[INFO] crate binary-tree 0.2.0 is already in cache
[INFO] extracting crate binary-tree 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/binary-tree/0.2.0
[INFO] extracting crate binary-tree 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/binary-tree/0.2.0
[INFO] validating manifest of binary-tree-0.2.0 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 binary-tree-0.2.0 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 binary-tree-0.2.0
[INFO] finished frobbing binary-tree-0.2.0
[INFO] frobbed toml for binary-tree-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/binary-tree/0.2.0/Cargo.toml
[INFO] started frobbing binary-tree-0.2.0
[INFO] finished frobbing binary-tree-0.2.0
[INFO] frobbed toml for binary-tree-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/binary-tree/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 binary-tree-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/binary-tree/0.2.0:/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] c4fae1c17e31eea6f8e09a0279eac9c0fcf9bd5a408976ab8c77ea0301ba8f57
[INFO] running `"docker" "start" "-a" "c4fae1c17e31eea6f8e09a0279eac9c0fcf9bd5a408976ab8c77ea0301ba8f57"`
[INFO] [stderr]     Checking binary-tree v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/count.rs:573:13
[INFO] [stderr]     |
[INFO] [stderr] 573 |             val: val,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `val`
[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/test.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             val: val,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `val`
[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/count.rs:573:13
[INFO] [stderr]     |
[INFO] [stderr] 573 |             val: val,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `val`
[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/test.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             val: val,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `val`
[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: long literal lacking separators
[INFO] [stderr]    --> src/test.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |         for _ in 0..200000 {
[INFO] [stderr]     |                     ^^^^^^ help: consider: `200_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: you should consider deriving a `Default` implementation for `count::CountTree<T>`
[INFO] [stderr]    --> src/count.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     pub fn new() -> CountTree<T> {
[INFO] [stderr] 187 | |         CountTree(None)
[INFO] [stderr] 188 | |     }
[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] 178 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/count.rs:591:46
[INFO] [stderr]     |
[INFO] [stderr] 591 |         self.left.as_ref().map_or(-1, |node| node.height as i32) -
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(node.height)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/count.rs:592:51
[INFO] [stderr]     |
[INFO] [stderr] 592 |             self.right.as_ref().map_or(-1, |node| node.height as i32)
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(node.height)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/count.rs:598:13
[INFO] [stderr]     |
[INFO] [stderr] 598 |                self.left.as_mut().map(|node| {
[INFO] [stderr]     |   _____________^
[INFO] [stderr]     |  |_____________|
[INFO] [stderr]     | ||
[INFO] [stderr] 599 | ||                 if node.balance_factor() < 0 {
[INFO] [stderr] 600 | ||                     node.rotate_left().unwrap();
[INFO] [stderr] 601 | ||                 }
[INFO] [stderr] 602 | ||             });
[INFO] [stderr]     | ||______________^- help: try this: `if let Some(node) = self.left.as_mut() { ... }`
[INFO] [stderr]     | |_______________|
[INFO] [stderr]     | 
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/count.rs:605:13
[INFO] [stderr]     |
[INFO] [stderr] 605 |                self.right.as_mut().map(|node| {
[INFO] [stderr]     |   _____________^
[INFO] [stderr]     |  |_____________|
[INFO] [stderr]     | ||
[INFO] [stderr] 606 | ||                 if node.balance_factor() > 0 {
[INFO] [stderr] 607 | ||                     node.rotate_right().unwrap();
[INFO] [stderr] 608 | ||                 }
[INFO] [stderr] 609 | ||             });
[INFO] [stderr]     | ||______________^- help: try this: `if let Some(node) = self.right.as_mut() { ... }`
[INFO] [stderr]     | |_______________|
[INFO] [stderr]     | 
[INFO] [stderr]     |
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / unsafe fn borrow<'a, T, U>(raw: *const T, _: &'a U) -> &'a T {
[INFO] [stderr] 28 | |     &*raw
[INFO] [stderr] 29 | | }
[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] error: mutable borrow from immutable input(s)
[INFO] [stderr]   --> src/lib.rs:31:58
[INFO] [stderr]    |
[INFO] [stderr] 31 | unsafe fn borrow_mut<'a, T, U>(raw: *mut T, _: &'a U) -> &'a mut T {
[INFO] [stderr]    |                                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::mut_from_ref)] on by default
[INFO] [stderr] note: immutable borrow here
[INFO] [stderr]   --> src/lib.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 | unsafe fn borrow_mut<'a, T, U>(raw: *mut T, _: &'a U) -> &'a mut T {
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mut_from_ref
[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/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / unsafe fn borrow_mut<'a, T, U>(raw: *mut T, _: &'a U) -> &'a mut T {
[INFO] [stderr] 32 | |     &mut *raw
[INFO] [stderr] 33 | | }
[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: this let-binding has unit value. Consider omitting `let pin =`
[INFO] [stderr]    --> src/lib.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let pin = ();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `binary-tree`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `count::CountTree<T>`
[INFO] [stderr]    --> src/count.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     pub fn new() -> CountTree<T> {
[INFO] [stderr] 187 | |         CountTree(None)
[INFO] [stderr] 188 | |     }
[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] 178 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/count.rs:591:46
[INFO] [stderr]     |
[INFO] [stderr] 591 |         self.left.as_ref().map_or(-1, |node| node.height as i32) -
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(node.height)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/count.rs:592:51
[INFO] [stderr]     |
[INFO] [stderr] 592 |             self.right.as_ref().map_or(-1, |node| node.height as i32)
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(node.height)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/count.rs:598:13
[INFO] [stderr]     |
[INFO] [stderr] 598 |                self.left.as_mut().map(|node| {
[INFO] [stderr]     |   _____________^
[INFO] [stderr]     |  |_____________|
[INFO] [stderr]     | ||
[INFO] [stderr] 599 | ||                 if node.balance_factor() < 0 {
[INFO] [stderr] 600 | ||                     node.rotate_left().unwrap();
[INFO] [stderr] 601 | ||                 }
[INFO] [stderr] 602 | ||             });
[INFO] [stderr]     | ||______________^- help: try this: `if let Some(node) = self.left.as_mut() { ... }`
[INFO] [stderr]     | |_______________|
[INFO] [stderr]     | 
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/count.rs:605:13
[INFO] [stderr]     |
[INFO] [stderr] 605 |                self.right.as_mut().map(|node| {
[INFO] [stderr]     |   _____________^
[INFO] [stderr]     |  |_____________|
[INFO] [stderr]     | ||
[INFO] [stderr] 606 | ||                 if node.balance_factor() > 0 {
[INFO] [stderr] 607 | ||                     node.rotate_right().unwrap();
[INFO] [stderr] 608 | ||                 }
[INFO] [stderr] 609 | ||             });
[INFO] [stderr]     | ||______________^- help: try this: `if let Some(node) = self.right.as_mut() { ... }`
[INFO] [stderr]     | |_______________|
[INFO] [stderr]     | 
[INFO] [stderr]     |
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/count.rs:847:9
[INFO] [stderr]     |
[INFO] [stderr] 847 |         ct.get_mut(3).map(|v| *v = 100);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(v) = ct.get_mut(3) { ... }`
[INFO] [stderr]     |
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / unsafe fn borrow<'a, T, U>(raw: *const T, _: &'a U) -> &'a T {
[INFO] [stderr] 28 | |     &*raw
[INFO] [stderr] 29 | | }
[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] error: mutable borrow from immutable input(s)
[INFO] [stderr]   --> src/lib.rs:31:58
[INFO] [stderr]    |
[INFO] [stderr] 31 | unsafe fn borrow_mut<'a, T, U>(raw: *mut T, _: &'a U) -> &'a mut T {
[INFO] [stderr]    |                                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::mut_from_ref)] on by default
[INFO] [stderr] note: immutable borrow here
[INFO] [stderr]   --> src/lib.rs:31:48
[INFO] [stderr]    |
[INFO] [stderr] 31 | unsafe fn borrow_mut<'a, T, U>(raw: *mut T, _: &'a U) -> &'a mut T {
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mut_from_ref
[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/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / unsafe fn borrow_mut<'a, T, U>(raw: *mut T, _: &'a U) -> &'a mut T {
[INFO] [stderr] 32 | |     &mut *raw
[INFO] [stderr] 33 | | }
[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: this let-binding has unit value. Consider omitting `let pin =`
[INFO] [stderr]    --> src/lib.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let pin = ();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `binary-tree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c4fae1c17e31eea6f8e09a0279eac9c0fcf9bd5a408976ab8c77ea0301ba8f57"`
[INFO] running `"docker" "rm" "-f" "c4fae1c17e31eea6f8e09a0279eac9c0fcf9bd5a408976ab8c77ea0301ba8f57"`
[INFO] [stdout] c4fae1c17e31eea6f8e09a0279eac9c0fcf9bd5a408976ab8c77ea0301ba8f57