Oct 12 15:50:25.384 INFO checking petr-tik/dark_rusty_pool against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:50:25.386 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 15:50:26.176 INFO blam! 9beca8d8785c20a5e6516d904c90e4728dbf3129dfa0360fc54ca404e6dc9abe
Oct 12 15:50:26.185 INFO running `"docker" "start" "-a" "9beca8d8785c20a5e6516d904c90e4728dbf3129dfa0360fc54ca404e6dc9abe"`
Oct 12 15:50:27.228 INFO kablam! usermod: no changes
Oct 12 15:50:27.263 INFO kablam!     Checking order_book v0.1.0 (/source)
Oct 12 15:50:27.540 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Oct 12 15:50:27.540 INFO kablam!  --> src/main.rs:5:5
Oct 12 15:50:27.540 INFO kablam!   |
Oct 12 15:50:27.540 INFO kablam! 5 | use std::collections::BTreeMap;
Oct 12 15:50:27.540 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:50:27.540 INFO kablam!   |
Oct 12 15:50:27.540 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 15:50:27.540 INFO kablam! 
Oct 12 15:50:27.540 INFO kablam! warning: unused import: `hash`
Oct 12 15:50:27.540 INFO kablam!   --> src/main.rs:21:14
Oct 12 15:50:27.540 INFO kablam!    |
Oct 12 15:50:27.540 INFO kablam! 21 | use orders::{hash, LimitOrder, ReduceOrder};
Oct 12 15:50:27.541 INFO kablam!    |              ^^^^
Oct 12 15:50:27.541 INFO kablam! 
Oct 12 15:50:27.697 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Oct 12 15:50:27.697 INFO kablam!  --> src/main.rs:5:5
Oct 12 15:50:27.697 INFO kablam!   |
Oct 12 15:50:27.697 INFO kablam! 5 | use std::collections::BTreeMap;
Oct 12 15:50:27.697 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:50:27.697 INFO kablam!   |
Oct 12 15:50:27.697 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 15:50:27.697 INFO kablam! 
Oct 12 15:50:27.785 INFO kablam! warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Oct 12 15:50:27.786 INFO kablam!  --> src/main.rs:1:12
Oct 12 15:50:27.786 INFO kablam!   |
Oct 12 15:50:27.786 INFO kablam! 1 | #![feature(extern_prelude)]
Oct 12 15:50:27.786 INFO kablam!   |            ^^^^^^^^^^^^^^
Oct 12 15:50:27.786 INFO kablam!   |
Oct 12 15:50:27.786 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 15:50:27.786 INFO kablam! 
Oct 12 15:50:28.254 INFO kablam! warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Oct 12 15:50:28.255 INFO kablam!  --> src/main.rs:1:12
Oct 12 15:50:28.255 INFO kablam!   |
Oct 12 15:50:28.255 INFO kablam! 1 | #![feature(extern_prelude)]
Oct 12 15:50:28.255 INFO kablam!   |            ^^^^^^^^^^^^^^
Oct 12 15:50:28.256 INFO kablam!   |
Oct 12 15:50:28.256 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 15:50:28.257 INFO kablam! 
Oct 12 15:50:28.313 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Oct 12 15:50:28.315 INFO kablam! su: No module specific data is present
Oct 12 15:50:28.795 INFO running `"docker" "rm" "-f" "9beca8d8785c20a5e6516d904c90e4728dbf3129dfa0360fc54ca404e6dc9abe"`
Oct 12 15:50:28.890 INFO blam! 9beca8d8785c20a5e6516d904c90e4728dbf3129dfa0360fc54ca404e6dc9abe