[INFO] updating cached repository scrogson/linked-list-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scrogson/linked-list-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/linked-list-rs" "work/ex/clippy-test-run/sources/stable/gh/scrogson/linked-list-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/scrogson/linked-list-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/linked-list-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scrogson/linked-list-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scrogson/linked-list-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4a8134bc9afc1068719ca9e77705406fbb2f8fc
[INFO] sha for GitHub repo scrogson/linked-list-rs: f4a8134bc9afc1068719ca9e77705406fbb2f8fc
[INFO] validating manifest of scrogson/linked-list-rs 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 scrogson/linked-list-rs 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 scrogson/linked-list-rs
[INFO] finished frobbing scrogson/linked-list-rs
[INFO] frobbed toml for scrogson/linked-list-rs written to work/ex/clippy-test-run/sources/stable/gh/scrogson/linked-list-rs/Cargo.toml
[INFO] started frobbing scrogson/linked-list-rs
[INFO] finished frobbing scrogson/linked-list-rs
[INFO] frobbed toml for scrogson/linked-list-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scrogson/linked-list-rs/Cargo.toml
[INFO] crate scrogson/linked-list-rs 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 scrogson/linked-list-rs 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/scrogson/linked-list-rs:/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] c9a5b764b6c0acc8c7d6715aef0aeed3a04c5385374950b431650b3a8936b50f
[INFO] running `"docker" "start" "-a" "c9a5b764b6c0acc8c7d6715aef0aeed3a04c5385374950b431650b3a8936b50f"`
[INFO] [stderr]     Checking linked-list-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `elem`
[INFO] [stderr]   --> src/fourth.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     elem: T,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `first::List`
[INFO] [stderr]   --> src/first.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> Self {
[INFO] [stderr] 19 | |         List { head: Link::Empty }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Default for first::List {
[INFO] [stderr] 18 |     fn default() -> Self {
[INFO] [stderr] 19 |         Self::new()
[INFO] [stderr] 20 |     }
[INFO] [stderr] 21 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `second::List<T>`
[INFO] [stderr]   --> src/second.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     pub fn new() -> Self {
[INFO] [stderr] 24 | |         List { head: None }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 1  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `into_iter` on this type; consider implementing the `std::iter::IntoIterator` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/second.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr] 53 | |         IntoIter(self)
[INFO] [stderr] 54 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `third::List<T>`
[INFO] [stderr]   --> src/third.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> Self {
[INFO] [stderr] 16 | |         Self { head: None }
[INFO] [stderr] 17 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 3  | #[derive(Default)]
[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/third.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr] 39 | |         Iter {
[INFO] [stderr] 40 | |             next: self.head.as_ref().map(|node| &**node),
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[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: you should consider deriving a `Default` implementation for `fourth::List<T>`
[INFO] [stderr]   --> src/fourth.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     pub fn new() -> Self {
[INFO] [stderr] 29 | |         Self {
[INFO] [stderr] 30 | |             head: None,
[INFO] [stderr] 31 | |             tail: None,
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 4  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `elem`
[INFO] [stderr]   --> src/fourth.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     elem: T,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `first::List`
[INFO] [stderr]   --> src/first.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> Self {
[INFO] [stderr] 19 | |         List { head: Link::Empty }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Default for first::List {
[INFO] [stderr] 18 |     fn default() -> Self {
[INFO] [stderr] 19 |         Self::new()
[INFO] [stderr] 20 |     }
[INFO] [stderr] 21 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `second::List<T>`
[INFO] [stderr]   --> src/second.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     pub fn new() -> Self {
[INFO] [stderr] 24 | |         List { head: None }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 1  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `into_iter` on this type; consider implementing the `std::iter::IntoIterator` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/second.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr] 53 | |         IntoIter(self)
[INFO] [stderr] 54 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `third::List<T>`
[INFO] [stderr]   --> src/third.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> Self {
[INFO] [stderr] 16 | |         Self { head: None }
[INFO] [stderr] 17 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 3  | #[derive(Default)]
[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/third.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr] 39 | |         Iter {
[INFO] [stderr] 40 | |             next: self.head.as_ref().map(|node| &**node),
[INFO] [stderr] 41 | |         }
[INFO] [stderr] 42 | |     }
[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: you should consider deriving a `Default` implementation for `fourth::List<T>`
[INFO] [stderr]   --> src/fourth.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     pub fn new() -> Self {
[INFO] [stderr] 29 | |         Self {
[INFO] [stderr] 30 | |             head: None,
[INFO] [stderr] 31 | |             tail: None,
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 4  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "c9a5b764b6c0acc8c7d6715aef0aeed3a04c5385374950b431650b3a8936b50f"`
[INFO] running `"docker" "rm" "-f" "c9a5b764b6c0acc8c7d6715aef0aeed3a04c5385374950b431650b3a8936b50f"`
[INFO] [stdout] c9a5b764b6c0acc8c7d6715aef0aeed3a04c5385374950b431650b3a8936b50f