[INFO] updating cached repository naim94a/warping
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/naim94a/warping
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/naim94a/warping" "work/ex/clippy-test-run/sources/stable/gh/naim94a/warping"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/naim94a/warping'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/naim94a/warping" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/naim94a/warping"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/naim94a/warping'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0da79a6d380b3cdd859a28c8b34619baf3f3fae7
[INFO] sha for GitHub repo naim94a/warping: 0da79a6d380b3cdd859a28c8b34619baf3f3fae7
[INFO] validating manifest of naim94a/warping 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 naim94a/warping 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 naim94a/warping
[INFO] finished frobbing naim94a/warping
[INFO] frobbed toml for naim94a/warping written to work/ex/clippy-test-run/sources/stable/gh/naim94a/warping/Cargo.toml
[INFO] started frobbing naim94a/warping
[INFO] finished frobbing naim94a/warping
[INFO] frobbed toml for naim94a/warping written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/naim94a/warping/Cargo.toml
[INFO] crate naim94a/warping 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 naim94a/warping against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/naim94a/warping:/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 -Dclippy::into_iter_on_array" "-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] 7e8c8a24d63c05dfc277e2906676679cd0935593e574327b0aa85ba3465bddf3
[INFO] running `"docker" "start" "-a" "7e8c8a24d63c05dfc277e2906676679cd0935593e574327b0aa85ba3465bddf3"`
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking warping v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return res;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `res`
[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/lib.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         return Err(ret.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ret.into())`
[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/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return Ok(MacAddr::new(&buffer[0..6]));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(MacAddr::new(&buffer[0..6]))`
[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/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return res;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `res`
[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/lib.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         return Err(ret.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ret.into())`
[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/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return Ok(MacAddr::new(&buffer[0..6]));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(MacAddr::new(&buffer[0..6]))`
[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/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return res;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `res`
[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/lib.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         return Err(ret.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ret.into())`
[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/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return Ok(MacAddr::new(&buffer[0..6]));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(MacAddr::new(&buffer[0..6]))`
[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: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let half_sec = std::time::Duration::new(0, 500000000);
[INFO] [stderr]    |                                                ^^^^^^^^^ help: consider: `500_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return res;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `res`
[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/lib.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         return Err(ret.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ret.into())`
[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/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return Ok(MacAddr::new(&buffer[0..6]));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(MacAddr::new(&buffer[0..6]))`
[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: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let half_sec = std::time::Duration::new(0, 500000000);
[INFO] [stderr]    |                                                ^^^^^^^^^ help: consider: `500_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `octets`
[INFO] [stderr]   --> src/lib.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn octets(&self) -> &[u8; 6] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `octets`
[INFO] [stderr]   --> src/lib.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn octets(&self) -> &[u8; 6] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[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:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 | /         match timeout {
[INFO] [stderr] 91 | |             Some(timeout) => {
[INFO] [stderr] 92 | |                 if timeout > std::time::SystemTime::now() {
[INFO] [stderr] 93 | |                     break;
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |             None => { }
[INFO] [stderr] 97 | |         }
[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] 90 |         if let Some(timeout) = timeout {
[INFO] [stderr] 91 |     if timeout > std::time::SystemTime::now() {
[INFO] [stderr] 92 |         break;
[INFO] [stderr] 93 |     }
[INFO] [stderr] 94 | }
[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/main.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 | /         match timeout {
[INFO] [stderr] 91 | |             Some(timeout) => {
[INFO] [stderr] 92 | |                 if timeout > std::time::SystemTime::now() {
[INFO] [stderr] 93 | |                     break;
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |             None => { }
[INFO] [stderr] 97 | |         }
[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] 90 |         if let Some(timeout) = timeout {
[INFO] [stderr] 91 |     if timeout > std::time::SystemTime::now() {
[INFO] [stderr] 92 |         break;
[INFO] [stderr] 93 |     }
[INFO] [stderr] 94 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `"docker" "inspect" "7e8c8a24d63c05dfc277e2906676679cd0935593e574327b0aa85ba3465bddf3"`
[INFO] running `"docker" "rm" "-f" "7e8c8a24d63c05dfc277e2906676679cd0935593e574327b0aa85ba3465bddf3"`
[INFO] [stdout] 7e8c8a24d63c05dfc277e2906676679cd0935593e574327b0aa85ba3465bddf3