Dec 19 21:43:23.497 INFO checking TechnoCrunch/Rust-Multithreading against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:43:23.497 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/TechnoCrunch/Rust-Multithreading:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:43:23.886 INFO [stdout] ba6b8ce0bfbe5134693bdb7319114b1dda70cbe2cf08857af1200b9340f532ea
Dec 19 21:43:23.890 INFO running `"docker" "start" "-a" "ba6b8ce0bfbe5134693bdb7319114b1dda70cbe2cf08857af1200b9340f532ea"`
Dec 19 21:43:24.599 INFO [stderr]     Checking multithreads v0.1.0 (/opt/crater/workdir)
Dec 19 21:43:24.836 INFO [stderr] warning: unused import: `std::time`
Dec 19 21:43:24.836 INFO [stderr]  --> src/main.rs:6:5
Dec 19 21:43:24.836 INFO [stderr]   |
Dec 19 21:43:24.836 INFO [stderr] 6 | use std::time;
Dec 19 21:43:24.836 INFO [stderr]   |     ^^^^^^^^^
Dec 19 21:43:24.836 INFO [stderr]   |
Dec 19 21:43:24.836 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:43:24.836 INFO [stderr] 
Dec 19 21:43:24.836 INFO [stderr] warning: unused imports: `Cell`, `RefCell`
Dec 19 21:43:24.836 INFO [stderr]  --> src/main.rs:8:17
Dec 19 21:43:24.836 INFO [stderr]   |
Dec 19 21:43:24.836 INFO [stderr] 8 | use std::cell::{Cell, RefCell};
Dec 19 21:43:24.836 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 19 21:43:24.836 INFO [stderr] 
Dec 19 21:43:24.856 INFO [stderr] warning: unused import: `std::time`
Dec 19 21:43:24.856 INFO [stderr]  --> src/main.rs:6:5
Dec 19 21:43:24.856 INFO [stderr]   |
Dec 19 21:43:24.856 INFO [stderr] 6 | use std::time;
Dec 19 21:43:24.856 INFO [stderr]   |     ^^^^^^^^^
Dec 19 21:43:24.856 INFO [stderr]   |
Dec 19 21:43:24.856 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:43:24.856 INFO [stderr] 
Dec 19 21:43:24.856 INFO [stderr] warning: unused imports: `Cell`, `RefCell`
Dec 19 21:43:24.856 INFO [stderr]  --> src/main.rs:8:17
Dec 19 21:43:24.856 INFO [stderr]   |
Dec 19 21:43:24.856 INFO [stderr] 8 | use std::cell::{Cell, RefCell};
Dec 19 21:43:24.856 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 19 21:43:24.856 INFO [stderr] 
Dec 19 21:43:24.912 INFO [stderr] warning: unused variable: `item`
Dec 19 21:43:24.912 INFO [stderr]   --> src/main.rs:38:17
Dec 19 21:43:24.912 INFO [stderr]    |
Dec 19 21:43:24.912 INFO [stderr] 38 |             let item = thread_items.lock().unwrap();
Dec 19 21:43:24.912 INFO [stderr]    |                 ^^^^ help: consider using `_item` instead
Dec 19 21:43:24.912 INFO [stderr]    |
Dec 19 21:43:24.912 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:43:24.912 INFO [stderr] 
Dec 19 21:43:24.920 INFO [stderr] warning: unused variable: `item`
Dec 19 21:43:24.920 INFO [stderr]   --> src/main.rs:38:17
Dec 19 21:43:24.920 INFO [stderr]    |
Dec 19 21:43:24.920 INFO [stderr] 38 |             let item = thread_items.lock().unwrap();
Dec 19 21:43:24.920 INFO [stderr]    |                 ^^^^ help: consider using `_item` instead
Dec 19 21:43:24.920 INFO [stderr]    |
Dec 19 21:43:24.924 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:43:24.924 INFO [stderr] 
Dec 19 21:43:24.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 19 21:43:25.398 INFO running `"docker" "inspect" "ba6b8ce0bfbe5134693bdb7319114b1dda70cbe2cf08857af1200b9340f532ea"`
Dec 19 21:43:25.525 INFO running `"docker" "rm" "-f" "ba6b8ce0bfbe5134693bdb7319114b1dda70cbe2cf08857af1200b9340f532ea"`
Dec 19 21:43:25.598 INFO [stdout] ba6b8ce0bfbe5134693bdb7319114b1dda70cbe2cf08857af1200b9340f532ea