Nov 29 20:39:04.874 INFO checking petr-tik/dark_rusty_pool against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 20:39:04.874 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 20:39:05.097 INFO [stdout] e7ce237ff7e8d1b8df1eeab44b69cfcfe71bb45d0376af48c94d8df2a820b4f0
Nov 29 20:39:05.102 INFO running `"docker" "start" "-a" "e7ce237ff7e8d1b8df1eeab44b69cfcfe71bb45d0376af48c94d8df2a820b4f0"`
Nov 29 20:39:05.876 INFO [stderr] usermod: no changes
Nov 29 20:39:05.914 INFO [stderr]     Checking order_book v0.1.0 (/source)
Nov 29 20:39:06.204 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Nov 29 20:39:06.204 INFO [stderr]  --> src/main.rs:5:5
Nov 29 20:39:06.204 INFO [stderr]   |
Nov 29 20:39:06.204 INFO [stderr] 5 | use std::collections::BTreeMap;
Nov 29 20:39:06.204 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:39:06.204 INFO [stderr]   |
Nov 29 20:39:06.204 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 20:39:06.204 INFO [stderr] 
Nov 29 20:39:06.204 INFO [stderr] warning: unused import: `hash`
Nov 29 20:39:06.204 INFO [stderr]   --> src/main.rs:21:14
Nov 29 20:39:06.204 INFO [stderr]    |
Nov 29 20:39:06.204 INFO [stderr] 21 | use orders::{hash, LimitOrder, ReduceOrder};
Nov 29 20:39:06.204 INFO [stderr]    |              ^^^^
Nov 29 20:39:06.204 INFO [stderr] 
Nov 29 20:39:06.236 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Nov 29 20:39:06.236 INFO [stderr]  --> src/main.rs:5:5
Nov 29 20:39:06.236 INFO [stderr]   |
Nov 29 20:39:06.236 INFO [stderr] 5 | use std::collections::BTreeMap;
Nov 29 20:39:06.236 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:39:06.236 INFO [stderr]   |
Nov 29 20:39:06.236 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 20:39:06.236 INFO [stderr] 
Nov 29 20:39:06.405 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 29 20:39:06.405 INFO [stderr]  --> src/main.rs:1:12
Nov 29 20:39:06.405 INFO [stderr]   |
Nov 29 20:39:06.405 INFO [stderr] 1 | #![feature(extern_prelude)]
Nov 29 20:39:06.405 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 29 20:39:06.405 INFO [stderr]   |
Nov 29 20:39:06.405 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 20:39:06.405 INFO [stderr] 
Nov 29 20:39:06.724 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 29 20:39:06.724 INFO [stderr]  --> src/main.rs:1:12
Nov 29 20:39:06.724 INFO [stderr]   |
Nov 29 20:39:06.724 INFO [stderr] 1 | #![feature(extern_prelude)]
Nov 29 20:39:06.724 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 29 20:39:06.724 INFO [stderr]   |
Nov 29 20:39:06.724 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 20:39:06.724 INFO [stderr] 
Nov 29 20:39:06.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 29 20:39:06.760 INFO [stderr] su: No module specific data is present
Nov 29 20:39:07.163 INFO running `"docker" "inspect" "e7ce237ff7e8d1b8df1eeab44b69cfcfe71bb45d0376af48c94d8df2a820b4f0"`
Nov 29 20:39:07.304 INFO running `"docker" "rm" "-f" "e7ce237ff7e8d1b8df1eeab44b69cfcfe71bb45d0376af48c94d8df2a820b4f0"`
Nov 29 20:39:07.456 INFO [stdout] e7ce237ff7e8d1b8df1eeab44b69cfcfe71bb45d0376af48c94d8df2a820b4f0