[INFO] crate fallible-iterator 0.1.5 is already in cache
[INFO] extracting crate fallible-iterator 0.1.5 into work/ex/clippy-test-run/sources/stable/reg/fallible-iterator/0.1.5
[INFO] extracting crate fallible-iterator 0.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fallible-iterator/0.1.5
[INFO] validating manifest of fallible-iterator-0.1.5 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 fallible-iterator-0.1.5 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 fallible-iterator-0.1.5
[INFO] finished frobbing fallible-iterator-0.1.5
[INFO] frobbed toml for fallible-iterator-0.1.5 written to work/ex/clippy-test-run/sources/stable/reg/fallible-iterator/0.1.5/Cargo.toml
[INFO] started frobbing fallible-iterator-0.1.5
[INFO] finished frobbing fallible-iterator-0.1.5
[INFO] frobbed toml for fallible-iterator-0.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fallible-iterator/0.1.5/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 fallible-iterator-0.1.5 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/fallible-iterator/0.1.5:/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] 4a6455ead644aeff90e4cec9fed6601dd1935123244ea2b1284f80da3c885799
[INFO] running `"docker" "start" "-a" "4a6455ead644aeff90e4cec9fed6601dd1935123244ea2b1284f80da3c885799"`
[INFO] [stderr]     Checking fallible-iterator v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |         AndThen { it: self, f: f }
[INFO] [stderr]     |                             ^^^^ help: replace it with: `f`
[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:232:28
[INFO] [stderr]     |
[INFO] [stderr] 232 |         Filter { it: self, f: f }
[INFO] [stderr]     |                            ^^^^ help: replace it with: `f`
[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/lib.rs:241:31
[INFO] [stderr]     |
[INFO] [stderr] 241 |         FilterMap { it: self, f: f }
[INFO] [stderr]     |                               ^^^^ help: replace it with: `f`
[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/lib.rs:316:25
[INFO] [stderr]     |
[INFO] [stderr] 316 |         Map { it: self, f: f }
[INFO] [stderr]     |                         ^^^^ help: replace it with: `f`
[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/lib.rs:326:28
[INFO] [stderr]     |
[INFO] [stderr] 326 |         MapErr { it: self, f: f }
[INFO] [stderr]     |                            ^^^^ help: replace it with: `f`
[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/lib.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |         AndThen { it: self, f: f }
[INFO] [stderr]     |                             ^^^^ help: replace it with: `f`
[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:232:28
[INFO] [stderr]     |
[INFO] [stderr] 232 |         Filter { it: self, f: f }
[INFO] [stderr]     |                            ^^^^ help: replace it with: `f`
[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/lib.rs:241:31
[INFO] [stderr]     |
[INFO] [stderr] 241 |         FilterMap { it: self, f: f }
[INFO] [stderr]     |                               ^^^^ help: replace it with: `f`
[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/lib.rs:316:25
[INFO] [stderr]     |
[INFO] [stderr] 316 |         Map { it: self, f: f }
[INFO] [stderr]     |                         ^^^^ help: replace it with: `f`
[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/lib.rs:326:28
[INFO] [stderr]     |
[INFO] [stderr] 326 |         MapErr { it: self, f: f }
[INFO] [stderr]     |                            ^^^^ help: replace it with: `f`
[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: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:766:37
[INFO] [stderr]     |
[INFO] [stderr] 766 | impl<T> FromFallibleIterator<T> for HashSet<T>
[INFO] [stderr]     |                                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 766 | impl<T, S: ::std::hash::BuildHasher + Default> FromFallibleIterator<T> for HashSet<T, S>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                             ^^^^^^^^^^^^^
[INFO] [stderr] help: ...and use generic constructor
[INFO] [stderr]     |
[INFO] [stderr] 773 |         let mut set = HashSet::with_capacity_and_hasher(it.size_hint().0, Default::default());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:782:45
[INFO] [stderr]     |
[INFO] [stderr] 782 | impl<K, V> FromFallibleIterator<(K, V)> for HashMap<K, V>
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 782 | impl<K, V, S: ::std::hash::BuildHasher + Default> FromFallibleIterator<(K, V)> for HashMap<K, V, S>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: ...and use generic constructor
[INFO] [stderr]     |
[INFO] [stderr] 789 |         let mut map = HashMap::with_capacity_and_hasher(it.size_hint().0, Default::default());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]     --> src/lib.rs:1483:27
[INFO] [stderr]      |
[INFO] [stderr] 1483 |     fn next(&mut self) -> Result<Option<(T::Item, U::Item)>, T::Error> {
[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: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:766:37
[INFO] [stderr]     |
[INFO] [stderr] 766 | impl<T> FromFallibleIterator<T> for HashSet<T>
[INFO] [stderr]     |                                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 766 | impl<T, S: ::std::hash::BuildHasher + Default> FromFallibleIterator<T> for HashSet<T, S>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                             ^^^^^^^^^^^^^
[INFO] [stderr] help: ...and use generic constructor
[INFO] [stderr]     |
[INFO] [stderr] 773 |         let mut set = HashSet::with_capacity_and_hasher(it.size_hint().0, Default::default());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:782:45
[INFO] [stderr]     |
[INFO] [stderr] 782 | impl<K, V> FromFallibleIterator<(K, V)> for HashMap<K, V>
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 782 | impl<K, V, S: ::std::hash::BuildHasher + Default> FromFallibleIterator<(K, V)> for HashMap<K, V, S>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: ...and use generic constructor
[INFO] [stderr]     |
[INFO] [stderr] 789 |         let mut map = HashMap::with_capacity_and_hasher(it.size_hint().0, Default::default());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]     --> src/lib.rs:1483:27
[INFO] [stderr]      |
[INFO] [stderr] 1483 |     fn next(&mut self) -> Result<Option<(T::Item, U::Item)>, T::Error> {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "4a6455ead644aeff90e4cec9fed6601dd1935123244ea2b1284f80da3c885799"`
[INFO] running `"docker" "rm" "-f" "4a6455ead644aeff90e4cec9fed6601dd1935123244ea2b1284f80da3c885799"`
[INFO] [stdout] 4a6455ead644aeff90e4cec9fed6601dd1935123244ea2b1284f80da3c885799