[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] building Jaymesv2/rust-data-structures against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaymesv2%2Frust-data-structures" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaymesv2/rust-data-structures on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-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-7-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cda6ed1b5bf7140eba8250659dceba30b864899f263eaa6c4d439282ef962f8
[INFO] running `Command { std: "docker" "start" "-a" "8cda6ed1b5bf7140eba8250659dceba30b864899f263eaa6c4d439282ef962f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cda6ed1b5bf7140eba8250659dceba30b864899f263eaa6c4d439282ef962f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cda6ed1b5bf7140eba8250659dceba30b864899f263eaa6c4d439282ef962f8", kill_on_drop: false }`
[INFO] [stdout] 8cda6ed1b5bf7140eba8250659dceba30b864899f263eaa6c4d439282ef962f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b6d5d678f97a43679d0063e2297a2f9c58e77035f3abe743c6ffd33f6a86bb
[INFO] running `Command { std: "docker" "start" "-a" "c3b6d5d678f97a43679d0063e2297a2f9c58e77035f3abe743c6ffd33f6a86bb", 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: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const_option,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     slice_flatten,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     strict_provenance,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c3b6d5d678f97a43679d0063e2297a2f9c58e77035f3abe743c6ffd33f6a86bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b6d5d678f97a43679d0063e2297a2f9c58e77035f3abe743c6ffd33f6a86bb", kill_on_drop: false }`
[INFO] [stdout] c3b6d5d678f97a43679d0063e2297a2f9c58e77035f3abe743c6ffd33f6a86bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a4cec6cd56d5ad398fad7dd2fffd14e8e396caa0161894568547a26febf2a1
[INFO] running `Command { std: "docker" "start" "-a" "37a4cec6cd56d5ad398fad7dd2fffd14e8e396caa0161894568547a26febf2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[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: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const_option,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     slice_flatten,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     strict_provenance,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[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] [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: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const_option,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     slice_flatten,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     strict_provenance,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "37a4cec6cd56d5ad398fad7dd2fffd14e8e396caa0161894568547a26febf2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a4cec6cd56d5ad398fad7dd2fffd14e8e396caa0161894568547a26febf2a1", kill_on_drop: false }`
[INFO] [stdout] 37a4cec6cd56d5ad398fad7dd2fffd14e8e396caa0161894568547a26febf2a1