Oct 12 15:50:25.874 INFO checking petr-tik/dark_rusty_pool against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 15:50:25.874 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 15:50:26.413 INFO blam! 97f2d536f199c5b0e9317185e817ae64751453448f1f52e6bf3281d6ab2c9c6f
Oct 12 15:50:26.417 INFO running `"docker" "start" "-a" "97f2d536f199c5b0e9317185e817ae64751453448f1f52e6bf3281d6ab2c9c6f"`
Oct 12 15:50:27.412 INFO kablam! usermod: no changes
Oct 12 15:50:27.449 INFO kablam!     Checking order_book v0.1.0 (/source)
Oct 12 15:50:27.692 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Oct 12 15:50:27.692 INFO kablam!  --> src/main.rs:5:5
Oct 12 15:50:27.692 INFO kablam!   |
Oct 12 15:50:27.692 INFO kablam! 5 | use std::collections::BTreeMap;
Oct 12 15:50:27.692 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:50:27.692 INFO kablam!   |
Oct 12 15:50:27.692 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 15:50:27.692 INFO kablam! 
Oct 12 15:50:27.692 INFO kablam! warning: unused import: `hash`
Oct 12 15:50:27.692 INFO kablam!   --> src/main.rs:21:14
Oct 12 15:50:27.692 INFO kablam!    |
Oct 12 15:50:27.692 INFO kablam! 21 | use orders::{hash, LimitOrder, ReduceOrder};
Oct 12 15:50:27.692 INFO kablam!    |              ^^^^
Oct 12 15:50:27.692 INFO kablam! 
Oct 12 15:50:27.805 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Oct 12 15:50:27.805 INFO kablam!  --> src/main.rs:5:5
Oct 12 15:50:27.805 INFO kablam!   |
Oct 12 15:50:27.805 INFO kablam! 5 | use std::collections::BTreeMap;
Oct 12 15:50:27.805 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:50:27.805 INFO kablam!   |
Oct 12 15:50:27.805 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 15:50:27.805 INFO kablam! 
Oct 12 15:50:27.897 INFO kablam! warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Oct 12 15:50:27.897 INFO kablam!  --> src/main.rs:1:12
Oct 12 15:50:27.897 INFO kablam!   |
Oct 12 15:50:27.897 INFO kablam! 1 | #![feature(extern_prelude)]
Oct 12 15:50:27.897 INFO kablam!   |            ^^^^^^^^^^^^^^
Oct 12 15:50:27.897 INFO kablam!   |
Oct 12 15:50:27.897 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 15:50:27.897 INFO kablam! 
Oct 12 15:50:28.341 INFO kablam! warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Oct 12 15:50:28.341 INFO kablam!  --> src/main.rs:1:12
Oct 12 15:50:28.341 INFO kablam!   |
Oct 12 15:50:28.341 INFO kablam! 1 | #![feature(extern_prelude)]
Oct 12 15:50:28.341 INFO kablam!   |            ^^^^^^^^^^^^^^
Oct 12 15:50:28.341 INFO kablam!   |
Oct 12 15:50:28.341 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 15:50:28.341 INFO kablam! 
Oct 12 15:50:28.383 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Oct 12 15:50:28.386 INFO kablam! su: No module specific data is present
Oct 12 15:50:28.793 INFO running `"docker" "rm" "-f" "97f2d536f199c5b0e9317185e817ae64751453448f1f52e6bf3281d6ab2c9c6f"`
Oct 12 15:50:28.876 INFO blam! 97f2d536f199c5b0e9317185e817ae64751453448f1f52e6bf3281d6ab2c9c6f