[INFO] crate peggler 0.1.0 is already in cache
[INFO] extracting crate peggler 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/peggler/0.1.0
[INFO] extracting crate peggler 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/peggler/0.1.0
[INFO] validating manifest of peggler-0.1.0 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 peggler-0.1.0 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 peggler-0.1.0
[INFO] finished frobbing peggler-0.1.0
[INFO] frobbed toml for peggler-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/peggler/0.1.0/Cargo.toml
[INFO] started frobbing peggler-0.1.0
[INFO] finished frobbing peggler-0.1.0
[INFO] frobbed toml for peggler-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/peggler/0.1.0/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 peggler-0.1.0 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-1/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/reg/peggler/0.1.0:/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 -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] bd8d63d9c55f9472671418f8a5e44063d74dfcb9035b947a9400b721bf0fa30e
[INFO] running `"docker" "start" "-a" "bd8d63d9c55f9472671418f8a5e44063d74dfcb9035b947a9400b721bf0fa30e"`
[INFO] [stderr]     Checking peggler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/tests/and.rs:96:37
[INFO] [stderr]    |
[INFO] [stderr] 96 |     rule!(rule:() = a & b / (c => { () }));
[INFO] [stderr]    |                                     ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> tests/arithmetic.rs:68:56
[INFO] [stderr]    |
[INFO] [stderr] 68 | rule!(ws:() = ([" "] / ["\t"] / ["\n"] / ["\r"])* => { () });
[INFO] [stderr]    |                                                        ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> tests/ini_files.rs:33:53
[INFO] [stderr]    |
[INFO] [stderr] 33 | rule!(comment:() = [";"] (!(["\n"]) any_char)* => { () });
[INFO] [stderr]    |                                                     ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> tests/ini_files.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 |       ((([" "] / ["\t"] / ["\r"]/ ["\n"]) => { () }) / comment)*
[INFO] [stderr]    |                                                ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> tests/ini_files.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |       => { () });
[INFO] [stderr]    |            ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> tests/arithmetic.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut end : usize;
[INFO] [stderr]   |         ----^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:230:30
[INFO] [stderr]     |
[INFO] [stderr] 230 |         if input.starts_with("a") {
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'a'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:238:30
[INFO] [stderr]     |
[INFO] [stderr] 238 |         if input.starts_with("b") {
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'b'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:246:30
[INFO] [stderr]     |
[INFO] [stderr] 246 |         if input.starts_with("c") {
[INFO] [stderr]     |                              ^^^ help: try using a char instead: `'c'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `"docker" "inspect" "bd8d63d9c55f9472671418f8a5e44063d74dfcb9035b947a9400b721bf0fa30e"`
[INFO] running `"docker" "rm" "-f" "bd8d63d9c55f9472671418f8a5e44063d74dfcb9035b947a9400b721bf0fa30e"`
[INFO] [stdout] bd8d63d9c55f9472671418f8a5e44063d74dfcb9035b947a9400b721bf0fa30e