[INFO] fetching crate qcollect-traits 0.7.4...
[INFO] checking qcollect-traits-0.7.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate qcollect-traits 0.7.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qcollect-traits 0.7.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate qcollect-traits 0.7.4
[INFO] finished tweaking crates.io crate qcollect-traits 0.7.4
[INFO] tweaked toml for crates.io crate qcollect-traits 0.7.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87d0dc31d3dfb3e543c718142999b4593536efd419edd6a662c68338eb4a972e
[INFO] running `"docker" "start" "-a" "87d0dc31d3dfb3e543c718142999b4593536efd419edd6a662c68338eb4a972e"`
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking qcollect-traits v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/core.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl<'r, 'a, T: ?Sized> _Iterate<'a> for &'r T
[INFO] [stderr]    |                         ^^^^^^^^^^^^ expected type parameter, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]               found type `<&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = help: type parameters must be constrained to match other types
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 | impl<'r, 'a, T: ?Sized> _Iterate<'a> for &'r mut T
[INFO] [stderr]     |                         ^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:139:25
[INFO] [stderr]     |
[INFO] [stderr] 139 | impl<'r, 'a, T: ?Sized> _IterateMut<'a> for &'r mut T
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:265:21
[INFO] [stderr]     |
[INFO] [stderr] 265 | impl<'a, T: ?Sized> _Iterate<'a> for Box<T>
[INFO] [stderr]     |                     ^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:277:21
[INFO] [stderr]     |
[INFO] [stderr] 277 | impl<'a, T: ?Sized> _IterateMut<'a> for Box<T>
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl<'a, T: 'a> _Iterate<'a> for [T] {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl<'a, T: 'a> _IterateMut<'a> for [T] {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 | impl<'a, T: 'a> _Iterate<'a> for Vec<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl<'a, T: 'a> _IterateMut<'a> for Vec<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'a, T: 'a> _Iterate<'a> for VecDeque<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<'a, T: 'a> _IterateMut<'a> for VecDeque<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl<'a, T: 'a> _Iterate<'a> for LinkedList<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<'a, T: 'a> _IterateMut<'a> for LinkedList<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<bit_vec::Iter<'_> as std::iter::Iterator>::Item == <bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/bit_vec.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl<'a> _Iterate<'a> for BitVec {
[INFO] [stderr]    |          ^^^^^^^^^^^^ expected bool, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `bool`
[INFO] [stderr]               found type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item` to `bool`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_set::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_set.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<'a, T: Ord + 'a> _Iterate<'a> for BTreeSet<T> {
[INFO] [stderr]    |                       ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::Iter<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 | impl<'a, K: Ord + 'a, V: 'a> _Iterate<'a> for BTreeMap<K, V> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item` to `(&_, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::IterMut<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl<'a, K: Ord + 'a, V: 'a> _IterateMut<'a> for BTreeMap<K, V> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &mut V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item` to `(&_, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::Iter<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl<'a, T: 'a> _Iterate<'a> for VecMap<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item` to `(usize, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::IterMut<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl<'a, T: 'a> _IterateMut<'a> for VecMap<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &mut T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item` to `(usize, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/core.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found reference
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]               found type `<&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = help: type parameters must be constrained to match other types
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:69:1
[INFO] [stderr]     |
[INFO] [stderr] 69  | pub trait _Iterate<'a> {
[INFO] [stderr]     | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (**self).iter_mut() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | pub trait _IterateMut<'a> {
[INFO] [stderr]     | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:69:1
[INFO] [stderr]     |
[INFO] [stderr] 69  | pub trait _Iterate<'a> {
[INFO] [stderr]     | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (**self).iter_mut() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | pub trait _IterateMut<'a> {
[INFO] [stderr]     | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (**self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/core.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl<'r, 'a, T: ?Sized> _Iterate<'a> for &'r T
[INFO] [stderr]    |                         ^^^^^^^^^^^^ expected type parameter, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]               found type `<&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = help: type parameters must be constrained to match other types
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] 127 | impl<'r, 'a, T: ?Sized> _Iterate<'a> for &'r mut T
[INFO] [stderr]     |                         ^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:139:25
[INFO] [stderr]     |
[INFO] [stderr] 139 | impl<'r, 'a, T: ?Sized> _IterateMut<'a> for &'r mut T
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<bit_vec::Iter<'_> as std::iter::Iterator>::Item == <bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/bit_vec.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected bool, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `bool`
[INFO] [stderr]               found type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item` to `bool`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_set::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_set.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:265:21
[INFO] [stderr]     |
[INFO] [stderr] 265 | impl<'a, T: ?Sized> _Iterate<'a> for Box<T>
[INFO] [stderr]     |                     ^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:277:21
[INFO] [stderr]     |
[INFO] [stderr] 277 | impl<'a, T: ?Sized> _IterateMut<'a> for Box<T>
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::Iter<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item` to `(&_, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::IterMut<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &mut V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item` to `(&_, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::Iter<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item` to `(usize, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::IterMut<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &mut T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item` to `(usize, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl<'a, T: 'a> _Iterate<'a> for [T] {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 38 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0271`.
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl<'a, T: 'a> _IterateMut<'a> for [T] {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 | impl<'a, T: 'a> _Iterate<'a> for Vec<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl<'a, T: 'a> _IterateMut<'a> for Vec<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'a, T: 'a> _Iterate<'a> for VecDeque<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<'a, T: 'a> _IterateMut<'a> for VecDeque<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl<'a, T: 'a> _Iterate<'a> for LinkedList<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<'a, T: 'a> _IterateMut<'a> for LinkedList<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<bit_vec::Iter<'_> as std::iter::Iterator>::Item == <bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/bit_vec.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl<'a> _Iterate<'a> for BitVec {
[INFO] [stderr]    |          ^^^^^^^^^^^^ expected bool, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `bool`
[INFO] [stderr]               found type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item` to `bool`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_set::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_set.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<'a, T: Ord + 'a> _Iterate<'a> for BTreeSet<T> {
[INFO] [stderr]    |                       ^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `qcollect-traits`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::Iter<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 | impl<'a, K: Ord + 'a, V: 'a> _Iterate<'a> for BTreeMap<K, V> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item` to `(&_, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::IterMut<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl<'a, K: Ord + 'a, V: 'a> _IterateMut<'a> for BTreeMap<K, V> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &mut V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item` to `(&_, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::Iter<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl<'a, T: 'a> _Iterate<'a> for VecMap<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item` to `(usize, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::IterMut<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl<'a, T: 'a> _IterateMut<'a> for VecMap<T> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &mut T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item` to `(usize, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/core.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found reference
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]               found type `<&'r T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = help: type parameters must be constrained to match other types
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:69:1
[INFO] [stderr]     |
[INFO] [stderr] 69  | pub trait _Iterate<'a> {
[INFO] [stderr]     | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (**self).iter_mut() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found mutable reference
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | pub trait _IterateMut<'a> {
[INFO] [stderr]     | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<&'r mut T as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_Iterate<'_>>::Iter as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:69:1
[INFO] [stderr]     |
[INFO] [stderr] 69  | pub trait _Iterate<'a> {
[INFO] [stderr]     | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_Iterate<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<<T as traits::_IterateMut<'_>>::IterMut as std::iter::Iterator>::Item == <std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    --> src/impls/core.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (**self).iter_mut() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter, found struct `std::boxed::Box`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/traits.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | pub trait _IterateMut<'a> {
[INFO] [stderr]     | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `<T as traits::_IterateMut<'_>>::Item`
[INFO] [stderr]                found type `<std::boxed::Box<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<[T] as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/slice.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<[T] as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<[T] as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::Iter<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (**self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::slice::IterMut<'_, T> as std::iter::Iterator>::Item == <std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (**self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::vec::Vec<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::vec_deque::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_deque.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::VecDeque<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::linked_list::IterMut<'_, T> as std::iter::Iterator>::Item == <std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/linked_list.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &mut _, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut T`
[INFO] [stderr]               found type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::LinkedList<T> as traits::_IterateMut<'a>>::Item` to `&mut _`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<bit_vec::Iter<'_> as std::iter::Iterator>::Item == <bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/bit_vec.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected bool, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `bool`
[INFO] [stderr]               found type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<bit_vec::BitVec as traits::_Iterate<'a>>::Item` to `bool`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_set::Iter<'_, T> as std::iter::Iterator>::Item == <std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_set.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&T`
[INFO] [stderr]               found type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeSet<T> as traits::_Iterate<'a>>::Item` to `&_`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::Iter<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_Iterate<'a>>::Item` to `(&_, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::collections::btree_map::IterMut<'_, K, V> as std::iter::Iterator>::Item == <std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/btree_map.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(&K, &mut V)`
[INFO] [stderr]               found type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<std::collections::BTreeMap<K, V> as traits::_IterateMut<'a>>::Item` to `(&_, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::Iter<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn iter<'a>(&'a self) -> <Self as _Iterate<'a>>::Iter { (*self).iter() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub trait _Iterate<'a> {
[INFO] [stderr]    | ---------------------- required by `traits::_Iterate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_Iterate<'a>>::Item` to `(usize, &_)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<vec_map::IterMut<'_, T> as std::iter::Iterator>::Item == <vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]   --> src/impls/vec_map.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn iter_mut<'a>(&'a mut self) -> <Self as _IterateMut<'a>>::IterMut { (*self).iter_mut() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found associated type
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/traits.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub trait _IterateMut<'a> {
[INFO] [stderr]    | ------------------------- required by `traits::_IterateMut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(usize, &mut T)`
[INFO] [stderr]               found type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item`
[INFO] [stderr]    = note: consider constraining the associated type `<vec_map::VecMap<T> as traits::_IterateMut<'a>>::Item` to `(usize, &mut _)`
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 38 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0271`.
[INFO] [stderr] error: could not compile `qcollect-traits`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "87d0dc31d3dfb3e543c718142999b4593536efd419edd6a662c68338eb4a972e"`
[INFO] running `"docker" "rm" "-f" "87d0dc31d3dfb3e543c718142999b4593536efd419edd6a662c68338eb4a972e"`
[INFO] [stdout] 87d0dc31d3dfb3e543c718142999b4593536efd419edd6a662c68338eb4a972e