[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Finterval-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05905e13d3e6217415b3562029173ee5d9839db7
[INFO] testing rklaehn/interval-rs against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Finterval-rs" "/workspace/builds/worker-4-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
[INFO] tweaked toml for git repo https://github.com/rklaehn/interval-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rklaehn/interval-rs on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8b96fe9d1d00392a783664bc27ea1cd0ecf7576075a9b3c887aeec2a44443dd
[INFO] running `Command { std: "docker" "start" "-a" "f8b96fe9d1d00392a783664bc27ea1cd0ecf7576075a9b3c887aeec2a44443dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b96fe9d1d00392a783664bc27ea1cd0ecf7576075a9b3c887aeec2a44443dd", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "70b3614f900769122bdc1988dc35109c303fd6653927b0e7ec1f3ad8ff5823b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling flip-buffer v0.1.0 (/opt/rustwide/workdir/flip-buffer)
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling 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)]` 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)]` 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)]` 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)]` 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "70b3614f900769122bdc1988dc35109c303fd6653927b0e7ec1f3ad8ff5823b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b3614f900769122bdc1988dc35109c303fd6653927b0e7ec1f3ad8ff5823b4", kill_on_drop: false }`
[INFO] [stdout] 70b3614f900769122bdc1988dc35109c303fd6653927b0e7ec1f3ad8ff5823b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a91b0c12532fe04a3475f33299e1f92b5e32fdf947f4bdb55dadf3b8e03812b
[INFO] running `Command { std: "docker" "start" "-a" "2a91b0c12532fe04a3475f33299e1f92b5e32fdf947f4bdb55dadf3b8e03812b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling maplit v1.0.2
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling testdrop v0.1.2
[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)]` 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)]` 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)]` 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]    Compiling flip-buffer v0.1.0 (/opt/rustwide/workdir/flip-buffer)
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling vec-set v0.1.0 (/opt/rustwide/workdir/vec-set)
[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)]` 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)]` 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)]` 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]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[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]     = 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]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[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]     = 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)]` 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)]` 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 `test` profile [unoptimized + debuginfo] target(s) in 11.90s
[INFO] running `Command { std: "docker" "inspect" "2a91b0c12532fe04a3475f33299e1f92b5e32fdf947f4bdb55dadf3b8e03812b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a91b0c12532fe04a3475f33299e1f92b5e32fdf947f4bdb55dadf3b8e03812b", kill_on_drop: false }`
[INFO] [stdout] 2a91b0c12532fe04a3475f33299e1f92b5e32fdf947f4bdb55dadf3b8e03812b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26b9447e1105429d5e267c0e6b8e14613830e1bb7f2b658a63f4ac1c6db98921
[INFO] running `Command { std: "docker" "start" "-a" "26b9447e1105429d5e267c0e6b8e14613830e1bb7f2b658a63f4ac1c6db98921", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `alga::general::AdditiveSemigroup`
[INFO] [stderr]  --> vec-set/src/array_seq.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use alga::general::AdditiveSemigroup;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `alga::general::ClosedAdd`
[INFO] [stderr]  --> vec-set/src/total_array_seq.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use alga::general::ClosedAdd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddAssign` and `Add`
[INFO] [stderr]   --> vec-set/src/total_array_seq.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ops::{Add, AddAssign};
[INFO] [stderr]    |                ^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::iterators::SliceIterator`
[INFO] [stderr]  --> vec-set/src/array_set.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::iterators::SliceIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> vec-set/src/merge_state.rs:234:26
[INFO] [stderr]     |
[INFO] [stderr] 234 |     fn move_a(&mut self, n: usize) -> EarlyOut {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> vec-set/src/merge_state.rs:242:26
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn move_b(&mut self, n: usize) -> EarlyOut {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> vec-set/src/array_set.rs:228:13
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let mut iter = iter.into_iter();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MergeOperation` is never used
[INFO] [stderr]   --> vec-set/src/binary_merge.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub(crate) trait MergeOperation<A, B, M: MergeStateRead<A, B>> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `merge` is never used
[INFO] [stderr]   --> vec-set/src/merge_state.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl<'a, A, B> UnsafeInPlaceMergeState<A, B> {
[INFO] [stderr]    | -------------------------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &mut Vec<A>, b: Vec<B>, o: O) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnsafeSliceMergeState` is never constructed
[INFO] [stderr]    --> vec-set/src/merge_state.rs:321:19
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub(crate) struct UnsafeSliceMergeState<'a, T> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `merge0` and `merge` are never used
[INFO] [stderr]    --> vec-set/src/merge_state.rs:330:8
[INFO] [stderr]     |
[INFO] [stderr] 329 | impl<'a, T> UnsafeSliceMergeState<'a, T> {
[INFO] [stderr]     | ---------------------------------------- associated functions in this implementation
[INFO] [stderr] 330 |     fn merge0<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 349 |     fn merge<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_total` is never used
[INFO] [stderr]   --> vec-set/src/array_seq.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<T: Eq> ArraySeq<T> {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] 16 |     fn as_total(self, default: T) -> TotalArraySeq<T> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ArrayMap` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct ArrayMap<K, V>(Vec<(K, V)>);
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RightBiasedUnionOp` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct RightBiasedUnionOp;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `LeftJoinArg` is never used
[INFO] [stderr]   --> vec-set/src/array_map.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub enum LeftJoinArg<A, B> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `RightJoinArg` is never used
[INFO] [stderr]   --> vec-set/src/array_map.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub enum RightJoinArg<A, B> {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `OuterJoinArg` is never used
[INFO] [stderr]   --> vec-set/src/array_map.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub enum OuterJoinArg<A, B> {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OuterJoinOp` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct OuterJoinOp<F>(F);
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LeftJoinOp` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct LeftJoinOp<F>(F);
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RightJoinOp` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | struct RightJoinOp<F>(F);
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InnerJoinOp` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | struct InnerJoinOp<F>(F);
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OuterJoinWithOp` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | struct OuterJoinWithOp<F>(F);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `VecMergeState` is never constructed
[INFO] [stderr]   --> vec-set/src/array_map.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub(crate) struct VecMergeState<'a, A, B, R> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `merge` is never used
[INFO] [stderr]   --> vec-set/src/array_map.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | impl<'a, A, B, R> VecMergeState<'a, A, B, R> {
[INFO] [stderr]    | -------------------------------------------- associated function in this implementation
[INFO] [stderr] 79 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> Vec<R> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PairMergeState` is never used
[INFO] [stderr]   --> vec-set/src/array_map.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | type PairMergeState<'a, K, A, B, R> = VecMergeState<'a, (K, A), (K, B), (K, R)>;
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `InPlacePairMergeState` is never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | type InPlacePairMergeState<'a, K, A, B> = UnsafeInPlaceMergeState<(K, A), (K, B)>;
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:240:12
[INFO] [stderr]     |
[INFO] [stderr] 239 | impl<K, V> ArrayMap<K, V> {
[INFO] [stderr]     | ------------------------- associated items in this implementation
[INFO] [stderr] 240 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 244 |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 248 |     pub fn as_slice(&self) -> &[(K, V)] {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 252 |     pub fn retain<F: FnMut((&K, &V)) -> bool>(&mut self, mut f: F) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 256 |     pub(crate) fn iter(&self) -> SliceIterator<(K, V)> {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |     pub fn map_values<R, F: FnMut(V) -> R>(self, mut f: F) -> ArrayMap<K, R> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 |     pub(crate) fn from_sorted_vec(v: Vec<(K, V)>) -> Self {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 273 |     pub(crate) fn into_sorted_vec(self) -> Vec<(K, V)> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `merge_with`, `get`, and `get_mut` are never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:279:8
[INFO] [stderr]     |
[INFO] [stderr] 278 | impl<K: Ord, V> ArrayMap<K, V> {
[INFO] [stderr]     | ------------------------------ methods in this implementation
[INFO] [stderr] 279 |     fn merge_with(&mut self, rhs: ArrayMap<K, V>) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 282 |     pub fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 294 |     pub fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `single`, `outer_join`, `left_join`, `right_join`, and `inner_join` are never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:308:12
[INFO] [stderr]     |
[INFO] [stderr] 307 | impl<K: Ord + Clone, V: Clone> ArrayMap<K, V> {
[INFO] [stderr]     | --------------------------------------------- associated items in this implementation
[INFO] [stderr] 308 |     pub fn single(k: K, v: V) -> Self {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 324 |     pub fn outer_join<W: Clone, R, F: Fn(OuterJoinArg<&V, &W>) -> R>(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 336 |     pub fn left_join<W: Clone, R, F: Fn(LeftJoinArg<&V, &W>) -> R>(
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 348 |     pub fn right_join<W: Clone, R, F: Fn(RightJoinArg<&V, &W>) -> R>(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 360 |     pub fn inner_join<W: Clone, R, F: Fn(&V, &W) -> R>(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TotalArrayMap` is never constructed
[INFO] [stderr]  --> vec-set/src/total_array_map.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct TotalArrayMap<K, V>(ArrayMap<K, V>, V);
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> vec-set/src/total_array_map.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<K, V: Eq> TotalArrayMap<K, V> {
[INFO] [stderr]    | ---------------------------------- associated function in this implementation
[INFO] [stderr] 12 |     pub fn new(map: ArrayMap<K, V>, default: V) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `constant` and `as_slice` are never used
[INFO] [stderr]   --> vec-set/src/total_array_map.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<K, V> TotalArrayMap<K, V> {
[INFO] [stderr]    | ------------------------------ associated items in this implementation
[INFO] [stderr] 21 |     pub fn constant(value: V) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn as_slice(&self) -> &[(K, V)] {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CombineOp` is never constructed
[INFO] [stderr]   --> vec-set/src/total_array_map.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct CombineOp<'a, F, V> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FastCombineOp` is never constructed
[INFO] [stderr]   --> vec-set/src/total_array_map.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct FastCombineOp<'a, F, V> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PairMergeState` is never used
[INFO] [stderr]   --> vec-set/src/total_array_map.rs:43:6
[INFO] [stderr]    |
[INFO] [stderr] 43 | type PairMergeState<'a, K, V> = VecMergeState<'a, (K, V), (K, V), (K, V)>;
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `combine` is never used
[INFO] [stderr]    --> vec-set/src/total_array_map.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 115 | impl<K: Ord + Clone, V: Eq> TotalArrayMap<K, V> {
[INFO] [stderr]     | ----------------------------------------------- method in this implementation
[INFO] [stderr] 116 |     pub fn combine<F: Fn(&V, &V) -> V>(&self, that: &Self, f: F) -> Self {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `supremum` and `infimum` are never used
[INFO] [stderr]    --> vec-set/src/total_array_map.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 129 | impl<K: Ord + Clone, V: Ord + Clone> TotalArrayMap<K, V> {
[INFO] [stderr]     | -------------------------------------------------------- methods in this implementation
[INFO] [stderr] 130 |     pub fn supremum(&self, that: &Self) -> Self {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 |     pub fn infimum(&self, that: &Self) -> Self {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fast_combine` is never used
[INFO] [stderr]    --> vec-set/src/total_array_map.rs:139:19
[INFO] [stderr]     |
[INFO] [stderr] 138 | impl<K: Ord + Clone, V: Eq + Clone> TotalArrayMap<K, V> {
[INFO] [stderr]     | ------------------------------------------------------- method in this implementation
[INFO] [stderr] 139 |     pub(crate) fn fast_combine<F: Fn(&V, &V) -> V>(
[INFO] [stderr]     |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `map_values` is never used
[INFO] [stderr]    --> vec-set/src/total_array_map.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 154 | impl<K: Clone, V: Eq> TotalArrayMap<K, V> {
[INFO] [stderr]     | ----------------------------------------- method in this implementation
[INFO] [stderr] 155 |     pub fn map_values<W: Eq, F: Fn(&V) -> W>(&self, f: F) -> TotalArrayMap<K, W> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `reduce` is never used
[INFO] [stderr]  --> vec-set/src/sonic_reducer.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn reduce<T, I: IntoIterator<Item = T>, F: Fn(&mut T, T)>(iter: I, op: F) -> Option<T> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SonicReducer` is never constructed
[INFO] [stderr]   --> vec-set/src/sonic_reducer.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct SonicReducer<T, F> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `zero_and_get` is never used
[INFO] [stderr]   --> vec-set/src/sonic_reducer.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn zero_and_get<T>(a: &mut Option<T>) -> Option<T> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `adsorb` is never used
[INFO] [stderr]   --> vec-set/src/sonic_reducer.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn adsorb<T, F: Fn(&mut T, T)>(op: &F, a: &mut Option<T>, b: Option<T>) -> Option<T> {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `reserve`, `reduce_to`, `add`, and `result` are never used
[INFO] [stderr]   --> vec-set/src/sonic_reducer.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | impl<T, F: Fn(&mut T, T)> SonicReducer<T, F> {
[INFO] [stderr]    | -------------------------------------------- methods in this implementation
[INFO] [stderr] 41 |     // ensures that we can assign at the given index
[INFO] [stderr] 42 |     fn reserve(&mut self, index: usize) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn reduce_to(&mut self, level: usize, value: Option<T>) -> Option<T> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn add(&mut self, value: Option<T>) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn result(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `size_hint` is never used
[INFO] [stderr]    --> vec-set/src/iterators.rs:312:8
[INFO] [stderr]     |
[INFO] [stderr] 297 | / impl<K, A, B, R, I, J, F> OuterJoin<K, A, B, R, I, J, F>
[INFO] [stderr] 298 | | where
[INFO] [stderr] 299 | |     K: Ord,
[INFO] [stderr] 300 | |     I: SortedPairIterator<K, A>,
[INFO] [stderr] 301 | |     J: SortedPairIterator<K, B>,
[INFO] [stderr] 302 | |     F: FnMut(Option<A>, Option<B>) -> R,
[INFO] [stderr]     | |________________________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 312 |       fn size_hint(&self) -> (usize, Option<usize>) {
[INFO] [stderr]     |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> vec-set/src/array_set.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ------------------- the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> vec-set/src/array_map.rs:256:24
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub(crate) fn iter(&self) -> SliceIterator<(K, V)> {
[INFO] [stderr]     |                        ^^^^^     --------------------- the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub(crate) fn iter(&self) -> SliceIterator<'_, (K, V)> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `vec-set` (lib) generated 47 warnings (run `cargo fix --lib -p vec-set` to apply 5 suggestions)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> vec-set/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> vec-set/src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `alga::general::AdditiveSemigroup`
[INFO] [stderr]  --> vec-set/src/array_seq.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use alga::general::AdditiveSemigroup;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::test_macros::*`
[INFO] [stderr]    --> vec-set/src/array_set.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |     use crate::test_macros::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::test_macros::*`
[INFO] [stderr]    --> vec-set/src/range_set.rs:485:9
[INFO] [stderr]     |
[INFO] [stderr] 485 |     use crate::test_macros::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeSet`
[INFO] [stderr]    --> vec-set/src/range_set.rs:487:9
[INFO] [stderr]     |
[INFO] [stderr] 487 |     use std::collections::BTreeSet;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> vec-set/src/test_macros.rs:75:44
[INFO] [stderr]     |
[INFO] [stderr]  75 |         fn double_negate_neutral(a: $test, b: $test) -> bool {
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]    ::: vec-set/src/total_array_set.rs:353:5
[INFO] [stderr]     |
[INFO] [stderr] 353 |     all_neutral!(Test);
[INFO] [stderr]     |     ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `all_neutral` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> vec-set/src/array_map.rs:426:46
[INFO] [stderr]     |
[INFO] [stderr] 426 |             let actual = a.inner_join(&b, |a,b| a.clone());
[INFO] [stderr]     |                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> vec-set/src/range_set.rs:549:13
[INFO] [stderr]     |
[INFO] [stderr] 549 |         let r: Test = x.bitor(&y);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> vec-set/src/test_macros.rs:75:44
[INFO] [stderr]     |
[INFO] [stderr]  75 |         fn double_negate_neutral(a: $test, b: $test) -> bool {
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]    ::: vec-set/src/range_set.rs:574:5
[INFO] [stderr]     |
[INFO] [stderr] 574 |     all_neutral!(Test);
[INFO] [stderr]     |     ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `all_neutral` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnsafeSliceMergeState` is never constructed
[INFO] [stderr]    --> vec-set/src/merge_state.rs:321:19
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub(crate) struct UnsafeSliceMergeState<'a, T> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_empty`, `len`, `map_values`, and `into_sorted_vec` are never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:240:12
[INFO] [stderr]     |
[INFO] [stderr] 239 | impl<K, V> ArrayMap<K, V> {
[INFO] [stderr]     | ------------------------- methods in this implementation
[INFO] [stderr] 240 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 244 |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |     pub fn map_values<R, F: FnMut(V) -> R>(self, mut f: F) -> ArrayMap<K, R> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 273 |     pub(crate) fn into_sorted_vec(self) -> Vec<(K, V)> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_mut` is never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:294:12
[INFO] [stderr]     |
[INFO] [stderr] 278 | impl<K: Ord, V> ArrayMap<K, V> {
[INFO] [stderr]     | ------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 294 |     pub fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `single`, `left_join`, and `right_join` are never used
[INFO] [stderr]    --> vec-set/src/array_map.rs:308:12
[INFO] [stderr]     |
[INFO] [stderr] 307 | impl<K: Ord + Clone, V: Clone> ArrayMap<K, V> {
[INFO] [stderr]     | --------------------------------------------- associated items in this implementation
[INFO] [stderr] 308 |     pub fn single(k: K, v: V) -> Self {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 336 |     pub fn left_join<W: Clone, R, F: Fn(LeftJoinArg<&V, &W>) -> R>(
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 348 |     pub fn right_join<W: Clone, R, F: Fn(RightJoinArg<&V, &W>) -> R>(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Elem` is never used
[INFO] [stderr]    --> vec-set/src/range_set.rs:490:10
[INFO] [stderr]     |
[INFO] [stderr] 490 |     type Elem = i32;
[INFO] [stderr]     |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Ref` is never used
[INFO] [stderr]    --> vec-set/src/range_set.rs:491:10
[INFO] [stderr]     |
[INFO] [stderr] 491 |     type Ref = (Vec<Range<Elem>>, bool);
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `union_contains` is never used
[INFO] [stderr]    --> vec-set/src/range_set.rs:494:8
[INFO] [stderr]     |
[INFO] [stderr] 494 |     fn union_contains(x: &Ref, elem: &Elem) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `intersection_contains` is never used
[INFO] [stderr]    --> vec-set/src/range_set.rs:499:8
[INFO] [stderr]     |
[INFO] [stderr] 499 |     fn intersection_contains(x: &Ref, elem: &Elem) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sample` is never used
[INFO] [stderr]    --> vec-set/src/range_set.rs:504:8
[INFO] [stderr]     |
[INFO] [stderr] 504 |     fn sample(x: &Ref) -> Vec<Elem> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `to_test` is never used
[INFO] [stderr]    --> vec-set/src/range_set.rs:519:8
[INFO] [stderr]     |
[INFO] [stderr] 519 |     fn to_test(r: &Ref) -> Test {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Test` should have a snake case name
[INFO] [stderr]    --> vec-set/src/array_set.rs:310:5
[INFO] [stderr]     |
[INFO] [stderr] 310 | mod Test {
[INFO] [stderr]     |     ^^^^ help: convert the identifier to snake case: `test`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vec-set` (lib test) generated 39 warnings (18 duplicates) (run `cargo fix --lib -p vec-set --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flip_buffer-bc85827270e72aa2)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::drop_just_source ... ok
[INFO] [stdout] test tests::source_drop_all ... ok
[INFO] [stdout] test tests::source_drop_some ... ok
[INFO] [stdout] test tests::source_move_all ... ok
[INFO] [stdout] test tests::source_move_some ... ok
[INFO] [stdout] test tests::source_pop_some ... ok
[INFO] [stdout] test tests::target_push_gap ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::target_push_gap stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::target_push_gap' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/testdrop-0.1.2/src/lib.rs:106:9:
[INFO] [stdout] 0 should be dropped, but was not
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b009b4b0252 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b009b4b0252 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b009b4b0252 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b009b4b0252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b009b4d5503 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b009b4d5503 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5b009b4ad1d3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b009b4ad1d3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b009b4b00a2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b009b4b17c9 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5b009b4b15fe - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5b009b478904 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5b009b478904 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b009b4b219e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5b009b4b219e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5b009b4b1f6a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5b009b4b0749 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b009b4b1bfd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5b009b4d4020 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b009b484059 - testdrop::TestDrop::assert_drop::hfe08175d78ca74fe
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/testdrop-0.1.2/src/lib.rs:106:9
[INFO] [stdout]   20:     0x5b009b43a356 - flip_buffer::tests::everything_dropped::h2397f636c48f1188
[INFO] [stdout]                                at /opt/rustwide/workdir/flip-buffer/src/lib.rs:219:16
[INFO] [stdout]   21:     0x5b009b43c3e6 - flip_buffer::tests::target_push_gap::he1a66cba16e6bcc1
[INFO] [stdout]                                at /opt/rustwide/workdir/flip-buffer/src/lib.rs:230:9
[INFO] [stdout]   22:     0x5b009b43c3a7 - flip_buffer::tests::target_push_gap::{{closure}}::h16e47a5fcf9ad080
[INFO] [stdout]                                at /opt/rustwide/workdir/flip-buffer/src/lib.rs:229:25
[INFO] [stdout]   23:     0x5b009b43d736 - core::ops::function::FnOnce::call_once::h94ffdaf36b701268
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5b009b47e16b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5b009b47e16b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5b009b47d2a5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5b009b47d2a5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5b009b47d2a5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5b009b47d2a5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5b009b47d2a5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b009b47d2a5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5b009b47d2a5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5b009b440ea4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5b009b440ea4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5b009b44487a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b009b44487a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5b009b44487a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5b009b44487a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5b009b44487a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b009b44487a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b009b44487a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5b009b4b511f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5b009b4b511f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x76b2bae53aa4 - <unknown>
[INFO] [stdout]   45:     0x76b2baee0a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::target_push_gap
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p flip-buffer --lib`
[INFO] running `Command { std: "docker" "inspect" "26b9447e1105429d5e267c0e6b8e14613830e1bb7f2b658a63f4ac1c6db98921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b9447e1105429d5e267c0e6b8e14613830e1bb7f2b658a63f4ac1c6db98921", kill_on_drop: false }`
[INFO] [stdout] 26b9447e1105429d5e267c0e6b8e14613830e1bb7f2b658a63f4ac1c6db98921
