[INFO] crate flat_map 0.0.8 is already in cache
[INFO] extracting crate flat_map 0.0.8 into work/ex/clippy-test-run/sources/stable/reg/flat_map/0.0.8
[INFO] extracting crate flat_map 0.0.8 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/flat_map/0.0.8
[INFO] validating manifest of flat_map-0.0.8 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 flat_map-0.0.8 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 flat_map-0.0.8
[INFO] finished frobbing flat_map-0.0.8
[INFO] frobbed toml for flat_map-0.0.8 written to work/ex/clippy-test-run/sources/stable/reg/flat_map/0.0.8/Cargo.toml
[INFO] started frobbing flat_map-0.0.8
[INFO] finished frobbing flat_map-0.0.8
[INFO] frobbed toml for flat_map-0.0.8 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/flat_map/0.0.8/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 flat_map-0.0.8 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/flat_map/0.0.8:/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] 9c0324534964bb87df81005f9813b496c7feba989928039e2dff99f742f53282
[INFO] running `"docker" "start" "-a" "9c0324534964bb87df81005f9813b496c7feba989928039e2dff99f742f53282"`
[INFO] [stderr]     Checking flat_map v0.0.8 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/flat_map.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 FlatMap { v: v }
[INFO] [stderr]     |                           ^^^^ help: replace it with: `v`
[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/flat_map.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 key: key,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `key`
[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/flat_map.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 FlatMap { v: v }
[INFO] [stderr]     |                           ^^^^ help: replace it with: `v`
[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/flat_map.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 key: key,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `key`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/flat_map.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     inner: Map<Iter<'a, K, V>, fn((&'a K, &'a V)) -> &'a K>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/flat_map.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     inner: Map<Iter<'a, K, V>, fn((&'a K, &'a V)) -> &'a V>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[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/flat_map.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     pub fn iter<'r>(&'r self) -> Iter<'r, K, V> {
[INFO] [stderr] 117 | |         Iter {
[INFO] [stderr] 118 | |             inner: self.v.iter(),
[INFO] [stderr] 119 | |         }
[INFO] [stderr] 120 | |     }
[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] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/flat_map.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     inner: Map<Iter<'a, K, V>, fn((&'a K, &'a V)) -> &'a K>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/flat_map.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     inner: Map<Iter<'a, K, V>, fn((&'a K, &'a V)) -> &'a V>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[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/flat_map.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     pub fn iter<'r>(&'r self) -> Iter<'r, K, V> {
[INFO] [stderr] 117 | |         Iter {
[INFO] [stderr] 118 | |             inner: self.v.iter(),
[INFO] [stderr] 119 | |         }
[INFO] [stderr] 120 | |     }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "9c0324534964bb87df81005f9813b496c7feba989928039e2dff99f742f53282"`
[INFO] running `"docker" "rm" "-f" "9c0324534964bb87df81005f9813b496c7feba989928039e2dff99f742f53282"`
[INFO] [stdout] 9c0324534964bb87df81005f9813b496c7feba989928039e2dff99f742f53282