[INFO] cloning repository https://github.com/rklaehn/interval-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/interval-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Finterval-rs", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05905e13d3e6217415b3562029173ee5d9839db7
[INFO] checking rklaehn/interval-rs against master#4008bbdf34b583ce44a467043aae3703afc0a76f for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Finterval-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/rklaehn/interval-rs
[INFO] finished tweaking git repo https://github.com/rklaehn/interval-rs
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[INFO] validating manifest of git repo https://github.com/rklaehn/interval-rs on toolchain 4008bbdf34b583ce44a467043aae3703afc0a76f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rklaehn/interval-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stderr]     Checking vec-set v0.1.0 (/opt/rustwide/workdir/vec-set)
[INFO] [stdout] warning: unused import: `alga::general::AdditiveSemigroup`
[INFO] [stdout]  --> vec-set/src/array_seq.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alga::general::AdditiveSemigroup;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alga::general::ClosedAdd`
[INFO] [stdout]  --> vec-set/src/total_array_seq.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alga::general::ClosedAdd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign` and `Add`
[INFO] [stdout]   --> vec-set/src/total_array_seq.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ops::{Add, AddAssign};
[INFO] [stdout]    |                ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::iterators::SliceIterator`
[INFO] [stdout]  --> vec-set/src/array_set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::iterators::SliceIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> vec-set/src/merge_state.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn move_a(&mut self, n: usize) -> EarlyOut {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> vec-set/src/merge_state.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn move_b(&mut self, n: usize) -> EarlyOut {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> vec-set/src/array_set.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let mut iter = iter.into_iter();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MergeOperation` is never used
[INFO] [stdout]   --> vec-set/src/binary_merge.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) trait MergeOperation<A, B, M: MergeStateRead<A, B>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge` is never used
[INFO] [stdout]   --> vec-set/src/merge_state.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<'a, A, B> UnsafeInPlaceMergeState<A, B> {
[INFO] [stdout]    | -------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &mut Vec<A>, b: Vec<B>, o: O) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeSliceMergeState` is never constructed
[INFO] [stdout]    --> vec-set/src/merge_state.rs:321:19
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub(crate) struct UnsafeSliceMergeState<'a, T> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `merge0` and `merge` are never used
[INFO] [stdout]    --> vec-set/src/merge_state.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl<'a, T> UnsafeSliceMergeState<'a, T> {
[INFO] [stdout]     | ---------------------------------------- associated functions in this implementation
[INFO] [stdout] 330 |     fn merge0<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     fn merge<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_total` is never used
[INFO] [stdout]   --> vec-set/src/array_seq.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: Eq> ArraySeq<T> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 16 |     fn as_total(self, default: T) -> TotalArraySeq<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayMap` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ArrayMap<K, V>(Vec<(K, V)>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RightBiasedUnionOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct RightBiasedUnionOp;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LeftJoinArg` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum LeftJoinArg<A, B> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RightJoinArg` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum RightJoinArg<A, B> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OuterJoinArg` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub enum OuterJoinArg<A, B> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OuterJoinOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct OuterJoinOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeftJoinOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct LeftJoinOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RightJoinOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct RightJoinOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InnerJoinOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct InnerJoinOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OuterJoinWithOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct OuterJoinWithOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecMergeState` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(crate) struct VecMergeState<'a, A, B, R> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl<'a, A, B, R> VecMergeState<'a, A, B, R> {
[INFO] [stdout]    | -------------------------------------------- associated function in this implementation
[INFO] [stdout] 79 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> Vec<R> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PairMergeState` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | type PairMergeState<'a, K, A, B, R> = VecMergeState<'a, (K, A), (K, B), (K, R)>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `InPlacePairMergeState` is never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 | type InPlacePairMergeState<'a, K, A, B> = UnsafeInPlaceMergeState<(K, A), (K, B)>;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl<K, V> ArrayMap<K, V> {
[INFO] [stdout]     | ------------------------- associated items in this implementation
[INFO] [stdout] 240 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 |     pub fn as_slice(&self) -> &[(K, V)] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn retain<F: FnMut((&K, &V)) -> bool>(&mut self, mut f: F) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub(crate) fn iter(&self) -> SliceIterator<(K, V)> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn map_values<R, F: FnMut(V) -> R>(self, mut f: F) -> ArrayMap<K, R> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     pub(crate) fn from_sorted_vec(v: Vec<(K, V)>) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub(crate) fn into_sorted_vec(self) -> Vec<(K, V)> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `merge_with`, `get`, and `get_mut` are never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:279:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | impl<K: Ord, V> ArrayMap<K, V> {
[INFO] [stdout]     | ------------------------------ methods in this implementation
[INFO] [stdout] 279 |     fn merge_with(&mut self, rhs: ArrayMap<K, V>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 294 |     pub fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `single`, `outer_join`, `left_join`, `right_join`, and `inner_join` are never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:308:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | impl<K: Ord + Clone, V: Clone> ArrayMap<K, V> {
[INFO] [stdout]     | --------------------------------------------- associated items in this implementation
[INFO] [stdout] 308 |     pub fn single(k: K, v: V) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 324 |     pub fn outer_join<W: Clone, R, F: Fn(OuterJoinArg<&V, &W>) -> R>(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn left_join<W: Clone, R, F: Fn(LeftJoinArg<&V, &W>) -> R>(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     pub fn right_join<W: Clone, R, F: Fn(RightJoinArg<&V, &W>) -> R>(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     pub fn inner_join<W: Clone, R, F: Fn(&V, &W) -> R>(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TotalArrayMap` is never constructed
[INFO] [stdout]  --> vec-set/src/total_array_map.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct TotalArrayMap<K, V>(ArrayMap<K, V>, V);
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> vec-set/src/total_array_map.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<K, V: Eq> TotalArrayMap<K, V> {
[INFO] [stdout]    | ---------------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(map: ArrayMap<K, V>, default: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `constant` and `as_slice` are never used
[INFO] [stdout]   --> vec-set/src/total_array_map.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<K, V> TotalArrayMap<K, V> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] 21 |     pub fn constant(value: V) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn as_slice(&self) -> &[(K, V)] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombineOp` is never constructed
[INFO] [stdout]   --> vec-set/src/total_array_map.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct CombineOp<'a, F, V> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastCombineOp` is never constructed
[INFO] [stdout]   --> vec-set/src/total_array_map.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FastCombineOp<'a, F, V> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PairMergeState` is never used
[INFO] [stdout]   --> vec-set/src/total_array_map.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | type PairMergeState<'a, K, V> = VecMergeState<'a, (K, V), (K, V), (K, V)>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `combine` is never used
[INFO] [stdout]    --> vec-set/src/total_array_map.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl<K: Ord + Clone, V: Eq> TotalArrayMap<K, V> {
[INFO] [stdout]     | ----------------------------------------------- method in this implementation
[INFO] [stdout] 116 |     pub fn combine<F: Fn(&V, &V) -> V>(&self, that: &Self, f: F) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `supremum` and `infimum` are never used
[INFO] [stdout]    --> vec-set/src/total_array_map.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | impl<K: Ord + Clone, V: Ord + Clone> TotalArrayMap<K, V> {
[INFO] [stdout]     | -------------------------------------------------------- methods in this implementation
[INFO] [stdout] 130 |     pub fn supremum(&self, that: &Self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn infimum(&self, that: &Self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fast_combine` is never used
[INFO] [stdout]    --> vec-set/src/total_array_map.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl<K: Ord + Clone, V: Eq + Clone> TotalArrayMap<K, V> {
[INFO] [stdout]     | ------------------------------------------------------- method in this implementation
[INFO] [stdout] 139 |     pub(crate) fn fast_combine<F: Fn(&V, &V) -> V>(
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `map_values` is never used
[INFO] [stdout]    --> vec-set/src/total_array_map.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | impl<K: Clone, V: Eq> TotalArrayMap<K, V> {
[INFO] [stdout]     | ----------------------------------------- method in this implementation
[INFO] [stdout] 155 |     pub fn map_values<W: Eq, F: Fn(&V) -> W>(&self, f: F) -> TotalArrayMap<K, W> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce` is never used
[INFO] [stdout]  --> vec-set/src/sonic_reducer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn reduce<T, I: IntoIterator<Item = T>, F: Fn(&mut T, T)>(iter: I, op: F) -> Option<T> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SonicReducer` is never constructed
[INFO] [stdout]   --> vec-set/src/sonic_reducer.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SonicReducer<T, F> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_and_get` is never used
[INFO] [stdout]   --> vec-set/src/sonic_reducer.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn zero_and_get<T>(a: &mut Option<T>) -> Option<T> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adsorb` is never used
[INFO] [stdout]   --> vec-set/src/sonic_reducer.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn adsorb<T, F: Fn(&mut T, T)>(op: &F, a: &mut Option<T>, b: Option<T>) -> Option<T> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reserve`, `reduce_to`, `add`, and `result` are never used
[INFO] [stdout]   --> vec-set/src/sonic_reducer.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T, F: Fn(&mut T, T)> SonicReducer<T, F> {
[INFO] [stdout]    | -------------------------------------------- methods in this implementation
[INFO] [stdout] 41 |     // ensures that we can assign at the given index
[INFO] [stdout] 42 |     fn reserve(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn reduce_to(&mut self, level: usize, value: Option<T>) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn add(&mut self, value: Option<T>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn result(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size_hint` is never used
[INFO] [stdout]    --> vec-set/src/iterators.rs:312:8
[INFO] [stdout]     |
[INFO] [stdout] 297 | / impl<K, A, B, R, I, J, F> OuterJoin<K, A, B, R, I, J, F>
[INFO] [stdout] 298 | | where
[INFO] [stdout] 299 | |     K: Ord,
[INFO] [stdout] 300 | |     I: SortedPairIterator<K, A>,
[INFO] [stdout] 301 | |     J: SortedPairIterator<K, B>,
[INFO] [stdout] 302 | |     F: FnMut(Option<A>, Option<B>) -> R,
[INFO] [stdout]     | |________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 312 |       fn size_hint(&self) -> (usize, Option<usize>) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> vec-set/src/array_set.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> vec-set/src/array_map.rs:256:24
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub(crate) fn iter(&self) -> SliceIterator<(K, V)> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub(crate) fn iter(&self) -> SliceIterator<'_, (K, V)> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> vec-set/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> vec-set/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alga::general::AdditiveSemigroup`
[INFO] [stdout]  --> vec-set/src/array_seq.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alga::general::AdditiveSemigroup;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alga::general::ClosedAdd`
[INFO] [stdout]  --> vec-set/src/total_array_seq.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alga::general::ClosedAdd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign` and `Add`
[INFO] [stdout]   --> vec-set/src/total_array_seq.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ops::{Add, AddAssign};
[INFO] [stdout]    |                ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::iterators::SliceIterator`
[INFO] [stdout]  --> vec-set/src/array_set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::iterators::SliceIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test_macros::*`
[INFO] [stdout]    --> vec-set/src/array_set.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use crate::test_macros::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test_macros::*`
[INFO] [stdout]    --> vec-set/src/range_set.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |     use crate::test_macros::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]    --> vec-set/src/range_set.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |     use std::collections::BTreeSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> vec-set/src/merge_state.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn move_a(&mut self, n: usize) -> EarlyOut {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> vec-set/src/merge_state.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn move_b(&mut self, n: usize) -> EarlyOut {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> vec-set/src/array_set.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let mut iter = iter.into_iter();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> vec-set/src/test_macros.rs:75:44
[INFO] [stdout]     |
[INFO] [stdout]  75 |         fn double_negate_neutral(a: $test, b: $test) -> bool {
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: vec-set/src/total_array_set.rs:353:5
[INFO] [stdout]     |
[INFO] [stdout] 353 |     all_neutral!(Test);
[INFO] [stdout]     |     ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `b` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> vec-set/src/test_macros.rs:75:44
[INFO] [stdout]     |
[INFO] [stdout]  75 |         fn double_negate_neutral(a: $test, b: $test) -> bool {
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: vec-set/src/total_array_set.rs:353:5
[INFO] [stdout]     |
[INFO] [stdout] 353 |     all_neutral!(Test);
[INFO] [stdout]     |     ------------------ in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `all_neutral` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> vec-set/src/array_map.rs:426:46
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let actual = a.inner_join(&b, |a,b| a.clone());
[INFO] [stdout]     |                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> vec-set/src/range_set.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let r: Test = x.bitor(&y);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> vec-set/src/test_macros.rs:75:44
[INFO] [stdout]     |
[INFO] [stdout]  75 |         fn double_negate_neutral(a: $test, b: $test) -> bool {
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: vec-set/src/range_set.rs:574:5
[INFO] [stdout]     |
[INFO] [stdout] 574 |     all_neutral!(Test);
[INFO] [stdout]     |     ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `b` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> vec-set/src/test_macros.rs:75:44
[INFO] [stdout]     |
[INFO] [stdout]  75 |         fn double_negate_neutral(a: $test, b: $test) -> bool {
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: vec-set/src/range_set.rs:574:5
[INFO] [stdout]     |
[INFO] [stdout] 574 |     all_neutral!(Test);
[INFO] [stdout]     |     ------------------ in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `all_neutral` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeSliceMergeState` is never constructed
[INFO] [stdout]    --> vec-set/src/merge_state.rs:321:19
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub(crate) struct UnsafeSliceMergeState<'a, T> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `merge0` and `merge` are never used
[INFO] [stdout]    --> vec-set/src/merge_state.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl<'a, T> UnsafeSliceMergeState<'a, T> {
[INFO] [stdout]     | ---------------------------------------- associated functions in this implementation
[INFO] [stdout] 330 |     fn merge0<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     fn merge<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LeftJoinArg` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum LeftJoinArg<A, B> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RightJoinArg` is never used
[INFO] [stdout]   --> vec-set/src/array_map.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum RightJoinArg<A, B> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeftJoinOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct LeftJoinOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RightJoinOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct RightJoinOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OuterJoinWithOp` is never constructed
[INFO] [stdout]   --> vec-set/src/array_map.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct OuterJoinWithOp<F>(F);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `InPlacePairMergeState` is never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 | type InPlacePairMergeState<'a, K, A, B> = UnsafeInPlaceMergeState<(K, A), (K, B)>;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `map_values`, and `into_sorted_vec` are never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl<K, V> ArrayMap<K, V> {
[INFO] [stdout]     | ------------------------- methods in this implementation
[INFO] [stdout] 240 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn map_values<R, F: FnMut(V) -> R>(self, mut f: F) -> ArrayMap<K, R> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub(crate) fn into_sorted_vec(self) -> Vec<(K, V)> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:294:12
[INFO] [stdout]     |
[INFO] [stdout] 278 | impl<K: Ord, V> ArrayMap<K, V> {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 294 |     pub fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `single`, `left_join`, and `right_join` are never used
[INFO] [stdout]    --> vec-set/src/array_map.rs:308:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | impl<K: Ord + Clone, V: Clone> ArrayMap<K, V> {
[INFO] [stdout]     | --------------------------------------------- associated items in this implementation
[INFO] [stdout] 308 |     pub fn single(k: K, v: V) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn left_join<W: Clone, R, F: Fn(LeftJoinArg<&V, &W>) -> R>(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     pub fn right_join<W: Clone, R, F: Fn(RightJoinArg<&V, &W>) -> R>(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastCombineOp` is never constructed
[INFO] [stdout]   --> vec-set/src/total_array_map.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FastCombineOp<'a, F, V> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fast_combine` is never used
[INFO] [stdout]    --> vec-set/src/total_array_map.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl<K: Ord + Clone, V: Eq + Clone> TotalArrayMap<K, V> {
[INFO] [stdout]     | ------------------------------------------------------- method in this implementation
[INFO] [stdout] 139 |     pub(crate) fn fast_combine<F: Fn(&V, &V) -> V>(
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Elem` is never used
[INFO] [stdout]    --> vec-set/src/range_set.rs:490:10
[INFO] [stdout]     |
[INFO] [stdout] 490 |     type Elem = i32;
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Ref` is never used
[INFO] [stdout]    --> vec-set/src/range_set.rs:491:10
[INFO] [stdout]     |
[INFO] [stdout] 491 |     type Ref = (Vec<Range<Elem>>, bool);
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `union_contains` is never used
[INFO] [stdout]    --> vec-set/src/range_set.rs:494:8
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn union_contains(x: &Ref, elem: &Elem) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersection_contains` is never used
[INFO] [stdout]    --> vec-set/src/range_set.rs:499:8
[INFO] [stdout]     |
[INFO] [stdout] 499 |     fn intersection_contains(x: &Ref, elem: &Elem) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sample` is never used
[INFO] [stdout]    --> vec-set/src/range_set.rs:504:8
[INFO] [stdout]     |
[INFO] [stdout] 504 |     fn sample(x: &Ref) -> Vec<Elem> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_test` is never used
[INFO] [stdout]    --> vec-set/src/range_set.rs:519:8
[INFO] [stdout]     |
[INFO] [stdout] 519 |     fn to_test(r: &Ref) -> Test {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size_hint` is never used
[INFO] [stdout]    --> vec-set/src/iterators.rs:312:8
[INFO] [stdout]     |
[INFO] [stdout] 297 | / impl<K, A, B, R, I, J, F> OuterJoin<K, A, B, R, I, J, F>
[INFO] [stdout] 298 | | where
[INFO] [stdout] 299 | |     K: Ord,
[INFO] [stdout] 300 | |     I: SortedPairIterator<K, A>,
[INFO] [stdout] 301 | |     J: SortedPairIterator<K, B>,
[INFO] [stdout] 302 | |     F: FnMut(Option<A>, Option<B>) -> R,
[INFO] [stdout]     | |________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 312 |       fn size_hint(&self) -> (usize, Option<usize>) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> vec-set/src/array_set.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Test` should have a snake case name
[INFO] [stdout]    --> vec-set/src/array_set.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 310 | mod Test {
[INFO] [stdout]     |     ^^^^ help: convert the identifier to snake case: `test`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> vec-set/src/array_map.rs:256:24
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub(crate) fn iter(&self) -> SliceIterator<(K, V)> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub(crate) fn iter(&self) -> SliceIterator<'_, (K, V)> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "4d2b46965b2beb4166a3d78bb84a801b973aca2776007ff22bff347b72e71bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2b46965b2beb4166a3d78bb84a801b973aca2776007ff22bff347b72e71bf6", kill_on_drop: false }`
[INFO] [stdout] 4d2b46965b2beb4166a3d78bb84a801b973aca2776007ff22bff347b72e71bf6
