[INFO] updating cached repository matthieugouel/bjorn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matthieugouel/bjorn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matthieugouel/bjorn" "work/ex/clippy-test-run/sources/stable/gh/matthieugouel/bjorn"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/matthieugouel/bjorn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthieugouel/bjorn" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matthieugouel/bjorn"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matthieugouel/bjorn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28dd3ecd26410edc75150bf4c11dec69f7a6cc34
[INFO] sha for GitHub repo matthieugouel/bjorn: 28dd3ecd26410edc75150bf4c11dec69f7a6cc34
[INFO] validating manifest of matthieugouel/bjorn 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 matthieugouel/bjorn 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 matthieugouel/bjorn
[INFO] finished frobbing matthieugouel/bjorn
[INFO] frobbed toml for matthieugouel/bjorn written to work/ex/clippy-test-run/sources/stable/gh/matthieugouel/bjorn/Cargo.toml
[INFO] started frobbing matthieugouel/bjorn
[INFO] finished frobbing matthieugouel/bjorn
[INFO] frobbed toml for matthieugouel/bjorn written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matthieugouel/bjorn/Cargo.toml
[INFO] crate matthieugouel/bjorn 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 matthieugouel/bjorn against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/matthieugouel/bjorn:/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] 1793ecae3bdbeed5a6846d3172520676be1b81d358b58cd4fafd747e986a48a2
[INFO] running `"docker" "start" "-a" "1793ecae3bdbeed5a6846d3172520676be1b81d358b58cd4fafd747e986a48a2"`
[INFO] [stderr]     Checking bjorn v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/parser.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |         AST::Program {children: children}
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: replace it with: `children`
[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/parser.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             else_if_compounds: else_if_compounds,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `else_if_compounds`
[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/parser.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             else_compound: else_compound,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `else_compound`
[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/parser.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             identifier: identifier,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `identifier`
[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/parser.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             parameters: parameters,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parameters`
[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/parser.rs:166:20
[INFO] [stderr]     |
[INFO] [stderr] 166 |         AST::Bloc {children:children}
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ help: replace it with: `children`
[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/parser.rs:212:21
[INFO] [stderr]     |
[INFO] [stderr] 212 |                     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/parser.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     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/parser.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |         AST::Program {children: children}
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: replace it with: `children`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:247:34
[INFO] [stderr]     |
[INFO] [stderr] 247 |             AST::UnaryOperation {op: op, right: Box::new(right)}
[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]    = 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/parser.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 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/parser.rs:298:17
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 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/parser.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             else_if_compounds: else_if_compounds,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `else_if_compounds`
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 |                 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] 
[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/parser.rs:338:46
[INFO] [stderr]     |
[INFO] [stderr] 338 |             Token::INT(_) => AST::IntNumber {token: token},
[INFO] [stderr]     |                                              ^^^^^^^^^^^^ help: replace it with: `token`
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             else_compound: else_compound,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `else_compound`
[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]     |
[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/parser.rs:339:50
[INFO] [stderr]     |
[INFO] [stderr] 339 |             Token::FLOAT(_) => AST::FloatNumber {token: token},
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: replace it with: `token`
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             identifier: identifier,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `identifier`
[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]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             parameters: parameters,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parameters`
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:355:59
[INFO] [stderr]     |
[INFO] [stderr] 355 |                     AST::FunctionCall {identifier: token, arguments: arguments}
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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]     |
[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/parser.rs:166:20
[INFO] [stderr]     |
[INFO] [stderr] 166 |         AST::Bloc {children:children}
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ help: replace it with: `children`
[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/parser.rs:212:21
[INFO] [stderr]     |
[INFO] [stderr] 212 |                     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] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/interpreter.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Interpreter { parser: parser, memory: Memory::new(HashMap::new()) }
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     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/parser.rs:247:34
[INFO] [stderr]     |
[INFO] [stderr] 247 |             AST::UnaryOperation {op: op, right: Box::new(right)}
[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/parser.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 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/parser.rs:298:17
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 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/parser.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 |                 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/parser.rs:338:46
[INFO] [stderr]     |
[INFO] [stderr] 338 |             Token::INT(_) => AST::IntNumber {token: token},
[INFO] [stderr]     |                                              ^^^^^^^^^^^^ help: replace it with: `token`
[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/parser.rs:339:50
[INFO] [stderr]     |
[INFO] [stderr] 339 |             Token::FLOAT(_) => AST::FloatNumber {token: token},
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: replace it with: `token`
[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/parser.rs:355:59
[INFO] [stderr]     |
[INFO] [stderr] 355 |                     AST::FunctionCall {identifier: token, arguments: arguments}
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/interpreter.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Interpreter { parser: parser, memory: Memory::new(HashMap::new()) }
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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 matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/interpreter.rs:63:39
[INFO] [stderr]    |
[INFO] [stderr] 63 |             AST::FunctionDeclaration {identifier: _, parameters, body} => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]    = help: Try with `FunctionDeclaration { parameters, body, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/interpreter.rs:261:47
[INFO] [stderr]     |
[INFO] [stderr] 261 |                     AST::FunctionDeclaration {identifier: _, ref parameters, ..} => {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Try with `FunctionDeclaration { ref parameters, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/interpreter.rs:63:39
[INFO] [stderr]    |
[INFO] [stderr] 63 |             AST::FunctionDeclaration {identifier: _, parameters, body} => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]    = help: Try with `FunctionDeclaration { parameters, body, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/interpreter.rs:261:47
[INFO] [stderr]     |
[INFO] [stderr] 261 |                     AST::FunctionDeclaration {identifier: _, ref parameters, ..} => {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Try with `FunctionDeclaration { ref parameters, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/parser.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 | /         let node;
[INFO] [stderr] 172 | |         if *self.peek() == Token::RETURN {
[INFO] [stderr] 173 | |             node = self.return_statement();
[INFO] [stderr] 174 | |         } else {
[INFO] [stderr] 175 | |             node = self.expression_statement();
[INFO] [stderr] 176 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let node = if *self.peek() == Token::RETURN { self.return_statement() } else { self.expression_statement() };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 45
[INFO] [stderr]    --> src/interpreter.rs:46:5
[INFO] [stderr]     |
[INFO] [stderr] 46  | /     fn visit(&mut self, tree: AST) -> Value {
[INFO] [stderr] 47  | |         match tree {
[INFO] [stderr] 48  | |             AST::Program {children} => {
[INFO] [stderr] 49  | |                 // Return the value the last child mostly for testing purposes.
[INFO] [stderr] ...   |
[INFO] [stderr] 292 | |         }
[INFO] [stderr] 293 | |     }
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/interpreter.rs:244:74
[INFO] [stderr]     |
[INFO] [stderr] 244 |                                 Some(Value::BuiltinFunction(builtin)) => builtin.clone(),
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^ help: try dereferencing it: `*builtin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:62:62
[INFO] [stderr]    |
[INFO] [stderr] 62 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 + b),
[INFO] [stderr]    |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:63:66
[INFO] [stderr]    |
[INFO] [stderr] 63 |             (Value::Float(a), Value::Int(b)) => Value::Float(a + b as f64),
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:76:62
[INFO] [stderr]    |
[INFO] [stderr] 76 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 - b),
[INFO] [stderr]    |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:77:66
[INFO] [stderr]    |
[INFO] [stderr] 77 |             (Value::Float(a), Value::Int(b)) => Value::Float(a - b as f64),
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 * b),
[INFO] [stderr]    |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:91:66
[INFO] [stderr]    |
[INFO] [stderr] 91 |             (Value::Float(a), Value::Int(b)) => Value::Float(a * b as f64),
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:102:60
[INFO] [stderr]     |
[INFO] [stderr] 102 |             (Value::Int(a), Value::Int(b)) => Value::Float(a as f64 / b as f64),
[INFO] [stderr]     |                                                            ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:102:71
[INFO] [stderr]     |
[INFO] [stderr] 102 |             (Value::Int(a), Value::Int(b)) => Value::Float(a as f64 / b as f64),
[INFO] [stderr]     |                                                                       ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:104:62
[INFO] [stderr]     |
[INFO] [stderr] 104 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 / b),
[INFO] [stderr]     |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:105:66
[INFO] [stderr]     |
[INFO] [stderr] 105 |             (Value::Float(a), Value::Int(b)) => Value::Float(a / b as f64),
[INFO] [stderr]     |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:128:50
[INFO] [stderr]     |
[INFO] [stderr] 128 |             (Value::Int(a), Value::Float(b)) => &(*a as f64) == b,
[INFO] [stderr]     |                                                  ^^^^^^^^^^^ help: try: `f64::from(*a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:129:55
[INFO] [stderr]     |
[INFO] [stderr] 129 |             (Value::Float(a), Value::Int(b)) => a == &(*b as f64),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^ help: try: `f64::from(*b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:142:49
[INFO] [stderr]     |
[INFO] [stderr] 142 |             (Value::Int(a), Value::Float(b)) => (*a as f64).partial_cmp(b),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^ help: try: `f64::from(*a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:143:64
[INFO] [stderr]     |
[INFO] [stderr] 143 |             (Value::Float(a), Value::Int(b)) => a.partial_cmp(&(*b as f64)),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^ help: try: `f64::from(*b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `builtins::BuiltinsHandler`
[INFO] [stderr]   --> src/builtins.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | /     pub fn new() -> BuiltinsHandler {
[INFO] [stderr] 20 | |         BuiltinsHandler {builtins: HashMap::new()}
[INFO] [stderr] 21 | |     }
[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] 12 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/parser.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 | /         let node;
[INFO] [stderr] 172 | |         if *self.peek() == Token::RETURN {
[INFO] [stderr] 173 | |             node = self.return_statement();
[INFO] [stderr] 174 | |         } else {
[INFO] [stderr] 175 | |             node = self.expression_statement();
[INFO] [stderr] 176 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let node = if *self.peek() == Token::RETURN { self.return_statement() } else { self.expression_statement() };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 45
[INFO] [stderr]    --> src/interpreter.rs:46:5
[INFO] [stderr]     |
[INFO] [stderr] 46  | /     fn visit(&mut self, tree: AST) -> Value {
[INFO] [stderr] 47  | |         match tree {
[INFO] [stderr] 48  | |             AST::Program {children} => {
[INFO] [stderr] 49  | |                 // Return the value the last child mostly for testing purposes.
[INFO] [stderr] ...   |
[INFO] [stderr] 292 | |         }
[INFO] [stderr] 293 | |     }
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/interpreter.rs:244:74
[INFO] [stderr]     |
[INFO] [stderr] 244 |                                 Some(Value::BuiltinFunction(builtin)) => builtin.clone(),
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^ help: try dereferencing it: `*builtin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:62:62
[INFO] [stderr]    |
[INFO] [stderr] 62 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 + b),
[INFO] [stderr]    |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:63:66
[INFO] [stderr]    |
[INFO] [stderr] 63 |             (Value::Float(a), Value::Int(b)) => Value::Float(a + b as f64),
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:76:62
[INFO] [stderr]    |
[INFO] [stderr] 76 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 - b),
[INFO] [stderr]    |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:77:66
[INFO] [stderr]    |
[INFO] [stderr] 77 |             (Value::Float(a), Value::Int(b)) => Value::Float(a - b as f64),
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:90:62
[INFO] [stderr]    |
[INFO] [stderr] 90 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 * b),
[INFO] [stderr]    |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:91:66
[INFO] [stderr]    |
[INFO] [stderr] 91 |             (Value::Float(a), Value::Int(b)) => Value::Float(a * b as f64),
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:102:60
[INFO] [stderr]     |
[INFO] [stderr] 102 |             (Value::Int(a), Value::Int(b)) => Value::Float(a as f64 / b as f64),
[INFO] [stderr]     |                                                            ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:102:71
[INFO] [stderr]     |
[INFO] [stderr] 102 |             (Value::Int(a), Value::Int(b)) => Value::Float(a as f64 / b as f64),
[INFO] [stderr]     |                                                                       ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:104:62
[INFO] [stderr]     |
[INFO] [stderr] 104 |             (Value::Int(a), Value::Float(b)) => Value::Float(a as f64 / b),
[INFO] [stderr]     |                                                              ^^^^^^^^ help: try: `f64::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:105:66
[INFO] [stderr]     |
[INFO] [stderr] 105 |             (Value::Float(a), Value::Int(b)) => Value::Float(a / b as f64),
[INFO] [stderr]     |                                                                  ^^^^^^^^ help: try: `f64::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:128:50
[INFO] [stderr]     |
[INFO] [stderr] 128 |             (Value::Int(a), Value::Float(b)) => &(*a as f64) == b,
[INFO] [stderr]     |                                                  ^^^^^^^^^^^ help: try: `f64::from(*a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:129:55
[INFO] [stderr]     |
[INFO] [stderr] 129 |             (Value::Float(a), Value::Int(b)) => a == &(*b as f64),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^ help: try: `f64::from(*b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:142:49
[INFO] [stderr]     |
[INFO] [stderr] 142 |             (Value::Int(a), Value::Float(b)) => (*a as f64).partial_cmp(b),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^ help: try: `f64::from(*a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:143:64
[INFO] [stderr]     |
[INFO] [stderr] 143 |             (Value::Float(a), Value::Int(b)) => a.partial_cmp(&(*b as f64)),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^ help: try: `f64::from(*b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `builtins::BuiltinsHandler`
[INFO] [stderr]   --> src/builtins.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | /     pub fn new() -> BuiltinsHandler {
[INFO] [stderr] 20 | |         BuiltinsHandler {builtins: HashMap::new()}
[INFO] [stderr] 21 | |     }
[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] 12 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 69
[INFO] [stderr]   --> tests/comparisons.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / fn valid_comparisons() {
[INFO] [stderr] 5  | |     // Equal
[INFO] [stderr] 6  | |     assert_eq!(bjorn::interpret("1 == 1"), String::from("true"));
[INFO] [stderr] 7  | |     assert_eq!(bjorn::interpret("1 == 2"), String::from("false"));
[INFO] [stderr] ...  |
[INFO] [stderr] 85 | |     assert_eq!(bjorn::interpret("2.0 > 1.0"), String::from("true"));
[INFO] [stderr] 86 | | }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `"docker" "inspect" "1793ecae3bdbeed5a6846d3172520676be1b81d358b58cd4fafd747e986a48a2"`
[INFO] running `"docker" "rm" "-f" "1793ecae3bdbeed5a6846d3172520676be1b81d358b58cd4fafd747e986a48a2"`
[INFO] [stdout] 1793ecae3bdbeed5a6846d3172520676be1b81d358b58cd4fafd747e986a48a2