[INFO] updating cached repository FranklinChen/baker-samefringe-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FranklinChen/baker-samefringe-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FranklinChen/baker-samefringe-rust" "work/ex/clippy-test-run/sources/stable/gh/FranklinChen/baker-samefringe-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/FranklinChen/baker-samefringe-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FranklinChen/baker-samefringe-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FranklinChen/baker-samefringe-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FranklinChen/baker-samefringe-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ababe2474a14033a21a039955aef4cb5584f4eb
[INFO] sha for GitHub repo FranklinChen/baker-samefringe-rust: 7ababe2474a14033a21a039955aef4cb5584f4eb
[INFO] validating manifest of FranklinChen/baker-samefringe-rust 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 FranklinChen/baker-samefringe-rust 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 FranklinChen/baker-samefringe-rust
[INFO] finished frobbing FranklinChen/baker-samefringe-rust
[INFO] frobbed toml for FranklinChen/baker-samefringe-rust written to work/ex/clippy-test-run/sources/stable/gh/FranklinChen/baker-samefringe-rust/Cargo.toml
[INFO] started frobbing FranklinChen/baker-samefringe-rust
[INFO] finished frobbing FranklinChen/baker-samefringe-rust
[INFO] frobbed toml for FranklinChen/baker-samefringe-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FranklinChen/baker-samefringe-rust/Cargo.toml
[INFO] crate FranklinChen/baker-samefringe-rust 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 FranklinChen/baker-samefringe-rust 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/FranklinChen/baker-samefringe-rust:/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] 80c6c565d2a7c7ee237b820c8cc23c3a9553296305236a86516936f9ffa60938
[INFO] running `"docker" "start" "-a" "80c6c565d2a7c7ee237b820c8cc23c3a9553296305236a86516936f9ffa60938"`
[INFO] [stderr]     Checking baker-samefringe-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/immutable.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         match self {
[INFO] [stderr] 17 | |             &Leaf(ref leaf) =>
[INFO] [stderr] 18 | |                 Leaf(f(leaf)),
[INFO] [stderr] 19 | |             &Forest(ref forest) =>
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |                        .collect())
[INFO] [stderr] 23 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 16 |         match *self {
[INFO] [stderr] 17 |             Leaf(ref leaf) =>
[INFO] [stderr] 18 |                 Leaf(f(leaf)),
[INFO] [stderr] 19 |             Forest(ref forest) =>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/immutable.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         match self {
[INFO] [stderr] 54 | |             &Leaf(ref leaf) =>
[INFO] [stderr] 55 | |                 f(init, leaf),
[INFO] [stderr] 56 | |             &Forest(ref forest) =>
[INFO] [stderr] 57 | |                 forest.iter()
[INFO] [stderr] 58 | |                 .fold(init, |b, tree| tree.fold(b, f))
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 53 |         match *self {
[INFO] [stderr] 54 |             Leaf(ref leaf) =>
[INFO] [stderr] 55 |                 f(init, leaf),
[INFO] [stderr] 56 |             Forest(ref forest) =>
[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/iterators.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr] 11 | |         Iter {
[INFO] [stderr] 12 | |             stack: vec![self]
[INFO] [stderr] 13 | |         }
[INFO] [stderr] 14 | |     }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/iterators.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn iter_mut<'a>(&'a mut self) -> IterMut<'a, T> {
[INFO] [stderr] 18 | |         IterMut {
[INFO] [stderr] 19 | |             stack: vec![self]
[INFO] [stderr] 20 | |         }
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/iterators.rs:69:31
[INFO] [stderr]    |
[INFO] [stderr] 69 |                   Some(tree) => match tree {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 70 | |                     &Tree::Leaf(ref leaf) =>
[INFO] [stderr] 71 | |                         return Some(leaf),
[INFO] [stderr] 72 | |                     &Tree::Forest(ref forest) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |
[INFO] [stderr] 80 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 Some(tree) => match *tree {
[INFO] [stderr] 70 |                     Tree::Leaf(ref leaf) =>
[INFO] [stderr] 71 |                         return Some(leaf),
[INFO] [stderr] 72 |                     Tree::Forest(ref forest) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/iterators.rs:97:31
[INFO] [stderr]     |
[INFO] [stderr] 97  |                   Some(tree) => match tree {
[INFO] [stderr]     |  _______________________________^
[INFO] [stderr] 98  | |                     &mut Tree::Leaf(ref mut leaf) =>
[INFO] [stderr] 99  | |                         return Some(leaf),
[INFO] [stderr] 100 | |                     &mut Tree::Forest(ref mut forest) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |
[INFO] [stderr] 108 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 97  |                 Some(tree) => match *tree {
[INFO] [stderr] 98  |                     Tree::Leaf(ref mut leaf) =>
[INFO] [stderr] 99  |                         return Some(leaf),
[INFO] [stderr] 100 |                     Tree::Forest(ref mut forest) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/algorithm/continuations.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     match tree {
[INFO] [stderr] 63 | |         &Tree::Leaf(ref leaf) => c.0(Some((leaf, g))),
[INFO] [stderr] 64 | |         &Tree::Forest(ref forest) => gen_fringe_l(&forest, c, g)
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 62 |     match *tree {
[INFO] [stderr] 63 |         Tree::Leaf(ref leaf) => c.0(Some((leaf, g))),
[INFO] [stderr] 64 |         Tree::Forest(ref forest) => gen_fringe_l(&forest, c, g)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/immutable.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         match self {
[INFO] [stderr] 17 | |             &Leaf(ref leaf) =>
[INFO] [stderr] 18 | |                 Leaf(f(leaf)),
[INFO] [stderr] 19 | |             &Forest(ref forest) =>
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |                        .collect())
[INFO] [stderr] 23 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 16 |         match *self {
[INFO] [stderr] 17 |             Leaf(ref leaf) =>
[INFO] [stderr] 18 |                 Leaf(f(leaf)),
[INFO] [stderr] 19 |             Forest(ref forest) =>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/immutable.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         match self {
[INFO] [stderr] 54 | |             &Leaf(ref leaf) =>
[INFO] [stderr] 55 | |                 f(init, leaf),
[INFO] [stderr] 56 | |             &Forest(ref forest) =>
[INFO] [stderr] 57 | |                 forest.iter()
[INFO] [stderr] 58 | |                 .fold(init, |b, tree| tree.fold(b, f))
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 53 |         match *self {
[INFO] [stderr] 54 |             Leaf(ref leaf) =>
[INFO] [stderr] 55 |                 f(init, leaf),
[INFO] [stderr] 56 |             Forest(ref forest) =>
[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/iterators.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr] 11 | |         Iter {
[INFO] [stderr] 12 | |             stack: vec![self]
[INFO] [stderr] 13 | |         }
[INFO] [stderr] 14 | |     }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/iterators.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn iter_mut<'a>(&'a mut self) -> IterMut<'a, T> {
[INFO] [stderr] 18 | |         IterMut {
[INFO] [stderr] 19 | |             stack: vec![self]
[INFO] [stderr] 20 | |         }
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/iterators.rs:69:31
[INFO] [stderr]    |
[INFO] [stderr] 69 |                   Some(tree) => match tree {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 70 | |                     &Tree::Leaf(ref leaf) =>
[INFO] [stderr] 71 | |                         return Some(leaf),
[INFO] [stderr] 72 | |                     &Tree::Forest(ref forest) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |
[INFO] [stderr] 80 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 Some(tree) => match *tree {
[INFO] [stderr] 70 |                     Tree::Leaf(ref leaf) =>
[INFO] [stderr] 71 |                         return Some(leaf),
[INFO] [stderr] 72 |                     Tree::Forest(ref forest) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/iterators.rs:97:31
[INFO] [stderr]     |
[INFO] [stderr] 97  |                   Some(tree) => match tree {
[INFO] [stderr]     |  _______________________________^
[INFO] [stderr] 98  | |                     &mut Tree::Leaf(ref mut leaf) =>
[INFO] [stderr] 99  | |                         return Some(leaf),
[INFO] [stderr] 100 | |                     &mut Tree::Forest(ref mut forest) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |
[INFO] [stderr] 108 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 97  |                 Some(tree) => match *tree {
[INFO] [stderr] 98  |                     Tree::Leaf(ref mut leaf) =>
[INFO] [stderr] 99  |                         return Some(leaf),
[INFO] [stderr] 100 |                     Tree::Forest(ref mut forest) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/algorithm/continuations.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     match tree {
[INFO] [stderr] 63 | |         &Tree::Leaf(ref leaf) => c.0(Some((leaf, g))),
[INFO] [stderr] 64 | |         &Tree::Forest(ref forest) => gen_fringe_l(&forest, c, g)
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 62 |     match *tree {
[INFO] [stderr] 63 |         Tree::Leaf(ref leaf) => c.0(Some((leaf, g))),
[INFO] [stderr] 64 |         Tree::Forest(ref forest) => gen_fringe_l(&forest, c, g)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "80c6c565d2a7c7ee237b820c8cc23c3a9553296305236a86516936f9ffa60938"`
[INFO] running `"docker" "rm" "-f" "80c6c565d2a7c7ee237b820c8cc23c3a9553296305236a86516936f9ffa60938"`
[INFO] [stdout] 80c6c565d2a7c7ee237b820c8cc23c3a9553296305236a86516936f9ffa60938