[INFO] crate workerpool 1.1.1 is already in cache
[INFO] extracting crate workerpool 1.1.1 into work/ex/clippy-test-run/sources/stable/reg/workerpool/1.1.1
[INFO] extracting crate workerpool 1.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/workerpool/1.1.1
[INFO] validating manifest of workerpool-1.1.1 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 workerpool-1.1.1 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 workerpool-1.1.1
[INFO] finished frobbing workerpool-1.1.1
[INFO] frobbed toml for workerpool-1.1.1 written to work/ex/clippy-test-run/sources/stable/reg/workerpool/1.1.1/Cargo.toml
[INFO] started frobbing workerpool-1.1.1
[INFO] finished frobbing workerpool-1.1.1
[INFO] frobbed toml for workerpool-1.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/workerpool/1.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 workerpool-1.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/workerpool/1.1.1:/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] f071f9ed9efc2ac030e2393f69a9a00fdf9fe8880ee52b60b365a31588df5b83
[INFO] running `"docker" "start" "-a" "f071f9ed9efc2ac030e2393f69a9a00fdf9fe8880ee52b60b365a31588df5b83"`
[INFO] [stderr]     Checking workerpool v1.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |             shared_data: shared_data,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `shared_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |             shared_data: shared_data,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `shared_data`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |             shared_data: shared_data,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `shared_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |             shared_data: shared_data,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `shared_data`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/lib.rs:1463:13
[INFO] [stderr]      |
[INFO] [stderr] 1463 |             39916800,
[INFO] [stderr]      |             ^^^^^^^^ help: consider: `39_916_800`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:449:19
[INFO] [stderr]     |
[INFO] [stderr] 449 |     job_receiver: Mutex<Receiver<(T::Input, Option<Sender<T::Output>>)>>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:485:11
[INFO] [stderr]     |
[INFO] [stderr] 485 |     jobs: Arc<Mutex<Sender<(T::Input, Option<Sender<T::Output>>)>>>,
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:449:19
[INFO] [stderr]     |
[INFO] [stderr] 449 |     job_receiver: Mutex<Receiver<(T::Input, Option<Sender<T::Output>>)>>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:485:11
[INFO] [stderr]     |
[INFO] [stderr] 485 |     jobs: Arc<Mutex<Sender<(T::Input, Option<Sender<T::Output>>)>>>,
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]     --> src/lib.rs:1070:46
[INFO] [stderr]      |
[INFO] [stderr] 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
[INFO] [stderr]      |                                              ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]     --> src/lib.rs:1070:46
[INFO] [stderr]      |
[INFO] [stderr] 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
[INFO] [stderr]      |                                              ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]     --> src/lib.rs:1107:46
[INFO] [stderr]      |
[INFO] [stderr] 1107 |         assert_eq!(rx.iter().take(TEST_TASKS).fold(0, |a, b| a + b), TEST_TASKS);
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]     --> src/lib.rs:1135:46
[INFO] [stderr]      |
[INFO] [stderr] 1135 |         assert_eq!(rx.iter().take(TEST_TASKS).fold(0, |a, b| a + b), TEST_TASKS);
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]     --> src/lib.rs:1190:46
[INFO] [stderr]      |
[INFO] [stderr] 1190 |         assert_eq!(rx.iter().take(test_tasks).fold(0, |a, b| a + b), test_tasks);
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]     --> src/lib.rs:1368:22
[INFO] [stderr]      |
[INFO] [stderr] 1368 |             rx.iter().fold(0, |acc, i| acc + i),
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]     --> src/lib.rs:1369:13
[INFO] [stderr]      |
[INFO] [stderr] 1369 |             0 + 1 + 2 + 3 + 4 + 5 + 6 + 7
[INFO] [stderr]      |             ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]     --> src/lib.rs:1429:26
[INFO] [stderr]      |
[INFO] [stderr] 1429 |                   rx.iter().fold(
[INFO] [stderr]      |  __________________________^
[INFO] [stderr] 1430 | |                     0,
[INFO] [stderr] 1431 | |                     |accumulator, element| accumulator + element,
[INFO] [stderr]      | |_________________________________________________________________^ help: try: `.sum()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]     --> src/lib.rs:1449:26
[INFO] [stderr]      |
[INFO] [stderr] 1449 |                   rx.iter().fold(
[INFO] [stderr]      |  __________________________^
[INFO] [stderr] 1450 | |                     1,
[INFO] [stderr] 1451 | |                     |accumulator, element| accumulator * element,
[INFO] [stderr]      | |_________________________________________________________________^ help: try: `.product()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "f071f9ed9efc2ac030e2393f69a9a00fdf9fe8880ee52b60b365a31588df5b83"`
[INFO] running `"docker" "rm" "-f" "f071f9ed9efc2ac030e2393f69a9a00fdf9fe8880ee52b60b365a31588df5b83"`
[INFO] [stdout] f071f9ed9efc2ac030e2393f69a9a00fdf9fe8880ee52b60b365a31588df5b83