Oct 13 02:23:45.177 INFO checking TechnoCrunch/Rust-Multithreading against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 02:23:45.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 13 02:23:45.550 INFO blam! 2118071c189d12367c575643ad8d9235eb793acc4f667cec4a7c5ddf83b5ba87
Oct 13 02:23:45.551 INFO running `"docker" "start" "-a" "2118071c189d12367c575643ad8d9235eb793acc4f667cec4a7c5ddf83b5ba87"`
Oct 13 02:23:46.604 INFO kablam! usermod: no changes
Oct 13 02:23:46.649 INFO kablam!     Checking multithreads v0.1.0 (/source)
Oct 13 02:23:47.200 INFO kablam! warning: unused import: `std::time`
Oct 13 02:23:47.201 INFO kablam!  --> src/main.rs:6:5
Oct 13 02:23:47.201 INFO kablam!   |
Oct 13 02:23:47.201 INFO kablam! 6 | use std::time;
Oct 13 02:23:47.201 INFO kablam!   |     ^^^^^^^^^
Oct 13 02:23:47.202 INFO kablam!   |
Oct 13 02:23:47.202 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 02:23:47.202 INFO kablam! 
Oct 13 02:23:47.202 INFO kablam! warning: unused imports: `Cell`, `RefCell`
Oct 13 02:23:47.203 INFO kablam!  --> src/main.rs:8:17
Oct 13 02:23:47.203 INFO kablam!   |
Oct 13 02:23:47.203 INFO kablam! 8 | use std::cell::{Cell, RefCell};
Oct 13 02:23:47.204 INFO kablam!   |                 ^^^^  ^^^^^^^
Oct 13 02:23:47.204 INFO kablam! 
Oct 13 02:23:47.263 INFO kablam! warning: unused variable: `item`
Oct 13 02:23:47.264 INFO kablam!   --> src/main.rs:38:17
Oct 13 02:23:47.265 INFO kablam!    |
Oct 13 02:23:47.265 INFO kablam! 38 |             let item = thread_items.lock().unwrap();
Oct 13 02:23:47.265 INFO kablam!    |                 ^^^^ help: consider using `_item` instead
Oct 13 02:23:47.268 INFO kablam!    |
Oct 13 02:23:47.269 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 02:23:47.269 INFO kablam! 
Oct 13 02:23:47.452 INFO kablam! warning: unused import: `std::time`
Oct 13 02:23:47.452 INFO kablam!  --> src/main.rs:6:5
Oct 13 02:23:47.452 INFO kablam!   |
Oct 13 02:23:47.452 INFO kablam! 6 | use std::time;
Oct 13 02:23:47.452 INFO kablam!   |     ^^^^^^^^^
Oct 13 02:23:47.452 INFO kablam!   |
Oct 13 02:23:47.452 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 02:23:47.452 INFO kablam! 
Oct 13 02:23:47.452 INFO kablam! warning: unused imports: `Cell`, `RefCell`
Oct 13 02:23:47.452 INFO kablam!  --> src/main.rs:8:17
Oct 13 02:23:47.452 INFO kablam!   |
Oct 13 02:23:47.452 INFO kablam! 8 | use std::cell::{Cell, RefCell};
Oct 13 02:23:47.452 INFO kablam!   |                 ^^^^  ^^^^^^^
Oct 13 02:23:47.452 INFO kablam! 
Oct 13 02:23:47.520 INFO kablam! warning: unused variable: `item`
Oct 13 02:23:47.520 INFO kablam!   --> src/main.rs:38:17
Oct 13 02:23:47.520 INFO kablam!    |
Oct 13 02:23:47.520 INFO kablam! 38 |             let item = thread_items.lock().unwrap();
Oct 13 02:23:47.520 INFO kablam!    |                 ^^^^ help: consider using `_item` instead
Oct 13 02:23:47.520 INFO kablam!    |
Oct 13 02:23:47.528 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 02:23:47.528 INFO kablam! 
Oct 13 02:23:47.560 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Oct 13 02:23:47.568 INFO kablam! su: No module specific data is present
Oct 13 02:23:47.949 INFO running `"docker" "rm" "-f" "2118071c189d12367c575643ad8d9235eb793acc4f667cec4a7c5ddf83b5ba87"`
Oct 13 02:23:48.285 INFO blam! 2118071c189d12367c575643ad8d9235eb793acc4f667cec4a7c5ddf83b5ba87