Oct 27 19:26:34.550 INFO checking mai-0.1.0 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 19:26:34.550 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 19:26:34.944 INFO blam! def0f752572d1bf1e95a6e31adc5e11d2eed10781ec468097b25ad5bdc56115c
Oct 27 19:26:34.945 INFO running `"docker" "start" "-a" "def0f752572d1bf1e95a6e31adc5e11d2eed10781ec468097b25ad5bdc56115c"`
Oct 27 19:26:35.952 INFO kablam! usermod: no changes
Oct 27 19:26:36.140 INFO kablam!     Checking lifeguard v0.5.2
Oct 27 19:26:36.931 INFO kablam!     Checking mai v0.1.0 (/source)
Oct 27 19:26:39.123 INFO kablam! warning: unused import: `Evented`
Oct 27 19:26:39.123 INFO kablam!  --> src/protocol_engine.rs:1:11
Oct 27 19:26:39.123 INFO kablam!   |
Oct 27 19:26:39.123 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Oct 27 19:26:39.123 INFO kablam!   |           ^^^^^^^
Oct 27 19:26:39.167 INFO kablam!   |
Oct 27 19:26:39.167 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 19:26:39.167 INFO kablam! 
Oct 27 19:26:39.167 INFO kablam! warning: unused import: `Recycleable`
Oct 27 19:26:39.167 INFO kablam!  --> src/protocol_engine.rs:5:23
Oct 27 19:26:39.167 INFO kablam!   |
Oct 27 19:26:39.167 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Oct 27 19:26:39.167 INFO kablam!   |                       ^^^^^^^^^^^
Oct 27 19:26:39.167 INFO kablam! 
Oct 27 19:26:39.167 INFO kablam! warning: unused import: `Read`
Oct 27 19:26:39.167 INFO kablam!  --> src/protocol_engine.rs:8:21
Oct 27 19:26:39.167 INFO kablam!   |
Oct 27 19:26:39.167 INFO kablam! 8 | use std::io::{self, Read, Write};
Oct 27 19:26:39.167 INFO kablam!   |                     ^^^^
Oct 27 19:26:39.167 INFO kablam! 
Oct 27 19:26:39.167 INFO kablam! warning: unused import: `Write`
Oct 27 19:26:39.167 INFO kablam!  --> src/protocol_engine.rs:8:27
Oct 27 19:26:39.167 INFO kablam!   |
Oct 27 19:26:39.167 INFO kablam! 8 | use std::io::{self, Read, Write};
Oct 27 19:26:39.167 INFO kablam!   |                           ^^^^^
Oct 27 19:26:39.167 INFO kablam! 
Oct 27 19:26:39.232 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.232 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Oct 27 19:26:39.232 INFO kablam!     |
Oct 27 19:26:39.233 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Oct 27 19:26:39.233 INFO kablam!     |         ----^^^^^^
Oct 27 19:26:39.233 INFO kablam!     |         |
Oct 27 19:26:39.233 INFO kablam!     |         help: remove this `mut`
Oct 27 19:26:39.234 INFO kablam!     |
Oct 27 19:26:39.234 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 19:26:39.234 INFO kablam! 
Oct 27 19:26:39.283 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.283 INFO kablam!    --> src/protocol_engine.rs:131:12
Oct 27 19:26:39.283 INFO kablam!     |
Oct 27 19:26:39.283 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Oct 27 19:26:39.283 INFO kablam!     |            ----^^^^^^^^^^^^^^
Oct 27 19:26:39.283 INFO kablam!     |            |
Oct 27 19:26:39.283 INFO kablam!     |            help: remove this `mut`
Oct 27 19:26:39.283 INFO kablam! 
Oct 27 19:26:39.283 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.283 INFO kablam!    --> src/protocol_engine.rs:133:22
Oct 27 19:26:39.283 INFO kablam!     |
Oct 27 19:26:39.283 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Oct 27 19:26:39.283 INFO kablam!     |                      ----^^^^^^^
Oct 27 19:26:39.283 INFO kablam!     |                      |
Oct 27 19:26:39.283 INFO kablam!     |                      help: remove this `mut`
Oct 27 19:26:39.283 INFO kablam! 
Oct 27 19:26:39.283 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.283 INFO kablam!    --> src/protocol_engine.rs:133:13
Oct 27 19:26:39.283 INFO kablam!     |
Oct 27 19:26:39.283 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Oct 27 19:26:39.283 INFO kablam!     |             ----^^^
Oct 27 19:26:39.283 INFO kablam!     |             |
Oct 27 19:26:39.283 INFO kablam!     |             help: remove this `mut`
Oct 27 19:26:39.283 INFO kablam! 
Oct 27 19:26:39.332 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.332 INFO kablam!    --> src/protocol_engine.rs:531:26
Oct 27 19:26:39.332 INFO kablam!     |
Oct 27 19:26:39.332 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Oct 27 19:26:39.332 INFO kablam!     |                          ----^^^^^^^^^^^^
Oct 27 19:26:39.332 INFO kablam!     |                          |
Oct 27 19:26:39.332 INFO kablam!     |                          help: remove this `mut`
Oct 27 19:26:39.332 INFO kablam! 
Oct 27 19:26:39.435 INFO kablam! warning: unused import: `Evented`
Oct 27 19:26:39.435 INFO kablam!  --> src/protocol_engine.rs:1:11
Oct 27 19:26:39.435 INFO kablam!   |
Oct 27 19:26:39.435 INFO kablam! 1 | use mio::{Evented, EventSet, PollOpt, Token};
Oct 27 19:26:39.435 INFO kablam!   |           ^^^^^^^
Oct 27 19:26:39.435 INFO kablam!   |
Oct 27 19:26:39.435 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 19:26:39.435 INFO kablam! 
Oct 27 19:26:39.435 INFO kablam! warning: unused import: `Recycleable`
Oct 27 19:26:39.435 INFO kablam!  --> src/protocol_engine.rs:5:23
Oct 27 19:26:39.435 INFO kablam!   |
Oct 27 19:26:39.435 INFO kablam! 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Oct 27 19:26:39.435 INFO kablam!   |                       ^^^^^^^^^^^
Oct 27 19:26:39.435 INFO kablam! 
Oct 27 19:26:39.435 INFO kablam! warning: unused import: `Read`
Oct 27 19:26:39.435 INFO kablam!  --> src/protocol_engine.rs:8:21
Oct 27 19:26:39.435 INFO kablam!   |
Oct 27 19:26:39.435 INFO kablam! 8 | use std::io::{self, Read, Write};
Oct 27 19:26:39.435 INFO kablam!   |                     ^^^^
Oct 27 19:26:39.435 INFO kablam! 
Oct 27 19:26:39.435 INFO kablam! warning: unused import: `Write`
Oct 27 19:26:39.435 INFO kablam!  --> src/protocol_engine.rs:8:27
Oct 27 19:26:39.435 INFO kablam!   |
Oct 27 19:26:39.435 INFO kablam! 8 | use std::io::{self, Read, Write};
Oct 27 19:26:39.435 INFO kablam!   |                           ^^^^^
Oct 27 19:26:39.435 INFO kablam! 
Oct 27 19:26:39.499 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.499 INFO kablam!    --> src/evented_frame_stream.rs:215:9
Oct 27 19:26:39.499 INFO kablam!     |
Oct 27 19:26:39.499 INFO kablam! 215 |     let mut outbox = self.outbox(outbox_pool);
Oct 27 19:26:39.499 INFO kablam!     |         ----^^^^^^
Oct 27 19:26:39.499 INFO kablam!     |         |
Oct 27 19:26:39.500 INFO kablam!     |         help: remove this `mut`
Oct 27 19:26:39.500 INFO kablam!     |
Oct 27 19:26:39.500 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 19:26:39.500 INFO kablam! 
Oct 27 19:26:39.515 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.515 INFO kablam!    --> src/protocol_engine.rs:131:12
Oct 27 19:26:39.515 INFO kablam!     |
Oct 27 19:26:39.515 INFO kablam! 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Oct 27 19:26:39.516 INFO kablam!     |            ----^^^^^^^^^^^^^^
Oct 27 19:26:39.516 INFO kablam!     |            |
Oct 27 19:26:39.516 INFO kablam!     |            help: remove this `mut`
Oct 27 19:26:39.516 INFO kablam! 
Oct 27 19:26:39.516 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.517 INFO kablam!    --> src/protocol_engine.rs:133:22
Oct 27 19:26:39.517 INFO kablam!     |
Oct 27 19:26:39.517 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Oct 27 19:26:39.517 INFO kablam!     |                      ----^^^^^^^
Oct 27 19:26:39.517 INFO kablam!     |                      |
Oct 27 19:26:39.518 INFO kablam!     |                      help: remove this `mut`
Oct 27 19:26:39.518 INFO kablam! 
Oct 27 19:26:39.518 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.518 INFO kablam!    --> src/protocol_engine.rs:133:13
Oct 27 19:26:39.518 INFO kablam!     |
Oct 27 19:26:39.519 INFO kablam! 133 |        let (mut efs, mut session) = stream_session.components();
Oct 27 19:26:39.519 INFO kablam!     |             ----^^^
Oct 27 19:26:39.519 INFO kablam!     |             |
Oct 27 19:26:39.519 INFO kablam!     |             help: remove this `mut`
Oct 27 19:26:39.519 INFO kablam! 
Oct 27 19:26:39.575 INFO kablam! warning: variable does not need to be mutable
Oct 27 19:26:39.575 INFO kablam!    --> src/protocol_engine.rs:531:26
Oct 27 19:26:39.576 INFO kablam!     |
Oct 27 19:26:39.576 INFO kablam! 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Oct 27 19:26:39.576 INFO kablam!     |                          ----^^^^^^^^^^^^
Oct 27 19:26:39.576 INFO kablam!     |                          |
Oct 27 19:26:39.576 INFO kablam!     |                          help: remove this `mut`
Oct 27 19:26:39.577 INFO kablam! 
Oct 27 19:26:41.239 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
Oct 27 19:26:41.242 INFO kablam! su: No module specific data is present
Oct 27 19:26:41.659 INFO running `"docker" "rm" "-f" "def0f752572d1bf1e95a6e31adc5e11d2eed10781ec468097b25ad5bdc56115c"`
Oct 27 19:26:41.793 INFO blam! def0f752572d1bf1e95a6e31adc5e11d2eed10781ec468097b25ad5bdc56115c