderr]    --> src/protocol_engine.rs:531:26
Nov 28 22:20:06.607 INFO [stderr]     |
Nov 28 22:20:06.607 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 28 22:20:06.607 INFO [stderr]     |                          ----^^^^^^^^^^^^
Nov 28 22:20:06.607 INFO [stderr]     |                          |
Nov 28 22:20:06.607 INFO [stderr]     |                          help: remove this `mut`
Nov 28 22:20:06.607 INFO [stderr] 
Nov 28 22:20:06.660 INFO [stderr] warning: unused import: `Evented`
Nov 28 22:20:06.660 INFO [stderr]  --> src/protocol_engine.rs:1:11
Nov 28 22:20:06.660 INFO [stderr]   |
Nov 28 22:20:06.660 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 28 22:20:06.660 INFO [stderr]   |           ^^^^^^^
Nov 28 22:20:06.660 INFO [stderr]   |
Nov 28 22:20:06.660 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:20:06.660 INFO [stderr] 
Nov 28 22:20:06.660 INFO [stderr] warning: unused import: `Recycleable`
Nov 28 22:20:06.660 INFO [stderr]  --> src/protocol_engine.rs:5:23
Nov 28 22:20:06.660 INFO [stderr]   |
Nov 28 22:20:06.660 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 28 22:20:06.660 INFO [stderr]   |                       ^^^^^^^^^^^
Nov 28 22:20:06.660 INFO [stderr] 
Nov 28 22:20:06.661 INFO [stderr] warning: unused import: `Read`
Nov 28 22:20:06.661 INFO [stderr]  --> src/protocol_engine.rs:8:21
Nov 28 22:20:06.661 INFO [stderr]   |
Nov 28 22:20:06.661 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 28 22:20:06.661 INFO [stderr]   |                     ^^^^
Nov 28 22:20:06.661 INFO [stderr] 
Nov 28 22:20:06.661 INFO [stderr] warning: unused import: `Write`
Nov 28 22:20:06.661 INFO [stderr]  --> src/protocol_engine.rs:8:27
Nov 28 22:20:06.661 INFO [stderr]   |
Nov 28 22:20:06.661 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 28 22:20:06.661 INFO [stderr]   |                           ^^^^^
Nov 28 22:20:06.661 INFO [stderr] 
Nov 28 22:20:06.728 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.728 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Nov 28 22:20:06.728 INFO [stderr]     |
Nov 28 22:20:06.728 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 28 22:20:06.728 INFO [stderr]     |         ----^^^^^^
Nov 28 22:20:06.728 INFO [stderr]     |         |
Nov 28 22:20:06.728 INFO [stderr]     |         help: remove this `mut`
Nov 28 22:20:06.728 INFO [stderr]     |
Nov 28 22:20:06.728 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 22:20:06.728 INFO [stderr] 
Nov 28 22:20:06.752 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.752 INFO [stderr]    --> src/protocol_engine.rs:131:12
Nov 28 22:20:06.752 INFO [stderr]     |
Nov 28 22:20:06.752 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 28 22:20:06.752 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Nov 28 22:20:06.752 INFO [stderr]     |            |
Nov 28 22:20:06.752 INFO [stderr]     |            help: remove this `mut`
Nov 28 22:20:06.752 INFO [stderr] 
Nov 28 22:20:06.752 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.752 INFO [stderr]    --> src/protocol_engine.rs:133:22
Nov 28 22:20:06.752 INFO [stderr]     |
Nov 28 22:20:06.752 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 28 22:20:06.752 INFO [stderr]     |                      ----^^^^^^^
Nov 28 22:20:06.752 INFO [stderr]     |                      |
Nov 28 22:20:06.752 INFO [stderr]     |                      help: remove this `mut`
Nov 28 22:20:06.752 INFO [stderr] 
Nov 28 22:20:06.752 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.752 INFO [stderr]    --> src/protocol_engine.rs:133:13
Nov 28 22:20:06.752 INFO [stderr]     |
Nov 28 22:20:06.752 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 28 22:20:06.752 INFO [stderr]     |             ----^^^
Nov 28 22:20:06.752 INFO [stderr]     |             |
Nov 28 22:20:06.752 INFO [stderr]     |             help: remove this `mut`
Nov 28 22:20:06.752 INFO [stderr] 
Nov 28 22:20:06.812 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:20:06.813 INFO [stderr]    --> src/protocol_engine.rs:531:26
Nov 28 22:20:06.813 INFO [stderr]     |
Nov 28 22:20:06.813 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 28 22:20:06.814 INFO [stderr]     |                          ----^^^^^^^^^^^^
Nov 28 22:20:06.814 INFO [stderr]     |                          |
Nov 28 22:20:06.814 INFO [stderr]     |                          help: remove this `mut`
Nov 28 22:20:06.814 INFO [stderr] 
Nov 28 22:20:08.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
Nov 28 22:20:08.208 INFO [stderr] su: No module specific data is present
Nov 28 22:20:08.617 INFO running `"docker" "inspect" "561332e92a8d6b6f3d4005f0017b3c921d3da9ca2e51173169b1765940e94b20"`
Nov 28 22:20:08.766 INFO running `"docker" "rm" "-f" "561332e92a8d6b6f3d4005f0017b3c921d3da9ca2e51173169b1765940e94b20"`
Nov 28 22:20:09.019 INFO [stdout] 561332e92a8d6b6f3d4005f0017b3c921d3da9ca2e51173169b1765940e94b20