[INFO] crate bender 0.1.0 is already in cache
[INFO] extracting crate bender 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/bender/0.1.0
[INFO] extracting crate bender 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bender/0.1.0
[INFO] validating manifest of bender-0.1.0 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 bender-0.1.0 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 bender-0.1.0
[INFO] finished frobbing bender-0.1.0
[INFO] frobbed toml for bender-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/bender/0.1.0/Cargo.toml
[INFO] started frobbing bender-0.1.0
[INFO] finished frobbing bender-0.1.0
[INFO] frobbed toml for bender-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bender/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting bender-0.1.0 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/reg/bender/0.1.0:/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] 491d837b3bf696f75e473b578fcbeabb57522e1504d1d6fcba9065559153fa80
[INFO] running `"docker" "start" "-a" "491d837b3bf696f75e473b578fcbeabb57522e1504d1d6fcba9065559153fa80"`
[INFO] [stderr]     Checking moore-svlog-syntax v0.1.0
[INFO] [stderr]     Checking moore-svlog-hir v0.1.0
[INFO] [stderr]     Checking moore-svlog v0.1.0
[INFO] [stderr]     Checking bender v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         return len + indent - rem;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `len + indent - rem`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     return ast;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `ast`
[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: redundant closure found
[INFO] [stderr]   --> src/main.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |         .unwrap_or_else(|| Vec::new());
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: remove closure as shown: `Vec::new`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 | /             match std::fs::File::open(filename) {
[INFO] [stderr] 57 | |                 Err(e) => {
[INFO] [stderr] 58 | |                     println!("Could not open `{}': {}.", filename, e.description());
[INFO] [stderr] 59 | |                     return;
[INFO] [stderr] 60 | |                 }
[INFO] [stderr] 61 | |                 _ => (),
[INFO] [stderr] 62 | |             };
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 56 |             if let Err(e) = std::fs::File::open(filename) {
[INFO] [stderr] 57 |     println!("Could not open `{}': {}.", filename, e.description());
[INFO] [stderr] 58 |     return;
[INFO] [stderr] 59 | };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         return len + indent - rem;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `len + indent - rem`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     return ast;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `ast`
[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: redundant closure found
[INFO] [stderr]   --> src/main.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |         .unwrap_or_else(|| Vec::new());
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: remove closure as shown: `Vec::new`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 | /             match std::fs::File::open(filename) {
[INFO] [stderr] 57 | |                 Err(e) => {
[INFO] [stderr] 58 | |                     println!("Could not open `{}': {}.", filename, e.description());
[INFO] [stderr] 59 | |                     return;
[INFO] [stderr] 60 | |                 }
[INFO] [stderr] 61 | |                 _ => (),
[INFO] [stderr] 62 | |             };
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 56 |             if let Err(e) = std::fs::File::open(filename) {
[INFO] [stderr] 57 |     println!("Could not open `{}': {}.", filename, e.description());
[INFO] [stderr] 58 |     return;
[INFO] [stderr] 59 | };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `"docker" "inspect" "491d837b3bf696f75e473b578fcbeabb57522e1504d1d6fcba9065559153fa80"`
[INFO] running `"docker" "rm" "-f" "491d837b3bf696f75e473b578fcbeabb57522e1504d1d6fcba9065559153fa80"`
[INFO] [stdout] 491d837b3bf696f75e473b578fcbeabb57522e1504d1d6fcba9065559153fa80