[INFO] updating cached repository ThatOtherPerson/forth
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ThatOtherPerson/forth
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ThatOtherPerson/forth" "work/ex/clippy-test-run/sources/stable/gh/ThatOtherPerson/forth"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ThatOtherPerson/forth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThatOtherPerson/forth" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ThatOtherPerson/forth"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ThatOtherPerson/forth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f2eb40633f3710e75ca391e9c7055a695ea1c31
[INFO] sha for GitHub repo ThatOtherPerson/forth: 9f2eb40633f3710e75ca391e9c7055a695ea1c31
[INFO] validating manifest of ThatOtherPerson/forth 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 ThatOtherPerson/forth 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 ThatOtherPerson/forth
[INFO] finished frobbing ThatOtherPerson/forth
[INFO] frobbed toml for ThatOtherPerson/forth written to work/ex/clippy-test-run/sources/stable/gh/ThatOtherPerson/forth/Cargo.toml
[INFO] started frobbing ThatOtherPerson/forth
[INFO] finished frobbing ThatOtherPerson/forth
[INFO] frobbed toml for ThatOtherPerson/forth written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ThatOtherPerson/forth/Cargo.toml
[INFO] crate ThatOtherPerson/forth 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 ThatOtherPerson/forth 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/gh/ThatOtherPerson/forth:/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] 4b50b2d8aa85aa134e06d99973b2c4f8db0a13e881933915da14e275fd69ff5d
[INFO] running `"docker" "start" "-a" "4b50b2d8aa85aa134e06d99973b2c4f8db0a13e881933915da14e275fd69ff5d"`
[INFO] [stderr]     Checking forth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `unary_word`
[INFO] [stderr]   --> src/stdlib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     F: FnMut(i32) -> i32,
[INFO] [stderr] 14 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         .ok_or("Stack underflow".to_string())
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]  --> src/stdlib.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |         .ok_or("Stack underflow".to_string())
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     success.ok_or("Stack underflow".to_string())
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:70:34
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:82:35
[INFO] [stderr]    |
[INFO] [stderr] 82 |       let name = try!(forth.parse().ok_or(
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 83 | |         "Attempt to use zero-length string as name".to_string(),
[INFO] [stderr] 84 | |     ));
[INFO] [stderr]    | |_____^ help: try this: `ok_or_else(|| "Attempt to use zero-length string as name".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]    --> src/stdlib.rs:106:38
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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/lib.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match self {
[INFO] [stderr] 16 | |             &Word::Native(callback) => Word::Native(callback),
[INFO] [stderr] 17 | |             &Word::Colon(ref definition) => Word::Colon(definition.clone()),
[INFO] [stderr] 18 | |             &Word::Number(num) => Word::Number(num),
[INFO] [stderr] 19 | |         }
[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] 15 |         match *self {
[INFO] [stderr] 16 |             Word::Native(callback) => Word::Native(callback),
[INFO] [stderr] 17 |             Word::Colon(ref definition) => Word::Colon(definition.clone()),
[INFO] [stderr] 18 |             Word::Number(num) => Word::Number(num),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Runtime`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn new() -> Runtime {
[INFO] [stderr] 31 | |         let mut forth = Runtime {
[INFO] [stderr] 32 | |             input: VecDeque::new(),
[INFO] [stderr] 33 | |             dictionary: HashMap::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |         forth
[INFO] [stderr] 40 | |     }
[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] 23 | #[derive(Default)]
[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]   --> src/lib.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn prepend_names(&mut self, names: &Vec<String>) {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: use of `or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:68:59
[INFO] [stderr]    |
[INFO] [stderr] 68 |                   name.parse().map(|num| Word::Number(num)).or(Err(format!(
[INFO] [stderr]    |  ___________________________________________________________^
[INFO] [stderr] 69 | |                     "Undefined word \"{}\"",
[INFO] [stderr] 70 | |                     name
[INFO] [stderr] 71 | |                 )))
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 name.parse().map(|num| Word::Number(num)).or_else(|_| Err(format!(
[INFO] [stderr] 69 |                     "Undefined word \"{}\"",
[INFO] [stderr] 70 |                     name
[INFO] [stderr] 71 |                 )))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/lib.rs:68:34
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 name.parse().map(|num| Word::Number(num)).or(Err(format!(
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Word::Number`
[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 pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/lib.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |               if let Err(_) = result {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 83 | |                 self.input.clear();
[INFO] [stderr] 84 | |                 return result;
[INFO] [stderr] 85 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if result.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         match word {
[INFO] [stderr] 97  | |             &Word::Native(callback) => callback(self),
[INFO] [stderr] 98  | |             &Word::Colon(ref definition) => {
[INFO] [stderr] 99  | |                 self.prepend_names(definition);
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             }
[INFO] [stderr] 106 | |         }
[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] 96  |         match *word {
[INFO] [stderr] 97  |             Word::Native(callback) => callback(self),
[INFO] [stderr] 98  |             Word::Colon(ref definition) => {
[INFO] [stderr] 99  |                 self.prepend_names(definition);
[INFO] [stderr] 100 |                 Ok(())
[INFO] [stderr] 101 |             }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary_word`
[INFO] [stderr]   --> src/stdlib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     F: FnMut(i32) -> i32,
[INFO] [stderr] 14 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         .ok_or("Stack underflow".to_string())
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]  --> src/stdlib.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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: use of `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |         .ok_or("Stack underflow".to_string())
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     success.ok_or("Stack underflow".to_string())
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:70:34
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]   --> src/stdlib.rs:82:35
[INFO] [stderr]    |
[INFO] [stderr] 82 |       let name = try!(forth.parse().ok_or(
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 83 | |         "Attempt to use zero-length string as name".to_string(),
[INFO] [stderr] 84 | |     ));
[INFO] [stderr]    | |_____^ help: try this: `ok_or_else(|| "Attempt to use zero-length string as name".to_string())`
[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 `ok_or` followed by a function call
[INFO] [stderr]    --> src/stdlib.rs:106:38
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| "Stack underflow".to_string())`
[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/lib.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match self {
[INFO] [stderr] 16 | |             &Word::Native(callback) => Word::Native(callback),
[INFO] [stderr] 17 | |             &Word::Colon(ref definition) => Word::Colon(definition.clone()),
[INFO] [stderr] 18 | |             &Word::Number(num) => Word::Number(num),
[INFO] [stderr] 19 | |         }
[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] 15 |         match *self {
[INFO] [stderr] 16 |             Word::Native(callback) => Word::Native(callback),
[INFO] [stderr] 17 |             Word::Colon(ref definition) => Word::Colon(definition.clone()),
[INFO] [stderr] 18 |             Word::Number(num) => Word::Number(num),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Runtime`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn new() -> Runtime {
[INFO] [stderr] 31 | |         let mut forth = Runtime {
[INFO] [stderr] 32 | |             input: VecDeque::new(),
[INFO] [stderr] 33 | |             dictionary: HashMap::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |         forth
[INFO] [stderr] 40 | |     }
[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] 23 | #[derive(Default)]
[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]   --> src/lib.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn prepend_names(&mut self, names: &Vec<String>) {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: use of `or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:68:59
[INFO] [stderr]    |
[INFO] [stderr] 68 |                   name.parse().map(|num| Word::Number(num)).or(Err(format!(
[INFO] [stderr]    |  ___________________________________________________________^
[INFO] [stderr] 69 | |                     "Undefined word \"{}\"",
[INFO] [stderr] 70 | |                     name
[INFO] [stderr] 71 | |                 )))
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 name.parse().map(|num| Word::Number(num)).or_else(|_| Err(format!(
[INFO] [stderr] 69 |                     "Undefined word \"{}\"",
[INFO] [stderr] 70 |                     name
[INFO] [stderr] 71 |                 )))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/lib.rs:68:34
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 name.parse().map(|num| Word::Number(num)).or(Err(format!(
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Word::Number`
[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 pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/lib.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |               if let Err(_) = result {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 83 | |                 self.input.clear();
[INFO] [stderr] 84 | |                 return result;
[INFO] [stderr] 85 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if result.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         match word {
[INFO] [stderr] 97  | |             &Word::Native(callback) => callback(self),
[INFO] [stderr] 98  | |             &Word::Colon(ref definition) => {
[INFO] [stderr] 99  | |                 self.prepend_names(definition);
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             }
[INFO] [stderr] 106 | |         }
[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] 96  |         match *word {
[INFO] [stderr] 97  |             Word::Native(callback) => callback(self),
[INFO] [stderr] 98  |             Word::Colon(ref definition) => {
[INFO] [stderr] 99  |                 self.prepend_names(definition);
[INFO] [stderr] 100 |                 Ok(())
[INFO] [stderr] 101 |             }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "4b50b2d8aa85aa134e06d99973b2c4f8db0a13e881933915da14e275fd69ff5d"`
[INFO] running `"docker" "rm" "-f" "4b50b2d8aa85aa134e06d99973b2c4f8db0a13e881933915da14e275fd69ff5d"`
[INFO] [stdout] 4b50b2d8aa85aa134e06d99973b2c4f8db0a13e881933915da14e275fd69ff5d