[INFO] crate conftaal 0.1.1 is already in cache
[INFO] extracting crate conftaal 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/conftaal/0.1.1
[INFO] extracting crate conftaal 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/conftaal/0.1.1
[INFO] validating manifest of conftaal-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 conftaal-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 conftaal-0.1.1
[INFO] finished frobbing conftaal-0.1.1
[INFO] frobbed toml for conftaal-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/conftaal/0.1.1/Cargo.toml
[INFO] started frobbing conftaal-0.1.1
[INFO] finished frobbing conftaal-0.1.1
[INFO] frobbed toml for conftaal-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/conftaal/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 conftaal-0.1.1 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-2/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/conftaal/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 -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] 449bb2aca5a5308e70b3dfab8d2f1a138274e41c144e983b9838afa515852460
[INFO] running `"docker" "start" "-a" "449bb2aca5a5308e70b3dfab8d2f1a138274e41c144e983b9838afa515852460"`
[INFO] [stderr]     Checking conftaal v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/parse/error.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 |             message: message,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `message`
[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/parse/mod.rs:93:6
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     op_source: op_source,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `op_source`
[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/parse/mod.rs:158:4
[INFO] [stderr]     |
[INFO] [stderr] 158 |             op_source: op_source,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `op_source`
[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/parse/mod.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 op: op,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `op`
[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/parse/error.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 |             message: message,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `message`
[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/parse/mod.rs:93:6
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     op_source: op_source,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `op_source`
[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/parse/mod.rs:158:4
[INFO] [stderr]     |
[INFO] [stderr] 158 |             op_source: op_source,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `op_source`
[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/parse/mod.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 op: op,
[INFO] [stderr]     |                 ^^^^^^ help: replace it with: `op`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/expression.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |           match self {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 32 | |             &Op::UnaryOp{op, ..} => Operator::Unary(op),
[INFO] [stderr] 33 | |             &Op::BinaryOp{op, ..} => Operator::Binary(op),
[INFO] [stderr] 34 | |         }
[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] 31 |         match *self {
[INFO] [stderr] 32 |             Op::UnaryOp{op, ..} => Operator::Unary(op),
[INFO] [stderr] 33 |             Op::BinaryOp{op, ..} => Operator::Binary(op),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/parse/consume.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |         ).unwrap_or(self.len());
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| self.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/parse/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / pub fn error<'a>(location: &'a [u8], message: String) -> Error<'a> {
[INFO] [stderr] 14 | |     Error{
[INFO] [stderr] 15 | |         message: Message{
[INFO] [stderr] 16 | |             message: message,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]  --> src/parse/whitespace.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 |         }).unwrap_or(src.len());
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| src.len())`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/parse/whitespace.rs:10:59
[INFO] [stderr]    |
[INFO] [stderr] 10 |             let comment_end = src.iter().position(|&b| b == b'\n').unwrap_or(src.len());
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| src.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parse/end.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |           if let &End::MatchingBracket(b, _) = self {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 56 | |             e.notes = vec![Message{
[INFO] [stderr] 57 | |                 message: format!("... to match this `{}'", b),
[INFO] [stderr] 58 | |                 location: Some(b.as_bytes())
[INFO] [stderr] 59 | |             }];
[INFO] [stderr] 60 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 55 |         if let End::MatchingBracket(b, _) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parse/end.rs:71:27
[INFO] [stderr]    |
[INFO] [stderr] 71 |         skip_whitespace(source, match self { &End::ElementEnd => false, _ => true });
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] 71 |         skip_whitespace(source, match *self { End::ElementEnd => false, _ => true });
[INFO] [stderr]    |                                       ^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/parse/mod.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |         -> Result<(Vec<Rc<Expression<'a>>>, Vec<Rc<Expression<'a>>>), Error<'a>>
[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: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parse/mod.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn parse_expression_atom<'b>(&mut self, end: &OptionalEnd<'a>) -> Result<Option<Expression<'a>>, Error<'a>> {
[INFO] [stderr]    |                              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parse/mod.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 |               if let &mut Expression::Op{ref mut parenthesized, ..} = &mut expr {
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 85 | |                 *parenthesized = true;
[INFO] [stderr] 86 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[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] 84 |             if let Expression::Op{ref mut parenthesized, ..} = *(&mut expr) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/expression.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |           match self {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 32 | |             &Op::UnaryOp{op, ..} => Operator::Unary(op),
[INFO] [stderr] 33 | |             &Op::BinaryOp{op, ..} => Operator::Binary(op),
[INFO] [stderr] 34 | |         }
[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] 31 |         match *self {
[INFO] [stderr] 32 |             Op::UnaryOp{op, ..} => Operator::Unary(op),
[INFO] [stderr] 33 |             Op::BinaryOp{op, ..} => Operator::Binary(op),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/parse/consume.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |         ).unwrap_or(self.len());
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| self.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/parse/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / pub fn error<'a>(location: &'a [u8], message: String) -> Error<'a> {
[INFO] [stderr] 14 | |     Error{
[INFO] [stderr] 15 | |         message: Message{
[INFO] [stderr] 16 | |             message: message,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]  --> src/parse/whitespace.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 |         }).unwrap_or(src.len());
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| src.len())`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/parse/whitespace.rs:10:59
[INFO] [stderr]    |
[INFO] [stderr] 10 |             let comment_end = src.iter().position(|&b| b == b'\n').unwrap_or(src.len());
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| src.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/parse/whitespace.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut s = "  ".as_bytes();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"  "`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/parse/whitespace.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut s = "a ".as_bytes();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"a "`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/parse/whitespace.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut s = "".as_bytes();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b""`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parse/end.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |           if let &End::MatchingBracket(b, _) = self {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 56 | |             e.notes = vec![Message{
[INFO] [stderr] 57 | |                 message: format!("... to match this `{}'", b),
[INFO] [stderr] 58 | |                 location: Some(b.as_bytes())
[INFO] [stderr] 59 | |             }];
[INFO] [stderr] 60 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 55 |         if let End::MatchingBracket(b, _) = *self {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parse/end.rs:71:27
[INFO] [stderr]    |
[INFO] [stderr] 71 |         skip_whitespace(source, match self { &End::ElementEnd => false, _ => true });
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] 71 |         skip_whitespace(source, match *self { End::ElementEnd => false, _ => true });
[INFO] [stderr]    |                                       ^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/parse/mod.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |         -> Result<(Vec<Rc<Expression<'a>>>, Vec<Rc<Expression<'a>>>), Error<'a>>
[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: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parse/mod.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn parse_expression_atom<'b>(&mut self, end: &OptionalEnd<'a>) -> Result<Option<Expression<'a>>, Error<'a>> {
[INFO] [stderr]    |                              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/parse/mod.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 |               if let &mut Expression::Op{ref mut parenthesized, ..} = &mut expr {
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 85 | |                 *parenthesized = true;
[INFO] [stderr] 86 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[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] 84 |             if let Expression::Op{ref mut parenthesized, ..} = *(&mut expr) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> tools/parse.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn format_list(list: &Vec<Rc<Expression>>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Rc<Expression>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> tools/parse.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn format_list(list: &Vec<Rc<Expression>>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Rc<Expression>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "449bb2aca5a5308e70b3dfab8d2f1a138274e41c144e983b9838afa515852460"`
[INFO] running `"docker" "rm" "-f" "449bb2aca5a5308e70b3dfab8d2f1a138274e41c144e983b9838afa515852460"`
[INFO] [stdout] 449bb2aca5a5308e70b3dfab8d2f1a138274e41c144e983b9838afa515852460