[INFO] cloning repository https://github.com/Jaymesv2/rust-data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jaymesv2/rust-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaymesv2%2Frust-data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaymesv2%2Frust-data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c16713399b32ec6b1114fa8752a63936cc8c01b
[INFO] testing Jaymesv2/rust-data-structures against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaymesv2%2Frust-data-structures" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaymesv2/rust-data-structures on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Jaymesv2/rust-data-structures
[INFO] finished tweaking git repo https://github.com/Jaymesv2/rust-data-structures
[INFO] tweaked toml for git repo https://github.com/Jaymesv2/rust-data-structures written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jaymesv2/rust-data-structures 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cca95fa4afe2cd9724f3dbcd28c05ba79726a8526ef16f094d7a2b2a58167cd0
[INFO] running `Command { std: "docker" "start" "-a" "cca95fa4afe2cd9724f3dbcd28c05ba79726a8526ef16f094d7a2b2a58167cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca95fa4afe2cd9724f3dbcd28c05ba79726a8526ef16f094d7a2b2a58167cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca95fa4afe2cd9724f3dbcd28c05ba79726a8526ef16f094d7a2b2a58167cd0", kill_on_drop: false }`
[INFO] [stdout] cca95fa4afe2cd9724f3dbcd28c05ba79726a8526ef16f094d7a2b2a58167cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fac8219294765cd2ee2bb1c7768a1900169c33b0c534caccfe693c6a3b49e89e
[INFO] running `Command { std: "docker" "start" "-a" "fac8219294765cd2ee2bb1c7768a1900169c33b0c534caccfe693c6a3b49e89e", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hint::unreachable_unchecked`
[INFO] [stdout]  --> src/linked_lists/singly_linked_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     hint::unreachable_unchecked,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/rc.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub trait Weakt<T: ?Sized> {
[INFO] [stdout]     |               ----- associated items in this trait
[INFO] [stdout] 199 |         type Parent: Rct<T, Weak = Self>;
[INFO] [stdout] 200 |         fn upgrade(&self) -> Option<Self::Parent>;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 201 |         fn as_ptr(&self) -> *const T;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 202 |         fn into_raw(self) -> *const T;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 203 |         unsafe fn from_raw(ptr: *const T) -> Self;
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 204 |         fn strong_count(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 205 |         fn weak_count(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 206 |         fn ptr_eq(&self, other: &Self) -> bool;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rc.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub trait WeaktSizedT<T>: Weakt<T> {
[INFO] [stdout]     |               ----------- associated function in this trait
[INFO] [stdout] 210 |         fn new() -> Self;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Collection` is never used
[INFO] [stdout]   --> src/traits.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Collection<T>:
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Creatable` is never used
[INFO] [stdout]  --> src/traits/adt.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Creatable {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `List` is never used
[INFO] [stdout]  --> src/traits/adt.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait List<T> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PriorityQueue` is never used
[INFO] [stdout]   --> src/traits/adt.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait PriorityQueue<T, P: Ord> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HeapKind` is never used
[INFO] [stdout]   --> src/traits/adt.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait HeapKind {}
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinHeap` is never constructed
[INFO] [stdout]   --> src/traits/adt.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct MinHeap;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxHeap` is never constructed
[INFO] [stdout]   --> src/traits/adt.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct MaxHeap;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Heap` is never used
[INFO] [stdout]   --> src/traits/adt.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait Heap<T, K>
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Set` is never used
[INFO] [stdout]   --> src/traits/adt.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | trait Set<T> {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SetSize` is never used
[INFO] [stdout]   --> src/traits/adt.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum SetSize {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StaticSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 | trait StaticSet<T>: Set<T> {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DynamicSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:110:7
[INFO] [stdout]     |
[INFO] [stdout] 110 | trait DynamicSet<T>: Set<T> {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MultiSetKind` is never used
[INFO] [stdout]    --> src/traits/adt.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait MultiSetKind {}
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MultiSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | trait MultiSet<T, K>: Set<T>
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sum` is never constructed
[INFO] [stdout]    --> src/traits/fp.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct Sum<T>(pub T);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExactExt` is never used
[INFO] [stdout]  --> src/util.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IteratorExactExt: Iterator + ExactSizeIterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExt` is never used
[INFO] [stdout]   --> src/util.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait IteratorExt: Iterator {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Heap` is never used
[INFO] [stdout]  --> src/heap.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Heap<T> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ombga` is never read
[INFO] [stdout]   --> src/heap/binary_heap.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     ombga: Vec<T>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parent_idx`, `left_child_idx`, `right_child_idx`, `downheap`, and `upheap` are never used
[INFO] [stdout]   --> src/heap/binary_heap.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T: Ord> BinaryHeap<T> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 17 |     #[inline(always)]
[INFO] [stdout] 18 |     fn parent_idx(&self, i: usize) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn left_child_idx(&self,i: usize) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn right_child_idx(&self,i: usize) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn downheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn upheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "fac8219294765cd2ee2bb1c7768a1900169c33b0c534caccfe693c6a3b49e89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac8219294765cd2ee2bb1c7768a1900169c33b0c534caccfe693c6a3b49e89e", kill_on_drop: false }`
[INFO] [stdout] fac8219294765cd2ee2bb1c7768a1900169c33b0c534caccfe693c6a3b49e89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ea0175e1f99bfd27e5f5418454684cb239229913e8aff013ef7d151be08d29
[INFO] running `Command { std: "docker" "start" "-a" "05ea0175e1f99bfd27e5f5418454684cb239229913e8aff013ef7d151be08d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stdout] warning: unused import: `hint::unreachable_unchecked`
[INFO] [stdout]  --> src/linked_lists/singly_linked_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     hint::unreachable_unchecked,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/rc.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub trait Weakt<T: ?Sized> {
[INFO] [stdout]     |               ----- associated items in this trait
[INFO] [stdout] 199 |         type Parent: Rct<T, Weak = Self>;
[INFO] [stdout] 200 |         fn upgrade(&self) -> Option<Self::Parent>;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 201 |         fn as_ptr(&self) -> *const T;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 202 |         fn into_raw(self) -> *const T;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 203 |         unsafe fn from_raw(ptr: *const T) -> Self;
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 204 |         fn strong_count(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 205 |         fn weak_count(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 206 |         fn ptr_eq(&self, other: &Self) -> bool;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rc.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub trait WeaktSizedT<T>: Weakt<T> {
[INFO] [stdout]     |               ----------- associated function in this trait
[INFO] [stdout] 210 |         fn new() -> Self;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Collection` is never used
[INFO] [stdout]   --> src/traits.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Collection<T>:
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Creatable` is never used
[INFO] [stdout]  --> src/traits/adt.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Creatable {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `List` is never used
[INFO] [stdout]  --> src/traits/adt.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait List<T> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PriorityQueue` is never used
[INFO] [stdout]   --> src/traits/adt.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait PriorityQueue<T, P: Ord> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HeapKind` is never used
[INFO] [stdout]   --> src/traits/adt.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait HeapKind {}
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinHeap` is never constructed
[INFO] [stdout]   --> src/traits/adt.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct MinHeap;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxHeap` is never constructed
[INFO] [stdout]   --> src/traits/adt.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct MaxHeap;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Heap` is never used
[INFO] [stdout]   --> src/traits/adt.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait Heap<T, K>
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Set` is never used
[INFO] [stdout]   --> src/traits/adt.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | trait Set<T> {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SetSize` is never used
[INFO] [stdout]   --> src/traits/adt.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum SetSize {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StaticSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 | trait StaticSet<T>: Set<T> {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DynamicSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:110:7
[INFO] [stdout]     |
[INFO] [stdout] 110 | trait DynamicSet<T>: Set<T> {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MultiSetKind` is never used
[INFO] [stdout]    --> src/traits/adt.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait MultiSetKind {}
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MultiSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | trait MultiSet<T, K>: Set<T>
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sum` is never constructed
[INFO] [stdout]    --> src/traits/fp.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct Sum<T>(pub T);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExactExt` is never used
[INFO] [stdout]  --> src/util.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IteratorExactExt: Iterator + ExactSizeIterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExt` is never used
[INFO] [stdout]   --> src/util.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait IteratorExt: Iterator {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Heap` is never used
[INFO] [stdout]  --> src/heap.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Heap<T> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ombga` is never read
[INFO] [stdout]   --> src/heap/binary_heap.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     ombga: Vec<T>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parent_idx`, `left_child_idx`, `right_child_idx`, `downheap`, and `upheap` are never used
[INFO] [stdout]   --> src/heap/binary_heap.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T: Ord> BinaryHeap<T> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 17 |     #[inline(always)]
[INFO] [stdout] 18 |     fn parent_idx(&self, i: usize) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn left_child_idx(&self,i: usize) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn right_child_idx(&self,i: usize) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn downheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn upheap(&mut self, mut idx: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hash_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hint::unreachable_unchecked`
[INFO] [stdout]  --> src/linked_lists/singly_linked_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     hint::unreachable_unchecked,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/rc.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub trait Weakt<T: ?Sized> {
[INFO] [stdout]     |               ----- associated items in this trait
[INFO] [stdout] 199 |         type Parent: Rct<T, Weak = Self>;
[INFO] [stdout] 200 |         fn upgrade(&self) -> Option<Self::Parent>;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 201 |         fn as_ptr(&self) -> *const T;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 202 |         fn into_raw(self) -> *const T;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 203 |         unsafe fn from_raw(ptr: *const T) -> Self;
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 204 |         fn strong_count(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 205 |         fn weak_count(&self) -> usize;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 206 |         fn ptr_eq(&self, other: &Self) -> bool;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rc.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub trait WeaktSizedT<T>: Weakt<T> {
[INFO] [stdout]     |               ----------- associated function in this trait
[INFO] [stdout] 210 |         fn new() -> Self;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestStruct` is never constructed
[INFO] [stdout]    --> src/rc.rs:468:12
[INFO] [stdout]     |
[INFO] [stdout] 468 |     struct TestStruct<T, R = StRc>
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Collection` is never used
[INFO] [stdout]   --> src/traits.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Collection<T>:
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Creatable` is never used
[INFO] [stdout]  --> src/traits/adt.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Creatable {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `List` is never used
[INFO] [stdout]  --> src/traits/adt.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait List<T> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PriorityQueue` is never used
[INFO] [stdout]   --> src/traits/adt.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait PriorityQueue<T, P: Ord> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HeapKind` is never used
[INFO] [stdout]   --> src/traits/adt.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait HeapKind {}
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinHeap` is never constructed
[INFO] [stdout]   --> src/traits/adt.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct MinHeap;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxHeap` is never constructed
[INFO] [stdout]   --> src/traits/adt.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct MaxHeap;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Heap` is never used
[INFO] [stdout]   --> src/traits/adt.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait Heap<T, K>
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Set` is never used
[INFO] [stdout]   --> src/traits/adt.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | trait Set<T> {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SetSize` is never used
[INFO] [stdout]   --> src/traits/adt.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum SetSize {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StaticSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 | trait StaticSet<T>: Set<T> {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DynamicSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:110:7
[INFO] [stdout]     |
[INFO] [stdout] 110 | trait DynamicSet<T>: Set<T> {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MultiSetKind` is never used
[INFO] [stdout]    --> src/traits/adt.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait MultiSetKind {}
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MultiSet` is never used
[INFO] [stdout]    --> src/traits/adt.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | trait MultiSet<T, K>: Set<T>
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sum` is never constructed
[INFO] [stdout]    --> src/traits/fp.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct Sum<T>(pub T);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExactExt` is never used
[INFO] [stdout]  --> src/util.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IteratorExactExt: Iterator + ExactSizeIterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorExt` is never used
[INFO] [stdout]   --> src/util.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait IteratorExt: Iterator {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/heap.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | trait Heap<T> {
[INFO] [stdout]    |       ---- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn peek(&self) -> Option<&T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn len(&self) -> usize;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 16 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "05ea0175e1f99bfd27e5f5418454684cb239229913e8aff013ef7d151be08d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ea0175e1f99bfd27e5f5418454684cb239229913e8aff013ef7d151be08d29", kill_on_drop: false }`
[INFO] [stdout] 05ea0175e1f99bfd27e5f5418454684cb239229913e8aff013ef7d151be08d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c555cba1ed34fae1eab0456ee28ebd86519905bb5407237c9b222bf2d1792eb
[INFO] running `Command { std: "docker" "start" "-a" "9c555cba1ed34fae1eab0456ee28ebd86519905bb5407237c9b222bf2d1792eb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hint::unreachable_unchecked`
[INFO] [stderr]  --> src/linked_lists/singly_linked_list.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     hint::unreachable_unchecked,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/rc.rs:200:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub trait Weakt<T: ?Sized> {
[INFO] [stderr]     |               ----- associated items in this trait
[INFO] [stderr] 199 |         type Parent: Rct<T, Weak = Self>;
[INFO] [stderr] 200 |         fn upgrade(&self) -> Option<Self::Parent>;
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 201 |         fn as_ptr(&self) -> *const T;
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 202 |         fn into_raw(self) -> *const T;
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 203 |         unsafe fn from_raw(ptr: *const T) -> Self;
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 204 |         fn strong_count(&self) -> usize;
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 205 |         fn weak_count(&self) -> usize;
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 206 |         fn ptr_eq(&self, other: &Self) -> bool;
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/rc.rs:210:12
[INFO] [stderr]     |
[INFO] [stderr] 209 |     pub trait WeaktSizedT<T>: Weakt<T> {
[INFO] [stderr]     |               ----------- associated function in this trait
[INFO] [stderr] 210 |         fn new() -> Self;
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Collection` is never used
[INFO] [stderr]   --> src/traits.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | trait Collection<T>:
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Creatable` is never used
[INFO] [stderr]  --> src/traits/adt.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait Creatable {
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `List` is never used
[INFO] [stderr]  --> src/traits/adt.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | trait List<T> {
[INFO] [stderr]   |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `PriorityQueue` is never used
[INFO] [stderr]   --> src/traits/adt.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 | trait PriorityQueue<T, P: Ord> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `HeapKind` is never used
[INFO] [stderr]   --> src/traits/adt.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | trait HeapKind {}
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MinHeap` is never constructed
[INFO] [stderr]   --> src/traits/adt.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct MinHeap;
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MaxHeap` is never constructed
[INFO] [stderr]   --> src/traits/adt.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct MaxHeap;
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Heap` is never used
[INFO] [stderr]   --> src/traits/adt.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 | trait Heap<T, K>
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Set` is never used
[INFO] [stderr]   --> src/traits/adt.rs:88:7
[INFO] [stderr]    |
[INFO] [stderr] 88 | trait Set<T> {
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SetSize` is never used
[INFO] [stderr]   --> src/traits/adt.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | enum SetSize {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `StaticSet` is never used
[INFO] [stderr]    --> src/traits/adt.rs:100:7
[INFO] [stderr]     |
[INFO] [stderr] 100 | trait StaticSet<T>: Set<T> {
[INFO] [stderr]     |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `DynamicSet` is never used
[INFO] [stderr]    --> src/traits/adt.rs:110:7
[INFO] [stderr]     |
[INFO] [stderr] 110 | trait DynamicSet<T>: Set<T> {
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MultiSetKind` is never used
[INFO] [stderr]    --> src/traits/adt.rs:118:7
[INFO] [stderr]     |
[INFO] [stderr] 118 | trait MultiSetKind {}
[INFO] [stderr]     |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MultiSet` is never used
[INFO] [stderr]    --> src/traits/adt.rs:120:7
[INFO] [stderr]     |
[INFO] [stderr] 120 | trait MultiSet<T, K>: Set<T>
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Sum` is never constructed
[INFO] [stderr]    --> src/traits/fp.rs:133:8
[INFO] [stderr]     |
[INFO] [stderr] 133 | struct Sum<T>(pub T);
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IteratorExactExt` is never used
[INFO] [stderr]  --> src/util.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait IteratorExactExt: Iterator + ExactSizeIterator {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IteratorExt` is never used
[INFO] [stderr]   --> src/util.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub trait IteratorExt: Iterator {
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Heap` is never used
[INFO] [stderr]  --> src/heap.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | trait Heap<T> {
[INFO] [stderr]   |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ombga` is never read
[INFO] [stderr]   --> src/heap/binary_heap.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct BinaryHeap<T> {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 13 |     ombga: Vec<T>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `parent_idx`, `left_child_idx`, `right_child_idx`, `downheap`, and `upheap` are never used
[INFO] [stderr]   --> src/heap/binary_heap.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl<T: Ord> BinaryHeap<T> {
[INFO] [stderr]    | -------------------------- methods in this implementation
[INFO] [stderr] 17 |     #[inline(always)]
[INFO] [stderr] 18 |     fn parent_idx(&self, i: usize) -> Option<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn left_child_idx(&self,i: usize) -> Option<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn right_child_idx(&self,i: usize) -> Option<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     fn downheap(&mut self, mut idx: usize) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn upheap(&mut self, mut idx: usize) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hash_table` (lib) generated 23 warnings (run `cargo fix --lib -p hash_table` to apply 1 suggestion)
[INFO] [stderr] warning: struct `TestStruct` is never constructed
[INFO] [stderr]    --> src/rc.rs:468:12
[INFO] [stderr]     |
[INFO] [stderr] 468 |     struct TestStruct<T, R = StRc>
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `peek`, `len`, and `is_empty` are never used
[INFO] [stderr]   --> src/heap.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 6  | trait Heap<T> {
[INFO] [stderr]    |       ---- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 10 |     fn peek(&self) -> Option<&T>;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn len(&self) -> usize;
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 16 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hash_table` (lib test) generated 22 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hash_table-c453e9976075c632)
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stderr] thread 'hash_table::seperate_chaining::bench::seperate_chaining_linked_list_insert_bench_get_bench' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5561782377e5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x5561782377e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x5561782377e5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x5561782377e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55617825e18b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x55617825e18b - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x5561782350cf - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x5561782375be - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x5561782375be - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x556178238fe9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x556178238d2d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x556178209f0a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x556178209f0a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x5561782395eb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x5561782395eb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x55617823932b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x556178237ca9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x556178239097 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x55617815fd80 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x55617815fd80 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x55617815fe12 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x55617816a5a8 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check::hb48a65ef422b8af8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x55617816a55d - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::he5b084a7d0983257
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x556178173128 - core::slice::<impl [T]>::get_unchecked_mut::h738a04d6b46ae78c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/slice/mod.rs:728:24
[INFO] [stderr]   24:     0x556178174fb9 - <hash_table::hash_table::seperate_chaining::SCHashTableImpl<K,V,S,B,A> as hash_table::traits::hash_table::HashTableImpl<K,V,S,A>>::grow::h0f1ea0f0a3f05626
[INFO] [stderr]                                at /opt/rustwide/workdir/src/hash_table/seperate_chaining.rs:93:29
[INFO] [stderr]   25:     0x55617817531d - <hash_table::hash_table::seperate_chaining::SCHashTableImpl<K,V,S,B,A> as hash_table::traits::hash_table::HashTableImpl<K,V,S,A>>::insert::h778ad0bc97c0f5c7
[INFO] [stderr]                                at /opt/rustwide/workdir/src/hash_table/seperate_chaining.rs:119:13
[INFO] [stderr]   26:     0x556178177af1 - hash_table::hash_table::seperate_chaining::bench::seperate_chaining_linked_list_insert_bench_get_bench::h70cbe24705ff1bc1
[INFO] [stderr]                                at /opt/rustwide/workdir/src/hash_table/seperate_chaining.rs:769:13
[INFO] [stderr]   27:     0x556178177988 - hash_table::hash_table::seperate_chaining::bench::seperate_chaining_linked_list_insert_bench_get_bench::{{closure}}::h1e538cb4290dd5bc
[INFO] [stderr]                                at /opt/rustwide/workdir/src/hash_table/seperate_chaining.rs:764:77
[INFO] [stderr]   28:     0x556178179a4f - core::ops::function::FnOnce::call_once::hbe34eb5d23c5daa4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   29:     0x55617820e911 - test::types::RunnableTest::run::{{closure}}::{{closure}}::h90c7f55d353f8ef6
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/types.rs:149:76
[INFO] [stderr]   30:     0x55617820e911 - test::__rust_begin_short_backtrace::h3698674327d1ed98
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stderr]   31:     0x556178208f03 - test::types::RunnableTest::run::{{closure}}::h46659ac0505a0db5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/types.rs:149:44
[INFO] [stderr]   32:     0x556178208f03 - test::bench::Bencher::bench::h20259659a2f8e2a6
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/bench.rs:56:22
[INFO] [stderr]   33:     0x556178208f03 - test::bench::run_once::h5d562069ebe0e35d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/bench.rs:245:5
[INFO] [stderr]   34:     0x556178208f03 - test::types::RunnableTest::run::h5842a0c7776029c9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/types.rs:149:17
[INFO] [stderr]   35:     0x55617820dff1 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stderr]   36:     0x55617820dff1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   37:     0x55617820dff1 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   38:     0x55617820dff1 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   39:     0x55617820dff1 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   40:     0x55617820dff1 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stderr]   41:     0x55617820dff1 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stderr]   42:     0x5561781d6854 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stderr]   43:     0x5561781d6854 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   44:     0x5561781db282 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   45:     0x5561781db282 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   46:     0x5561781db282 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   47:     0x5561781db282 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   48:     0x5561781db282 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   49:     0x5561781db282 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   50:     0x5561781db282 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   51:     0x55617823d8db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   52:     0x55617823d8db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   53:     0x55617823d8db - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   54:     0x7f78cf32eac3 - <unknown>
[INFO] [stderr]   55:     0x7f78cf3bfa04 - __clone
[INFO] [stderr]   56:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/hash_table-c453e9976075c632` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "9c555cba1ed34fae1eab0456ee28ebd86519905bb5407237c9b222bf2d1792eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c555cba1ed34fae1eab0456ee28ebd86519905bb5407237c9b222bf2d1792eb", kill_on_drop: false }`
[INFO] [stdout] 9c555cba1ed34fae1eab0456ee28ebd86519905bb5407237c9b222bf2d1792eb
