Nov 18 06:47:27.583 INFO testing mai-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 06:47:27.583 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 06:47:27.964 INFO [stdout] d2bcce18398e30b0ddb2b2c6be86db12fee48984fde28e1d4e00893fa4a21328
Nov 18 06:47:27.966 INFO running `"docker" "start" "-a" "d2bcce18398e30b0ddb2b2c6be86db12fee48984fde28e1d4e00893fa4a21328"`
Nov 18 06:47:28.578 INFO [stderr] usermod: no changes
Nov 18 06:47:28.638 INFO [stderr]    Compiling lifeguard v0.5.2
Nov 18 06:47:29.103 INFO [stderr]    Compiling mai v0.1.0 (/source)
Nov 18 06:47:30.663 INFO [stderr] warning: unused import: `Evented`
Nov 18 06:47:30.663 INFO [stderr]  --> src/protocol_engine.rs:1:11
Nov 18 06:47:30.663 INFO [stderr]   |
Nov 18 06:47:30.663 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 18 06:47:30.663 INFO [stderr]   |           ^^^^^^^
Nov 18 06:47:30.663 INFO [stderr]   |
Nov 18 06:47:30.663 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 06:47:30.663 INFO [stderr] 
Nov 18 06:47:30.663 INFO [stderr] warning: unused import: `Recycleable`
Nov 18 06:47:30.663 INFO [stderr]  --> src/protocol_engine.rs:5:23
Nov 18 06:47:30.663 INFO [stderr]   |
Nov 18 06:47:30.663 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 18 06:47:30.663 INFO [stderr]   |                       ^^^^^^^^^^^
Nov 18 06:47:30.663 INFO [stderr] 
Nov 18 06:47:30.663 INFO [stderr] warning: unused import: `Read`
Nov 18 06:47:30.663 INFO [stderr]  --> src/protocol_engine.rs:8:21
Nov 18 06:47:30.663 INFO [stderr]   |
Nov 18 06:47:30.663 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 18 06:47:30.663 INFO [stderr]   |                     ^^^^
Nov 18 06:47:30.664 INFO [stderr] 
Nov 18 06:47:30.664 INFO [stderr] warning: unused import: `Write`
Nov 18 06:47:30.664 INFO [stderr]  --> src/protocol_engine.rs:8:27
Nov 18 06:47:30.664 INFO [stderr]   |
Nov 18 06:47:30.664 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 18 06:47:30.664 INFO [stderr]   |                           ^^^^^
Nov 18 06:47:30.664 INFO [stderr] 
Nov 18 06:47:30.730 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:30.730 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Nov 18 06:47:30.731 INFO [stderr]     |
Nov 18 06:47:30.731 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 18 06:47:30.731 INFO [stderr]     |         ----^^^^^^
Nov 18 06:47:30.731 INFO [stderr]     |         |
Nov 18 06:47:30.731 INFO [stderr]     |         help: remove this `mut`
Nov 18 06:47:30.731 INFO [stderr]     |
Nov 18 06:47:30.731 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 06:47:30.731 INFO [stderr] 
Nov 18 06:47:30.745 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:30.745 INFO [stderr]    --> src/protocol_engine.rs:131:12
Nov 18 06:47:30.745 INFO [stderr]     |
Nov 18 06:47:30.745 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 18 06:47:30.745 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Nov 18 06:47:30.745 INFO [stderr]     |            |
Nov 18 06:47:30.745 INFO [stderr]     |            help: remove this `mut`
Nov 18 06:47:30.745 INFO [stderr] 
Nov 18 06:47:30.745 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:30.745 INFO [stderr]    --> src/protocol_engine.rs:133:22
Nov 18 06:47:30.745 INFO [stderr]     |
Nov 18 06:47:30.745 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 18 06:47:30.745 INFO [stderr]     |                      ----^^^^^^^
Nov 18 06:47:30.745 INFO [stderr]     |                      |
Nov 18 06:47:30.745 INFO [stderr]     |                      help: remove this `mut`
Nov 18 06:47:30.745 INFO [stderr] 
Nov 18 06:47:30.745 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:30.745 INFO [stderr]    --> src/protocol_engine.rs:133:13
Nov 18 06:47:30.745 INFO [stderr]     |
Nov 18 06:47:30.745 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 18 06:47:30.745 INFO [stderr]     |             ----^^^
Nov 18 06:47:30.745 INFO [stderr]     |             |
Nov 18 06:47:30.745 INFO [stderr]     |             help: remove this `mut`
Nov 18 06:47:30.745 INFO [stderr] 
Nov 18 06:47:30.789 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:30.789 INFO [stderr]    --> src/protocol_engine.rs:531:26
Nov 18 06:47:30.789 INFO [stderr]     |
Nov 18 06:47:30.789 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 18 06:47:30.789 INFO [stderr]     |                          ----^^^^^^^^^^^^
Nov 18 06:47:30.789 INFO [stderr]     |                          |
Nov 18 06:47:30.789 INFO [stderr]     |                          help: remove this `mut`
Nov 18 06:47:30.789 INFO [stderr] 
Nov 18 06:47:31.134 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
Nov 18 06:47:31.135 INFO [stderr] su: No module specific data is present
Nov 18 06:47:31.716 INFO running `"docker" "inspect" "d2bcce18398e30b0ddb2b2c6be86db12fee48984fde28e1d4e00893fa4a21328"`
Nov 18 06:47:31.790 INFO running `"docker" "rm" "-f" "d2bcce18398e30b0ddb2b2c6be86db12fee48984fde28e1d4e00893fa4a21328"`
Nov 18 06:47:31.932 INFO [stdout] d2bcce18398e30b0ddb2b2c6be86db12fee48984fde28e1d4e00893fa4a21328
Nov 18 06:47:31.936 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 06:47:32.282 INFO [stdout] 204c670ef25ad62d00511642f20e8ce8c72f7666285e5e5c8108460769bd495f
Nov 18 06:47:32.284 INFO running `"docker" "start" "-a" "204c670ef25ad62d00511642f20e8ce8c72f7666285e5e5c8108460769bd495f"`
Nov 18 06:47:32.972 INFO [stderr] usermod: no changes
Nov 18 06:47:33.031 INFO [stderr]    Compiling mai v0.1.0 (/source)
Nov 18 06:47:34.550 INFO [stderr] warning: unused import: `Evented`
Nov 18 06:47:34.550 INFO [stderr]  --> src/protocol_engine.rs:1:11
Nov 18 06:47:34.550 INFO [stderr]   |
Nov 18 06:47:34.550 INFO [stderr] 1 | use mio::{Evented, EventSet, PollOpt, Token};
Nov 18 06:47:34.550 INFO [stderr]   |           ^^^^^^^
Nov 18 06:47:34.550 INFO [stderr]   |
Nov 18 06:47:34.550 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 06:47:34.550 INFO [stderr] 
Nov 18 06:47:34.550 INFO [stderr] warning: unused import: `Recycleable`
Nov 18 06:47:34.550 INFO [stderr]  --> src/protocol_engine.rs:5:23
Nov 18 06:47:34.550 INFO [stderr]   |
Nov 18 06:47:34.550 INFO [stderr] 5 | use lifeguard::{self, Recycleable, Pool, StartingSize, MaxSize, Supplier};
Nov 18 06:47:34.550 INFO [stderr]   |                       ^^^^^^^^^^^
Nov 18 06:47:34.550 INFO [stderr] 
Nov 18 06:47:34.550 INFO [stderr] warning: unused import: `Read`
Nov 18 06:47:34.550 INFO [stderr]  --> src/protocol_engine.rs:8:21
Nov 18 06:47:34.550 INFO [stderr]   |
Nov 18 06:47:34.550 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 18 06:47:34.550 INFO [stderr]   |                     ^^^^
Nov 18 06:47:34.550 INFO [stderr] 
Nov 18 06:47:34.551 INFO [stderr] warning: unused import: `Write`
Nov 18 06:47:34.551 INFO [stderr]  --> src/protocol_engine.rs:8:27
Nov 18 06:47:34.551 INFO [stderr]   |
Nov 18 06:47:34.551 INFO [stderr] 8 | use std::io::{self, Read, Write};
Nov 18 06:47:34.551 INFO [stderr]   |                           ^^^^^
Nov 18 06:47:34.551 INFO [stderr] 
Nov 18 06:47:34.627 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:34.627 INFO [stderr]    --> src/evented_frame_stream.rs:215:9
Nov 18 06:47:34.627 INFO [stderr]     |
Nov 18 06:47:34.627 INFO [stderr] 215 |     let mut outbox = self.outbox(outbox_pool);
Nov 18 06:47:34.627 INFO [stderr]     |         ----^^^^^^
Nov 18 06:47:34.627 INFO [stderr]     |         |
Nov 18 06:47:34.627 INFO [stderr]     |         help: remove this `mut`
Nov 18 06:47:34.627 INFO [stderr]     |
Nov 18 06:47:34.627 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 06:47:34.627 INFO [stderr] 
Nov 18 06:47:34.648 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:34.648 INFO [stderr]    --> src/protocol_engine.rs:131:12
Nov 18 06:47:34.648 INFO [stderr]     |
Nov 18 06:47:34.648 INFO [stderr] 131 |        let mut stream_session: &mut StreamSession<P> = stream_session.unwrap();
Nov 18 06:47:34.648 INFO [stderr]     |            ----^^^^^^^^^^^^^^
Nov 18 06:47:34.648 INFO [stderr]     |            |
Nov 18 06:47:34.648 INFO [stderr]     |            help: remove this `mut`
Nov 18 06:47:34.648 INFO [stderr] 
Nov 18 06:47:34.648 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:34.648 INFO [stderr]    --> src/protocol_engine.rs:133:22
Nov 18 06:47:34.648 INFO [stderr]     |
Nov 18 06:47:34.648 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 18 06:47:34.648 INFO [stderr]     |                      ----^^^^^^^
Nov 18 06:47:34.648 INFO [stderr]     |                      |
Nov 18 06:47:34.648 INFO [stderr]     |                      help: remove this `mut`
Nov 18 06:47:34.648 INFO [stderr] 
Nov 18 06:47:34.648 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:34.648 INFO [stderr]    --> src/protocol_engine.rs:133:13
Nov 18 06:47:34.648 INFO [stderr]     |
Nov 18 06:47:34.648 INFO [stderr] 133 |        let (mut efs, mut session) = stream_session.components();
Nov 18 06:47:34.648 INFO [stderr]     |             ----^^^
Nov 18 06:47:34.648 INFO [stderr]     |             |
Nov 18 06:47:34.648 INFO [stderr]     |             help: remove this `mut`
Nov 18 06:47:34.648 INFO [stderr] 
Nov 18 06:47:34.687 INFO [stderr] warning: variable does not need to be mutable
Nov 18 06:47:34.687 INFO [stderr]    --> src/protocol_engine.rs:531:26
Nov 18 06:47:34.687 INFO [stderr]     |
Nov 18 06:47:34.687 INFO [stderr] 531 |     let (codec, _stream, mut write_buffer, outbox) = efs.writing_toolset(buffer_pool, outbox_pool);
Nov 18 06:47:34.687 INFO [stderr]     |                          ----^^^^^^^^^^^^
Nov 18 06:47:34.687 INFO [stderr]     |                          |
Nov 18 06:47:34.687 INFO [stderr]     |                          help: remove this `mut`
Nov 18 06:47:34.687 INFO [stderr] 
Nov 18 06:47:34.990 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Nov 18 06:47:34.995 INFO [stderr] su: No module specific data is present
Nov 18 06:47:35.294 INFO running `"docker" "inspect" "204c670ef25ad62d00511642f20e8ce8c72f7666285e5e5c8108460769bd495f"`
Nov 18 06:47:35.361 INFO running `"docker" "rm" "-f" "204c670ef25ad62d00511642f20e8ce8c72f7666285e5e5c8108460769bd495f"`
Nov 18 06:47:35.435 INFO [stdout] 204c670ef25ad62d00511642f20e8ce8c72f7666285e5e5c8108460769bd495f
Nov 18 06:47:35.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 06:47:35.664 INFO [stdout] b25c13a82bf23c90ec5493e037a47cb4cc1a99c46c6947e7a4c1e594ec3ad197
Nov 18 06:47:35.665 INFO running `"docker" "start" "-a" "b25c13a82bf23c90ec5493e037a47cb4cc1a99c46c6947e7a4c1e594ec3ad197"`
Nov 18 06:47:36.198 INFO [stderr] usermod: no changes
Nov 18 06:47:36.237 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 18 06:47:36.249 INFO [stderr]      Running /target/debug/deps/mai-98c560e3c23611f0
Nov 18 06:47:36.292 INFO [stdout] 
Nov 18 06:47:36.292 INFO [stdout] running 0 tests
Nov 18 06:47:36.292 INFO [stdout] 
Nov 18 06:47:36.292 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 06:47:36.292 INFO [stdout] 
Nov 18 06:47:36.293 INFO [stdout] 
Nov 18 06:47:36.293 INFO [stdout] running 3 tests
Nov 18 06:47:36.293 INFO [stdout] test tests::test_restack_everything_consumed ... ok
Nov 18 06:47:36.293 INFO [stdout] test tests::test_restack_nothing_consumed ... ok
Nov 18 06:47:36.293 INFO [stdout] test tests::test_restack ... ok
Nov 18 06:47:36.293 INFO [stdout] 
Nov 18 06:47:36.293 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 06:47:36.293 INFO [stdout] 
Nov 18 06:47:36.293 INFO [stderr]      Running /target/debug/deps/lib-c237f23eeeddfbbb
Nov 18 06:47:36.293 INFO [stderr]    Doc-tests mai
Nov 18 06:47:37.793 INFO [stdout] 
Nov 18 06:47:37.793 INFO [stdout] running 0 tests
Nov 18 06:47:37.793 INFO [stdout] 
Nov 18 06:47:37.793 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 06:47:37.793 INFO [stdout] 
Nov 18 06:47:37.801 INFO [stderr] su: No module specific data is present
Nov 18 06:47:38.282 INFO running `"docker" "inspect" "b25c13a82bf23c90ec5493e037a47cb4cc1a99c46c6947e7a4c1e594ec3ad197"`
Nov 18 06:47:38.628 INFO running `"docker" "rm" "-f" "b25c13a82bf23c90ec5493e037a47cb4cc1a99c46c6947e7a4c1e594ec3ad197"`
Nov 18 06:47:38.860 INFO [stdout] b25c13a82bf23c90ec5493e037a47cb4cc1a99c46c6947e7a4c1e594ec3ad197