[INFO] crate bucket-limiter 0.2.0 is already in cache
[INFO] extracting crate bucket-limiter 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/bucket-limiter/0.2.0
[INFO] extracting crate bucket-limiter 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bucket-limiter/0.2.0
[INFO] validating manifest of bucket-limiter-0.2.0 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 bucket-limiter-0.2.0 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 bucket-limiter-0.2.0
[INFO] finished frobbing bucket-limiter-0.2.0
[INFO] frobbed toml for bucket-limiter-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/bucket-limiter/0.2.0/Cargo.toml
[INFO] started frobbing bucket-limiter-0.2.0
[INFO] finished frobbing bucket-limiter-0.2.0
[INFO] frobbed toml for bucket-limiter-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bucket-limiter/0.2.0/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 bucket-limiter-0.2.0 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/bucket-limiter/0.2.0:/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] 3fd5753734202ff130922fc75055953b4bb7b8a9bb57340f829c67949aa907f1
[INFO] running `"docker" "start" "-a" "3fd5753734202ff130922fc75055953b4bb7b8a9bb57340f829c67949aa907f1"`
[INFO] [stderr]     Checking bucket-limiter v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:154:16
[INFO] [stderr]     |
[INFO] [stderr] 154 |             if key.len() < 1 || n < 1 || interval < 1 || capacity < 1 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `key.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/lib.rs:305:45
[INFO] [stderr]     |
[INFO] [stderr] 305 |                             current_tokens, last_fill_at: _
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: Try with `Denied { redis_key, interval, capacity, current_tokens, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:154:16
[INFO] [stderr]     |
[INFO] [stderr] 154 |             if key.len() < 1 || n < 1 || interval < 1 || capacity < 1 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `key.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/lib.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 | /             let _: () = client
[INFO] [stderr] 220 | |                 .del(limiter.get_redis_key(key, interval))
[INFO] [stderr] 221 | |                 .unwrap();
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:250:45
[INFO] [stderr]     |
[INFO] [stderr] 250 |         thread::sleep(Duration::from_millis((interval * 1000 + 2) as u64));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(interval * 1000 + 2)`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:287:14
[INFO] [stderr]     |
[INFO] [stderr] 287 |             ((interval_1 * 1000 + 2) as u64,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(interval_1 * 1000 + 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the `e @ _` pattern can be written as just `e`
[INFO] [stderr]    --> src/lib.rs:312:25
[INFO] [stderr]     |
[INFO] [stderr] 312 |                         e @ _ => {
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench_basic.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `bucket-limiter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3fd5753734202ff130922fc75055953b4bb7b8a9bb57340f829c67949aa907f1"`
[INFO] running `"docker" "rm" "-f" "3fd5753734202ff130922fc75055953b4bb7b8a9bb57340f829c67949aa907f1"`
[INFO] [stdout] 3fd5753734202ff130922fc75055953b4bb7b8a9bb57340f829c67949aa907f1