[INFO] crate lexpar 0.1.0 is already in cache
[INFO] extracting crate lexpar 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/lexpar/0.1.0
[INFO] extracting crate lexpar 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lexpar/0.1.0
[INFO] validating manifest of lexpar-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 lexpar-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 lexpar-0.1.0
[INFO] finished frobbing lexpar-0.1.0
[INFO] frobbed toml for lexpar-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/lexpar/0.1.0/Cargo.toml
[INFO] started frobbing lexpar-0.1.0
[INFO] finished frobbing lexpar-0.1.0
[INFO] frobbed toml for lexpar-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lexpar/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 lexpar-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lexpar/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" "-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] c7ec3b4e13f4fe0413d8134c1a07f3fc4a6e2048a0faa14d21818eb429a92ac7
[INFO] running `"docker" "start" "-a" "c7ec3b4e13f4fe0413d8134c1a07f3fc4a6e2048a0faa14d21818eb429a92ac7"`
[INFO] [stderr]     Checking lexpar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lexer.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             lo: lo,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `lo`
[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/lexer.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             hi: hi,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `hi`
[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/lexer.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             line: line
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `line`
[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/lexer.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 arms: arms,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `arms`
[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/lexer.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             lo: lo,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `lo`
[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/lexer.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             hi: hi,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `hi`
[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/lexer.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             line: line
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `line`
[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/lexer.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 arms: arms,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `arms`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lexer.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     handle: Box<for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lexer.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |     unknown: Box<for<'a> Fn(Span, &'a str) -> T>
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lexer.rs:117:26
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn new<F>(rules: Vec<(&str, Box<for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use as_ref() instead
[INFO] [stderr]    --> src/parser.rs:591:9
[INFO] [stderr]     |
[INFO] [stderr] 591 | /         match self.head {
[INFO] [stderr] 592 | |             Some(ref item) => Some(item),
[INFO] [stderr] 593 | |             None => self.iter.peek()
[INFO] [stderr] 594 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self.head.as_ref()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_as_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lexer.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     handle: Box<for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lexer.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |     unknown: Box<for<'a> Fn(Span, &'a str) -> T>
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lexer.rs:117:26
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn new<F>(rules: Vec<(&str, Box<for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use as_ref() instead
[INFO] [stderr]    --> src/parser.rs:591:9
[INFO] [stderr]     |
[INFO] [stderr] 591 | /         match self.head {
[INFO] [stderr] 592 | |             Some(ref item) => Some(item),
[INFO] [stderr] 593 | |             None => self.iter.peek()
[INFO] [stderr] 594 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self.head.as_ref()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_as_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> tests/parser.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     const EXM_STR: &'static str = "!";
[INFO] [stderr]    |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> examples/ml_family/parser/transform.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         if let &Token::Whitespace(ref string) = self {
[INFO] [stderr] 13 | |             let mut chars = string.chars();
[INFO] [stderr] 14 | |             if let Some('\n') = chars.next() {
[INFO] [stderr] 15 | |                 return Some(chars.fold(0, |acc, c| match c {
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |             }
[INFO] [stderr] 21 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 12 |         if let Token::Whitespace(ref string) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> examples/ml_family/parser/transform.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     let last = self.blocks.last().unwrap().clone();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.blocks.last().unwrap()`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `"docker" "inspect" "c7ec3b4e13f4fe0413d8134c1a07f3fc4a6e2048a0faa14d21818eb429a92ac7"`
[INFO] running `"docker" "rm" "-f" "c7ec3b4e13f4fe0413d8134c1a07f3fc4a6e2048a0faa14d21818eb429a92ac7"`
[INFO] [stdout] c7ec3b4e13f4fe0413d8134c1a07f3fc4a6e2048a0faa14d21818eb429a92ac7