Nov 30 19:44:09.413 INFO checking mai-0.1.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 19:44:09.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 19:44:09.768 INFO [stdout] 955f64a331e952c4c5a1a046e07a5a0d3c9eb9f5a0eb54d8ea25676328f29ebf
Nov 30 19:44:09.772 INFO running `"docker" "start" "-a" "955f64a331e952c4c5a1a046e07a5a0d3c9eb9f5a0eb54d8ea25676328f29ebf"`
Nov 30 19:44:10.356 INFO [stderr] usermod: no changes
Nov 30 19:44:10.500 INFO [stderr]     Checking lifeguard v0.5.2
Nov 30 19:44:11.144 INFO [stderr]     Checking mai v0.1.0 (/source)
Nov 30 19:44:13.004 INFO [stderr] warning: unused import: `Evented`
Nov 30 19:44:13.004 INFO [stderr]  --> src/protocol_engine.rs:1:11
Nov 30 19:44:13.004 INFO [stderr]   |
Nov 30 19:44:13.004 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 30 19:44:13.004 INFO [stderr]   |           ^^^^^^^
Nov 30 19:44:13.004 INFO [stderr]   |
Nov 30 19:44:13.004 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:44:13.004 INFO [stderr] 
Nov 30 19:44:13.012 INFO [stderr] warning: unused import: `Recycleable`
Nov 30 19:44:13.012 INFO [stderr]  --> src/protocol_engine.rs:5:23
Nov 30 19:44:13.012 INFO [stderr]   |
Nov 30 19:44:13.012 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 30 19:44:13.012 INFO [stderr]   |                       ^^^^^^^^^^^
Nov 30 19:44:13.012 INFO [stderr] 
Nov 30 19:44:13.012 INFO [stderr] warning: unused import: `Read`
Nov 30 19:44:13.012 INFO [stderr]  --> src/protocol_engine.rs:8:21
Nov 30 19:44:13.012 INFO [stderr]   |
Nov 30 19:44:13.012 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 30 19:44:13.012 INFO [stderr]   |                     ^^^^
Nov 30 19:44:13.012 INFO [stderr] 
Nov 30 19:44:13.012 INFO [stderr] warning: unused import: `Write`
Nov 30 19:44:13.012 INFO [stderr]  --> src/protocol_engine.rs:8:27
Nov 30 19:44:13.012 INFO [stderr]   |
Nov 30 19:44:13.012 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 30 19:44:13.012 INFO [stderr]   |                           ^^^^^
Nov 30 19:44:13.012 INFO [stderr] 
Nov 30 19:44:13.068 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.068 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Nov 30 19:44:13.068 INFO [stderr]     |
Nov 30 19:44:13.068 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 30 19:44:13.068 INFO [stderr]     |         ----^^^^^^
Nov 30 19:44:13.068 INFO [stderr]     |         |
Nov 30 19:44:13.068 INFO [stderr]     |         help: remove this `mut`
Nov 30 19:44:13.068 INFO [stderr]     |
Nov 30 19:44:13.068 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 19:44:13.068 INFO [stderr] 
Nov 30 19:44:13.076 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.076 INFO [stderr]    --> src/protocol_engine.rs:131:12
Nov 30 19:44:13.076 INFO [stderr]     |
Nov 30 19:44:13.076 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 30 19:44:13.076 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Nov 30 19:44:13.076 INFO [stderr]     |            |
Nov 30 19:44:13.076 INFO [stderr]     |            help: remove this `mut`
Nov 30 19:44:13.076 INFO [stderr] 
Nov 30 19:44:13.076 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.076 INFO [stderr]    --> src/protocol_engine.rs:133:22
Nov 30 19:44:13.076 INFO [stderr]     |
Nov 30 19:44:13.076 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 30 19:44:13.076 INFO [stderr]     |                      ----^^^^^^^
Nov 30 19:44:13.076 INFO [stderr]     |                      |
Nov 30 19:44:13.076 INFO [stderr]     |                      help: remove this `mut`
Nov 30 19:44:13.076 INFO [stderr] 
Nov 30 19:44:13.076 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.076 INFO [stderr]    --> src/protocol_engine.rs:133:13
Nov 30 19:44:13.076 INFO [stderr]     |
Nov 30 19:44:13.076 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 30 19:44:13.076 INFO [stderr]     |             ----^^^
Nov 30 19:44:13.076 INFO [stderr]     |             |
Nov 30 19:44:13.076 INFO [stderr]     |             help: remove this `mut`
Nov 30 19:44:13.076 INFO [stderr] 
Nov 30 19:44:13.120 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.120 INFO [stderr]    --> src/protocol_engine.rs:531:26
Nov 30 19:44:13.120 INFO [stderr]     |
Nov 30 19:44:13.120 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 30 19:44:13.120 INFO [stderr]     |                          ----^^^^^^^^^^^^
Nov 30 19:44:13.120 INFO [stderr]     |                          |
Nov 30 19:44:13.120 INFO [stderr]     |                          help: remove this `mut`
Nov 30 19:44:13.120 INFO [stderr] 
Nov 30 19:44:13.152 INFO [stderr] warning: unused import: `Evented`
Nov 30 19:44:13.152 INFO [stderr]  --> src/protocol_engine.rs:1:11
Nov 30 19:44:13.152 INFO [stderr]   |
Nov 30 19:44:13.152 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 30 19:44:13.152 INFO [stderr]   |           ^^^^^^^
Nov 30 19:44:13.152 INFO [stderr]   |
Nov 30 19:44:13.152 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:44:13.152 INFO [stderr] 
Nov 30 19:44:13.152 INFO [stderr] warning: unused import: `Recycleable`
Nov 30 19:44:13.152 INFO [stderr]  --> src/protocol_engine.rs:5:23
Nov 30 19:44:13.152 INFO [stderr]   |
Nov 30 19:44:13.152 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 30 19:44:13.152 INFO [stderr]   |                       ^^^^^^^^^^^
Nov 30 19:44:13.152 INFO [stderr] 
Nov 30 19:44:13.152 INFO [stderr] warning: unused import: `Read`
Nov 30 19:44:13.152 INFO [stderr]  --> src/protocol_engine.rs:8:21
Nov 30 19:44:13.152 INFO [stderr]   |
Nov 30 19:44:13.152 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 30 19:44:13.152 INFO [stderr]   |                     ^^^^
Nov 30 19:44:13.152 INFO [stderr] 
Nov 30 19:44:13.152 INFO [stderr] warning: unused import: `Write`
Nov 30 19:44:13.152 INFO [stderr]  --> src/protocol_engine.rs:8:27
Nov 30 19:44:13.152 INFO [stderr]   |
Nov 30 19:44:13.152 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 30 19:44:13.152 INFO [stderr]   |                           ^^^^^
Nov 30 19:44:13.152 INFO [stderr] 
Nov 30 19:44:13.228 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.228 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Nov 30 19:44:13.228 INFO [stderr]     |
Nov 30 19:44:13.228 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 30 19:44:13.228 INFO [stderr]     |         ----^^^^^^
Nov 30 19:44:13.228 INFO [stderr]     |         |
Nov 30 19:44:13.228 INFO [stderr]     |         help: remove this `mut`
Nov 30 19:44:13.228 INFO [stderr]     |
Nov 30 19:44:13.228 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 19:44:13.228 INFO [stderr] 
Nov 30 19:44:13.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.248 INFO [stderr]    --> src/protocol_engine.rs:131:12
Nov 30 19:44:13.248 INFO [stderr]     |
Nov 30 19:44:13.248 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 30 19:44:13.248 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Nov 30 19:44:13.248 INFO [stderr]     |            |
Nov 30 19:44:13.248 INFO [stderr]     |            help: remove this `mut`
Nov 30 19:44:13.248 INFO [stderr] 
Nov 30 19:44:13.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.248 INFO [stderr]    --> src/protocol_engine.rs:133:22
Nov 30 19:44:13.248 INFO [stderr]     |
Nov 30 19:44:13.248 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 30 19:44:13.248 INFO [stderr]     |                      ----^^^^^^^
Nov 30 19:44:13.248 INFO [stderr]     |                      |
Nov 30 19:44:13.248 INFO [stderr]     |                      help: remove this `mut`
Nov 30 19:44:13.248 INFO [stderr] 
Nov 30 19:44:13.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.248 INFO [stderr]    --> src/protocol_engine.rs:133:13
Nov 30 19:44:13.248 INFO [stderr]     |
Nov 30 19:44:13.248 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 30 19:44:13.248 INFO [stderr]     |             ----^^^
Nov 30 19:44:13.248 INFO [stderr]     |             |
Nov 30 19:44:13.248 INFO [stderr]     |             help: remove this `mut`
Nov 30 19:44:13.249 INFO [stderr] 
Nov 30 19:44:13.296 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:44:13.296 INFO [stderr]    --> src/protocol_engine.rs:531:26
Nov 30 19:44:13.296 INFO [stderr]     |
Nov 30 19:44:13.297 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 30 19:44:13.297 INFO [stderr]     |                          ----^^^^^^^^^^^^
Nov 30 19:44:13.297 INFO [stderr]     |                          |
Nov 30 19:44:13.297 INFO [stderr]     |                          help: remove this `mut`
Nov 30 19:44:13.297 INFO [stderr] 
Nov 30 19:44:14.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
Nov 30 19:44:14.652 INFO [stderr] su: No module specific data is present
Nov 30 19:44:14.964 INFO running `"docker" "inspect" "955f64a331e952c4c5a1a046e07a5a0d3c9eb9f5a0eb54d8ea25676328f29ebf"`
Nov 30 19:44:15.098 INFO running `"docker" "rm" "-f" "955f64a331e952c4c5a1a046e07a5a0d3c9eb9f5a0eb54d8ea25676328f29ebf"`
Nov 30 19:44:15.280 INFO [stdout] 955f64a331e952c4c5a1a046e07a5a0d3c9eb9f5a0eb54d8ea25676328f29ebf