[INFO] crate bfi 0.2.2 is already in cache
[INFO] extracting crate bfi 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/bfi/0.2.2
[INFO] extracting crate bfi 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bfi/0.2.2
[INFO] validating manifest of bfi-0.2.2 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 bfi-0.2.2 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 bfi-0.2.2
[INFO] finished frobbing bfi-0.2.2
[INFO] frobbed toml for bfi-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/bfi/0.2.2/Cargo.toml
[INFO] started frobbing bfi-0.2.2
[INFO] finished frobbing bfi-0.2.2
[INFO] frobbed toml for bfi-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bfi/0.2.2/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 bfi-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/bfi/0.2.2:/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] 901011b499d34f7d8cb0e6567c3ae07c2d8a439bb87b5d84e276b4334e8556a3
[INFO] running `"docker" "start" "-a" "901011b499d34f7d8cb0e6567c3ae07c2d8a439bb87b5d84e276b4334e8556a3"`
[INFO] [stderr]     Checking bfi v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/machine.rs:232:32
[INFO] [stderr]     |
[INFO] [stderr] 232 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 233 | |                             if jumps.len() > 0 {
[INFO] [stderr] 234 | |                                 let pos = jumps.pop().unwrap();
[INFO] [stderr] 235 | |                                 code_ptr = pos - 1
[INFO] [stderr] ...   |
[INFO] [stderr] 238 | |                             }
[INFO] [stderr] 239 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 232 |                         } else if jumps.len() > 0 {
[INFO] [stderr] 233 |     let pos = jumps.pop().unwrap();
[INFO] [stderr] 234 |     code_ptr = pos - 1
[INFO] [stderr] 235 | } else {
[INFO] [stderr] 236 |     return Err(BfError::Syntax(code_ptr));
[INFO] [stderr] 237 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/machine.rs:232:32
[INFO] [stderr]     |
[INFO] [stderr] 232 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 233 | |                             if jumps.len() > 0 {
[INFO] [stderr] 234 | |                                 let pos = jumps.pop().unwrap();
[INFO] [stderr] 235 | |                                 code_ptr = pos - 1
[INFO] [stderr] ...   |
[INFO] [stderr] 238 | |                             }
[INFO] [stderr] 239 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 232 |                         } else if jumps.len() > 0 {
[INFO] [stderr] 233 |     let pos = jumps.pop().unwrap();
[INFO] [stderr] 234 |     code_ptr = pos - 1
[INFO] [stderr] 235 | } else {
[INFO] [stderr] 236 |     return Err(BfError::Syntax(code_ptr));
[INFO] [stderr] 237 | }
[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/machine.rs:200:15
[INFO] [stderr]     |
[INFO] [stderr] 200 |         code: &Vec<Val>,
[INFO] [stderr]     |               ^^^^^^^^^ help: change this to: `&[Val]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/machine.rs:201:16
[INFO] [stderr]     |
[INFO] [stderr] 201 |         input: &Vec<Val>,
[INFO] [stderr]     |                ^^^^^^^^^ help: change this to: `&[Val]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/machine.rs:227:32
[INFO] [stderr]     |
[INFO] [stderr] 227 |                             if jumps.len() > 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!jumps.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/machine.rs:233:32
[INFO] [stderr]     |
[INFO] [stderr] 233 |                             if jumps.len() > 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!jumps.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/machine.rs:200:15
[INFO] [stderr]     |
[INFO] [stderr] 200 |         code: &Vec<Val>,
[INFO] [stderr]     |               ^^^^^^^^^ help: change this to: `&[Val]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/machine.rs:201:16
[INFO] [stderr]     |
[INFO] [stderr] 201 |         input: &Vec<Val>,
[INFO] [stderr]     |                ^^^^^^^^^ help: change this to: `&[Val]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/machine.rs:227:32
[INFO] [stderr]     |
[INFO] [stderr] 227 |                             if jumps.len() > 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!jumps.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/machine.rs:233:32
[INFO] [stderr]     |
[INFO] [stderr] 233 |                             if jumps.len() > 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!jumps.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "901011b499d34f7d8cb0e6567c3ae07c2d8a439bb87b5d84e276b4334e8556a3"`
[INFO] running `"docker" "rm" "-f" "901011b499d34f7d8cb0e6567c3ae07c2d8a439bb87b5d84e276b4334e8556a3"`
[INFO] [stdout] 901011b499d34f7d8cb0e6567c3ae07c2d8a439bb87b5d84e276b4334e8556a3