[INFO] updating cached repository cmoncrief/rust-morph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cmoncrief/rust-morph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cmoncrief/rust-morph" "work/ex/clippy-test-run/sources/stable/gh/cmoncrief/rust-morph"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/cmoncrief/rust-morph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cmoncrief/rust-morph" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cmoncrief/rust-morph"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cmoncrief/rust-morph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 565131a850e7a85a871055ffd792d27959887c37
[INFO] sha for GitHub repo cmoncrief/rust-morph: 565131a850e7a85a871055ffd792d27959887c37
[INFO] validating manifest of cmoncrief/rust-morph 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 cmoncrief/rust-morph 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 cmoncrief/rust-morph
[INFO] finished frobbing cmoncrief/rust-morph
[INFO] frobbed toml for cmoncrief/rust-morph written to work/ex/clippy-test-run/sources/stable/gh/cmoncrief/rust-morph/Cargo.toml
[INFO] started frobbing cmoncrief/rust-morph
[INFO] finished frobbing cmoncrief/rust-morph
[INFO] frobbed toml for cmoncrief/rust-morph written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cmoncrief/rust-morph/Cargo.toml
[INFO] crate cmoncrief/rust-morph 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 cmoncrief/rust-morph 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-0/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/cmoncrief/rust-morph:/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] aa49284442186ae7439a146f14931ccddf9c5882671014a0d802ced5153528c4
[INFO] running `"docker" "start" "-a" "aa49284442186ae7439a146f14931ccddf9c5882671014a0d802ced5153528c4"`
[INFO] [stderr]     Checking string_morph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/converter.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                     if index_char.0 > 1 && ONE_LETTER_WORDS.contains(&char_ref[index_char.0 - 1]) {
[INFO] [stderr] 73 | |                         if index_char.0 > 3 && output.chars().nth(output.len() - 2).unwrap() == ' ' {
[INFO] [stderr] 74 | |                             let c = output.pop().unwrap();
[INFO] [stderr] 75 | |                             output.push(c.to_ascii_lowercase());
[INFO] [stderr] 76 | |                         }
[INFO] [stderr] 77 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     if index_char.0 > 1 && ONE_LETTER_WORDS.contains(&char_ref[index_char.0 - 1]) && index_char.0 > 3 && output.chars().nth(output.len() - 2).unwrap() == ' ' {
[INFO] [stderr] 73 |     let c = output.pop().unwrap();
[INFO] [stderr] 74 |     output.push(c.to_ascii_lowercase());
[INFO] [stderr] 75 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/converter.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                     if index_char.0 > 1 && ONE_LETTER_WORDS.contains(&char_ref[index_char.0 - 1]) {
[INFO] [stderr] 73 | |                         if index_char.0 > 3 && output.chars().nth(output.len() - 2).unwrap() == ' ' {
[INFO] [stderr] 74 | |                             let c = output.pop().unwrap();
[INFO] [stderr] 75 | |                             output.push(c.to_ascii_lowercase());
[INFO] [stderr] 76 | |                         }
[INFO] [stderr] 77 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     if index_char.0 > 1 && ONE_LETTER_WORDS.contains(&char_ref[index_char.0 - 1]) && index_char.0 > 3 && output.chars().nth(output.len() - 2).unwrap() == ' ' {
[INFO] [stderr] 73 |     let c = output.pop().unwrap();
[INFO] [stderr] 74 |     output.push(c.to_ascii_lowercase());
[INFO] [stderr] 75 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii`
[INFO] [stderr]  --> src/converter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]    --> src/converter.rs:29:52
[INFO] [stderr]     |
[INFO] [stderr] 29  |       input.chars().enumerate().fold("".to_string(), |mut output, index_char| {
[INFO] [stderr]     |  ____________________________________________________^
[INFO] [stderr] 30  | |
[INFO] [stderr] 31  | |         cur_upper = index_char.1.is_uppercase();
[INFO] [stderr] 32  | |         cur_sep = SEPARATORS.contains(&index_char.1);
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |         output
[INFO] [stderr] 132 | |     })
[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: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/converter.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |         last_char = if index_char.0 == (len - 2) {true} else {false};
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `index_char.0 == (len - 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/converter.rs:129:20
[INFO] [stderr]     |
[INFO] [stderr] 129 |         prev_sep = if cur_sep || is_post_boundary {true} else {false};
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `cur_sep || is_post_boundary`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii`
[INFO] [stderr]  --> src/converter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]    --> src/converter.rs:29:52
[INFO] [stderr]     |
[INFO] [stderr] 29  |       input.chars().enumerate().fold("".to_string(), |mut output, index_char| {
[INFO] [stderr]     |  ____________________________________________________^
[INFO] [stderr] 30  | |
[INFO] [stderr] 31  | |         cur_upper = index_char.1.is_uppercase();
[INFO] [stderr] 32  | |         cur_sep = SEPARATORS.contains(&index_char.1);
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |         output
[INFO] [stderr] 132 | |     })
[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: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/converter.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |         last_char = if index_char.0 == (len - 2) {true} else {false};
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `index_char.0 == (len - 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/converter.rs:129:20
[INFO] [stderr]     |
[INFO] [stderr] 129 |         prev_sep = if cur_sep || is_post_boundary {true} else {false};
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `cur_sep || is_post_boundary`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `string_morph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aa49284442186ae7439a146f14931ccddf9c5882671014a0d802ced5153528c4"`
[INFO] running `"docker" "rm" "-f" "aa49284442186ae7439a146f14931ccddf9c5882671014a0d802ced5153528c4"`
[INFO] [stdout] aa49284442186ae7439a146f14931ccddf9c5882671014a0d802ced5153528c4