Dec 18 05:15:58.458 INFO checking TechnoCrunch/Rust-Multithreading against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 05:15:58.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 05:15:58.707 INFO [stdout] 3155fc38aca147a24ad3dfafab387bf838cdeec0d6e5aeb75d31eb276d0076dc Dec 18 05:15:58.709 INFO running `"docker" "start" "-a" "3155fc38aca147a24ad3dfafab387bf838cdeec0d6e5aeb75d31eb276d0076dc"` Dec 18 05:15:59.596 INFO [stderr] Checking multithreads v0.1.0 (/opt/crater/workdir) Dec 18 05:15:59.853 INFO [stderr] warning: unused import: `std::time` Dec 18 05:15:59.853 INFO [stderr] --> src/main.rs:6:5 Dec 18 05:15:59.853 INFO [stderr] | Dec 18 05:15:59.853 INFO [stderr] 6 | use std::time; Dec 18 05:15:59.853 INFO [stderr] | ^^^^^^^^^ Dec 18 05:15:59.853 INFO [stderr] | Dec 18 05:15:59.853 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 05:15:59.853 INFO [stderr] Dec 18 05:15:59.853 INFO [stderr] warning: unused imports: `Cell`, `RefCell` Dec 18 05:15:59.853 INFO [stderr] --> src/main.rs:8:17 Dec 18 05:15:59.853 INFO [stderr] | Dec 18 05:15:59.853 INFO [stderr] 8 | use std::cell::{Cell, RefCell}; Dec 18 05:15:59.853 INFO [stderr] | ^^^^ ^^^^^^^ Dec 18 05:15:59.853 INFO [stderr] Dec 18 05:15:59.920 INFO [stderr] warning: unused variable: `item` Dec 18 05:15:59.920 INFO [stderr] --> src/main.rs:38:17 Dec 18 05:15:59.920 INFO [stderr] | Dec 18 05:15:59.920 INFO [stderr] 38 | let item = thread_items.lock().unwrap(); Dec 18 05:15:59.920 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 18 05:15:59.920 INFO [stderr] | Dec 18 05:15:59.920 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 05:15:59.920 INFO [stderr] Dec 18 05:15:59.932 INFO [stderr] warning: unused import: `std::time` Dec 18 05:15:59.932 INFO [stderr] --> src/main.rs:6:5 Dec 18 05:15:59.932 INFO [stderr] | Dec 18 05:15:59.932 INFO [stderr] 6 | use std::time; Dec 18 05:15:59.932 INFO [stderr] | ^^^^^^^^^ Dec 18 05:15:59.932 INFO [stderr] | Dec 18 05:15:59.932 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 05:15:59.932 INFO [stderr] Dec 18 05:15:59.932 INFO [stderr] warning: unused imports: `Cell`, `RefCell` Dec 18 05:15:59.932 INFO [stderr] --> src/main.rs:8:17 Dec 18 05:15:59.932 INFO [stderr] | Dec 18 05:15:59.932 INFO [stderr] 8 | use std::cell::{Cell, RefCell}; Dec 18 05:15:59.932 INFO [stderr] | ^^^^ ^^^^^^^ Dec 18 05:15:59.932 INFO [stderr] Dec 18 05:15:59.996 INFO [stderr] warning: unused variable: `item` Dec 18 05:15:59.996 INFO [stderr] --> src/main.rs:38:17 Dec 18 05:15:59.996 INFO [stderr] | Dec 18 05:15:59.996 INFO [stderr] 38 | let item = thread_items.lock().unwrap(); Dec 18 05:15:59.996 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 18 05:15:59.996 INFO [stderr] | Dec 18 05:15:59.996 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 05:15:59.996 INFO [stderr] Dec 18 05:16:00.073 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s Dec 18 05:16:00.342 INFO running `"docker" "inspect" "3155fc38aca147a24ad3dfafab387bf838cdeec0d6e5aeb75d31eb276d0076dc"` Dec 18 05:16:00.440 INFO running `"docker" "rm" "-f" "3155fc38aca147a24ad3dfafab387bf838cdeec0d6e5aeb75d31eb276d0076dc"` Dec 18 05:16:00.553 INFO [stdout] 3155fc38aca147a24ad3dfafab387bf838cdeec0d6e5aeb75d31eb276d0076dc