[INFO] updating cached repository matklad/kotlin-rust-dp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matklad/kotlin-rust-dp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/kotlin-rust-dp" "work/ex/clippy-test-run/sources/stable/gh/matklad/kotlin-rust-dp"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/matklad/kotlin-rust-dp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/kotlin-rust-dp" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matklad/kotlin-rust-dp"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matklad/kotlin-rust-dp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3227557028d709d011e20b6e558518c6e798f6f8
[INFO] sha for GitHub repo matklad/kotlin-rust-dp: 3227557028d709d011e20b6e558518c6e798f6f8
[INFO] validating manifest of matklad/kotlin-rust-dp 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 matklad/kotlin-rust-dp 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 matklad/kotlin-rust-dp
[INFO] finished frobbing matklad/kotlin-rust-dp
[INFO] frobbed toml for matklad/kotlin-rust-dp written to work/ex/clippy-test-run/sources/stable/gh/matklad/kotlin-rust-dp/Cargo.toml
[INFO] started frobbing matklad/kotlin-rust-dp
[INFO] finished frobbing matklad/kotlin-rust-dp
[INFO] frobbed toml for matklad/kotlin-rust-dp written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matklad/kotlin-rust-dp/Cargo.toml
[INFO] crate matklad/kotlin-rust-dp 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 matklad/kotlin-rust-dp 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-0/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/matklad/kotlin-rust-dp:/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] 69dc4422cfb2b154c5bc78f147f86e27fdf58aadff6f6f9cb119bee65938d582
[INFO] running `"docker" "start" "-a" "69dc4422cfb2b154c5bc78f147f86e27fdf58aadff6f6f9cb119bee65938d582"`
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking ts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/bin/original.rs:67:70
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn new(class: String, data: Vec<f64>) -> TimeSerie { TimeSerie { class: class, ptr: data.as_ptr(), data: data } }
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^ help: replace it with: `class`
[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/bin/original.rs:67:104
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn new(class: String, data: Vec<f64>) -> TimeSerie { TimeSerie { class: class, ptr: data.as_ptr(), data: data } }
[INFO] [stderr]    |                                                                                                        ^^^^^^^^^^ help: replace it with: `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/bin/original.rs:67:70
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn new(class: String, data: Vec<f64>) -> TimeSerie { TimeSerie { class: class, ptr: data.as_ptr(), data: data } }
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^ help: replace it with: `class`
[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/bin/original.rs:67:104
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn new(class: String, data: Vec<f64>) -> TimeSerie { TimeSerie { class: class, ptr: data.as_ptr(), data: data } }
[INFO] [stderr]    |                                                                                                        ^^^^^^^^^^ help: replace it with: `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: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/bin/original.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/bin/original.rs:55:82
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         (if d11 < d01 { if d11 < d10 { d11 } else { d10 } } else { if d01 < d10 { d01 } else { d10 } }) + self.square_dist(idx_line, idx_col, other)
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `if d01 < d10 { d01 } else { d10 }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/original.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     return matches;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `matches`
[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] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/bin/original.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Err(_) => { () }
[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: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/bin/original.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/bin/original.rs:55:82
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         (if d11 < d01 { if d11 < d10 { d11 } else { d10 } } else { if d01 < d10 { d01 } else { d10 } }) + self.square_dist(idx_line, idx_col, other)
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `if d01 < d10 { d01 } else { d10 }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/original.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     return matches;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `matches`
[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] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/bin/original.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Err(_) => { () }
[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: field is never used: `class`
[INFO] [stderr]   --> src/bin/original.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     class: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/original.rs:109:29
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let working_area = vec![0 as f64; ts_size * ts_size].as_mut_ptr();
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `f64::from(0)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/original.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     match now.elapsed() {
[INFO] [stderr] 118 | |         Ok(elapsed) => { println!("{} s", elapsed.as_secs()); }
[INFO] [stderr] 119 | |         Err(_) => { () }
[INFO] [stderr] 120 | |     }
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(elapsed) = now.elapsed() { println!("{} s", elapsed.as_secs()); }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |       } else {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 29 | |         if y < z { y } else { z }
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^ help: try: `if y < z { y } else { z }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return matches;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `matches`
[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] 
[INFO] [stderr] warning: field is never used: `class`
[INFO] [stderr]   --> src/bin/original.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     class: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/original.rs:109:29
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let working_area = vec![0 as f64; ts_size * ts_size].as_mut_ptr();
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `f64::from(0)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/original.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     match now.elapsed() {
[INFO] [stderr] 118 | |         Ok(elapsed) => { println!("{} s", elapsed.as_secs()); }
[INFO] [stderr] 119 | |         Err(_) => { () }
[INFO] [stderr] 120 | |     }
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(elapsed) = now.elapsed() { println!("{} s", elapsed.as_secs()); }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |       } else {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 29 | |         if y < z { y } else { z }
[INFO] [stderr] 30 | |     }
[INFO] [stderr]    | |_____^ help: try: `if y < z { y } else { z }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return matches;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `matches`
[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] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |     elapsed.as_secs() * 1000 + elapsed.subsec_nanos() as u64 / 1_000_000
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos())`
[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/main.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |     elapsed.as_secs() * 1000 + elapsed.subsec_nanos() as u64 / 1_000_000
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `"docker" "inspect" "69dc4422cfb2b154c5bc78f147f86e27fdf58aadff6f6f9cb119bee65938d582"`
[INFO] running `"docker" "rm" "-f" "69dc4422cfb2b154c5bc78f147f86e27fdf58aadff6f6f9cb119bee65938d582"`
[INFO] [stdout] 69dc4422cfb2b154c5bc78f147f86e27fdf58aadff6f6f9cb119bee65938d582