[INFO] crate hex-utils 0.1.12 is already in cache
[INFO] extracting crate hex-utils 0.1.12 into work/ex/clippy-test-run/sources/stable/reg/hex-utils/0.1.12
[INFO] extracting crate hex-utils 0.1.12 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hex-utils/0.1.12
[INFO] validating manifest of hex-utils-0.1.12 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 hex-utils-0.1.12 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 hex-utils-0.1.12
[INFO] finished frobbing hex-utils-0.1.12
[INFO] frobbed toml for hex-utils-0.1.12 written to work/ex/clippy-test-run/sources/stable/reg/hex-utils/0.1.12/Cargo.toml
[INFO] started frobbing hex-utils-0.1.12
[INFO] finished frobbing hex-utils-0.1.12
[INFO] frobbed toml for hex-utils-0.1.12 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hex-utils/0.1.12/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 hex-utils-0.1.12 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hex-utils/0.1.12:/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] 9d26373e1fc9390ff885e4f20bde5781a38ab7d3e928ecbbc489e412b5b6fc70
[INFO] running `"docker" "start" "-a" "9d26373e1fc9390ff885e4f20bde5781a38ab7d3e928ecbbc489e412b5b6fc70"`
[INFO] [stderr]     Checking hex-utils v0.1.12 (/opt/crater/workdir)
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lib.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn formatter(&self) -> Box<Fn( (usize, String, Option<String>)) -> String> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `pack`
[INFO] [stderr]    --> src/lib.rs:139:38
[INFO] [stderr]     |
[INFO] [stderr] 139 |                             for i in 0..pack.len() {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 139 |                             for (i, <item>) in pack.iter_mut().enumerate() {
[INFO] [stderr]     |                                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/lib.rs:146:29
[INFO] [stderr]     |
[INFO] [stderr] 146 | /                             match ascii {
[INFO] [stderr] 147 | |                                 Some(ref mut ascii) => {
[INFO] [stderr] 148 | |                                     if 32<= c && c < 127 {
[INFO] [stderr] 149 | |                                         let _ = write!(ascii, "{}", c as char);
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |                                 None => (),
[INFO] [stderr] 155 | |                             }
[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] 146 |                             if let Some(ref mut ascii) = ascii {
[INFO] [stderr] 147 |     if 32<= c && c < 127 {
[INFO] [stderr] 148 |         let _ = write!(ascii, "{}", c as char);
[INFO] [stderr] 149 |     } else {
[INFO] [stderr] 150 |         let _ = write!(ascii, "{}", self.format.ascii_none);
[INFO] [stderr] 151 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:230:33
[INFO] [stderr]     |
[INFO] [stderr] 230 |     xxd(data, Some(format)).map(|line| fmt(line)).fold(String::new(), |mut res, line| {let _ = writeln!(&mut res, "{}", line);res})
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: remove closure as shown: `fmt`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lib.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn formatter(&self) -> Box<Fn( (usize, String, Option<String>)) -> String> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `pack`
[INFO] [stderr]    --> src/lib.rs:139:38
[INFO] [stderr]     |
[INFO] [stderr] 139 |                             for i in 0..pack.len() {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 139 |                             for (i, <item>) in pack.iter_mut().enumerate() {
[INFO] [stderr]     |                                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/lib.rs:146:29
[INFO] [stderr]     |
[INFO] [stderr] 146 | /                             match ascii {
[INFO] [stderr] 147 | |                                 Some(ref mut ascii) => {
[INFO] [stderr] 148 | |                                     if 32<= c && c < 127 {
[INFO] [stderr] 149 | |                                         let _ = write!(ascii, "{}", c as char);
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |                                 None => (),
[INFO] [stderr] 155 | |                             }
[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] 146 |                             if let Some(ref mut ascii) = ascii {
[INFO] [stderr] 147 |     if 32<= c && c < 127 {
[INFO] [stderr] 148 |         let _ = write!(ascii, "{}", c as char);
[INFO] [stderr] 149 |     } else {
[INFO] [stderr] 150 |         let _ = write!(ascii, "{}", self.format.ascii_none);
[INFO] [stderr] 151 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:230:33
[INFO] [stderr]     |
[INFO] [stderr] 230 |     xxd(data, Some(format)).map(|line| fmt(line)).fold(String::new(), |mut res, line| {let _ = writeln!(&mut res, "{}", line);res})
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: remove closure as shown: `fmt`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "9d26373e1fc9390ff885e4f20bde5781a38ab7d3e928ecbbc489e412b5b6fc70"`
[INFO] running `"docker" "rm" "-f" "9d26373e1fc9390ff885e4f20bde5781a38ab7d3e928ecbbc489e412b5b6fc70"`
[INFO] [stdout] 9d26373e1fc9390ff885e4f20bde5781a38ab7d3e928ecbbc489e412b5b6fc70