Dec 07 07:53:03.845 INFO testing mai-0.1.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 07:53:03.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 07 07:53:04.244 INFO [stdout] b9a0e3c9fb46800a300532b10cf6eca0b81c054d4873b0fbdd07be5cd6658aef
Dec 07 07:53:04.246 INFO running `"docker" "start" "-a" "b9a0e3c9fb46800a300532b10cf6eca0b81c054d4873b0fbdd07be5cd6658aef"`
Dec 07 07:53:06.316 INFO [stderr] usermod: no changes
Dec 07 07:53:06.452 INFO [stderr]    Compiling lifeguard v0.5.2
Dec 07 07:53:07.083 INFO [stderr]    Compiling mai v0.1.0 (/source)
Dec 07 07:53:08.964 INFO [stderr] warning: unused import: `Evented`
Dec 07 07:53:08.964 INFO [stderr]  --> src/protocol_engine.rs:1:11
Dec 07 07:53:08.964 INFO [stderr]   |
Dec 07 07:53:08.964 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Dec 07 07:53:08.964 INFO [stderr]   |           ^^^^^^^
Dec 07 07:53:08.964 INFO [stderr]   |
Dec 07 07:53:08.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 07:53:08.964 INFO [stderr] 
Dec 07 07:53:08.964 INFO [stderr] warning: unused import: `Recycleable`
Dec 07 07:53:08.964 INFO [stderr]  --> src/protocol_engine.rs:5:23
Dec 07 07:53:08.964 INFO [stderr]   |
Dec 07 07:53:08.964 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Dec 07 07:53:08.964 INFO [stderr]   |                       ^^^^^^^^^^^
Dec 07 07:53:08.964 INFO [stderr] 
Dec 07 07:53:08.964 INFO [stderr] warning: unused import: `Read`
Dec 07 07:53:08.964 INFO [stderr]  --> src/protocol_engine.rs:8:21
Dec 07 07:53:08.964 INFO [stderr]   |
Dec 07 07:53:08.964 INFO [stderr] 8 | use std::io::{self, Read, Write};
Dec 07 07:53:08.964 INFO [stderr]   |                     ^^^^
Dec 07 07:53:08.964 INFO [stderr] 
Dec 07 07:53:08.964 INFO [stderr] warning: unused import: `Write`
Dec 07 07:53:08.964 INFO [stderr]  --> src/protocol_engine.rs:8:27
Dec 07 07:53:08.964 INFO [stderr]   |
Dec 07 07:53:08.964 INFO [stderr] 8 | use std::io::{self, Read, Write};
Dec 07 07:53:08.964 INFO [stderr]   |                           ^^^^^
Dec 07 07:53:08.965 INFO [stderr] 
Dec 07 07:53:09.051 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:09.051 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Dec 07 07:53:09.051 INFO [stderr]     |
Dec 07 07:53:09.051 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Dec 07 07:53:09.051 INFO [stderr]     |         ----^^^^^^
Dec 07 07:53:09.051 INFO [stderr]     |         |
Dec 07 07:53:09.051 INFO [stderr]     |         help: remove this `mut`
Dec 07 07:53:09.051 INFO [stderr]     |
Dec 07 07:53:09.051 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 07:53:09.051 INFO [stderr] 
Dec 07 07:53:09.066 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:09.066 INFO [stderr]    --> src/protocol_engine.rs:131:12
Dec 07 07:53:09.066 INFO [stderr]     |
Dec 07 07:53:09.066 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Dec 07 07:53:09.066 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Dec 07 07:53:09.066 INFO [stderr]     |            |
Dec 07 07:53:09.066 INFO [stderr]     |            help: remove this `mut`
Dec 07 07:53:09.076 INFO [stderr] 
Dec 07 07:53:09.076 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:09.076 INFO [stderr]    --> src/protocol_engine.rs:133:22
Dec 07 07:53:09.077 INFO [stderr]     |
Dec 07 07:53:09.077 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Dec 07 07:53:09.077 INFO [stderr]     |                      ----^^^^^^^
Dec 07 07:53:09.077 INFO [stderr]     |                      |
Dec 07 07:53:09.077 INFO [stderr]     |                      help: remove this `mut`
Dec 07 07:53:09.077 INFO [stderr] 
Dec 07 07:53:09.077 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:09.077 INFO [stderr]    --> src/protocol_engine.rs:133:13
Dec 07 07:53:09.077 INFO [stderr]     |
Dec 07 07:53:09.077 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Dec 07 07:53:09.077 INFO [stderr]     |             ----^^^
Dec 07 07:53:09.077 INFO [stderr]     |             |
Dec 07 07:53:09.077 INFO [stderr]     |             help: remove this `mut`
Dec 07 07:53:09.077 INFO [stderr] 
Dec 07 07:53:09.131 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:09.131 INFO [stderr]    --> src/protocol_engine.rs:531:26
Dec 07 07:53:09.131 INFO [stderr]     |
Dec 07 07:53:09.131 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Dec 07 07:53:09.131 INFO [stderr]     |                          ----^^^^^^^^^^^^
Dec 07 07:53:09.131 INFO [stderr]     |                          |
Dec 07 07:53:09.131 INFO [stderr]     |                          help: remove this `mut`
Dec 07 07:53:09.131 INFO [stderr] 
Dec 07 07:53:09.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
Dec 07 07:53:09.621 INFO [stderr] su: No module specific data is present
Dec 07 07:53:10.632 INFO running `"docker" "inspect" "b9a0e3c9fb46800a300532b10cf6eca0b81c054d4873b0fbdd07be5cd6658aef"`
Dec 07 07:53:10.915 INFO running `"docker" "rm" "-f" "b9a0e3c9fb46800a300532b10cf6eca0b81c054d4873b0fbdd07be5cd6658aef"`
Dec 07 07:53:11.208 INFO [stdout] b9a0e3c9fb46800a300532b10cf6eca0b81c054d4873b0fbdd07be5cd6658aef
Dec 07 07:53:11.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 07 07:53:11.784 INFO [stdout] cfe0c981f64af20b48aa791e846cf4ea61e0e73dd7e07a310108fd4bf9efc7af
Dec 07 07:53:11.786 INFO running `"docker" "start" "-a" "cfe0c981f64af20b48aa791e846cf4ea61e0e73dd7e07a310108fd4bf9efc7af"`
Dec 07 07:53:14.120 INFO [stderr] usermod: no changes
Dec 07 07:53:14.272 INFO [stderr]    Compiling mai v0.1.0 (/source)
Dec 07 07:53:17.008 INFO [stderr] warning: unused import: `Evented`
Dec 07 07:53:17.009 INFO [stderr]  --> src/protocol_engine.rs:1:11
Dec 07 07:53:17.009 INFO [stderr]   |
Dec 07 07:53:17.009 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Dec 07 07:53:17.015 INFO [stderr]   |           ^^^^^^^
Dec 07 07:53:17.015 INFO [stderr]   |
Dec 07 07:53:17.015 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 07:53:17.015 INFO [stderr] 
Dec 07 07:53:17.015 INFO [stderr] warning: unused import: `Recycleable`
Dec 07 07:53:17.015 INFO [stderr]  --> src/protocol_engine.rs:5:23
Dec 07 07:53:17.015 INFO [stderr]   |
Dec 07 07:53:17.015 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Dec 07 07:53:17.015 INFO [stderr]   |                       ^^^^^^^^^^^
Dec 07 07:53:17.015 INFO [stderr] 
Dec 07 07:53:17.015 INFO [stderr] warning: unused import: `Read`
Dec 07 07:53:17.015 INFO [stderr]  --> src/protocol_engine.rs:8:21
Dec 07 07:53:17.015 INFO [stderr]   |
Dec 07 07:53:17.015 INFO [stderr] 8 | use std::io::{self, Read, Write};
Dec 07 07:53:17.015 INFO [stderr]   |                     ^^^^
Dec 07 07:53:17.015 INFO [stderr] 
Dec 07 07:53:17.015 INFO [stderr] warning: unused import: `Write`
Dec 07 07:53:17.015 INFO [stderr]  --> src/protocol_engine.rs:8:27
Dec 07 07:53:17.015 INFO [stderr]   |
Dec 07 07:53:17.015 INFO [stderr] 8 | use std::io::{self, Read, Write};
Dec 07 07:53:17.015 INFO [stderr]   |                           ^^^^^
Dec 07 07:53:17.015 INFO [stderr] 
Dec 07 07:53:17.088 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:17.088 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Dec 07 07:53:17.088 INFO [stderr]     |
Dec 07 07:53:17.088 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Dec 07 07:53:17.088 INFO [stderr]     |         ----^^^^^^
Dec 07 07:53:17.088 INFO [stderr]     |         |
Dec 07 07:53:17.088 INFO [stderr]     |         help: remove this `mut`
Dec 07 07:53:17.088 INFO [stderr]     |
Dec 07 07:53:17.088 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 07:53:17.088 INFO [stderr] 
Dec 07 07:53:17.108 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:17.108 INFO [stderr]    --> src/protocol_engine.rs:131:12
Dec 07 07:53:17.108 INFO [stderr]     |
Dec 07 07:53:17.108 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Dec 07 07:53:17.108 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Dec 07 07:53:17.108 INFO [stderr]     |            |
Dec 07 07:53:17.108 INFO [stderr]     |            help: remove this `mut`
Dec 07 07:53:17.108 INFO [stderr] 
Dec 07 07:53:17.108 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:17.108 INFO [stderr]    --> src/protocol_engine.rs:133:22
Dec 07 07:53:17.108 INFO [stderr]     |
Dec 07 07:53:17.108 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Dec 07 07:53:17.108 INFO [stderr]     |                      ----^^^^^^^
Dec 07 07:53:17.108 INFO [stderr]     |                      |
Dec 07 07:53:17.108 INFO [stderr]     |                      help: remove this `mut`
Dec 07 07:53:17.108 INFO [stderr] 
Dec 07 07:53:17.108 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:17.108 INFO [stderr]    --> src/protocol_engine.rs:133:13
Dec 07 07:53:17.108 INFO [stderr]     |
Dec 07 07:53:17.108 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Dec 07 07:53:17.108 INFO [stderr]     |             ----^^^
Dec 07 07:53:17.109 INFO [stderr]     |             |
Dec 07 07:53:17.109 INFO [stderr]     |             help: remove this `mut`
Dec 07 07:53:17.109 INFO [stderr] 
Dec 07 07:53:17.160 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:53:17.160 INFO [stderr]    --> src/protocol_engine.rs:531:26
Dec 07 07:53:17.160 INFO [stderr]     |
Dec 07 07:53:17.160 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Dec 07 07:53:17.160 INFO [stderr]     |                          ----^^^^^^^^^^^^
Dec 07 07:53:17.160 INFO [stderr]     |                          |
Dec 07 07:53:17.160 INFO [stderr]     |                          help: remove this `mut`
Dec 07 07:53:17.160 INFO [stderr] 
Dec 07 07:53:18.290 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
Dec 07 07:53:18.296 INFO [stderr] su: No module specific data is present
Dec 07 07:53:19.162 INFO running `"docker" "inspect" "cfe0c981f64af20b48aa791e846cf4ea61e0e73dd7e07a310108fd4bf9efc7af"`
Dec 07 07:53:19.460 INFO running `"docker" "rm" "-f" "cfe0c981f64af20b48aa791e846cf4ea61e0e73dd7e07a310108fd4bf9efc7af"`
Dec 07 07:53:19.768 INFO [stdout] cfe0c981f64af20b48aa791e846cf4ea61e0e73dd7e07a310108fd4bf9efc7af
Dec 07 07:53:19.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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"`
Dec 07 07:53:20.193 INFO [stdout] ecb98f20f5ea09669633a9f78b8dc2ec569a7522374952ab93a7ee51f3df9d37
Dec 07 07:53:20.202 INFO running `"docker" "start" "-a" "ecb98f20f5ea09669633a9f78b8dc2ec569a7522374952ab93a7ee51f3df9d37"`
Dec 07 07:53:21.492 INFO [stderr] usermod: no changes
Dec 07 07:53:21.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 07 07:53:21.568 INFO [stderr]      Running /target/debug/deps/mai-b1ba8a98880b3699
Dec 07 07:53:21.568 INFO [stdout] 
Dec 07 07:53:21.568 INFO [stderr]      Running /target/debug/deps/lib-7f1fcd5bc5a1c9bf
Dec 07 07:53:21.568 INFO [stdout] running 0 tests
Dec 07 07:53:21.568 INFO [stdout] 
Dec 07 07:53:21.568 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 07:53:21.568 INFO [stdout] 
Dec 07 07:53:21.576 INFO [stdout] 
Dec 07 07:53:21.576 INFO [stdout] running 3 tests
Dec 07 07:53:21.576 INFO [stdout] test tests::test_restack ... ok
Dec 07 07:53:21.584 INFO [stdout] test tests::test_restack_nothing_consumed ... ok
Dec 07 07:53:21.584 INFO [stderr]    Doc-tests mai
Dec 07 07:53:21.584 INFO [stdout] test tests::test_restack_everything_consumed ... ok
Dec 07 07:53:21.584 INFO [stdout] 
Dec 07 07:53:21.584 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 07:53:21.584 INFO [stdout] 
Dec 07 07:53:23.940 INFO [stdout] 
Dec 07 07:53:23.940 INFO [stdout] running 0 tests
Dec 07 07:53:23.940 INFO [stdout] 
Dec 07 07:53:23.940 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 07:53:23.940 INFO [stdout] 
Dec 07 07:53:23.949 INFO [stderr] su: No module specific data is present
Dec 07 07:53:24.532 INFO running `"docker" "inspect" "ecb98f20f5ea09669633a9f78b8dc2ec569a7522374952ab93a7ee51f3df9d37"`
Dec 07 07:53:24.848 INFO running `"docker" "rm" "-f" "ecb98f20f5ea09669633a9f78b8dc2ec569a7522374952ab93a7ee51f3df9d37"`
Dec 07 07:53:25.163 INFO [stdout] ecb98f20f5ea09669633a9f78b8dc2ec569a7522374952ab93a7ee51f3df9d37