[INFO] crate imgcompare 0.1.1 is already in cache
[INFO] extracting crate imgcompare 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/imgcompare/0.1.1
[INFO] extracting crate imgcompare 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/imgcompare/0.1.1
[INFO] validating manifest of imgcompare-0.1.1 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 imgcompare-0.1.1 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 imgcompare-0.1.1
[INFO] finished frobbing imgcompare-0.1.1
[INFO] frobbed toml for imgcompare-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/imgcompare/0.1.1/Cargo.toml
[INFO] started frobbing imgcompare-0.1.1
[INFO] finished frobbing imgcompare-0.1.1
[INFO] frobbed toml for imgcompare-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/imgcompare/0.1.1/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 imgcompare-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/imgcompare/0.1.1:/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] 2f1d16eb8e14ff89b910a7e6856ce2b955f06377609ee985e606e05485d2b45f
[INFO] running `"docker" "start" "-a" "2f1d16eb8e14ff89b910a7e6856ce2b955f06377609ee985e606e05485d2b45f"`
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking imgcompare v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     return px1.zip(px2).all(|i| {
[INFO] [stderr] 40 | |         let (a, b) = i;
[INFO] [stderr] 41 | |         let (x1, y1, p1) = a;
[INFO] [stderr] 42 | |         let (x2, y2, p2) = b;
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |         return x1 == x2 && y1 == y2 && p1 == p2;
[INFO] [stderr] 47 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 39 |     px1.zip(px2).all(|i| {
[INFO] [stderr] 40 |         let (a, b) = i;
[INFO] [stderr] 41 |         let (x1, y1, p1) = a;
[INFO] [stderr] 42 |         let (x2, y2, p2) = b;
[INFO] [stderr] 43 | 
[INFO] [stderr] 44 |         //println!("a: {:?}", a);
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return x1 == x2 && y1 == y2 && p1 == p2;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `x1 == x2 && y1 == y2 && p1 == p2`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |      std::process::exit(match result {
[INFO] [stderr]    |  _______________________^
[INFO] [stderr] 27 | |        true => 0,
[INFO] [stderr] 28 | |        false => {
[INFO] [stderr] 29 | |            println!("Images {} and {} differ!", path1.display(), path2.display());
[INFO] [stderr] 30 | |            -1
[INFO] [stderr] 31 | |        }
[INFO] [stderr] 32 | |    });
[INFO] [stderr]    | |____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 26 |    std::process::exit(if result { 0 } else {
[INFO] [stderr] 27 |     println!("Images {} and {} differ!", path1.display(), path2.display());
[INFO] [stderr] 28 |     -1
[INFO] [stderr] 29 | });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     return px1.zip(px2).all(|i| {
[INFO] [stderr] 40 | |         let (a, b) = i;
[INFO] [stderr] 41 | |         let (x1, y1, p1) = a;
[INFO] [stderr] 42 | |         let (x2, y2, p2) = b;
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |         return x1 == x2 && y1 == y2 && p1 == p2;
[INFO] [stderr] 47 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 39 |     px1.zip(px2).all(|i| {
[INFO] [stderr] 40 |         let (a, b) = i;
[INFO] [stderr] 41 |         let (x1, y1, p1) = a;
[INFO] [stderr] 42 |         let (x2, y2, p2) = b;
[INFO] [stderr] 43 | 
[INFO] [stderr] 44 |         //println!("a: {:?}", a);
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return x1 == x2 && y1 == y2 && p1 == p2;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `x1 == x2 && y1 == y2 && p1 == p2`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |      std::process::exit(match result {
[INFO] [stderr]    |  _______________________^
[INFO] [stderr] 27 | |        true => 0,
[INFO] [stderr] 28 | |        false => {
[INFO] [stderr] 29 | |            println!("Images {} and {} differ!", path1.display(), path2.display());
[INFO] [stderr] 30 | |            -1
[INFO] [stderr] 31 | |        }
[INFO] [stderr] 32 | |    });
[INFO] [stderr]    | |____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 26 |    std::process::exit(if result { 0 } else {
[INFO] [stderr] 27 |     println!("Images {} and {} differ!", path1.display(), path2.display());
[INFO] [stderr] 28 |     -1
[INFO] [stderr] 29 | });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.77s
[INFO] running `"docker" "inspect" "2f1d16eb8e14ff89b910a7e6856ce2b955f06377609ee985e606e05485d2b45f"`
[INFO] running `"docker" "rm" "-f" "2f1d16eb8e14ff89b910a7e6856ce2b955f06377609ee985e606e05485d2b45f"`
[INFO] [stdout] 2f1d16eb8e14ff89b910a7e6856ce2b955f06377609ee985e606e05485d2b45f