Sep 02 08:04:56.496 INFO checking mai-0.1.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 08:04:56.496 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 08:04:56.496 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 08:04:56.710 INFO blam! 060af46300636f54b3bae0467b7450ea6a1205660f580de899fdbc7dc503088e
Sep 02 08:04:56.712 INFO running `"docker" "start" "-a" "060af46300636f54b3bae0467b7450ea6a1205660f580de899fdbc7dc503088e"`
Sep 02 08:04:57.418 INFO kablam!     Checking lifeguard v0.5.2
Sep 02 08:04:58.178 INFO kablam!     Checking mai v0.1.0 (file:///source)
Sep 02 08:04:59.968 INFO kablam! warning: unused import: `Evented`
Sep 02 08:04:59.968 INFO kablam!  --> src/protocol_engine.rs:1:11
Sep 02 08:04:59.968 INFO kablam!   |
Sep 02 08:04:59.968 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Sep 02 08:04:59.968 INFO kablam!   |           ^^^^^^^
Sep 02 08:04:59.968 INFO kablam!   |
Sep 02 08:04:59.968 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 08:04:59.968 INFO kablam! 
Sep 02 08:04:59.969 INFO kablam! warning: unused import: `Recycleable`
Sep 02 08:04:59.969 INFO kablam!  --> src/protocol_engine.rs:5:23
Sep 02 08:04:59.969 INFO kablam!   |
Sep 02 08:04:59.969 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Sep 02 08:04:59.969 INFO kablam!   |                       ^^^^^^^^^^^
Sep 02 08:04:59.969 INFO kablam! 
Sep 02 08:04:59.969 INFO kablam! warning: unused import: `Read`
Sep 02 08:04:59.969 INFO kablam!  --> src/protocol_engine.rs:8:21
Sep 02 08:04:59.969 INFO kablam!   |
Sep 02 08:04:59.969 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 02 08:04:59.969 INFO kablam!   |                     ^^^^
Sep 02 08:04:59.969 INFO kablam! 
Sep 02 08:04:59.969 INFO kablam! warning: unused import: `Write`
Sep 02 08:04:59.969 INFO kablam!  --> src/protocol_engine.rs:8:27
Sep 02 08:04:59.969 INFO kablam!   |
Sep 02 08:04:59.969 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 02 08:04:59.969 INFO kablam!   |                           ^^^^^
Sep 02 08:04:59.969 INFO kablam! 
Sep 02 08:05:00.066 INFO kablam! warning: unused import: `Evented`
Sep 02 08:05:00.066 INFO kablam!  --> src/protocol_engine.rs:1:11
Sep 02 08:05:00.066 INFO kablam!   |
Sep 02 08:05:00.066 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Sep 02 08:05:00.066 INFO kablam!   |           ^^^^^^^
Sep 02 08:05:00.066 INFO kablam!   |
Sep 02 08:05:00.066 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 08:05:00.066 INFO kablam! 
Sep 02 08:05:00.066 INFO kablam! warning: unused import: `Recycleable`
Sep 02 08:05:00.066 INFO kablam!  --> src/protocol_engine.rs:5:23
Sep 02 08:05:00.066 INFO kablam!   |
Sep 02 08:05:00.066 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Sep 02 08:05:00.066 INFO kablam!   |                       ^^^^^^^^^^^
Sep 02 08:05:00.066 INFO kablam! 
Sep 02 08:05:00.067 INFO kablam! warning: unused import: `Read`
Sep 02 08:05:00.067 INFO kablam!  --> src/protocol_engine.rs:8:21
Sep 02 08:05:00.068 INFO kablam!   |
Sep 02 08:05:00.068 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 02 08:05:00.068 INFO kablam!   |                     ^^^^
Sep 02 08:05:00.068 INFO kablam! 
Sep 02 08:05:00.068 INFO kablam! warning: unused import: `Write`
Sep 02 08:05:00.068 INFO kablam!  --> src/protocol_engine.rs:8:27
Sep 02 08:05:00.068 INFO kablam!   |
Sep 02 08:05:00.068 INFO kablam! 8 | use std::io::{self, Read, Write};
Sep 02 08:05:00.068 INFO kablam!   |                           ^^^^^
Sep 02 08:05:00.068 INFO kablam! 
Sep 02 08:05:00.108 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.108 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Sep 02 08:05:00.109 INFO kablam!     |
Sep 02 08:05:00.109 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Sep 02 08:05:00.109 INFO kablam!     |         ----^^^^^^
Sep 02 08:05:00.109 INFO kablam!     |         |
Sep 02 08:05:00.109 INFO kablam!     |         help: remove this `mut`
Sep 02 08:05:00.109 INFO kablam!     |
Sep 02 08:05:00.109 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 08:05:00.109 INFO kablam! 
Sep 02 08:05:00.145 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.145 INFO kablam!    --> src/protocol_engine.rs:131:12
Sep 02 08:05:00.145 INFO kablam!     |
Sep 02 08:05:00.145 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Sep 02 08:05:00.145 INFO kablam!     |            ----^^^^^^^^^^^^^^
Sep 02 08:05:00.145 INFO kablam!     |            |
Sep 02 08:05:00.145 INFO kablam!     |            help: remove this `mut`
Sep 02 08:05:00.145 INFO kablam! 
Sep 02 08:05:00.145 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.146 INFO kablam!    --> src/protocol_engine.rs:133:22
Sep 02 08:05:00.146 INFO kablam!     |
Sep 02 08:05:00.146 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 02 08:05:00.146 INFO kablam!     |                      ----^^^^^^^
Sep 02 08:05:00.146 INFO kablam!     |                      |
Sep 02 08:05:00.146 INFO kablam!     |                      help: remove this `mut`
Sep 02 08:05:00.146 INFO kablam! 
Sep 02 08:05:00.146 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.146 INFO kablam!    --> src/protocol_engine.rs:133:13
Sep 02 08:05:00.146 INFO kablam!     |
Sep 02 08:05:00.146 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 02 08:05:00.146 INFO kablam!     |             ----^^^
Sep 02 08:05:00.146 INFO kablam!     |             |
Sep 02 08:05:00.146 INFO kablam!     |             help: remove this `mut`
Sep 02 08:05:00.146 INFO kablam! 
Sep 02 08:05:00.207 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.207 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Sep 02 08:05:00.207 INFO kablam!     |
Sep 02 08:05:00.207 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Sep 02 08:05:00.207 INFO kablam!     |         ----^^^^^^
Sep 02 08:05:00.207 INFO kablam!     |         |
Sep 02 08:05:00.207 INFO kablam!     |         help: remove this `mut`
Sep 02 08:05:00.207 INFO kablam!     |
Sep 02 08:05:00.207 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 08:05:00.207 INFO kablam! 
Sep 02 08:05:00.241 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.241 INFO kablam!    --> src/protocol_engine.rs:531:26
Sep 02 08:05:00.241 INFO kablam!     |
Sep 02 08:05:00.241 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Sep 02 08:05:00.241 INFO kablam!     |                          ----^^^^^^^^^^^^
Sep 02 08:05:00.241 INFO kablam!     |                          |
Sep 02 08:05:00.241 INFO kablam!     |                          help: remove this `mut`
Sep 02 08:05:00.241 INFO kablam! 
Sep 02 08:05:00.244 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.244 INFO kablam!    --> src/protocol_engine.rs:131:12
Sep 02 08:05:00.244 INFO kablam!     |
Sep 02 08:05:00.244 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Sep 02 08:05:00.244 INFO kablam!     |            ----^^^^^^^^^^^^^^
Sep 02 08:05:00.244 INFO kablam!     |            |
Sep 02 08:05:00.244 INFO kablam!     |            help: remove this `mut`
Sep 02 08:05:00.244 INFO kablam! 
Sep 02 08:05:00.245 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.245 INFO kablam!    --> src/protocol_engine.rs:133:22
Sep 02 08:05:00.245 INFO kablam!     |
Sep 02 08:05:00.245 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 02 08:05:00.245 INFO kablam!     |                      ----^^^^^^^
Sep 02 08:05:00.245 INFO kablam!     |                      |
Sep 02 08:05:00.245 INFO kablam!     |                      help: remove this `mut`
Sep 02 08:05:00.245 INFO kablam! 
Sep 02 08:05:00.245 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.245 INFO kablam!    --> src/protocol_engine.rs:133:13
Sep 02 08:05:00.245 INFO kablam!     |
Sep 02 08:05:00.245 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Sep 02 08:05:00.245 INFO kablam!     |             ----^^^
Sep 02 08:05:00.245 INFO kablam!     |             |
Sep 02 08:05:00.245 INFO kablam!     |             help: remove this `mut`
Sep 02 08:05:00.245 INFO kablam! 
Sep 02 08:05:00.339 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:05:00.339 INFO kablam!    --> src/protocol_engine.rs:531:26
Sep 02 08:05:00.339 INFO kablam!     |
Sep 02 08:05:00.339 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Sep 02 08:05:00.339 INFO kablam!     |                          ----^^^^^^^^^^^^
Sep 02 08:05:00.339 INFO kablam!     |                          |
Sep 02 08:05:00.339 INFO kablam!     |                          help: remove this `mut`
Sep 02 08:05:00.339 INFO kablam! 
Sep 02 08:05:01.695 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Sep 02 08:05:01.699 INFO kablam! su: No module specific data is present
Sep 02 08:05:02.131 INFO running `"docker" "rm" "-f" "060af46300636f54b3bae0467b7450ea6a1205660f580de899fdbc7dc503088e"`
Sep 02 08:05:02.225 INFO blam! 060af46300636f54b3bae0467b7450ea6a1205660f580de899fdbc7dc503088e