[INFO] updating cached repository heejongahn/daily-BOJ
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/heejongahn/daily-BOJ
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/heejongahn/daily-BOJ" "work/ex/clippy-test-run/sources/stable/gh/heejongahn/daily-BOJ"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/heejongahn/daily-BOJ'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/heejongahn/daily-BOJ" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/heejongahn/daily-BOJ"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/heejongahn/daily-BOJ'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1ec181a66b7745ef46992da012315cf2be06358
[INFO] sha for GitHub repo heejongahn/daily-BOJ: f1ec181a66b7745ef46992da012315cf2be06358
[INFO] validating manifest of heejongahn/daily-BOJ 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 heejongahn/daily-BOJ 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 heejongahn/daily-BOJ
[INFO] finished frobbing heejongahn/daily-BOJ
[INFO] frobbed toml for heejongahn/daily-BOJ written to work/ex/clippy-test-run/sources/stable/gh/heejongahn/daily-BOJ/Cargo.toml
[INFO] started frobbing heejongahn/daily-BOJ
[INFO] finished frobbing heejongahn/daily-BOJ
[INFO] frobbed toml for heejongahn/daily-BOJ written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/heejongahn/daily-BOJ/Cargo.toml
[INFO] crate heejongahn/daily-BOJ 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 heejongahn/daily-BOJ 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-6/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/heejongahn/daily-BOJ:/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] 1c11639464632402116eaa67f44293e8cc5a1072cb1e8d1566801e2b6e34d8ab
[INFO] running `"docker" "start" "-a" "1c11639464632402116eaa67f44293e8cc5a1072cb1e8d1566801e2b6e34d8ab"`
[INFO] [stderr]     Checking daily-boj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/2751.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return merge(&left, &right);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `merge(&left, &right)`
[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 return statement
[INFO] [stderr]   --> src/bin/2751.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     return sorted;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `sorted`
[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: unneeded return statement
[INFO] [stderr]   --> src/bin/2751.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return merge(&left, &right);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `merge(&left, &right)`
[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 return statement
[INFO] [stderr]   --> src/bin/2751.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     return sorted;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `sorted`
[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: unused import: `std::f32`
[INFO] [stderr]  --> src/bin/1978.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::f32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/1978.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return true;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/bin/1978.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if ((n % i) == 0) {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/bin/1978.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |         match (str::parse::<i32>(string)) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32`
[INFO] [stderr]  --> src/bin/1978.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::f32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/1978.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return true;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/bin/1978.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if ((n % i) == 0) {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/bin/1978.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |         match (str::parse::<i32>(string)) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/7785.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |         if line.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.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: unused variable: `numbers`
[INFO] [stderr]   --> src/bin/1978.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let numbers: Vec<i32> = Vec::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_numbers` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/bin/1978.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let strings = numbers_str.trim().split(" ");
[INFO] [stderr]    |                                            ^^^ help: try using a char instead: `' '`
[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: unused variable: `numbers`
[INFO] [stderr]   --> src/bin/1978.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let numbers: Vec<i32> = Vec::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_numbers` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/bin/1978.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let strings = numbers_str.trim().split(" ");
[INFO] [stderr]    |                                            ^^^ help: try using a char instead: `' '`
[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/bin/9375.rs:24:78
[INFO] [stderr]    |
[INFO] [stderr] 24 |             let line: Vec<&str> = lines.next().expect("get next line").split(" ").collect();
[INFO] [stderr]    |                                                                              ^^^ help: try using a char instead: `' '`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/bin/9375.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             *count = *count + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: replace it with: `*count += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/7785.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |         if line.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.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: single-character string constant used as pattern
[INFO] [stderr]   --> src/bin/9375.rs:24:78
[INFO] [stderr]    |
[INFO] [stderr] 24 |             let line: Vec<&str> = lines.next().expect("get next line").split(" ").collect();
[INFO] [stderr]    |                                                                              ^^^ help: try using a char instead: `' '`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/bin/9375.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             *count = *count + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: replace it with: `*count += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/2750.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return buf.trim_right().parse().expect("Failed to expect i_32");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf.trim_right().parse().expect("Failed to expect i_32")`
[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: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/2750.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/bin/2750.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return buf.trim_right().parse().expect("Failed to expect i_32");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf.trim_right().parse().expect("Failed to expect i_32")`
[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: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/2750.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/bin/2750.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     handle.read_line(&mut buf);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/bin/2750.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (v[i] < v[len - 1]) {
[INFO] [stderr]    |             ^^^^   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/bin/2750.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     handle.read_line(&mut buf);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/bin/2750.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (v[i] < v[len - 1]) {
[INFO] [stderr]    |             ^^^^   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `"docker" "inspect" "1c11639464632402116eaa67f44293e8cc5a1072cb1e8d1566801e2b6e34d8ab"`
[INFO] running `"docker" "rm" "-f" "1c11639464632402116eaa67f44293e8cc5a1072cb1e8d1566801e2b6e34d8ab"`
[INFO] [stdout] 1c11639464632402116eaa67f44293e8cc5a1072cb1e8d1566801e2b6e34d8ab