Dec 04 23:53:21.352 INFO checking TechnoCrunch/Rust-Multithreading against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481 Dec 04 23:53:21.352 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 23:53:21.800 INFO [stdout] 62cc1b1666d4e469bfc922abd4f6f249047b55b73067ca198d967959a7be3fd7 Dec 04 23:53:21.804 INFO running `"docker" "start" "-a" "62cc1b1666d4e469bfc922abd4f6f249047b55b73067ca198d967959a7be3fd7"` Dec 04 23:53:22.885 INFO [stderr] usermod: no changes Dec 04 23:53:22.990 INFO [stderr] Checking multithreads v0.1.0 (/source) Dec 04 23:53:23.503 INFO [stderr] warning: unused import: `std::time` Dec 04 23:53:23.503 INFO [stderr] --> src/main.rs:6:5 Dec 04 23:53:23.503 INFO [stderr] | Dec 04 23:53:23.503 INFO [stderr] 6 | use std::time; Dec 04 23:53:23.503 INFO [stderr] | ^^^^^^^^^ Dec 04 23:53:23.503 INFO [stderr] | Dec 04 23:53:23.503 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 04 23:53:23.503 INFO [stderr] Dec 04 23:53:23.503 INFO [stderr] warning: unused imports: `Cell`, `RefCell` Dec 04 23:53:23.503 INFO [stderr] --> src/main.rs:8:17 Dec 04 23:53:23.503 INFO [stderr] | Dec 04 23:53:23.503 INFO [stderr] 8 | use std::cell::{Cell, RefCell}; Dec 04 23:53:23.503 INFO [stderr] | ^^^^ ^^^^^^^ Dec 04 23:53:23.503 INFO [stderr] Dec 04 23:53:23.538 INFO [stderr] warning: unused import: `std::time` Dec 04 23:53:23.538 INFO [stderr] --> src/main.rs:6:5 Dec 04 23:53:23.538 INFO [stderr] | Dec 04 23:53:23.538 INFO [stderr] 6 | use std::time; Dec 04 23:53:23.538 INFO [stderr] | ^^^^^^^^^ Dec 04 23:53:23.538 INFO [stderr] | Dec 04 23:53:23.538 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 04 23:53:23.538 INFO [stderr] Dec 04 23:53:23.538 INFO [stderr] warning: unused imports: `Cell`, `RefCell` Dec 04 23:53:23.538 INFO [stderr] --> src/main.rs:8:17 Dec 04 23:53:23.538 INFO [stderr] | Dec 04 23:53:23.538 INFO [stderr] 8 | use std::cell::{Cell, RefCell}; Dec 04 23:53:23.538 INFO [stderr] | ^^^^ ^^^^^^^ Dec 04 23:53:23.538 INFO [stderr] Dec 04 23:53:23.562 INFO [stderr] warning: unused variable: `item` Dec 04 23:53:23.562 INFO [stderr] --> src/main.rs:38:17 Dec 04 23:53:23.562 INFO [stderr] | Dec 04 23:53:23.562 INFO [stderr] 38 | let item = thread_items.lock().unwrap(); Dec 04 23:53:23.562 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 04 23:53:23.562 INFO [stderr] | Dec 04 23:53:23.562 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 04 23:53:23.562 INFO [stderr] Dec 04 23:53:23.593 INFO [stderr] warning: unused variable: `item` Dec 04 23:53:23.593 INFO [stderr] --> src/main.rs:38:17 Dec 04 23:53:23.593 INFO [stderr] | Dec 04 23:53:23.593 INFO [stderr] 38 | let item = thread_items.lock().unwrap(); Dec 04 23:53:23.593 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 04 23:53:23.594 INFO [stderr] | Dec 04 23:53:23.594 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 04 23:53:23.594 INFO [stderr] Dec 04 23:53:23.620 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.71s Dec 04 23:53:23.623 INFO [stderr] su: No module specific data is present Dec 04 23:53:23.976 INFO running `"docker" "inspect" "62cc1b1666d4e469bfc922abd4f6f249047b55b73067ca198d967959a7be3fd7"` Dec 04 23:53:24.172 INFO running `"docker" "rm" "-f" "62cc1b1666d4e469bfc922abd4f6f249047b55b73067ca198d967959a7be3fd7"` Dec 04 23:53:24.470 INFO [stdout] 62cc1b1666d4e469bfc922abd4f6f249047b55b73067ca198d967959a7be3fd7