[INFO] crate trailblazer 0.0.0 is already in cache
[INFO] extracting crate trailblazer 0.0.0 into work/ex/clippy-test-run/sources/stable/reg/trailblazer/0.0.0
[INFO] extracting crate trailblazer 0.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/trailblazer/0.0.0
[INFO] validating manifest of trailblazer-0.0.0 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 trailblazer-0.0.0 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 trailblazer-0.0.0
[INFO] finished frobbing trailblazer-0.0.0
[INFO] frobbed toml for trailblazer-0.0.0 written to work/ex/clippy-test-run/sources/stable/reg/trailblazer/0.0.0/Cargo.toml
[INFO] started frobbing trailblazer-0.0.0
[INFO] finished frobbing trailblazer-0.0.0
[INFO] frobbed toml for trailblazer-0.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/trailblazer/0.0.0/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 trailblazer-0.0.0 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-7/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/reg/trailblazer/0.0.0:/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 -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] 454d45ae026f4ac3c77621610993934a95c86288eba256a59fdee26ec8cb7a04
[INFO] running `"docker" "start" "-a" "454d45ae026f4ac3c77621610993934a95c86288eba256a59fdee26ec8cb7a04"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking trailblazer v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/search.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             prop_queue: prop_queue,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prop_queue`
[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/search.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             prop_queue: prop_queue,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prop_queue`
[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: you should consider deriving a `Default` implementation for `propagate::PropQueue`
[INFO] [stderr]   --> src/propagate.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     pub fn new() -> Self {
[INFO] [stderr] 15 | |         Self {
[INFO] [stderr] 16 | |             queue: Rc::new(RefCell::new(VecDeque::new())),
[INFO] [stderr] 17 | |             to_enqueue: Rc::new(RefCell::new(VecDeque::new())),
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     }
[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] 8  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `propagate::PropQueue`
[INFO] [stderr]   --> src/propagate.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     pub fn new() -> Self {
[INFO] [stderr] 15 | |         Self {
[INFO] [stderr] 16 | |             queue: Rc::new(RefCell::new(VecDeque::new())),
[INFO] [stderr] 17 | |             to_enqueue: Rc::new(RefCell::new(VecDeque::new())),
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     }
[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] 8  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `trail::Trail`
[INFO] [stderr]   --> src/trail.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> Self {
[INFO] [stderr] 16 | |         Self {
[INFO] [stderr] 17 | |             trail: Rc::new(RefCell::new(vec![])),
[INFO] [stderr] 18 | |             nodes: Rc::new(RefCell::new(vec![])),
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[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] 9  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/trail.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         self.nodes.borrow_mut().pop().map(|n| self.undo_until(n));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(n) = self.nodes.borrow_mut().pop() { self.undo_until(n) }`
[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/trail.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             trail.pop().map(|mut c| c.undo());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: try this: `if let Some(mut c) = trail.pop() { c.undo() }`
[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: you should consider deriving a `Default` implementation for `trail::Trail`
[INFO] [stderr]   --> src/trail.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> Self {
[INFO] [stderr] 16 | |         Self {
[INFO] [stderr] 17 | |             trail: Rc::new(RefCell::new(vec![])),
[INFO] [stderr] 18 | |             nodes: Rc::new(RefCell::new(vec![])),
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[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] 9  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/trail.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         self.nodes.borrow_mut().pop().map(|n| self.undo_until(n));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(n) = self.nodes.borrow_mut().pop() { self.undo_until(n) }`
[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/trail.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             trail.pop().map(|mut c| c.undo());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: try this: `if let Some(mut c) = trail.pop() { c.undo() }`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "454d45ae026f4ac3c77621610993934a95c86288eba256a59fdee26ec8cb7a04"`
[INFO] running `"docker" "rm" "-f" "454d45ae026f4ac3c77621610993934a95c86288eba256a59fdee26ec8cb7a04"`
[INFO] [stdout] 454d45ae026f4ac3c77621610993934a95c86288eba256a59fdee26ec8cb7a04