[INFO] updating cached repository TechnoCrunch/Rust-Multithreading [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/TechnoCrunch/Rust-Multithreading [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/TechnoCrunch/Rust-Multithreading" "work/ex/clippy-test-run/sources/stable/gh/TechnoCrunch/Rust-Multithreading"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TechnoCrunch/Rust-Multithreading'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TechnoCrunch/Rust-Multithreading" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TechnoCrunch/Rust-Multithreading"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TechnoCrunch/Rust-Multithreading'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8356b7529c0b5d574c66ee2fc6198f3a051efb4f [INFO] sha for GitHub repo TechnoCrunch/Rust-Multithreading: 8356b7529c0b5d574c66ee2fc6198f3a051efb4f [INFO] validating manifest of TechnoCrunch/Rust-Multithreading on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of TechnoCrunch/Rust-Multithreading on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing TechnoCrunch/Rust-Multithreading [INFO] finished frobbing TechnoCrunch/Rust-Multithreading [INFO] frobbed toml for TechnoCrunch/Rust-Multithreading written to work/ex/clippy-test-run/sources/stable/gh/TechnoCrunch/Rust-Multithreading/Cargo.toml [INFO] started frobbing TechnoCrunch/Rust-Multithreading [INFO] finished frobbing TechnoCrunch/Rust-Multithreading [INFO] frobbed toml for TechnoCrunch/Rust-Multithreading written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TechnoCrunch/Rust-Multithreading/Cargo.toml [INFO] crate TechnoCrunch/Rust-Multithreading has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting TechnoCrunch/Rust-Multithreading against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8454ae20d38104a92b3bf251eb38bf783d58c86acc0325475302297a21f16986 [INFO] running `"docker" "start" "-a" "8454ae20d38104a92b3bf251eb38bf783d58c86acc0325475302297a21f16986"` [INFO] [stderr] Checking num_cpus v1.2.1 [INFO] [stderr] Checking multithreads v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Cell`, `RefCell` [INFO] [stderr] --> src/main.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cell::{Cell, RefCell}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item` [INFO] [stderr] --> src/main.rs:38:17 [INFO] [stderr] | [INFO] [stderr] 38 | let item = thread_items.lock().unwrap(); [INFO] [stderr] | ^^^^ help: consider using `_item` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting i8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:42:45 [INFO] [stderr] | [INFO] [stderr] 42 | producer.produce(&mut consumer, amount as i32); [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `i32::from(amount)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Cell`, `RefCell` [INFO] [stderr] --> src/main.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cell::{Cell, RefCell}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item` [INFO] [stderr] --> src/main.rs:38:17 [INFO] [stderr] | [INFO] [stderr] 38 | let item = thread_items.lock().unwrap(); [INFO] [stderr] | ^^^^ help: consider using `_item` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting i8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:42:45 [INFO] [stderr] | [INFO] [stderr] 42 | producer.produce(&mut consumer, amount as i32); [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `i32::from(amount)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `"docker" "inspect" "8454ae20d38104a92b3bf251eb38bf783d58c86acc0325475302297a21f16986"` [INFO] running `"docker" "rm" "-f" "8454ae20d38104a92b3bf251eb38bf783d58c86acc0325475302297a21f16986"` [INFO] [stdout] 8454ae20d38104a92b3bf251eb38bf783d58c86acc0325475302297a21f16986