[INFO] crate eclectic 0.11.0 is already in cache
[INFO] extracting crate eclectic 0.11.0 into work/ex/clippy-test-run/sources/stable/reg/eclectic/0.11.0
[INFO] extracting crate eclectic 0.11.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/eclectic/0.11.0
[INFO] validating manifest of eclectic-0.11.0 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 eclectic-0.11.0 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 eclectic-0.11.0
[INFO] finished frobbing eclectic-0.11.0
[INFO] frobbed toml for eclectic-0.11.0 written to work/ex/clippy-test-run/sources/stable/reg/eclectic/0.11.0/Cargo.toml
[INFO] started frobbing eclectic-0.11.0
[INFO] finished frobbing eclectic-0.11.0
[INFO] frobbed toml for eclectic-0.11.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/eclectic/0.11.0/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 eclectic-0.11.0 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-4/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/eclectic/0.11.0:/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] 5be2cee2a5927f7830d1adfbd31e9c90550263980d1a671f3f55b3d8904acc03
[INFO] running `"docker" "start" "-a" "5be2cee2a5927f7830d1adfbd31e9c90550263980d1a671f3f55b3d8904acc03"`
[INFO] [stderr]     Checking eclectic v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn extend_object(&mut self, items: &mut Iterator<Item = Self::Item>) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(where_clauses_object_safety)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `extend_object` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     fn clear(&mut self) where Self: AddRemove {
[INFO] [stderr] 152 | |         self.drain();
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `clear` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     fn drain<'a>(&'a mut self) -> Box<Iterator<Item = Self::Item> + 'a> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `drain` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn reserve(&mut self, additional: usize) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `reserve` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn shrink_to_fit(&mut self) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `shrink_to_fit` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn get_mut(&mut self, index: usize) -> Option<&mut Self::Item> where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `get_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn swap(&mut self, i: usize, j: usize) where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `swap` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 | /     fn reverse(&mut self) where Self: Mutate {
[INFO] [stderr] 258 | |         let len = self.len();
[INFO] [stderr] 259 | |
[INFO] [stderr] 260 | |         for i in 0..len / 2 {
[INFO] [stderr] 261 | |             self.swap(i, len - i - 1);
[INFO] [stderr] 262 | |         }
[INFO] [stderr] 263 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `reverse` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 | /     fn first_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate {
[INFO] [stderr] 276 | |         self.get_mut(0)
[INFO] [stderr] 277 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `first_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 | /     fn last_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate {
[INFO] [stderr] 290 | |         let len = self.len();
[INFO] [stderr] 291 | |         self.get_mut(len.wrapping_sub(1))
[INFO] [stderr] 292 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `last_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 | /     fn push(&mut self, item: Self::Item) where Self: AddRemove {
[INFO] [stderr] 296 | |         let len = self.len();
[INFO] [stderr] 297 | |         self.insert(len, item);
[INFO] [stderr] 298 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn insert(&mut self, index: usize, item: Self::Item) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `insert` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 | /     fn pop(&mut self) -> Option<Self::Item> where Self: AddRemove {
[INFO] [stderr] 313 | |         let len = self.len();
[INFO] [stderr] 314 | |         self.remove(len.wrapping_sub(1))
[INFO] [stderr] 315 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `pop` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     fn remove(&mut self, index: usize) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     fn swap_remove(&mut self, index: usize) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `swap_remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 | /     fn truncate(&mut self, len: usize) where Self: AddRemove {
[INFO] [stderr] 335 | |         if len == 0 {
[INFO] [stderr] 336 | |             self.clear();
[INFO] [stderr] 337 | |         } else {
[INFO] [stderr] 338 | |             self.drain_range(len..);
[INFO] [stderr] 339 | |         }
[INFO] [stderr] 340 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `truncate` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `DrainRange` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 | /     fn drain_range<'a>(&'a mut self, range: R) -> Box<Iterator<Item = Self::Item> + 'a>
[INFO] [stderr] 224 | |         where Self: AddRemove;
[INFO] [stderr]     | |______________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `drain_range` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Iter` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 | /     fn iter_mut<'a>(&'a mut self) -> Box<Iterator<Item = &'a mut Self::Item> + 'a>
[INFO] [stderr] 208 | |         where Self: Mutate;
[INFO] [stderr]     | |___________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `iter_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn extend_object(&mut self, items: &mut Iterator<Item = Self::Item>) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `extend_object` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Map` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         fn get_mut(&mut self, key: &Q) -> Option<&mut Self::Value> where Self: Mutate;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `get_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Map` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         fn remove(&mut self, key: &Q) -> Option<Self::Value> where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:415:9
[INFO] [stderr]     |
[INFO] [stderr] 415 | /         fn iter_mut<'a>(&'a mut self)
[INFO] [stderr] 416 | |             -> Box<Iterator<Item = (&'a Self::Key, &'a mut Self::Value)> + 'a> where Self: Mutate;
[INFO] [stderr]     | |__________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `iter_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 | /         fn insert(&mut self, key: Self::Key, value: Self::Value) -> Option<Self::Value>
[INFO] [stderr] 425 | |             where Self: AddRemove;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `insert` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 | /         fn entry<'a>(&'a mut self, key: Self::Key) -> Entry<'a, Self::Key, Self::Value>
[INFO] [stderr] 429 | |             where Self: AddRemove;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `entry` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Set` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:610:9
[INFO] [stderr]     |
[INFO] [stderr] 610 | /         fn remove(&mut self, item: &Q) -> bool where Self: AddRemove {
[INFO] [stderr] 611 | |             self.take(item).is_some()
[INFO] [stderr] 612 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Set` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:617:9
[INFO] [stderr]     |
[INFO] [stderr] 617 |         fn take(&mut self, item: &Q) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `take` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:577:9
[INFO] [stderr]     |
[INFO] [stderr] 577 |         fn insert(&mut self, item: Self::Item) -> bool where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `insert` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:586:9
[INFO] [stderr]     |
[INFO] [stderr] 586 |         fn replace(&mut self, item: Self::Item) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `replace` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Queue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:627:5
[INFO] [stderr]     |
[INFO] [stderr] 627 |     fn push(&mut self, item: Self::Item) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Queue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn pop_front(&mut self) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `pop_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Deque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:681:5
[INFO] [stderr]     |
[INFO] [stderr] 681 |     fn pop_back(&mut self) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `pop_back` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `FifoQueue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:645:5
[INFO] [stderr]     |
[INFO] [stderr] 645 |     fn front_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `front_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `FifoDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:687:5
[INFO] [stderr]     |
[INFO] [stderr] 687 |     fn push_front(&mut self, item: Self::Item) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `FifoDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:692:5
[INFO] [stderr]     |
[INFO] [stderr] 692 |     fn back_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `back_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioQueue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:654:5
[INFO] [stderr]     |
[INFO] [stderr] 654 | /     fn push_pop_front(&mut self, item: Self::Item) -> Self::Item where Self: AddRemove {
[INFO] [stderr] 655 | |         self.push(item);
[INFO] [stderr] 656 | |         self.pop_front().expect("queue was empty after a `push`")
[INFO] [stderr] 657 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push_pop_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioQueue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:664:5
[INFO] [stderr]     |
[INFO] [stderr] 664 | /     fn replace_front(&mut self, item: Self::Item) -> Option<Self::Item> where Self: AddRemove {
[INFO] [stderr] 665 | |         let front = self.pop_front();
[INFO] [stderr] 666 | |         self.push(item);
[INFO] [stderr] 667 | |         front
[INFO] [stderr] 668 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `replace_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:701:5
[INFO] [stderr]     |
[INFO] [stderr] 701 | /     fn push_pop_back(&mut self, item: Self::Item) -> Self::Item where Self: AddRemove {
[INFO] [stderr] 702 | |         self.push(item);
[INFO] [stderr] 703 | |         self.pop_back().expect("deque was empty after a `push`")
[INFO] [stderr] 704 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push_pop_back` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:711:5
[INFO] [stderr]     |
[INFO] [stderr] 711 | /     fn replace_back(&mut self, item: Self::Item) -> Option<Self::Item> where Self: AddRemove {
[INFO] [stderr] 712 | |         let back = self.pop_back();
[INFO] [stderr] 713 | |         self.push(item);
[INFO] [stderr] 714 | |         back
[INFO] [stderr] 715 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `replace_back` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn extend_object(&mut self, items: &mut Iterator<Item = Self::Item>) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(where_clauses_object_safety)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `extend_object` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     fn clear(&mut self) where Self: AddRemove {
[INFO] [stderr] 152 | |         self.drain();
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `clear` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     fn drain<'a>(&'a mut self) -> Box<Iterator<Item = Self::Item> + 'a> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `drain` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn reserve(&mut self, additional: usize) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `reserve` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn shrink_to_fit(&mut self) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `shrink_to_fit` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn get_mut(&mut self, index: usize) -> Option<&mut Self::Item> where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `get_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn swap(&mut self, i: usize, j: usize) where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `swap` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 | /     fn reverse(&mut self) where Self: Mutate {
[INFO] [stderr] 258 | |         let len = self.len();
[INFO] [stderr] 259 | |
[INFO] [stderr] 260 | |         for i in 0..len / 2 {
[INFO] [stderr] 261 | |             self.swap(i, len - i - 1);
[INFO] [stderr] 262 | |         }
[INFO] [stderr] 263 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `reverse` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 | /     fn first_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate {
[INFO] [stderr] 276 | |         self.get_mut(0)
[INFO] [stderr] 277 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `first_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 | /     fn last_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate {
[INFO] [stderr] 290 | |         let len = self.len();
[INFO] [stderr] 291 | |         self.get_mut(len.wrapping_sub(1))
[INFO] [stderr] 292 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `last_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 | /     fn push(&mut self, item: Self::Item) where Self: AddRemove {
[INFO] [stderr] 296 | |         let len = self.len();
[INFO] [stderr] 297 | |         self.insert(len, item);
[INFO] [stderr] 298 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn insert(&mut self, index: usize, item: Self::Item) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `insert` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 | /     fn pop(&mut self) -> Option<Self::Item> where Self: AddRemove {
[INFO] [stderr] 313 | |         let len = self.len();
[INFO] [stderr] 314 | |         self.remove(len.wrapping_sub(1))
[INFO] [stderr] 315 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `pop` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     fn remove(&mut self, index: usize) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     fn swap_remove(&mut self, index: usize) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `swap_remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `List` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 | /     fn truncate(&mut self, len: usize) where Self: AddRemove {
[INFO] [stderr] 335 | |         if len == 0 {
[INFO] [stderr] 336 | |             self.clear();
[INFO] [stderr] 337 | |         } else {
[INFO] [stderr] 338 | |             self.drain_range(len..);
[INFO] [stderr] 339 | |         }
[INFO] [stderr] 340 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `truncate` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `DrainRange` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 | /     fn drain_range<'a>(&'a mut self, range: R) -> Box<Iterator<Item = Self::Item> + 'a>
[INFO] [stderr] 224 | |         where Self: AddRemove;
[INFO] [stderr]     | |______________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `drain_range` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Iter` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 | /     fn iter_mut<'a>(&'a mut self) -> Box<Iterator<Item = &'a mut Self::Item> + 'a>
[INFO] [stderr] 208 | |         where Self: Mutate;
[INFO] [stderr]     | |___________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `iter_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Collection` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn extend_object(&mut self, items: &mut Iterator<Item = Self::Item>) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `extend_object` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Map` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:455:9
[INFO] [stderr]     |
[INFO] [stderr] 455 |         fn get_mut(&mut self, key: &Q) -> Option<&mut Self::Value> where Self: Mutate;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `get_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Map` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:460:9
[INFO] [stderr]     |
[INFO] [stderr] 460 |         fn remove(&mut self, key: &Q) -> Option<Self::Value> where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:415:9
[INFO] [stderr]     |
[INFO] [stderr] 415 | /         fn iter_mut<'a>(&'a mut self)
[INFO] [stderr] 416 | |             -> Box<Iterator<Item = (&'a Self::Key, &'a mut Self::Value)> + 'a> where Self: Mutate;
[INFO] [stderr]     | |__________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `iter_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 | /         fn insert(&mut self, key: Self::Key, value: Self::Value) -> Option<Self::Value>
[INFO] [stderr] 425 | |             where Self: AddRemove;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `insert` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `map::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 | /         fn entry<'a>(&'a mut self, key: Self::Key) -> Entry<'a, Self::Key, Self::Value>
[INFO] [stderr] 429 | |             where Self: AddRemove;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `entry` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Set` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:610:9
[INFO] [stderr]     |
[INFO] [stderr] 610 | /         fn remove(&mut self, item: &Q) -> bool where Self: AddRemove {
[INFO] [stderr] 611 | |             self.take(item).is_some()
[INFO] [stderr] 612 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `remove` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Set` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:617:9
[INFO] [stderr]     |
[INFO] [stderr] 617 |         fn take(&mut self, item: &Q) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `take` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:577:9
[INFO] [stderr]     |
[INFO] [stderr] 577 |         fn insert(&mut self, item: Self::Item) -> bool where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `insert` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `set::Base` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:586:9
[INFO] [stderr]     |
[INFO] [stderr] 586 |         fn replace(&mut self, item: Self::Item) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `replace` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Queue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:627:5
[INFO] [stderr]     |
[INFO] [stderr] 627 |     fn push(&mut self, item: Self::Item) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Queue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn pop_front(&mut self) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `pop_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `Deque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:681:5
[INFO] [stderr]     |
[INFO] [stderr] 681 |     fn pop_back(&mut self) -> Option<Self::Item> where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `pop_back` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `FifoQueue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:645:5
[INFO] [stderr]     |
[INFO] [stderr] 645 |     fn front_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `front_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `FifoDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:687:5
[INFO] [stderr]     |
[INFO] [stderr] 687 |     fn push_front(&mut self, item: Self::Item) where Self: AddRemove;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `FifoDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:692:5
[INFO] [stderr]     |
[INFO] [stderr] 692 |     fn back_mut(&mut self) -> Option<&mut Self::Item> where Self: Mutate;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `back_mut` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioQueue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:654:5
[INFO] [stderr]     |
[INFO] [stderr] 654 | /     fn push_pop_front(&mut self, item: Self::Item) -> Self::Item where Self: AddRemove {
[INFO] [stderr] 655 | |         self.push(item);
[INFO] [stderr] 656 | |         self.pop_front().expect("queue was empty after a `push`")
[INFO] [stderr] 657 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push_pop_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioQueue` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:664:5
[INFO] [stderr]     |
[INFO] [stderr] 664 | /     fn replace_front(&mut self, item: Self::Item) -> Option<Self::Item> where Self: AddRemove {
[INFO] [stderr] 665 | |         let front = self.pop_front();
[INFO] [stderr] 666 | |         self.push(item);
[INFO] [stderr] 667 | |         front
[INFO] [stderr] 668 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `replace_front` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:701:5
[INFO] [stderr]     |
[INFO] [stderr] 701 | /     fn push_pop_back(&mut self, item: Self::Item) -> Self::Item where Self: AddRemove {
[INFO] [stderr] 702 | |         self.push(item);
[INFO] [stderr] 703 | |         self.pop_back().expect("deque was empty after a `push`")
[INFO] [stderr] 704 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `push_pop_back` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `PrioDeque` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:711:5
[INFO] [stderr]     |
[INFO] [stderr] 711 | /     fn replace_back(&mut self, item: Self::Item) -> Option<Self::Item> where Self: AddRemove {
[INFO] [stderr] 712 | |         let back = self.pop_back();
[INFO] [stderr] 713 | |         self.push(item);
[INFO] [stderr] 714 | |         back
[INFO] [stderr] 715 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = note: method `replace_back` references the `Self` type in where clauses
[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/impls.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | /     fn entry<'a>(&'a mut self, key: K) -> map::Entry<'a, K, V> {
[INFO] [stderr] 147 | |         match self.entry(key) {
[INFO] [stderr] 148 | |             btree_map::Entry::Occupied(e) => map::Entry::Occupied(Box::new(e)),
[INFO] [stderr] 149 | |             btree_map::Entry::Vacant(e) => map::Entry::Vacant(Box::new(e)),
[INFO] [stderr] 150 | |         }
[INFO] [stderr] 151 | |     }
[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: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:362:34
[INFO] [stderr]     |
[INFO] [stderr] 362 | impl<K: Eq + Hash, V> Mutate for HashMap<K, V> {}
[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] 362 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> Mutate for HashMap<K, V, S> {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:364:37
[INFO] [stderr]     |
[INFO] [stderr] 364 | impl<K: Eq + Hash, V> AddRemove 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] 364 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> AddRemove for HashMap<K, V, S> {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:366:38
[INFO] [stderr]     |
[INFO] [stderr] 366 | impl<K: Eq + Hash, V> Collection 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] 366 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> Collection for HashMap<K, V, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:410:37
[INFO] [stderr]     |
[INFO] [stderr] 410 | impl<K: Eq + Hash, V> map::Base 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] 410 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> map::Base for HashMap<K, V, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^^
[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/impls.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 | /     fn entry<'a>(&'a mut self, key: K) -> map::Entry<'a, K, V> {
[INFO] [stderr] 427 | |         match self.entry(key) {
[INFO] [stderr] 428 | |             hash_map::Entry::Occupied(e) => map::Entry::Occupied(Box::new(e)),
[INFO] [stderr] 429 | |             hash_map::Entry::Vacant(e) => map::Entry::Vacant(Box::new(e)),
[INFO] [stderr] 430 | |         }
[INFO] [stderr] 431 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:466:34
[INFO] [stderr]     |
[INFO] [stderr] 466 | impl<T: Eq + Hash> AddRemove for HashSet<T> {}
[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] 466 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> AddRemove for HashSet<T, S> {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:468:35
[INFO] [stderr]     |
[INFO] [stderr] 468 | impl<T: Eq + Hash> Collection for HashSet<T> {
[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] 468 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> Collection for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:512:29
[INFO] [stderr]     |
[INFO] [stderr] 512 | impl<T: Eq + Hash> Iter for HashSet<T> {
[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] 512 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> Iter for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:522:34
[INFO] [stderr]     |
[INFO] [stderr] 522 | impl<T: Eq + Hash> set::Base for HashSet<T> {
[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] 522 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> set::Base for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:540:66
[INFO] [stderr]     |
[INFO] [stderr] 540 | impl<T: Eq + Hash + Borrow<Q>, Q: ?Sized + Eq + Hash> Set<Q> for HashSet<T> {
[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] 540 | impl<T: Eq + Hash + Borrow<Q>, Q: ?Sized + Eq + Hash, S: ::std::hash::BuildHasher> Set<Q> for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^^
[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/impls.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | /     fn entry<'a>(&'a mut self, key: K) -> map::Entry<'a, K, V> {
[INFO] [stderr] 147 | |         match self.entry(key) {
[INFO] [stderr] 148 | |             btree_map::Entry::Occupied(e) => map::Entry::Occupied(Box::new(e)),
[INFO] [stderr] 149 | |             btree_map::Entry::Vacant(e) => map::Entry::Vacant(Box::new(e)),
[INFO] [stderr] 150 | |         }
[INFO] [stderr] 151 | |     }
[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: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:362:34
[INFO] [stderr]     |
[INFO] [stderr] 362 | impl<K: Eq + Hash, V> Mutate for HashMap<K, V> {}
[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] 362 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> Mutate for HashMap<K, V, S> {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:364:37
[INFO] [stderr]     |
[INFO] [stderr] 364 | impl<K: Eq + Hash, V> AddRemove 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] 364 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> AddRemove for HashMap<K, V, S> {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:366:38
[INFO] [stderr]     |
[INFO] [stderr] 366 | impl<K: Eq + Hash, V> Collection 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] 366 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> Collection for HashMap<K, V, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:410:37
[INFO] [stderr]     |
[INFO] [stderr] 410 | impl<K: Eq + Hash, V> map::Base 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] 410 | impl<K: Eq + Hash, V, S: ::std::hash::BuildHasher> map::Base for HashMap<K, V, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^^
[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/impls.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 | /     fn entry<'a>(&'a mut self, key: K) -> map::Entry<'a, K, V> {
[INFO] [stderr] 427 | |         match self.entry(key) {
[INFO] [stderr] 428 | |             hash_map::Entry::Occupied(e) => map::Entry::Occupied(Box::new(e)),
[INFO] [stderr] 429 | |             hash_map::Entry::Vacant(e) => map::Entry::Vacant(Box::new(e)),
[INFO] [stderr] 430 | |         }
[INFO] [stderr] 431 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:466:34
[INFO] [stderr]     |
[INFO] [stderr] 466 | impl<T: Eq + Hash> AddRemove for HashSet<T> {}
[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] 466 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> AddRemove for HashSet<T, S> {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:468:35
[INFO] [stderr]     |
[INFO] [stderr] 468 | impl<T: Eq + Hash> Collection for HashSet<T> {
[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] 468 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> Collection for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:512:29
[INFO] [stderr]     |
[INFO] [stderr] 512 | impl<T: Eq + Hash> Iter for HashSet<T> {
[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] 512 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> Iter for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:522:34
[INFO] [stderr]     |
[INFO] [stderr] 522 | impl<T: Eq + Hash> set::Base for HashSet<T> {
[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] 522 | impl<T: Eq + Hash, S: ::std::hash::BuildHasher> set::Base for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashSet` should be generalized over different hashers
[INFO] [stderr]    --> src/impls.rs:540:66
[INFO] [stderr]     |
[INFO] [stderr] 540 | impl<T: Eq + Hash + Borrow<Q>, Q: ?Sized + Eq + Hash> Set<Q> for HashSet<T> {
[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] 540 | impl<T: Eq + Hash + Borrow<Q>, Q: ?Sized + Eq + Hash, S: ::std::hash::BuildHasher> Set<Q> for HashSet<T, S> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^^
[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/lib.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 | /         fn entry<'a>(&'a mut self, key: Self::Key) -> Entry<'a, Self::Key, Self::Value>
[INFO] [stderr] 429 | |             where Self: AddRemove;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/lib.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 | /         fn entry<'a>(&'a mut self, key: Self::Key) -> Entry<'a, Self::Key, Self::Value>
[INFO] [stderr] 429 | |             where Self: AddRemove;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr]     |
[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 0.89s
[INFO] running `"docker" "inspect" "5be2cee2a5927f7830d1adfbd31e9c90550263980d1a671f3f55b3d8904acc03"`
[INFO] running `"docker" "rm" "-f" "5be2cee2a5927f7830d1adfbd31e9c90550263980d1a671f3f55b3d8904acc03"`
[INFO] [stdout] 5be2cee2a5927f7830d1adfbd31e9c90550263980d1a671f3f55b3d8904acc03