[INFO] crate words 0.1.2 is already in cache
[INFO] extracting crate words 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/words/0.1.2
[INFO] extracting crate words 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/words/0.1.2
[INFO] validating manifest of words-0.1.2 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 words-0.1.2 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 words-0.1.2
[INFO] finished frobbing words-0.1.2
[INFO] frobbed toml for words-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/words/0.1.2/Cargo.toml
[INFO] started frobbing words-0.1.2
[INFO] finished frobbing words-0.1.2
[INFO] frobbed toml for words-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/words/0.1.2/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 words-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/words/0.1.2:/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" "-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] fcc37facbebf372b38e0136ec85b5c558e68dc6446829b232dacc54f0b97aa05
[INFO] running `"docker" "start" "-a" "fcc37facbebf372b38e0136ec85b5c558e68dc6446829b232dacc54f0b97aa05"`
[INFO] [stderr]     Checking words v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/words.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Ok(x) => return self.words[x].clone(),  
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.words[x].clone()`
[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/words.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |             Err(_) => return "This list doesn't contain the word.".to_string()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"This list doesn't contain the word.".to_string()`
[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/words.rs:97:22
[INFO] [stderr]    |
[INFO] [stderr] 97 |             Ok(_) => return true,
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/words.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             Err(_) => return false
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: you should consider deriving a `Default` implementation for `Words`
[INFO] [stderr]   --> src/words.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     pub fn new() -> Words { // perhaps merge new and populate?
[INFO] [stderr] 35 | |         Words {
[INFO] [stderr] 36 | |             words: vec![]
[INFO] [stderr] 37 | |         }
[INFO] [stderr] 38 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/words.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Ok(x) => return self.words[x].clone(),  
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.words[x].clone()`
[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/words.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |             Err(_) => return "This list doesn't contain the word.".to_string()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"This list doesn't contain the word.".to_string()`
[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/words.rs:97:22
[INFO] [stderr]    |
[INFO] [stderr] 97 |             Ok(_) => return true,
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/words.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             Err(_) => return false
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: long literal lacking separators
[INFO] [stderr]    --> src/words.rs:123:33
[INFO] [stderr]     |
[INFO] [stderr] 123 |     assert!(wordy.words.len() > 200000)
[INFO] [stderr]     |                                 ^^^^^^ help: consider: `200_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Words`
[INFO] [stderr]   --> src/words.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     pub fn new() -> Words { // perhaps merge new and populate?
[INFO] [stderr] 35 | |         Words {
[INFO] [stderr] 36 | |             words: vec![]
[INFO] [stderr] 37 | |         }
[INFO] [stderr] 38 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/words.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |     assert!(wordy.words.len() == 0);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `wordy.words.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/words.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |     assert!(x == true);
[INFO] [stderr]     |             ^^^^^^^^^ help: try simplifying it as shown: `x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "fcc37facbebf372b38e0136ec85b5c558e68dc6446829b232dacc54f0b97aa05"`
[INFO] running `"docker" "rm" "-f" "fcc37facbebf372b38e0136ec85b5c558e68dc6446829b232dacc54f0b97aa05"`
[INFO] [stdout] fcc37facbebf372b38e0136ec85b5c558e68dc6446829b232dacc54f0b97aa05