[INFO] crate veb-rs 0.1.1 is already in cache
[INFO] extracting crate veb-rs 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/veb-rs/0.1.1
[INFO] extracting crate veb-rs 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/veb-rs/0.1.1
[INFO] validating manifest of veb-rs-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 veb-rs-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 veb-rs-0.1.1
[INFO] finished frobbing veb-rs-0.1.1
[INFO] frobbed toml for veb-rs-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/veb-rs/0.1.1/Cargo.toml
[INFO] started frobbing veb-rs-0.1.1
[INFO] finished frobbing veb-rs-0.1.1
[INFO] frobbed toml for veb-rs-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/veb-rs/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 veb-rs-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-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/veb-rs/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] 6ede7b33817ec9300e1367185cacf4db23b45bb9688c35ba36610d3e29e92cc2
[INFO] running `"docker" "start" "-a" "6ede7b33817ec9300e1367185cacf4db23b45bb9688c35ba36610d3e29e92cc2"`
[INFO] [stderr]     Checking veb-rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 sqrt_universe: sqrt_universe,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `sqrt_universe`
[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/lib.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 sqrt_universe: sqrt_universe,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `sqrt_universe`
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 let mut subtree = &mut self.children[idx as usize];
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead
[INFO] [stderr]    --> src/lib.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 | /         summary!(self).find_next(self.high(x)).map_or(None, |next_index| {
[INFO] [stderr] 146 | |             Some(self.index(next_index, subtree!(self, next_index as usize).unwrap().min))
[INFO] [stderr] 147 | |         })
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_or_none)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
[INFO] [stderr] help: try using and_then instead
[INFO] [stderr]     |
[INFO] [stderr] 145 |         summary!(self).find_next(self.high(x)).and_then(|next_index| {
[INFO] [stderr] 146 |             Some(self.index(next_index, subtree!(self, next_index as usize).unwrap().min))
[INFO] [stderr] 147 |         })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 let mut subtree = &mut self.children[idx as usize];
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead
[INFO] [stderr]    --> src/lib.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 | /         summary!(self).find_next(self.high(x)).map_or(None, |next_index| {
[INFO] [stderr] 146 | |             Some(self.index(next_index, subtree!(self, next_index as usize).unwrap().min))
[INFO] [stderr] 147 | |         })
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_or_none)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
[INFO] [stderr] help: try using and_then instead
[INFO] [stderr]     |
[INFO] [stderr] 145 |         summary!(self).find_next(self.high(x)).and_then(|next_index| {
[INFO] [stderr] 146 |             Some(self.index(next_index, subtree!(self, next_index as usize).unwrap().min))
[INFO] [stderr] 147 |         })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "6ede7b33817ec9300e1367185cacf4db23b45bb9688c35ba36610d3e29e92cc2"`
[INFO] running `"docker" "rm" "-f" "6ede7b33817ec9300e1367185cacf4db23b45bb9688c35ba36610d3e29e92cc2"`
[INFO] [stdout] 6ede7b33817ec9300e1367185cacf4db23b45bb9688c35ba36610d3e29e92cc2