Nov 27 22:55:51.840 INFO checking petr-tik/dark_rusty_pool against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:55:51.842 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 22:55:52.136 INFO [stdout] e8c8c4b91702655e73d50ebcae1bd3d155feafb2c0ea7ec186702d45eb1d2cd7
Nov 27 22:55:52.139 INFO running `"docker" "start" "-a" "e8c8c4b91702655e73d50ebcae1bd3d155feafb2c0ea7ec186702d45eb1d2cd7"`
Nov 27 22:55:52.659 INFO [stderr] usermod: no changes
Nov 27 22:55:52.692 INFO [stderr]     Checking order_book v0.1.0 (/source)
Nov 27 22:55:52.872 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Nov 27 22:55:52.872 INFO [stderr]  --> src/main.rs:5:5
Nov 27 22:55:52.872 INFO [stderr]   |
Nov 27 22:55:52.872 INFO [stderr] 5 | use std::collections::BTreeMap;
Nov 27 22:55:52.872 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:55:52.872 INFO [stderr]   |
Nov 27 22:55:52.872 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 22:55:52.872 INFO [stderr] 
Nov 27 22:55:52.872 INFO [stderr] warning: unused import: `hash`
Nov 27 22:55:52.872 INFO [stderr]   --> src/main.rs:21:14
Nov 27 22:55:52.872 INFO [stderr]    |
Nov 27 22:55:52.872 INFO [stderr] 21 | use orders::{hash, LimitOrder, ReduceOrder};
Nov 27 22:55:52.872 INFO [stderr]    |              ^^^^
Nov 27 22:55:52.872 INFO [stderr] 
Nov 27 22:55:52.964 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Nov 27 22:55:52.964 INFO [stderr]  --> src/main.rs:5:5
Nov 27 22:55:52.964 INFO [stderr]   |
Nov 27 22:55:52.964 INFO [stderr] 5 | use std::collections::BTreeMap;
Nov 27 22:55:52.964 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:55:52.964 INFO [stderr]   |
Nov 27 22:55:52.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 22:55:52.964 INFO [stderr] 
Nov 27 22:55:53.060 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 27 22:55:53.060 INFO [stderr]  --> src/main.rs:1:12
Nov 27 22:55:53.060 INFO [stderr]   |
Nov 27 22:55:53.060 INFO [stderr] 1 | #![feature(extern_prelude)]
Nov 27 22:55:53.061 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 27 22:55:53.061 INFO [stderr]   |
Nov 27 22:55:53.061 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 22:55:53.061 INFO [stderr] 
Nov 27 22:55:53.504 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 27 22:55:53.504 INFO [stderr]  --> src/main.rs:1:12
Nov 27 22:55:53.504 INFO [stderr]   |
Nov 27 22:55:53.504 INFO [stderr] 1 | #![feature(extern_prelude)]
Nov 27 22:55:53.504 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 27 22:55:53.504 INFO [stderr]   |
Nov 27 22:55:53.504 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 22:55:53.504 INFO [stderr] 
Nov 27 22:55:53.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 27 22:55:53.543 INFO [stderr] su: No module specific data is present
Nov 27 22:55:53.901 INFO running `"docker" "inspect" "e8c8c4b91702655e73d50ebcae1bd3d155feafb2c0ea7ec186702d45eb1d2cd7"`
Nov 27 22:55:53.994 INFO running `"docker" "rm" "-f" "e8c8c4b91702655e73d50ebcae1bd3d155feafb2c0ea7ec186702d45eb1d2cd7"`
Nov 27 22:55:54.085 INFO [stdout] e8c8c4b91702655e73d50ebcae1bd3d155feafb2c0ea7ec186702d45eb1d2cd7