[INFO] cloning repository https://github.com/molyee/common
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/molyee/common" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca3b0665c975848ddc1424f57de181afae1ef201
[INFO] testing molyee/common against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/molyee/common on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/molyee/common
[INFO] finished tweaking git repo https://github.com/molyee/common
[INFO] tweaked toml for git repo https://github.com/molyee/common written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/dawg/Cargo.toml: unused manifest key: dev
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84057d61e505790b0e7f2daf3a68f1717480e2676406eaf7fb6cc1c27afc8d2f
[INFO] running `Command { std: "docker" "start" "-a" "84057d61e505790b0e7f2daf3a68f1717480e2676406eaf7fb6cc1c27afc8d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84057d61e505790b0e7f2daf3a68f1717480e2676406eaf7fb6cc1c27afc8d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84057d61e505790b0e7f2daf3a68f1717480e2676406eaf7fb6cc1c27afc8d2f", kill_on_drop: false }`
[INFO] [stdout] 84057d61e505790b0e7f2daf3a68f1717480e2676406eaf7fb6cc1c27afc8d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885c400dc15cbf922431f7aa9651e8841b773b48b8065415f9fc2e0777d83b05
[INFO] running `Command { std: "docker" "start" "-a" "885c400dc15cbf922431f7aa9651e8841b773b48b8065415f9fc2e0777d83b05", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/dawg/Cargo.toml: unused manifest key: dev
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> shared/src/ptr.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |         while stored == self.0.compare_and_swap(cur, p, Ordering::Release) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `put` is never used
[INFO] [stdout]   --> shared/src/ptr.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> Ptr<T> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn put(&self, p: &mut T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling rand v0.1.0 (/opt/rustwide/workdir/rand)
[INFO] [stderr]    Compiling builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]    Compiling verify v0.1.0 (/opt/rustwide/workdir/verify)
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = &self.pool.release(entry);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling email v0.1.0 (/opt/rustwide/workdir/email)
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> email/src/lib.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn verify(&self, obj: &Self::Obj) -> Result<(), Self::Err> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dawg v0.1.0 (/opt/rustwide/workdir/dawg)
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> dawg/src/pool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem::size_of`
[INFO] [stdout]  --> dawg/src/bitpool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mem::size_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> dawg/src/pool.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> dawg/src/custom.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> dawg/src/custom.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> dawg/src/custom.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Node<V>` in public interface (error E0446)
[INFO] [stdout]   --> dawg/src/custom.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE`, `size`, `swap`, `clear`, and `allocate` are never used
[INFO] [stdout]   --> dawg/src/pool.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Pool<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn allocate(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Int` is never used
[INFO] [stdout]  --> dawg/src/bitpool.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Int = usize;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitPool` is never constructed
[INFO] [stdout]  --> dawg/src/bitpool.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct BitPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE` and `get` are never used
[INFO] [stdout]   --> dawg/src/bitpool.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BitPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub fn get(&self, index: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dawg` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Dawg<K, V> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<V> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `empty` are never used
[INFO] [stdout]   --> dawg/src/custom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<V> Node<V> {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new(value: Option<V>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Edge<K> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> dawg/src/custom.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<K, V> Dawg<K, V> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn node(&self, idx: usize) -> &Node<V> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Traverse` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Traverse<'d, K, V, I> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir/timer)
[INFO] [stderr]    Compiling combinatorics v0.1.0 (/opt/rustwide/workdir/combinatorics)
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir/merge)
[INFO] [stderr]    Compiling time v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stderr]    Compiling url v0.1.0 (/opt/rustwide/workdir/url)
[INFO] [stderr]    Compiling convert_derive v0.1.0 (/opt/rustwide/workdir/convert/derive)
[INFO] [stderr]    Compiling aio v0.1.0 (/opt/rustwide/workdir/aio)
[INFO] [stderr]    Compiling merge_derive v0.1.0 (/opt/rustwide/workdir/merge_derive)
[INFO] [stderr]    Compiling convert v0.1.0 (/opt/rustwide/workdir/convert)
[INFO] [stderr]    Compiling uuid v0.1.0 (/opt/rustwide/workdir/uuid)
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find<'k>(&'m self, k: &'k K) -> Find<'m, 'k, K, V> {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> collections/src/multimap.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn remove_all(&mut self, k: &K) -> usize {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn first_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn range(&self, k: &K) -> Option<Range<usize>> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/sync/trie.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value_mut` and `into_value` are never used
[INFO] [stdout]   --> collections/src/record.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<K, V> Rec<K, V> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn value_mut(&mut self) -> &mut V {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn into_value(self) -> V {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `last_index` is never used
[INFO] [stdout]   --> collections/src/multimap.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'m, K: Ord, V> MultiMap<K, V> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take` is never used
[INFO] [stdout]    --> collections/src/list.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl<T> Node<T> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn take(self) -> (T, List<T>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `len` are never read
[INFO] [stdout]   --> collections/src/sync/trie.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Trie<K, V> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 9  |     root: NodeRef<K, V>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     len: usize
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> collections/src/sync/trie.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<K: Key, V> NodeRef<K, V> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn insert<I>(&mut self, mut keys: I, v: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `children` are never read
[INFO] [stdout]   --> collections/src/sync/trie.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Node<K, V> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 49 |     value: Ptr<V>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |     children: Map<K, NodeRef<K, V>>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_value`, `child`, `child_mut`, and `get_or_add_child` are never used
[INFO] [stdout]   --> collections/src/sync/trie.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<K: Key, V> Node<K, V> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn set_value(&mut self, mut v: V) -> Option<V> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn child(&self, k: &K) -> Option<&NodeRef<K, V>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn child_mut(&mut self, k: &K) -> Option<&mut NodeRef<K, V>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `Command { std: "docker" "inspect" "885c400dc15cbf922431f7aa9651e8841b773b48b8065415f9fc2e0777d83b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885c400dc15cbf922431f7aa9651e8841b773b48b8065415f9fc2e0777d83b05", kill_on_drop: false }`
[INFO] [stdout] 885c400dc15cbf922431f7aa9651e8841b773b48b8065415f9fc2e0777d83b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09a9487d08af48567177e1c02e922a8c704b65c5a056bee9b2528ddeb0dc4ed0
[INFO] running `Command { std: "docker" "start" "-a" "09a9487d08af48567177e1c02e922a8c704b65c5a056bee9b2528ddeb0dc4ed0", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/dawg/Cargo.toml: unused manifest key: dev
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> shared/src/ptr.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |         while stored == self.0.compare_and_swap(cur, p, Ordering::Release) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `put` is never used
[INFO] [stdout]   --> shared/src/ptr.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> Ptr<T> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn put(&self, p: &mut T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling convert_derive v0.1.0 (/opt/rustwide/workdir/convert/derive)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling merge_derive v0.1.0 (/opt/rustwide/workdir/merge_derive)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find<'k>(&'m self, k: &'k K) -> Find<'m, 'k, K, V> {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> collections/src/multimap.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn remove_all(&mut self, k: &K) -> usize {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn first_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn range(&self, k: &K) -> Option<Range<usize>> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/sync/trie.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value_mut` and `into_value` are never used
[INFO] [stdout]   --> collections/src/record.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<K, V> Rec<K, V> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn value_mut(&mut self) -> &mut V {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn into_value(self) -> V {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `last_index` is never used
[INFO] [stdout]   --> collections/src/multimap.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'m, K: Ord, V> MultiMap<K, V> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take` is never used
[INFO] [stdout]    --> collections/src/list.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl<T> Node<T> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn take(self) -> (T, List<T>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `len` are never read
[INFO] [stdout]   --> collections/src/sync/trie.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Trie<K, V> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 9  |     root: NodeRef<K, V>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     len: usize
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> collections/src/sync/trie.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<K: Key, V> NodeRef<K, V> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn insert<I>(&mut self, mut keys: I, v: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `children` are never read
[INFO] [stdout]   --> collections/src/sync/trie.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Node<K, V> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 49 |     value: Ptr<V>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |     children: Map<K, NodeRef<K, V>>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_value`, `child`, `child_mut`, and `get_or_add_child` are never used
[INFO] [stdout]   --> collections/src/sync/trie.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<K: Key, V> Node<K, V> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn set_value(&mut self, mut v: V) -> Option<V> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn child(&self, k: &K) -> Option<&NodeRef<K, V>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn child_mut(&mut self, k: &K) -> Option<&mut NodeRef<K, V>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> email/src/lib.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn verify(&self, obj: &Self::Obj) -> Result<(), Self::Err> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = &self.pool.release(entry);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> dawg/src/pool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem::size_of`
[INFO] [stdout]  --> dawg/src/bitpool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mem::size_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> dawg/src/pool.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> dawg/src/custom.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> dawg/src/custom.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> dawg/src/custom.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Node<V>` in public interface (error E0446)
[INFO] [stdout]   --> dawg/src/custom.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE`, `size`, `swap`, `clear`, and `allocate` are never used
[INFO] [stdout]   --> dawg/src/pool.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Pool<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn allocate(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Int` is never used
[INFO] [stdout]  --> dawg/src/bitpool.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Int = usize;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitPool` is never constructed
[INFO] [stdout]  --> dawg/src/bitpool.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct BitPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE` and `get` are never used
[INFO] [stdout]   --> dawg/src/bitpool.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BitPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub fn get(&self, index: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dawg` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Dawg<K, V> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<V> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `empty` are never used
[INFO] [stdout]   --> dawg/src/custom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<V> Node<V> {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new(value: Option<V>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Edge<K> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> dawg/src/custom.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<K, V> Dawg<K, V> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn node(&self, idx: usize) -> &Node<V> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Traverse` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Traverse<'d, K, V, I> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aio v0.1.0 (/opt/rustwide/workdir/aio)
[INFO] [stderr]    Compiling url v0.1.0 (/opt/rustwide/workdir/url)
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = &self.pool.release(entry);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling email v0.1.0 (/opt/rustwide/workdir/email)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find<'k>(&'m self, k: &'k K) -> Find<'m, 'k, K, V> {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> collections/src/multimap.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn remove_all(&mut self, k: &K) -> usize {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn first_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/multimap.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn range(&self, k: &K) -> Option<Range<usize>> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> collections/src/sync/trie.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `value_mut` and `into_value` are never used
[INFO] [stdout]   --> collections/src/record.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<K, V> Rec<K, V> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn value_mut(&mut self) -> &mut V {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn into_value(self) -> V {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `last_index` is never used
[INFO] [stdout]   --> collections/src/multimap.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'m, K: Ord, V> MultiMap<K, V> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take` is never used
[INFO] [stdout]    --> collections/src/list.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl<T> Node<T> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn take(self) -> (T, List<T>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `len` are never read
[INFO] [stdout]   --> collections/src/sync/trie.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Trie<K, V> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 9  |     root: NodeRef<K, V>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     len: usize
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> collections/src/sync/trie.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<K: Key, V> NodeRef<K, V> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn insert<I>(&mut self, mut keys: I, v: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `children` are never read
[INFO] [stdout]   --> collections/src/sync/trie.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Node<K, V> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 49 |     value: Ptr<V>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |     children: Map<K, NodeRef<K, V>>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_value`, `child`, `child_mut`, and `get_or_add_child` are never used
[INFO] [stdout]   --> collections/src/sync/trie.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<K: Key, V> Node<K, V> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn set_value(&mut self, mut v: V) -> Option<V> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn child(&self, k: &K) -> Option<&NodeRef<K, V>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn child_mut(&mut self, k: &K) -> Option<&mut NodeRef<K, V>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> email/src/lib.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn verify(&self, obj: &Self::Obj) -> Result<(), Self::Err> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.1.0 (/opt/rustwide/workdir/rand)
[INFO] [stderr]    Compiling dawg v0.1.0 (/opt/rustwide/workdir/dawg)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> dawg/src/pool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem::size_of`
[INFO] [stdout]  --> dawg/src/bitpool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mem::size_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> dawg/src/custom.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> dawg/src/pool.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> dawg/src/custom.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> dawg/src/custom.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> dawg/src/custom.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> dawg/src/custom.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Node<V>` in public interface (error E0446)
[INFO] [stdout]   --> dawg/src/custom.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE`, `size`, `swap`, `clear`, and `allocate` are never used
[INFO] [stdout]   --> dawg/src/pool.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Pool<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn allocate(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Int` is never used
[INFO] [stdout]  --> dawg/src/bitpool.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Int = usize;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitPool` is never constructed
[INFO] [stdout]  --> dawg/src/bitpool.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct BitPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BLOCK_SIZE` and `get` are never used
[INFO] [stdout]   --> dawg/src/bitpool.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BitPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub fn get(&self, index: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dawg` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Dawg<K, V> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> dawg/src/custom.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<V> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `empty` are never used
[INFO] [stdout]   --> dawg/src/custom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<V> Node<V> {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn new(value: Option<V>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Edge<K> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> dawg/src/custom.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<K, V> Dawg<K, V> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn node(&self, idx: usize) -> &Node<V> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Traverse` is never constructed
[INFO] [stdout]   --> dawg/src/custom.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Traverse<'d, K, V, I> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEXTS` is never used
[INFO] [stdout]   --> dawg/src/custom.rs:80:11
[INFO] [stdout]    |
[INFO] [stdout] 80 |     const TEXTS: Vec<&'static str> = vec![
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir/timer)
[INFO] [stderr]    Compiling convert v0.1.0 (/opt/rustwide/workdir/convert)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]    Compiling uuid v0.1.0 (/opt/rustwide/workdir/uuid)
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir/merge)
[INFO] [stderr]    Compiling verify v0.1.0 (/opt/rustwide/workdir/verify)
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling time v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> shared/src/ptr.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |         while stored == self.0.compare_and_swap(cur, p, Ordering::Release) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `put` is never used
[INFO] [stdout]   --> shared/src/ptr.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> Ptr<T> {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn put(&self, p: &mut T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling combinatorics v0.1.0 (/opt/rustwide/workdir/combinatorics)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "09a9487d08af48567177e1c02e922a8c704b65c5a056bee9b2528ddeb0dc4ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a9487d08af48567177e1c02e922a8c704b65c5a056bee9b2528ddeb0dc4ed0", kill_on_drop: false }`
[INFO] [stdout] 09a9487d08af48567177e1c02e922a8c704b65c5a056bee9b2528ddeb0dc4ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6292fed2d8598da79a67df20ac9a340ca31ecf215cf7a303f88e4c168e5efef3
[INFO] running `Command { std: "docker" "start" "-a" "6292fed2d8598da79a67df20ac9a340ca31ecf215cf7a303f88e4c168e5efef3", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/dawg/Cargo.toml: unused manifest key: dev
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> shared/src/ptr.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |         while stored == self.0.compare_and_swap(cur, p, Ordering::Release) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `put` is never used
[INFO] [stderr]   --> shared/src/ptr.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl<T> Ptr<T> {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 41 |     fn put(&self, p: &mut T) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shared` (lib) generated 2 warnings
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> pool/src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         &self.pool.release(entry);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let _ = &self.pool.release(entry);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pool` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/multimap.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn find<'k>(&'m self, k: &'k K) -> Find<'m, 'k, K, V> {
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/multimap.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> collections/src/multimap.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn insert(&mut self, k: K, v: V) -> usize {
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/multimap.rs:49:34
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn remove_all(&mut self, k: &K) -> usize {
[INFO] [stderr]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/multimap.rs:53:27
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn first_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/multimap.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/multimap.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn range(&self, k: &K) -> Option<Range<usize>> {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> collections/src/sync/trie.rs:76:36
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `value_mut` and `into_value` are never used
[INFO] [stderr]   --> collections/src/record.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<K, V> Rec<K, V> {
[INFO] [stderr]    | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn value_mut(&mut self) -> &mut V {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn into_value(self) -> V {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `last_index` is never used
[INFO] [stderr]   --> collections/src/multimap.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'m, K: Ord, V> MultiMap<K, V> {
[INFO] [stderr]    | ---------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |     fn last_index(&self, k: &K) -> Result<usize, usize> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `take` is never used
[INFO] [stderr]    --> collections/src/list.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 94  | impl<T> Node<T> {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn take(self) -> (T, List<T>) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `root` and `len` are never read
[INFO] [stderr]   --> collections/src/sync/trie.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Trie<K, V> {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 9  |     root: NodeRef<K, V>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 10 |     len: usize
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `insert` is never used
[INFO] [stderr]   --> collections/src/sync/trie.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<K: Key, V> NodeRef<K, V> {
[INFO] [stderr]    | ----------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn insert<I>(&mut self, mut keys: I, v: V) -> Option<V>
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value` and `children` are never read
[INFO] [stderr]   --> collections/src/sync/trie.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct Node<K, V> {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 49 |     value: Ptr<V>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 50 |     children: Map<K, NodeRef<K, V>>
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_value`, `child`, `child_mut`, and `get_or_add_child` are never used
[INFO] [stderr]   --> collections/src/sync/trie.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl<K: Key, V> Node<K, V> {
[INFO] [stderr]    | -------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 60 |     fn set_value(&mut self, mut v: V) -> Option<V> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     fn child(&self, k: &K) -> Option<&NodeRef<K, V>> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     fn child_mut(&mut self, k: &K) -> Option<&mut NodeRef<K, V>> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     fn get_or_add_child(&mut self, k: K) -> &mut NodeRef<K, V> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> email/src/lib.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn verify(&self, obj: &Self::Obj) -> Result<(), Self::Err> {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::mem`
[INFO] [stderr]  --> dawg/src/pool.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::mem;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mem::size_of`
[INFO] [stderr]  --> dawg/src/bitpool.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mem::size_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> dawg/src/pool.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]   --> dawg/src/custom.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> dawg/src/custom.rs:37:42
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stderr]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]   --> dawg/src/custom.rs:43:33
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]   --> dawg/src/custom.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]   --> dawg/src/custom.rs:55:35
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stderr]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> dawg/src/custom.rs:65:24
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> dawg/src/custom.rs:65:36
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Node<V>` in public interface (error E0446)
[INFO] [stderr]   --> dawg/src/custom.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `BLOCK_SIZE`, `size`, `swap`, `clear`, and `allocate` are never used
[INFO] [stderr]   --> dawg/src/pool.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> Pool<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 18 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr] 19 |
[INFO] [stderr] 20 |     pub fn size(&self) -> usize {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn swap(&mut self, other: &mut Self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn allocate(&mut self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Int` is never used
[INFO] [stderr]  --> dawg/src/bitpool.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Int = usize;
[INFO] [stderr]   |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BitPool` is never constructed
[INFO] [stderr]  --> dawg/src/bitpool.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct BitPool {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `BLOCK_SIZE` and `get` are never used
[INFO] [stderr]   --> dawg/src/bitpool.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl BitPool {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 14 |     pub const BLOCK_SIZE: usize = 1 << 9;
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr] 15 |
[INFO] [stderr] 16 |     pub fn get(&self, index: usize) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Dawg` is never constructed
[INFO] [stderr]  --> dawg/src/custom.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Dawg<K, V> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> dawg/src/custom.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Node<V> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `empty` are never used
[INFO] [stderr]   --> dawg/src/custom.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<V> Node<V> {
[INFO] [stderr]    | --------------- associated functions in this implementation
[INFO] [stderr] 11 |     pub fn new(value: Option<V>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn empty() -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Edge` is never constructed
[INFO] [stderr]   --> dawg/src/custom.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Edge<K> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> dawg/src/custom.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl<K, V> Dawg<K, V> {
[INFO] [stderr]    | --------------------- associated items in this implementation
[INFO] [stderr] 27 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn root(&self) -> &Node<V> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn insert<I>(&mut self, keys: I, value: V) -> Option<V>
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn remove<I>(&mut self, keys: I) -> Option<V>
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn find<I>(&self, keys: I) -> Option<V>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn traverse<I>(&mut self, keys: I) -> Traverse<K, V, I>
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn node(&self, idx: usize) -> &Node<V> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     fn children(&self, idx: usize, k: K) -> &[Edge<K>] {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Traverse` is never constructed
[INFO] [stderr]   --> dawg/src/custom.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct Traverse<'d, K, V, I> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `collections` (lib) generated 15 warnings (run `cargo fix --lib -p collections` to apply 8 suggestions)
[INFO] [stderr] warning: `email` (lib) generated 1 warning (run `cargo fix --lib -p email` to apply 1 suggestion)
[INFO] [stderr] warning: `dawg` (lib) generated 21 warnings (run `cargo fix --lib -p dawg` to apply 10 suggestions)
[INFO] [stderr] warning: `collections` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr] warning: `pool` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `email` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> dawg/src/custom.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TEXTS` is never used
[INFO] [stderr]   --> dawg/src/custom.rs:80:11
[INFO] [stderr]    |
[INFO] [stderr] 80 |     const TEXTS: Vec<&'static str> = vec![
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dawg` (lib test) generated 23 warnings (21 duplicates) (run `cargo fix --lib -p dawg --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `shared` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aio-8799c11f5c0b0568)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/builder-55d9c68d6f78d57e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/collections-6e8700dce96c8a23)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test slicemap::test::map_put_and_find ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- slicemap::test::map_put_and_find stdout ----
[INFO] [stdout] StringMap(SliceMap { buf: [119, 111, 114, 100, 51, 119, 111, 114, 100, 50, 119, 111, 114, 100, 53, 119, 111, 114, 100, 52, 119, 111, 114, 100, 49], map: [(0, 3), (5, 2), (10, 5), (15, 4), (20, 1)] })
[INFO] [stdout] thread 'slicemap::test::map_put_and_find' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `None`,
[INFO] [stdout]  right: `Some(1)`', collections/src/slicemap.rs:158:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556376b0f24a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556376b0f24a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556376b0f24a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x556376b0f24a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x556376b32e9f - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x556376b0c595 - std::io::Write::write_fmt::hd24bfb68a1b35a25
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x556376b0f015 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x556376b0f015 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x556376b10cce - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x556376b10a01 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:285:9
[INFO] [stdout]   10:     0x556376ae3ceb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   11:     0x556376ae3ceb - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x556376b113b4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   13:     0x556376b113b4 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stdout]   14:     0x556376b11129 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   15:     0x556376b0f6b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x556376b10e82 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   17:     0x556376aaaba3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   18:     0x556376aaae7f - core::panicking::assert_failed_inner::haef49168e1798a91
[INFO] [stdout]   19:     0x556376ab046a - core::panicking::assert_failed::h3c10c5c9162021e1
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:228:5
[INFO] [stdout]   20:     0x556376aae3cd - collections::slicemap::test::map_put_and_find::hfcc085537a620d54
[INFO] [stdout]                                at /opt/rustwide/workdir/collections/src/slicemap.rs:158:13
[INFO] [stdout]   21:     0x556376aae037 - collections::slicemap::test::map_put_and_find::{{closure}}::hf4121cf4afabbc91
[INFO] [stdout]                                at /opt/rustwide/workdir/collections/src/slicemap.rs:148:27
[INFO] [stdout]   22:     0x556376aad4a5 - core::ops::function::FnOnce::call_once::ha5140f015f06d851
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x556376ae8bbf - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x556376ae8bbf - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stdout]   25:     0x556376ab63ac - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stdout]   26:     0x556376ab63ac - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x556376ae7c96 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   28:     0x556376ae7c96 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x556376ae7c96 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   30:     0x556376ae7c96 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   31:     0x556376ae7c96 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x556376ae7c96 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stdout]   33:     0x556376ae7c96 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stdout]   34:     0x556376ab0bb5 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stdout]   35:     0x556376ab0bb5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x556376ab60f1 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stdout]   37:     0x556376ab60f1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x556376ab60f1 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   39:     0x556376ab60f1 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   40:     0x556376ab60f1 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x556376ab60f1 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stdout]   42:     0x556376ab60f1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x556376b15885 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   44:     0x556376b15885 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   45:     0x556376b15885 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f7bcbf13b43 - <unknown>
[INFO] [stdout]   47:     0x7f7bcbfa4bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     slicemap::test::map_put_and_find
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p collections --lib`
[INFO] running `Command { std: "docker" "inspect" "6292fed2d8598da79a67df20ac9a340ca31ecf215cf7a303f88e4c168e5efef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6292fed2d8598da79a67df20ac9a340ca31ecf215cf7a303f88e4c168e5efef3", kill_on_drop: false }`
[INFO] [stdout] 6292fed2d8598da79a67df20ac9a340ca31ecf215cf7a303f88e4c168e5efef3
