[INFO] updating cached repository supercurio/rust-issue-mir-vec-slowdown
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/supercurio/rust-issue-mir-vec-slowdown
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/supercurio/rust-issue-mir-vec-slowdown" "work/ex/clippy-test-run/sources/stable/gh/supercurio/rust-issue-mir-vec-slowdown"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/supercurio/rust-issue-mir-vec-slowdown'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/supercurio/rust-issue-mir-vec-slowdown" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/supercurio/rust-issue-mir-vec-slowdown"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/supercurio/rust-issue-mir-vec-slowdown'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf0487a6eaa9bccfb6bb95d004c478904a16a138
[INFO] sha for GitHub repo supercurio/rust-issue-mir-vec-slowdown: cf0487a6eaa9bccfb6bb95d004c478904a16a138
[INFO] validating manifest of supercurio/rust-issue-mir-vec-slowdown 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 supercurio/rust-issue-mir-vec-slowdown 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 supercurio/rust-issue-mir-vec-slowdown
[INFO] finished frobbing supercurio/rust-issue-mir-vec-slowdown
[INFO] frobbed toml for supercurio/rust-issue-mir-vec-slowdown written to work/ex/clippy-test-run/sources/stable/gh/supercurio/rust-issue-mir-vec-slowdown/Cargo.toml
[INFO] started frobbing supercurio/rust-issue-mir-vec-slowdown
[INFO] finished frobbing supercurio/rust-issue-mir-vec-slowdown
[INFO] frobbed toml for supercurio/rust-issue-mir-vec-slowdown written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/supercurio/rust-issue-mir-vec-slowdown/Cargo.toml
[INFO] crate supercurio/rust-issue-mir-vec-slowdown 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 supercurio/rust-issue-mir-vec-slowdown against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/supercurio/rust-issue-mir-vec-slowdown:/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 -Dclippy::into_iter_on_array" "-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] 1782f97826b6a2dadeef9270497d08b01ac0f6cb6d7e8d773f6afe1848dd5277
[INFO] running `"docker" "start" "-a" "1782f97826b6a2dadeef9270497d08b01ac0f6cb6d7e8d773f6afe1848dd5277"`
[INFO] [stderr]     Checking vec-mir-slowdown-issue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | const SAMPLE_COUNT: u64 = 524288;
[INFO] [stderr]    |                           ^^^^^^ help: consider: `524_288`
[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: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | const SAMPLE_COUNT: u64 = 524288;
[INFO] [stderr]    |                           ^^^^^^ help: consider: `524_288`
[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: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/main.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for <item> in &mut buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `f` is only used to index `biquads`.
[INFO] [stderr]    --> src/main.rs:122:22
[INFO] [stderr]     |
[INFO] [stderr] 122 |             for f in 0..FILTER_COUNT {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 122 |             for <item> in biquads.iter_mut().take(FILTER_COUNT) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/main.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 79 |     for <item> in &mut buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `f` is only used to index `biquads`.
[INFO] [stderr]    --> src/main.rs:122:22
[INFO] [stderr]     |
[INFO] [stderr] 122 |             for f in 0..FILTER_COUNT {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 122 |             for <item> in biquads.iter_mut().take(FILTER_COUNT) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "1782f97826b6a2dadeef9270497d08b01ac0f6cb6d7e8d773f6afe1848dd5277"`
[INFO] running `"docker" "rm" "-f" "1782f97826b6a2dadeef9270497d08b01ac0f6cb6d7e8d773f6afe1848dd5277"`
[INFO] [stdout] 1782f97826b6a2dadeef9270497d08b01ac0f6cb6d7e8d773f6afe1848dd5277