[INFO] updating cached repository rwooster/rust_lists
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rwooster/rust_lists
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rwooster/rust_lists" "work/ex/clippy-test-run/sources/stable/gh/rwooster/rust_lists"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rwooster/rust_lists'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rwooster/rust_lists" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rwooster/rust_lists"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rwooster/rust_lists'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12369634d7dbdba284b2d7c28fd5f36211b45df4
[INFO] sha for GitHub repo rwooster/rust_lists: 12369634d7dbdba284b2d7c28fd5f36211b45df4
[INFO] validating manifest of rwooster/rust_lists 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 rwooster/rust_lists 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 rwooster/rust_lists
[INFO] finished frobbing rwooster/rust_lists
[INFO] frobbed toml for rwooster/rust_lists written to work/ex/clippy-test-run/sources/stable/gh/rwooster/rust_lists/Cargo.toml
[INFO] started frobbing rwooster/rust_lists
[INFO] finished frobbing rwooster/rust_lists
[INFO] frobbed toml for rwooster/rust_lists written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rwooster/rust_lists/Cargo.toml
[INFO] crate rwooster/rust_lists 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 rwooster/rust_lists against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/rwooster/rust_lists:/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] 69a9d0cec5c9babdcc6b5e7d3d4f7b28f0056bf1ce519b0422498b846f683920
[INFO] running `"docker" "start" "-a" "69a9d0cec5c9babdcc6b5e7d3d4f7b28f0056bf1ce519b0422498b846f683920"`
[INFO] [stderr]     Checking lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/third.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             elem: elem,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `elem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/fourth.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             elem: elem,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `elem`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/fifth.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             elem: elem,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `elem`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/third.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             elem: elem,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `elem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/fourth.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             elem: elem,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `elem`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/fifth.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             elem: elem,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `elem`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `first::Stack`
[INFO] [stderr]   --> src/first.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> Self {
[INFO] [stderr] 22 | |         Stack { top: Link::Empty }
[INFO] [stderr] 23 | |     }
[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] 20 | impl Default for first::Stack {
[INFO] [stderr] 21 |     fn default() -> Self {
[INFO] [stderr] 22 |         Self::new()
[INFO] [stderr] 23 |     }
[INFO] [stderr] 24 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `second::Stack<T>`
[INFO] [stderr]   --> src/second.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> Self {
[INFO] [stderr] 27 | |         Stack { top: None }
[INFO] [stderr] 28 | |     }
[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] 2  | #[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:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr] 60 | |         IntoIter(self)
[INFO] [stderr] 61 | |     }
[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:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> Self {
[INFO] [stderr] 22 | |         List { head: None }
[INFO] [stderr] 23 | |     }
[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] 5  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `fourth::Deque<T>`
[INFO] [stderr]   --> src/fourth.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn new() -> Self {
[INFO] [stderr] 31 | |         Deque { head: None, tail: None }
[INFO] [stderr] 32 | |     }
[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: 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/fourth.rs:88:2
[INFO] [stderr]    |
[INFO] [stderr] 88 |       pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 89 | |         IntoIter(self)
[INFO] [stderr] 90 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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 adding a `Default` implementation for `fifth::Queue<T>`
[INFO] [stderr]   --> src/fifth.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Self {
[INFO] [stderr] 17 | |         Queue { head: None, tail: ptr::null_mut() }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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] 15 | impl Default for fifth::Queue<T> {
[INFO] [stderr] 16 |     fn default() -> Self {
[INFO] [stderr] 17 |         Self::new()
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `first::Stack`
[INFO] [stderr]   --> src/first.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> Self {
[INFO] [stderr] 22 | |         Stack { top: Link::Empty }
[INFO] [stderr] 23 | |     }
[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] 20 | impl Default for first::Stack {
[INFO] [stderr] 21 |     fn default() -> Self {
[INFO] [stderr] 22 |         Self::new()
[INFO] [stderr] 23 |     }
[INFO] [stderr] 24 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `second::Stack<T>`
[INFO] [stderr]   --> src/second.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> Self {
[INFO] [stderr] 27 | |         Stack { top: None }
[INFO] [stderr] 28 | |     }
[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] 2  | #[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:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr] 60 | |         IntoIter(self)
[INFO] [stderr] 61 | |     }
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/second.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         stack.peek_mut().map(|value: &mut i32| { *value = 42 });
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(value) = stack.peek_mut() { ... }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `third::List<T>`
[INFO] [stderr]   --> src/third.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> Self {
[INFO] [stderr] 22 | |         List { head: None }
[INFO] [stderr] 23 | |     }
[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] 5  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `fourth::Deque<T>`
[INFO] [stderr]   --> src/fourth.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn new() -> Self {
[INFO] [stderr] 31 | |         Deque { head: None, tail: None }
[INFO] [stderr] 32 | |     }
[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: 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/fourth.rs:88:2
[INFO] [stderr]    |
[INFO] [stderr] 88 |       pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 89 | |         IntoIter(self)
[INFO] [stderr] 90 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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 adding a `Default` implementation for `fifth::Queue<T>`
[INFO] [stderr]   --> src/fifth.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Self {
[INFO] [stderr] 17 | |         Queue { head: None, tail: ptr::null_mut() }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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] 15 | impl Default for fifth::Queue<T> {
[INFO] [stderr] 16 |     fn default() -> Self {
[INFO] [stderr] 17 |         Self::new()
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "69a9d0cec5c9babdcc6b5e7d3d4f7b28f0056bf1ce519b0422498b846f683920"`
[INFO] running `"docker" "rm" "-f" "69a9d0cec5c9babdcc6b5e7d3d4f7b28f0056bf1ce519b0422498b846f683920"`
[INFO] [stdout] 69a9d0cec5c9babdcc6b5e7d3d4f7b28f0056bf1ce519b0422498b846f683920