[INFO] updating cached repository bddap/chaincad
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bddap/chaincad
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bddap/chaincad" "work/ex/clippy-test-run/sources/stable/gh/bddap/chaincad"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/bddap/chaincad'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bddap/chaincad" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bddap/chaincad"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bddap/chaincad'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 141df341f4df4635c8b76e73b06c8feb8e2521a7
[INFO] sha for GitHub repo bddap/chaincad: 141df341f4df4635c8b76e73b06c8feb8e2521a7
[INFO] validating manifest of bddap/chaincad 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 bddap/chaincad 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 bddap/chaincad
[INFO] finished frobbing bddap/chaincad
[INFO] frobbed toml for bddap/chaincad written to work/ex/clippy-test-run/sources/stable/gh/bddap/chaincad/Cargo.toml
[INFO] started frobbing bddap/chaincad
[INFO] finished frobbing bddap/chaincad
[INFO] frobbed toml for bddap/chaincad written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bddap/chaincad/Cargo.toml
[INFO] crate bddap/chaincad 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 bddap/chaincad 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-4/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/bddap/chaincad:/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] aa5b2aee699e61e8bee2955820bd5765e9bd66bbfb5857a8a56fa89c8569751a
[INFO] running `"docker" "start" "-a" "aa5b2aee699e61e8bee2955820bd5765e9bd66bbfb5857a8a56fa89c8569751a"`
[INFO] [stderr]     Checking chaincad v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/clip.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         return Ok((Clip::Child(source), &[]));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok((Clip::Child(source), &[]))`
[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: variant is never constructed: `Parent`
[INFO] [stderr]  --> src/eval.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Parent(Vec<DeSugaredClip<'a>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Child`
[INFO] [stderr]  --> src/eval.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Child(&'a [char]),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `desugar`
[INFO] [stderr]   --> src/eval.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn desugar<'b>(src: &'b Clip) -> DeSugaredClip<'b> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `desugar_parent`
[INFO] [stderr]   --> src/eval.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn desugar_parent<'b>(parent: &'b [Clip]) -> DeSugaredClip<'b> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/clip.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     pub fn from_slice<'b>(source: &'b [char]) -> Result<Clip<'b>, ()> {
[INFO] [stderr] 12 | |         let (ret, rest) = Self::parse_clip(source)?;
[INFO] [stderr] 13 | |         if rest.iter().filter(|c| !c.is_whitespace()).next() == None {
[INFO] [stderr] 14 | |             Ok(ret)
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |         }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]   --> src/clip.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         if rest.iter().filter(|c| !c.is_whitespace()).next() == None {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]    = note: replace `filter(|c| !c.is_whitespace()).next()` with `find(|c| !c.is_whitespace())`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/clip.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         return Ok((Clip::Child(source), &[]));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok((Clip::Child(source), &[]))`
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/clip.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     pub fn from_slice<'b>(source: &'b [char]) -> Result<Clip<'b>, ()> {
[INFO] [stderr] 12 | |         let (ret, rest) = Self::parse_clip(source)?;
[INFO] [stderr] 13 | |         if rest.iter().filter(|c| !c.is_whitespace()).next() == None {
[INFO] [stderr] 14 | |             Ok(ret)
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |         }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]   --> src/clip.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         if rest.iter().filter(|c| !c.is_whitespace()).next() == None {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]    = note: replace `filter(|c| !c.is_whitespace()).next()` with `find(|c| !c.is_whitespace())`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "aa5b2aee699e61e8bee2955820bd5765e9bd66bbfb5857a8a56fa89c8569751a"`
[INFO] running `"docker" "rm" "-f" "aa5b2aee699e61e8bee2955820bd5765e9bd66bbfb5857a8a56fa89c8569751a"`
[INFO] [stdout] aa5b2aee699e61e8bee2955820bd5765e9bd66bbfb5857a8a56fa89c8569751a