[INFO] updating cached repository isaacd9/ruthp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/isaacd9/ruthp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/isaacd9/ruthp" "work/ex/clippy-test-run/sources/stable/gh/isaacd9/ruthp"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/isaacd9/ruthp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/isaacd9/ruthp" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/isaacd9/ruthp"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/isaacd9/ruthp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 069864e864f964da48df590821807697b01e051e
[INFO] sha for GitHub repo isaacd9/ruthp: 069864e864f964da48df590821807697b01e051e
[INFO] validating manifest of isaacd9/ruthp 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 isaacd9/ruthp 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 isaacd9/ruthp
[INFO] finished frobbing isaacd9/ruthp
[INFO] frobbed toml for isaacd9/ruthp written to work/ex/clippy-test-run/sources/stable/gh/isaacd9/ruthp/Cargo.toml
[INFO] started frobbing isaacd9/ruthp
[INFO] finished frobbing isaacd9/ruthp
[INFO] frobbed toml for isaacd9/ruthp written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/isaacd9/ruthp/Cargo.toml
[INFO] crate isaacd9/ruthp 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 isaacd9/ruthp against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/isaacd9/ruthp:/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] 0560cc7a66d0b763c9ccf031beea72134e87feacc5fecece6307d0bcdd09fa98
[INFO] running `"docker" "start" "-a" "0560cc7a66d0b763c9ccf031beea72134e87feacc5fecece6307d0bcdd09fa98"`
[INFO] [stderr]     Checking lisp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     return match st {
[INFO] [stderr] 19 | |         "+" => Token::Operator(Operator::Plus),
[INFO] [stderr] 20 | |         _ => Token::Unknown
[INFO] [stderr] 21 | |     }
[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] 18 |     match st {
[INFO] [stderr] 19 |         "+" => Token::Operator(Operator::Plus),
[INFO] [stderr] 20 |         _ => Token::Unknown
[INFO] [stderr] 21 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     return replaced.split_whitespace().map(|ch| {
[INFO] [stderr] 27 | |         match ch.chars().next().unwrap() {
[INFO] [stderr] 28 | |             '(' => Token::LeftParen,
[INFO] [stderr] 29 | |             ')' => Token::RightParen,
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }).collect();
[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] 26 |     replaced.split_whitespace().map(|ch| {
[INFO] [stderr] 27 |         match ch.chars().next().unwrap() {
[INFO] [stderr] 28 |             '(' => Token::LeftParen,
[INFO] [stderr] 29 |             ')' => Token::RightParen,
[INFO] [stderr] 30 |             '+' | '-' | '*' | '/' => tokenize_operator(ch),
[INFO] [stderr] 31 |             '0' ... '9' => match ch.parse::<i32>() {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             return Result::Ok((vec![], rest.to_vec()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok((vec![], rest.to_vec()))`
[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/main.rs:77:15
[INFO] [stderr]    |
[INFO] [stderr] 77 |         _ =>  return Result::Err("parse error"),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Err("parse error")`
[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/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     return match st {
[INFO] [stderr] 19 | |         "+" => Token::Operator(Operator::Plus),
[INFO] [stderr] 20 | |         _ => Token::Unknown
[INFO] [stderr] 21 | |     }
[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] 18 |     match st {
[INFO] [stderr] 19 |         "+" => Token::Operator(Operator::Plus),
[INFO] [stderr] 20 |         _ => Token::Unknown
[INFO] [stderr] 21 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     return replaced.split_whitespace().map(|ch| {
[INFO] [stderr] 27 | |         match ch.chars().next().unwrap() {
[INFO] [stderr] 28 | |             '(' => Token::LeftParen,
[INFO] [stderr] 29 | |             ')' => Token::RightParen,
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }).collect();
[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] 26 |     replaced.split_whitespace().map(|ch| {
[INFO] [stderr] 27 |         match ch.chars().next().unwrap() {
[INFO] [stderr] 28 |             '(' => Token::LeftParen,
[INFO] [stderr] 29 |             ')' => Token::RightParen,
[INFO] [stderr] 30 |             '+' | '-' | '*' | '/' => tokenize_operator(ch),
[INFO] [stderr] 31 |             '0' ... '9' => match ch.parse::<i32>() {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             return Result::Ok((vec![], rest.to_vec()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Ok((vec![], rest.to_vec()))`
[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/main.rs:77:15
[INFO] [stderr]    |
[INFO] [stderr] 77 |         _ =>  return Result::Err("parse error"),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Result::Err("parse error")`
[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: variant is never constructed: `Add`
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "0560cc7a66d0b763c9ccf031beea72134e87feacc5fecece6307d0bcdd09fa98"`
[INFO] running `"docker" "rm" "-f" "0560cc7a66d0b763c9ccf031beea72134e87feacc5fecece6307d0bcdd09fa98"`
[INFO] [stdout] 0560cc7a66d0b763c9ccf031beea72134e87feacc5fecece6307d0bcdd09fa98