[INFO] crate tre 0.1.1 is already in cache
[INFO] extracting crate tre 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/tre/0.1.1
[INFO] extracting crate tre 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tre/0.1.1
[INFO] validating manifest of tre-0.1.1 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 tre-0.1.1 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 tre-0.1.1
[INFO] finished frobbing tre-0.1.1
[INFO] frobbed toml for tre-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/tre/0.1.1/Cargo.toml
[INFO] started frobbing tre-0.1.1
[INFO] finished frobbing tre-0.1.1
[INFO] frobbed toml for tre-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tre/0.1.1/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 tre-0.1.1 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/reg/tre/0.1.1:/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] b553214be78479a6995d22ef072c04d93befb38121170c332a5c39106baa5f54
[INFO] running `"docker" "start" "-a" "b553214be78479a6995d22ef072c04d93befb38121170c332a5c39106baa5f54"`
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]     Checking tre v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/streamer.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             collector: collector,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `collector`
[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/streamer.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             collector: collector,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `collector`
[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: this function has too many arguments (9/7)
[INFO] [stderr]   --> src/config.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn new(
[INFO] [stderr] 18 | |         root: Option<String>,
[INFO] [stderr] 19 | |         max_depth: Option<usize>,
[INFO] [stderr] 20 | |         follow_sym_links: bool,
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |         }
[INFO] [stderr] 39 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     parents: &Vec<usize>,
[INFO] [stderr]    |              ^^^^^^^^^^^ help: change this to: `&[usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     parents: &Vec<usize>,
[INFO] [stderr]    |              ^^^^^^^^^^^ help: change this to: `&[usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `stats_collector::StatsCollector`
[INFO] [stderr]   --> src/stats_collector.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new() -> StatsCollector {
[INFO] [stderr] 30 | |         StatsCollector {
[INFO] [stderr] 31 | |             stats: Stats {
[INFO] [stderr] 32 | |                 files: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |         }
[INFO] [stderr] 38 | |     }
[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] 28 | impl Default for stats_collector::StatsCollector {
[INFO] [stderr] 29 |     fn default() -> Self {
[INFO] [stderr] 30 |         Self::new()
[INFO] [stderr] 31 |     }
[INFO] [stderr] 32 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/streamer.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         for dir in walker.into_iter().filter_map(|e| e.ok()) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `walker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/streamer.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |                       let mut shallow_walker = build_shallow(parent_path, &self.options)?
[INFO] [stderr]    |  ______________________________________________^
[INFO] [stderr] 85 | |                         .into_iter()
[INFO] [stderr]    | |____________________________________^ help: consider removing `.into_iter()`: `build_shallow(parent_path, &self.options)?`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/streamer.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                       if let Some(_) = shallow_walker.next() {
[INFO] [stderr]    |  _____________________-      ^^^^^^^
[INFO] [stderr] 91 | |                         self.parent_depths.push(self.prev_depth);
[INFO] [stderr] 92 | |                     } else {
[INFO] [stderr] 93 | |                         is_last = true;
[INFO] [stderr] 94 | |                     }
[INFO] [stderr]    | |_____________________- help: try this: `if shallow_walker.next().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]  --> src/walker.rs:8:56
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut walker = WalkBuilder::new(opt.root.clone().unwrap_or(String::from(".")));
[INFO] [stderr]   |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| String::from("."))`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]   --> src/config.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn new(
[INFO] [stderr] 18 | |         root: Option<String>,
[INFO] [stderr] 19 | |         max_depth: Option<usize>,
[INFO] [stderr] 20 | |         follow_sym_links: bool,
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |         }
[INFO] [stderr] 39 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     parents: &Vec<usize>,
[INFO] [stderr]    |              ^^^^^^^^^^^ help: change this to: `&[usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     parents: &Vec<usize>,
[INFO] [stderr]    |              ^^^^^^^^^^^ help: change this to: `&[usize]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `stats_collector::StatsCollector`
[INFO] [stderr]   --> src/stats_collector.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new() -> StatsCollector {
[INFO] [stderr] 30 | |         StatsCollector {
[INFO] [stderr] 31 | |             stats: Stats {
[INFO] [stderr] 32 | |                 files: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |         }
[INFO] [stderr] 38 | |     }
[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] 28 | impl Default for stats_collector::StatsCollector {
[INFO] [stderr] 29 |     fn default() -> Self {
[INFO] [stderr] 30 |         Self::new()
[INFO] [stderr] 31 |     }
[INFO] [stderr] 32 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/streamer.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         for dir in walker.into_iter().filter_map(|e| e.ok()) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `walker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/streamer.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |                       let mut shallow_walker = build_shallow(parent_path, &self.options)?
[INFO] [stderr]    |  ______________________________________________^
[INFO] [stderr] 85 | |                         .into_iter()
[INFO] [stderr]    | |____________________________________^ help: consider removing `.into_iter()`: `build_shallow(parent_path, &self.options)?`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/streamer.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 |                       if let Some(_) = shallow_walker.next() {
[INFO] [stderr]    |  _____________________-      ^^^^^^^
[INFO] [stderr] 91 | |                         self.parent_depths.push(self.prev_depth);
[INFO] [stderr] 92 | |                     } else {
[INFO] [stderr] 93 | |                         is_last = true;
[INFO] [stderr] 94 | |                     }
[INFO] [stderr]    | |_____________________- help: try this: `if shallow_walker.next().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]  --> src/walker.rs:8:56
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut walker = WalkBuilder::new(opt.root.clone().unwrap_or(String::from(".")));
[INFO] [stderr]   |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| String::from("."))`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `"docker" "inspect" "b553214be78479a6995d22ef072c04d93befb38121170c332a5c39106baa5f54"`
[INFO] running `"docker" "rm" "-f" "b553214be78479a6995d22ef072c04d93befb38121170c332a5c39106baa5f54"`
[INFO] [stdout] b553214be78479a6995d22ef072c04d93befb38121170c332a5c39106baa5f54