[INFO] updating cached repository Nanoteck137/Rust-Compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nanoteck137/Rust-Compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nanoteck137/Rust-Compiler" "work/ex/clippy-test-run/sources/stable/gh/Nanoteck137/Rust-Compiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Nanoteck137/Rust-Compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nanoteck137/Rust-Compiler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nanoteck137/Rust-Compiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nanoteck137/Rust-Compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dab658ae2a66cc6342762b434b750b65e689278a
[INFO] sha for GitHub repo Nanoteck137/Rust-Compiler: dab658ae2a66cc6342762b434b750b65e689278a
[INFO] validating manifest of Nanoteck137/Rust-Compiler 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 Nanoteck137/Rust-Compiler 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 Nanoteck137/Rust-Compiler
[INFO] finished frobbing Nanoteck137/Rust-Compiler
[INFO] frobbed toml for Nanoteck137/Rust-Compiler written to work/ex/clippy-test-run/sources/stable/gh/Nanoteck137/Rust-Compiler/Cargo.toml
[INFO] started frobbing Nanoteck137/Rust-Compiler
[INFO] finished frobbing Nanoteck137/Rust-Compiler
[INFO] frobbed toml for Nanoteck137/Rust-Compiler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nanoteck137/Rust-Compiler/Cargo.toml
[INFO] crate Nanoteck137/Rust-Compiler 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 Nanoteck137/Rust-Compiler 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/gh/Nanoteck137/Rust-Compiler:/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] 5a47ab63db4d43931fc75fb46eca44ec198c983e6060e365266e28510b35e30b
[INFO] running `"docker" "start" "-a" "5a47ab63db4d43931fc75fb46eca44ec198c983e6060e365266e28510b35e30b"`
[INFO] [stderr]     Checking rust_compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             at: at,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `at`
[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/main.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             tokenizer: tokenizer,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `tokenizer`
[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/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             at: at,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `at`
[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/main.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             tokenizer: tokenizer,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `tokenizer`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | /         return match self.at.chars().nth(self.index as usize) {
[INFO] [stderr] 41 | |             Some(c) => c,
[INFO] [stderr] 42 | |             None => '\0',
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 40 |         match self.at.chars().nth(self.index as usize) {
[INFO] [stderr] 41 |             Some(c) => c,
[INFO] [stderr] 42 |             None => '\0',
[INFO] [stderr] 43 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     return match c {
[INFO] [stderr] 65 | |         '\0' => Token::EOF,
[INFO] [stderr] 66 | |         '+'  => Token::Plus,
[INFO] [stderr] 67 | |         '-'  => Token::Minus,
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |         },
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 64 |     match c {
[INFO] [stderr] 65 |         '\0' => Token::EOF,
[INFO] [stderr] 66 |         '+'  => Token::Plus,
[INFO] [stderr] 67 |         '-'  => Token::Minus,
[INFO] [stderr] 68 |         '*'  => Token::Multiply,
[INFO] [stderr] 69 |         '/'  => Token::Divide,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 | /         return match self.op {
[INFO] [stderr] 166 | |             Token::Plus => self.left.eval() + self.right.eval(),
[INFO] [stderr] 167 | |             _ => {
[INFO] [stderr] 168 | |                 panic!("Unknown operation");
[INFO] [stderr] 169 | |             }
[INFO] [stderr] 170 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 165 |         match self.op {
[INFO] [stderr] 166 |             Token::Plus => self.left.eval() + self.right.eval(),
[INFO] [stderr] 167 |             _ => {
[INFO] [stderr] 168 |                 panic!("Unknown operation");
[INFO] [stderr] 169 |             }
[INFO] [stderr] 170 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 | /     return match state.current_token {
[INFO] [stderr] 190 | |         Token::Number(n) => {
[INFO] [stderr] 191 | |             let res = Box::new(ExprNumber { number: n });
[INFO] [stderr] 192 | |             state.get_token();
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |         }
[INFO] [stderr] 198 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 189 |     match state.current_token {
[INFO] [stderr] 190 |         Token::Number(n) => {
[INFO] [stderr] 191 |             let res = Box::new(ExprNumber { number: n });
[INFO] [stderr] 192 |             state.get_token();
[INFO] [stderr] 193 |             res
[INFO] [stderr] 194 |         },
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_all_tokens`
[INFO] [stderr]    --> src/main.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn get_all_tokens(tokenizer: &mut Tokenizer) -> Vec<Token> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 num += c.to_digit(10).unwrap() as f64;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(c.to_digit(10).unwrap())`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     num += c.to_digit(10).unwrap() as f64;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(c.to_digit(10).unwrap())`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | /         return match self.at.chars().nth(self.index as usize) {
[INFO] [stderr] 41 | |             Some(c) => c,
[INFO] [stderr] 42 | |             None => '\0',
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 40 |         match self.at.chars().nth(self.index as usize) {
[INFO] [stderr] 41 |             Some(c) => c,
[INFO] [stderr] 42 |             None => '\0',
[INFO] [stderr] 43 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     return match c {
[INFO] [stderr] 65 | |         '\0' => Token::EOF,
[INFO] [stderr] 66 | |         '+'  => Token::Plus,
[INFO] [stderr] 67 | |         '-'  => Token::Minus,
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |         },
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 64 |     match c {
[INFO] [stderr] 65 |         '\0' => Token::EOF,
[INFO] [stderr] 66 |         '+'  => Token::Plus,
[INFO] [stderr] 67 |         '-'  => Token::Minus,
[INFO] [stderr] 68 |         '*'  => Token::Multiply,
[INFO] [stderr] 69 |         '/'  => Token::Divide,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 | /         return match self.op {
[INFO] [stderr] 166 | |             Token::Plus => self.left.eval() + self.right.eval(),
[INFO] [stderr] 167 | |             _ => {
[INFO] [stderr] 168 | |                 panic!("Unknown operation");
[INFO] [stderr] 169 | |             }
[INFO] [stderr] 170 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 165 |         match self.op {
[INFO] [stderr] 166 |             Token::Plus => self.left.eval() + self.right.eval(),
[INFO] [stderr] 167 |             _ => {
[INFO] [stderr] 168 |                 panic!("Unknown operation");
[INFO] [stderr] 169 |             }
[INFO] [stderr] 170 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 | /     return match state.current_token {
[INFO] [stderr] 190 | |         Token::Number(n) => {
[INFO] [stderr] 191 | |             let res = Box::new(ExprNumber { number: n });
[INFO] [stderr] 192 | |             state.get_token();
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |         }
[INFO] [stderr] 198 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 189 |     match state.current_token {
[INFO] [stderr] 190 |         Token::Number(n) => {
[INFO] [stderr] 191 |             let res = Box::new(ExprNumber { number: n });
[INFO] [stderr] 192 |             state.get_token();
[INFO] [stderr] 193 |             res
[INFO] [stderr] 194 |         },
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_all_tokens`
[INFO] [stderr]    --> src/main.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn get_all_tokens(tokenizer: &mut Tokenizer) -> Vec<Token> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 num += c.to_digit(10).unwrap() as f64;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(c.to_digit(10).unwrap())`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     num += c.to_digit(10).unwrap() as f64;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(c.to_digit(10).unwrap())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "5a47ab63db4d43931fc75fb46eca44ec198c983e6060e365266e28510b35e30b"`
[INFO] running `"docker" "rm" "-f" "5a47ab63db4d43931fc75fb46eca44ec198c983e6060e365266e28510b35e30b"`
[INFO] [stdout] 5a47ab63db4d43931fc75fb46eca44ec198c983e6060e365266e28510b35e30b