Dec 12 00:03:35.573 INFO checking TechnoCrunch/Rust-Multithreading against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:03:35.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 00:03:35.940 INFO [stdout] b61f98339df44723351e48a17bc43b182b261ab28f9cad0c9b65c1580ac36bd3
Dec 12 00:03:35.946 INFO running `"docker" "start" "-a" "b61f98339df44723351e48a17bc43b182b261ab28f9cad0c9b65c1580ac36bd3"`
Dec 12 00:03:36.516 INFO [stderr] usermod: no changes
Dec 12 00:03:36.556 INFO [stderr]     Checking multithreads v0.1.0 (/source)
Dec 12 00:03:36.989 INFO [stderr] warning: unused import: `std::time`
Dec 12 00:03:36.989 INFO [stderr]  --> src/main.rs:6:5
Dec 12 00:03:36.989 INFO [stderr]   |
Dec 12 00:03:36.989 INFO [stderr] 6 | use std::time;
Dec 12 00:03:36.989 INFO [stderr]   |     ^^^^^^^^^
Dec 12 00:03:36.989 INFO [stderr]   |
Dec 12 00:03:36.989 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:03:36.989 INFO [stderr] 
Dec 12 00:03:36.989 INFO [stderr] warning: unused imports: `Cell`, `RefCell`
Dec 12 00:03:36.989 INFO [stderr]  --> src/main.rs:8:17
Dec 12 00:03:36.989 INFO [stderr]   |
Dec 12 00:03:36.989 INFO [stderr] 8 | use std::cell::{Cell, RefCell};
Dec 12 00:03:36.989 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 12 00:03:36.989 INFO [stderr] 
Dec 12 00:03:37.012 INFO [stderr] warning: unused import: `std::time`
Dec 12 00:03:37.012 INFO [stderr]  --> src/main.rs:6:5
Dec 12 00:03:37.012 INFO [stderr]   |
Dec 12 00:03:37.012 INFO [stderr] 6 | use std::time;
Dec 12 00:03:37.012 INFO [stderr]   |     ^^^^^^^^^
Dec 12 00:03:37.012 INFO [stderr]   |
Dec 12 00:03:37.012 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:03:37.012 INFO [stderr] 
Dec 12 00:03:37.012 INFO [stderr] warning: unused imports: `Cell`, `RefCell`
Dec 12 00:03:37.012 INFO [stderr]  --> src/main.rs:8:17
Dec 12 00:03:37.012 INFO [stderr]   |
Dec 12 00:03:37.012 INFO [stderr] 8 | use std::cell::{Cell, RefCell};
Dec 12 00:03:37.012 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 12 00:03:37.012 INFO [stderr] 
Dec 12 00:03:37.048 INFO [stderr] warning: unused variable: `item`
Dec 12 00:03:37.048 INFO [stderr]   --> src/main.rs:38:17
Dec 12 00:03:37.048 INFO [stderr]    |
Dec 12 00:03:37.048 INFO [stderr] 38 |             let item = thread_items.lock().unwrap();
Dec 12 00:03:37.048 INFO [stderr]    |                 ^^^^ help: consider using `_item` instead
Dec 12 00:03:37.048 INFO [stderr]    |
Dec 12 00:03:37.048 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:03:37.048 INFO [stderr] 
Dec 12 00:03:37.105 INFO [stderr] warning: unused variable: `item`
Dec 12 00:03:37.105 INFO [stderr]   --> src/main.rs:38:17
Dec 12 00:03:37.105 INFO [stderr]    |
Dec 12 00:03:37.106 INFO [stderr] 38 |             let item = thread_items.lock().unwrap();
Dec 12 00:03:37.106 INFO [stderr]    |                 ^^^^ help: consider using `_item` instead
Dec 12 00:03:37.106 INFO [stderr]    |
Dec 12 00:03:37.106 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:03:37.106 INFO [stderr] 
Dec 12 00:03:37.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 12 00:03:37.106 INFO [stderr] su: No module specific data is present
Dec 12 00:03:37.606 INFO running `"docker" "inspect" "b61f98339df44723351e48a17bc43b182b261ab28f9cad0c9b65c1580ac36bd3"`
Dec 12 00:03:37.740 INFO running `"docker" "rm" "-f" "b61f98339df44723351e48a17bc43b182b261ab28f9cad0c9b65c1580ac36bd3"`
Dec 12 00:03:37.890 INFO [stdout] b61f98339df44723351e48a17bc43b182b261ab28f9cad0c9b65c1580ac36bd3