[INFO] crate luthor 0.2.0 is already in cache
[INFO] extracting crate luthor 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/luthor/0.2.0
[INFO] extracting crate luthor 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/luthor/0.2.0
[INFO] validating manifest of luthor-0.2.0 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 luthor-0.2.0 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 luthor-0.2.0
[INFO] finished frobbing luthor-0.2.0
[INFO] frobbed toml for luthor-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/luthor/0.2.0/Cargo.toml
[INFO] started frobbing luthor-0.2.0
[INFO] finished frobbing luthor-0.2.0
[INFO] frobbed toml for luthor-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/luthor/0.2.0/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 luthor-0.2.0 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-3/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/luthor/0.2.0:/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] c76f44026da732d1b4ae8ccf61b6e4f64f1349df9d9d866992de93bb7cbf3167
[INFO] running `"docker" "start" "-a" "c76f44026da732d1b4ae8ccf61b6e4f64f1349df9d9d866992de93bb7cbf3167"`
[INFO] [stderr]     Checking luthor v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/tokenizer.rs:256:17
[INFO] [stderr]     |
[INFO] [stderr] 256 |                 category: category,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `category`
[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/tokenizer.rs:256:17
[INFO] [stderr]     |
[INFO] [stderr] 256 |                 category: category,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `category`
[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: unneeded return statement
[INFO] [stderr]   --> src/lexers/xml.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     return Some(StateFunction(whitespace));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(StateFunction(whitespace))`
[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/lexers/xml.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     return Some(StateFunction(whitespace));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(StateFunction(whitespace))`
[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/lexers/xml.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     return Some(StateFunction(whitespace));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(StateFunction(whitespace))`
[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/lexers/xml.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     return Some(StateFunction(whitespace));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(StateFunction(whitespace))`
[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] error: this `if` has identical blocks
[INFO] [stderr]   --> src/lexers/ruby.rs:18:50
[INFO] [stderr]    |
[INFO] [stderr] 18 |       } else if tokenizer.starts_with_lexeme("if") {
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 19 | |         tokenizer.tokenize_next(2, Category::Keyword);
[INFO] [stderr] 20 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 21 | |     } else if tokenizer.starts_with_lexeme("end") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/lexers/ruby.rs:15:50
[INFO] [stderr]    |
[INFO] [stderr] 15 |       } else if tokenizer.starts_with_lexeme("do") {
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 16 | |         tokenizer.tokenize_next(2, Category::Keyword);
[INFO] [stderr] 17 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 18 | |     } else if tokenizer.starts_with_lexeme("if") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]  --> src/lexers/rust.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for keyword in vec!["pub", "let", "mut", "match", "loop"] {
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["pub", "let", "mut", "match", "loop"]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/lexers/rust.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |       } else if tokenizer.starts_with_lexeme("mod") {
[INFO] [stderr]    |  ___________________________________________________^
[INFO] [stderr] 21 | |         tokenizer.tokenize_next(3, Category::Keyword);
[INFO] [stderr] 22 | |         tokenizer.states.push(StateFunction(identifier));
[INFO] [stderr] 23 | |
[INFO] [stderr] 24 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 25 | |     } else if tokenizer.starts_with_lexeme("extern") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/lexers/rust.rs:15:44
[INFO] [stderr]    |
[INFO] [stderr] 15 |       if tokenizer.starts_with_lexeme("use") {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 16 | |         tokenizer.tokenize_next(3, Category::Keyword);
[INFO] [stderr] 17 | |         tokenizer.states.push(StateFunction(identifier));
[INFO] [stderr] 18 | |
[INFO] [stderr] 19 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 20 | |     } else if tokenizer.starts_with_lexeme("mod") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[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/tokenizer.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 | /         match self.data.next() {
[INFO] [stderr] 105 | |             Some(c) => self.current_token.push(c),
[INFO] [stderr] 106 | |             None => ()
[INFO] [stderr] 107 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(c) = self.data.next() { self.current_token.push(c) }`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/tokenizer.rs:130:29
[INFO] [stderr]     |
[INFO] [stderr] 130 |             Some(c) => Some(c.clone()),
[INFO] [stderr]     |                             ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]    --> src/tokenizer.rs:226:42
[INFO] [stderr]     |
[INFO] [stderr] 226 |         self.has_prefix(lexeme) && match data_iter.skip(lexeme.len()).next() {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `luthor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/lexers/ruby.rs:18:50
[INFO] [stderr]    |
[INFO] [stderr] 18 |       } else if tokenizer.starts_with_lexeme("if") {
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 19 | |         tokenizer.tokenize_next(2, Category::Keyword);
[INFO] [stderr] 20 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 21 | |     } else if tokenizer.starts_with_lexeme("end") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/lexers/ruby.rs:15:50
[INFO] [stderr]    |
[INFO] [stderr] 15 |       } else if tokenizer.starts_with_lexeme("do") {
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 16 | |         tokenizer.tokenize_next(2, Category::Keyword);
[INFO] [stderr] 17 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 18 | |     } else if tokenizer.starts_with_lexeme("if") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]  --> src/lexers/rust.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for keyword in vec!["pub", "let", "mut", "match", "loop"] {
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["pub", "let", "mut", "match", "loop"]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/lexers/rust.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |       } else if tokenizer.starts_with_lexeme("mod") {
[INFO] [stderr]    |  ___________________________________________________^
[INFO] [stderr] 21 | |         tokenizer.tokenize_next(3, Category::Keyword);
[INFO] [stderr] 22 | |         tokenizer.states.push(StateFunction(identifier));
[INFO] [stderr] 23 | |
[INFO] [stderr] 24 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 25 | |     } else if tokenizer.starts_with_lexeme("extern") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/lexers/rust.rs:15:44
[INFO] [stderr]    |
[INFO] [stderr] 15 |       if tokenizer.starts_with_lexeme("use") {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 16 | |         tokenizer.tokenize_next(3, Category::Keyword);
[INFO] [stderr] 17 | |         tokenizer.states.push(StateFunction(identifier));
[INFO] [stderr] 18 | |
[INFO] [stderr] 19 | |         return Some(StateFunction(whitespace))
[INFO] [stderr] 20 | |     } else if tokenizer.starts_with_lexeme("mod") {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[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/tokenizer.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 | /         match self.data.next() {
[INFO] [stderr] 105 | |             Some(c) => self.current_token.push(c),
[INFO] [stderr] 106 | |             None => ()
[INFO] [stderr] 107 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(c) = self.data.next() { self.current_token.push(c) }`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/tokenizer.rs:130:29
[INFO] [stderr]     |
[INFO] [stderr] 130 |             Some(c) => Some(c.clone()),
[INFO] [stderr]     |                             ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]    --> src/tokenizer.rs:226:42
[INFO] [stderr]     |
[INFO] [stderr] 226 |         self.has_prefix(lexeme) && match data_iter.skip(lexeme.len()).next() {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `luthor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c76f44026da732d1b4ae8ccf61b6e4f64f1349df9d9d866992de93bb7cbf3167"`
[INFO] running `"docker" "rm" "-f" "c76f44026da732d1b4ae8ccf61b6e4f64f1349df9d9d866992de93bb7cbf3167"`
[INFO] [stdout] c76f44026da732d1b4ae8ccf61b6e4f64f1349df9d9d866992de93bb7cbf3167