[INFO] crate pest 2.0.2 is already in cache
[INFO] extracting crate pest 2.0.2 into work/ex/clippy-test-run/sources/stable/reg/pest/2.0.2
[INFO] extracting crate pest 2.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pest/2.0.2
[INFO] validating manifest of pest-2.0.2 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 pest-2.0.2 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 pest-2.0.2
[INFO] finished frobbing pest-2.0.2
[INFO] frobbed toml for pest-2.0.2 written to work/ex/clippy-test-run/sources/stable/reg/pest/2.0.2/Cargo.toml
[INFO] started frobbing pest-2.0.2
[INFO] finished frobbing pest-2.0.2
[INFO] frobbed toml for pest-2.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pest/2.0.2/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 pest-2.0.2 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-4/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/pest/2.0.2:/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] e8128c7827744af14f3303aef4a5c654db879bda3b7ec047cd8296f23025d9ce
[INFO] running `"docker" "start" "-a" "e8128c7827744af14f3303aef4a5c654db879bda3b7ec047cd8296f23025d9ce"`
[INFO] [stderr]     Checking pest v2.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/error.rs:97:48
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/error.rs:137:48
[INFO] [stderr]     |
[INFO] [stderr] 137 |     #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/unicode/mod.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(clippy))]
[INFO] [stderr]   |                                             ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/error.rs:97:48
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/error.rs:137:48
[INFO] [stderr]     |
[INFO] [stderr] 137 |     #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/unicode/mod.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(clippy))]
[INFO] [stderr]   |                                             ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/error.rs:97:48
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/error.rs:97:48
[INFO] [stderr]    |
[INFO] [stderr] 97 |     #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 30
[INFO] [stderr]    --> src/stack.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 | /     fn stack_ops() {
[INFO] [stderr] 140 | |         let mut stack = Stack::new();
[INFO] [stderr] 141 | |
[INFO] [stderr] 142 | |         // []
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |         assert_eq!(stack.pop(), None);
[INFO] [stderr] 208 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> examples/parens.rs:22:41
[INFO] [stderr]    |
[INFO] [stderr] 22 |             state.sequence(|s| s.repeat(|s| paren(s)).and_then(|s| s.end_of_input()))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: remove closure as shown: `paren`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> examples/parens.rs:33:64
[INFO] [stderr]    |
[INFO] [stderr] 33 |                                         .and_then(|s| s.repeat(|s| paren(s)))
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^ help: remove closure as shown: `paren`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:48:47
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                     .and_then(|s| primary(s))
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^ help: remove closure as shown: `primary`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:47:46
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                     .or_else(|s| power(s))
[INFO] [stderr]    |                                              ^^^^^^^^^^^^ help: remove closure as shown: `power`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:46:46
[INFO] [stderr]    |
[INFO] [stderr] 46 |                                     .or_else(|s| modulus(s))
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^ help: remove closure as shown: `modulus`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:45:46
[INFO] [stderr]    |
[INFO] [stderr] 45 |                                     .or_else(|s| divide(s))
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^ help: remove closure as shown: `divide`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:44:46
[INFO] [stderr]    |
[INFO] [stderr] 44 |                                     .or_else(|s| times(s))
[INFO] [stderr]    |                                              ^^^^^^^^^^^^ help: remove closure as shown: `times`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:43:46
[INFO] [stderr]    |
[INFO] [stderr] 43 |                                     .or_else(|s| minus(s))
[INFO] [stderr]    |                                              ^^^^^^^^^^^^ help: remove closure as shown: `minus`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 .or_else(|s| number(s))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: remove closure as shown: `number`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/calculator.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         .and_then(|s| expression(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `expression`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 57
[INFO] [stderr]    --> tests/calculator.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / fn expression() {
[INFO] [stderr] 165 | |     parses_to! {
[INFO] [stderr] 166 | |         parser: CalculatorParser,
[INFO] [stderr] 167 | |         input: "-12+3*(4-9)^7^2",
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |     };
[INFO] [stderr] 187 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:51:35
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         .and_then(|s| pair(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `pair`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:59:51
[INFO] [stderr]    |
[INFO] [stderr] 59 |                                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:58:51
[INFO] [stderr]    |
[INFO] [stderr] 58 |                                         .and_then(|s| pair(s))
[INFO] [stderr]    |                                                   ^^^^^^^^^^^ help: remove closure as shown: `pair`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:57:51
[INFO] [stderr]    |
[INFO] [stderr] 57 |                                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:67:39
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             .and_then(|s| skip(s))
[INFO] [stderr]    |                                       ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |                         .and_then(|s| value(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: remove closure as shown: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:92:35
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:91:35
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         .and_then(|s| value(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: remove closure as shown: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:90:35
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:99:51
[INFO] [stderr]    |
[INFO] [stderr] 99 |                                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:98:51
[INFO] [stderr]    |
[INFO] [stderr] 98 |                                         .and_then(|s| value(s))
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: remove closure as shown: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> tests/json.rs:97:51
[INFO] [stderr]    |
[INFO] [stderr] 97 |                                         .and_then(|s| skip(s))
[INFO] [stderr]    |                                                   ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:107:39
[INFO] [stderr]     |
[INFO] [stderr] 107 |                             .and_then(|s| skip(s))
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: remove closure as shown: `skip`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:121:30
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     .or_else(|s| null(s))
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: remove closure as shown: `null`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:120:30
[INFO] [stderr]     |
[INFO] [stderr] 120 |                     .or_else(|s| bool(s))
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: remove closure as shown: `bool`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |                     .or_else(|s| array(s))
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: remove closure as shown: `array`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:118:30
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     .or_else(|s| object(s))
[INFO] [stderr]     |                              ^^^^^^^^^^^^^ help: remove closure as shown: `object`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     .or_else(|s| number(s))
[INFO] [stderr]     |                              ^^^^^^^^^^^^^ help: remove closure as shown: `number`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:154:34
[INFO] [stderr]     |
[INFO] [stderr] 154 |                         .or_else(|s| unicode(s))
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: remove closure as shown: `unicode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:164:31
[INFO] [stderr]     |
[INFO] [stderr] 164 |                     .and_then(|s| hex(s))
[INFO] [stderr]     |                               ^^^^^^^^^^ help: remove closure as shown: `hex`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     .and_then(|s| hex(s))
[INFO] [stderr]     |                               ^^^^^^^^^^ help: remove closure as shown: `hex`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:162:31
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     .and_then(|s| hex(s))
[INFO] [stderr]     |                               ^^^^^^^^^^ help: remove closure as shown: `hex`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:179:35
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         .and_then(|s| int(s))
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: remove closure as shown: `int`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:187:50
[INFO] [stderr]     |
[INFO] [stderr] 187 |                                         .or_else(|s| exp(s))
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: remove closure as shown: `exp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:186:66
[INFO] [stderr]     |
[INFO] [stderr] 186 |                                         .and_then(|s| s.optional(|s| exp(s)))
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: remove closure as shown: `exp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> tests/json.rs:211:31
[INFO] [stderr]     |
[INFO] [stderr] 211 |                     .and_then(|s| int(s))
[INFO] [stderr]     |                               ^^^^^^^^^^ help: remove closure as shown: `int`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 57
[INFO] [stderr]    --> tests/json.rs:393:1
[INFO] [stderr]     |
[INFO] [stderr] 393 | / fn array() {
[INFO] [stderr] 394 | |     parses_to! {
[INFO] [stderr] 395 | |         parser: JsonParser,
[INFO] [stderr] 396 | |         input: "[0.0e1, false, null, \"a\", [0]]",
[INFO] [stderr] ...   |
[INFO] [stderr] 411 | |     };
[INFO] [stderr] 412 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 57
[INFO] [stderr]    --> tests/json.rs:415:1
[INFO] [stderr]     |
[INFO] [stderr] 415 | / fn object() {
[INFO] [stderr] 416 | |     parses_to! {
[INFO] [stderr] 417 | |         parser: JsonParser,
[INFO] [stderr] 418 | |         input: "{\"a\" : 3, \"b\" : [{}, 3]}",
[INFO] [stderr] ...   |
[INFO] [stderr] 437 | |     };
[INFO] [stderr] 438 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> tests/json.rs:451:5
[INFO] [stderr]     |
[INFO] [stderr] 451 | /     match ast {
[INFO] [stderr] 452 | |         Json::Object(pairs) => {
[INFO] [stderr] 453 | |             let vals: Vec<&Json> = pairs.values().collect();
[INFO] [stderr] 454 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 460 | |         _ => {}
[INFO] [stderr] 461 | |     }
[INFO] [stderr]     | |_____^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 451 |     if let Json::Object(pairs) = ast {
[INFO] [stderr] 452 |     let vals: Vec<&Json> = pairs.values().collect();
[INFO] [stderr] 453 | 
[INFO] [stderr] 454 |     assert_eq!(
[INFO] [stderr] 455 |         **vals.get(0).unwrap(),
[INFO] [stderr] 456 |         Json::Array(vec![Json::Null, Json::Bool(true), Json::Number(3.4)])
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> tests/json.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |                 **vals.get(0).unwrap(),
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: try this: `&vals[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `"docker" "inspect" "e8128c7827744af14f3303aef4a5c654db879bda3b7ec047cd8296f23025d9ce"`
[INFO] running `"docker" "rm" "-f" "e8128c7827744af14f3303aef4a5c654db879bda3b7ec047cd8296f23025d9ce"`
[INFO] [stdout] e8128c7827744af14f3303aef4a5c654db879bda3b7ec047cd8296f23025d9ce