Aug 30 11:41:22.183 INFO checking mai-0.1.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 11:41:22.183 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 11:41:22.183 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 11:41:22.361 INFO blam! 7ee24ddee10c1c5be00c6d7127b34dcb39df6f64df9d4aec16816ae4af9c9a3e
Aug 30 11:41:22.363 INFO running `"docker" "start" "-a" "7ee24ddee10c1c5be00c6d7127b34dcb39df6f64df9d4aec16816ae4af9c9a3e"`
Aug 30 11:41:23.133 INFO kablam!     Checking lifeguard v0.5.2
Aug 30 11:41:23.698 INFO kablam!     Checking mai v0.1.0 (file:///source)
Aug 30 11:41:25.447 INFO kablam! warning: unused import: `Evented`
Aug 30 11:41:25.447 INFO kablam!  --> src/protocol_engine.rs:1:11
Aug 30 11:41:25.447 INFO kablam!   |
Aug 30 11:41:25.447 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Aug 30 11:41:25.447 INFO kablam!   |           ^^^^^^^
Aug 30 11:41:25.447 INFO kablam!   |
Aug 30 11:41:25.447 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 11:41:25.447 INFO kablam! 
Aug 30 11:41:25.447 INFO kablam! warning: unused import: `Recycleable`
Aug 30 11:41:25.447 INFO kablam!  --> src/protocol_engine.rs:5:23
Aug 30 11:41:25.447 INFO kablam!   |
Aug 30 11:41:25.447 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Aug 30 11:41:25.447 INFO kablam!   |                       ^^^^^^^^^^^
Aug 30 11:41:25.447 INFO kablam! 
Aug 30 11:41:25.447 INFO kablam! warning: unused import: `Read`
Aug 30 11:41:25.447 INFO kablam!  --> src/protocol_engine.rs:8:21
Aug 30 11:41:25.447 INFO kablam!   |
Aug 30 11:41:25.447 INFO kablam! 8 | use std::io::{self, Read, Write};
Aug 30 11:41:25.447 INFO kablam!   |                     ^^^^
Aug 30 11:41:25.447 INFO kablam! 
Aug 30 11:41:25.447 INFO kablam! warning: unused import: `Write`
Aug 30 11:41:25.447 INFO kablam!  --> src/protocol_engine.rs:8:27
Aug 30 11:41:25.447 INFO kablam!   |
Aug 30 11:41:25.447 INFO kablam! 8 | use std::io::{self, Read, Write};
Aug 30 11:41:25.447 INFO kablam!   |                           ^^^^^
Aug 30 11:41:25.447 INFO kablam! 
Aug 30 11:41:25.597 INFO kablam! warning: unused import: `Evented`
Aug 30 11:41:25.597 INFO kablam!  --> src/protocol_engine.rs:1:11
Aug 30 11:41:25.597 INFO kablam!   |
Aug 30 11:41:25.597 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Aug 30 11:41:25.597 INFO kablam!   |           ^^^^^^^
Aug 30 11:41:25.597 INFO kablam!   |
Aug 30 11:41:25.597 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 11:41:25.597 INFO kablam! 
Aug 30 11:41:25.597 INFO kablam! warning: unused import: `Recycleable`
Aug 30 11:41:25.597 INFO kablam!  --> src/protocol_engine.rs:5:23
Aug 30 11:41:25.597 INFO kablam!   |
Aug 30 11:41:25.597 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Aug 30 11:41:25.597 INFO kablam!   |                       ^^^^^^^^^^^
Aug 30 11:41:25.597 INFO kablam! 
Aug 30 11:41:25.597 INFO kablam! warning: unused import: `Read`
Aug 30 11:41:25.598 INFO kablam!  --> src/protocol_engine.rs:8:21
Aug 30 11:41:25.598 INFO kablam!   |
Aug 30 11:41:25.598 INFO kablam! 8 | use std::io::{self, Read, Write};
Aug 30 11:41:25.598 INFO kablam!   |                     ^^^^
Aug 30 11:41:25.598 INFO kablam! 
Aug 30 11:41:25.598 INFO kablam! warning: unused import: `Write`
Aug 30 11:41:25.598 INFO kablam!  --> src/protocol_engine.rs:8:27
Aug 30 11:41:25.598 INFO kablam!   |
Aug 30 11:41:25.598 INFO kablam! 8 | use std::io::{self, Read, Write};
Aug 30 11:41:25.598 INFO kablam!   |                           ^^^^^
Aug 30 11:41:25.598 INFO kablam! 
Aug 30 11:41:25.598 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.598 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Aug 30 11:41:25.598 INFO kablam!     |
Aug 30 11:41:25.598 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Aug 30 11:41:25.598 INFO kablam!     |         ----^^^^^^
Aug 30 11:41:25.598 INFO kablam!     |         |
Aug 30 11:41:25.598 INFO kablam!     |         help: remove this `mut`
Aug 30 11:41:25.599 INFO kablam!     |
Aug 30 11:41:25.599 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:41:25.599 INFO kablam! 
Aug 30 11:41:25.618 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.618 INFO kablam!    --> src/protocol_engine.rs:131:12
Aug 30 11:41:25.618 INFO kablam!     |
Aug 30 11:41:25.618 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Aug 30 11:41:25.619 INFO kablam!     |            ----^^^^^^^^^^^^^^
Aug 30 11:41:25.619 INFO kablam!     |            |
Aug 30 11:41:25.619 INFO kablam!     |            help: remove this `mut`
Aug 30 11:41:25.619 INFO kablam! 
Aug 30 11:41:25.619 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.619 INFO kablam!    --> src/protocol_engine.rs:133:22
Aug 30 11:41:25.619 INFO kablam!     |
Aug 30 11:41:25.619 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Aug 30 11:41:25.619 INFO kablam!     |                      ----^^^^^^^
Aug 30 11:41:25.619 INFO kablam!     |                      |
Aug 30 11:41:25.619 INFO kablam!     |                      help: remove this `mut`
Aug 30 11:41:25.619 INFO kablam! 
Aug 30 11:41:25.619 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.619 INFO kablam!    --> src/protocol_engine.rs:133:13
Aug 30 11:41:25.619 INFO kablam!     |
Aug 30 11:41:25.619 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Aug 30 11:41:25.619 INFO kablam!     |             ----^^^
Aug 30 11:41:25.619 INFO kablam!     |             |
Aug 30 11:41:25.619 INFO kablam!     |             help: remove this `mut`
Aug 30 11:41:25.619 INFO kablam! 
Aug 30 11:41:25.672 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.673 INFO kablam!    --> src/protocol_engine.rs:531:26
Aug 30 11:41:25.673 INFO kablam!     |
Aug 30 11:41:25.673 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Aug 30 11:41:25.673 INFO kablam!     |                          ----^^^^^^^^^^^^
Aug 30 11:41:25.673 INFO kablam!     |                          |
Aug 30 11:41:25.673 INFO kablam!     |                          help: remove this `mut`
Aug 30 11:41:25.673 INFO kablam! 
Aug 30 11:41:25.747 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.747 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Aug 30 11:41:25.747 INFO kablam!     |
Aug 30 11:41:25.747 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Aug 30 11:41:25.747 INFO kablam!     |         ----^^^^^^
Aug 30 11:41:25.747 INFO kablam!     |         |
Aug 30 11:41:25.747 INFO kablam!     |         help: remove this `mut`
Aug 30 11:41:25.747 INFO kablam!     |
Aug 30 11:41:25.747 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:41:25.747 INFO kablam! 
Aug 30 11:41:25.773 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.773 INFO kablam!    --> src/protocol_engine.rs:131:12
Aug 30 11:41:25.773 INFO kablam!     |
Aug 30 11:41:25.773 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Aug 30 11:41:25.774 INFO kablam!     |            ----^^^^^^^^^^^^^^
Aug 30 11:41:25.774 INFO kablam!     |            |
Aug 30 11:41:25.774 INFO kablam!     |            help: remove this `mut`
Aug 30 11:41:25.774 INFO kablam! 
Aug 30 11:41:25.774 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.774 INFO kablam!    --> src/protocol_engine.rs:133:22
Aug 30 11:41:25.774 INFO kablam!     |
Aug 30 11:41:25.774 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Aug 30 11:41:25.774 INFO kablam!     |                      ----^^^^^^^
Aug 30 11:41:25.774 INFO kablam!     |                      |
Aug 30 11:41:25.775 INFO kablam!     |                      help: remove this `mut`
Aug 30 11:41:25.775 INFO kablam! 
Aug 30 11:41:25.775 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.775 INFO kablam!    --> src/protocol_engine.rs:133:13
Aug 30 11:41:25.775 INFO kablam!     |
Aug 30 11:41:25.775 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Aug 30 11:41:25.775 INFO kablam!     |             ----^^^
Aug 30 11:41:25.775 INFO kablam!     |             |
Aug 30 11:41:25.775 INFO kablam!     |             help: remove this `mut`
Aug 30 11:41:25.775 INFO kablam! 
Aug 30 11:41:25.833 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:41:25.833 INFO kablam!    --> src/protocol_engine.rs:531:26
Aug 30 11:41:25.833 INFO kablam!     |
Aug 30 11:41:25.833 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Aug 30 11:41:25.833 INFO kablam!     |                          ----^^^^^^^^^^^^
Aug 30 11:41:25.833 INFO kablam!     |                          |
Aug 30 11:41:25.833 INFO kablam!     |                          help: remove this `mut`
Aug 30 11:41:25.833 INFO kablam! 
Aug 30 11:41:27.058 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
Aug 30 11:41:27.061 INFO kablam! su: No module specific data is present
Aug 30 11:41:27.836 INFO running `"docker" "rm" "-f" "7ee24ddee10c1c5be00c6d7127b34dcb39df6f64df9d4aec16816ae4af9c9a3e"`
Aug 30 11:41:27.926 INFO blam! 7ee24ddee10c1c5be00c6d7127b34dcb39df6f64df9d4aec16816ae4af9c9a3e