[INFO] cloning repository https://github.com/SarthakMakhija/rust-workshop-labs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SarthakMakhija/rust-workshop-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarthakMakhija%2Frust-workshop-labs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarthakMakhija%2Frust-workshop-labs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f82453e6aa2845f096856ddd602f6ab5f951fd4d
[INFO] testing SarthakMakhija/rust-workshop-labs against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarthakMakhija%2Frust-workshop-labs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/SarthakMakhija/rust-workshop-labs
[INFO] finished tweaking git repo https://github.com/SarthakMakhija/rust-workshop-labs
[INFO] tweaked toml for git repo https://github.com/SarthakMakhija/rust-workshop-labs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SarthakMakhija/rust-workshop-labs on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SarthakMakhija/rust-workshop-labs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43ce32332acce0bf2ce8de18b3e9f038d0748446c885064d1d38de21bd3b0edc
[INFO] running `Command { std: "docker" "start" "-a" "43ce32332acce0bf2ce8de18b3e9f038d0748446c885064d1d38de21bd3b0edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ce32332acce0bf2ce8de18b3e9f038d0748446c885064d1d38de21bd3b0edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ce32332acce0bf2ce8de18b3e9f038d0748446c885064d1d38de21bd3b0edc", kill_on_drop: false }`
[INFO] [stdout] 43ce32332acce0bf2ce8de18b3e9f038d0748446c885064d1d38de21bd3b0edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 185c80a7aa6c8ff841d8a2caa07865a6d0e89c24b0d8441e656582d2bb6b708c
[INFO] running `Command { std: "docker" "start" "-a" "185c80a7aa6c8ff841d8a2caa07865a6d0e89c24b0d8441e656582d2bb6b708c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling stage6 v0.1.0 (/opt/rustwide/workdir/crates/stage6)
[INFO] [stderr]    Compiling stage11 v0.1.0 (/opt/rustwide/workdir/crates/stage11)
[INFO] [stderr]    Compiling stage7 v0.1.0 (/opt/rustwide/workdir/crates/stage7)
[INFO] [stderr]    Compiling stage9 v0.1.0 (/opt/rustwide/workdir/crates/stage9)
[INFO] [stderr]    Compiling stage1 v0.1.0 (/opt/rustwide/workdir/crates/stage1)
[INFO] [stderr]    Compiling stage10 v0.1.0 (/opt/rustwide/workdir/crates/stage10)
[INFO] [stderr]    Compiling stage2 v0.1.0 (/opt/rustwide/workdir/crates/stage2)
[INFO] [stderr]    Compiling stage5 v0.1.0 (/opt/rustwide/workdir/crates/stage5)
[INFO] [stderr]    Compiling stage8 v0.1.0 (/opt/rustwide/workdir/crates/stage8)
[INFO] [stderr]    Compiling stage4 v0.1.0 (/opt/rustwide/workdir/crates/stage4)
[INFO] [stderr]    Compiling stage13 v0.1.0 (/opt/rustwide/workdir/crates/stage13)
[INFO] [stderr]    Compiling stage3 v0.1.0 (/opt/rustwide/workdir/crates/stage3)
[INFO] [stderr]    Compiling tinycache v0.1.0 (/opt/rustwide/workdir/crates/stage14)
[INFO] [stderr]    Compiling stage12 v0.1.0 (/opt/rustwide/workdir/crates/stage12)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> crates/stage4/src/cache.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Cache<K, V>
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `get_mut`, and `update` are never used
[INFO] [stdout]   --> crates/stage4/src/cache.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 13 | | where
[INFO] [stdout] 14 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |       fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |       fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage7/src/cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage7/src/cache.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 22 |   {
[INFO] [stdout] 23 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> crates/stage1/src/cache.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Cache {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage1/src/cache.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Cache {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage9/src/cache.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage9/src/cache.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |       fn new() -> Arc<Cache<K, V>> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage9/src/cache.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Ref<'a, K, V>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage9/src/cache.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 54 | | where
[INFO] [stdout] 55 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 56 |   {
[INFO] [stdout] 57 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_shards`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage10/src/cache.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `shard_index` are never used
[INFO] [stdout]   --> crates/stage10/src/cache.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> crates/stage12/src/stats_counter.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage10/src/cache.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Ref<'a, K, V>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage10/src/cache.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 74 | | where
[INFO] [stdout] 75 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 76 |   {
[INFO] [stdout] 77 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> crates/stage12/src/padded_stats_counter.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage8/src/cache.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> crates/stage5/src/cache.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `get_mut` are never used
[INFO] [stdout]   --> crates/stage5/src/cache.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<V> Entry<V> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 17 |     fn new(value: V) -> Entry<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get(&self) -> Ref<'_, V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn get_mut(&self) -> RefMut<'_, V> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage5/src/cache.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage8/src/cache.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage8/src/cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 21 |   {
[INFO] [stdout] 22 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage8/src/cache.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Ref<'a, K, V>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage8/src/cache.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 68 | | where
[INFO] [stdout] 69 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 70 |   {
[INFO] [stdout] 71 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage5/src/cache.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 43 | | where
[INFO] [stdout] 44 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |       fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage3/src/cache.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `get_improved` are never used
[INFO] [stdout]   --> crates/stage3/src/cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 21 |   {
[INFO] [stdout] 22 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |       fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacheKey` is never constructed
[INFO] [stdout]  --> crates/stage2/src/cache.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CacheKey(String);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacheValue` is never constructed
[INFO] [stdout]   --> crates/stage2/src/cache.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct CacheValue(String);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage2/src/cache.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Cache {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage2/src/cache.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Cache {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 47 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatsType` is never used
[INFO] [stdout]  --> crates/stage12/src/stats_counter.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum StatsType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcurrentStatsCounter` is never constructed
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct ConcurrentStatsCounter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ConcurrentStatsCounter {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 24 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn increase_hits(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn increase_misses(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn increase_gets(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn increase_puts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn hits(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn misses(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn puts(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn gets(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn hit_ratio(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatsType` is never used
[INFO] [stdout]  --> crates/stage12/src/padded_stats_counter.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum StatsType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Counter(CachePadded<AtomicUsize>);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PaddedStatsCounter` is never constructed
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct PaddedStatsCounter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl PaddedStatsCounter {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn increase_hits(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn increase_misses(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn increase_gets(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn increase_puts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn hits(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn misses(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn puts(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn gets(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn hit_ratio(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage6/src/cache.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage6/src/cache.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     K: Hash + Eq,
[INFO] [stdout] 23 | |     V: Clone,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_shards`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/stage13/src/cache.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn shutdown(mut self) {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage11/src/shard.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage11/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> crates/stage11/src/shard.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shard` is never constructed
[INFO] [stdout]   --> crates/stage11/src/shard.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Shard<K, V>
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `cleanup` are never used
[INFO] [stdout]   --> crates/stage11/src/shard.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl<K, V> Shard<K, V>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     K: Hash + Eq + Clone,
[INFO] [stdout]    | |_________________________- associated items in this implementation
[INFO] [stdout] 35 |   {
[INFO] [stdout] 36 |       pub(crate) fn new() -> Shard<K, V> {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |       pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |       pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage11/src/shard.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> crates/stage11/src/shard.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 101 | | where
[INFO] [stdout] 102 | |     K: Hash + Eq,
[INFO] [stdout]     | |_________________- associated function in this implementation
[INFO] [stdout] 103 |   {
[INFO] [stdout] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Shards` is never used
[INFO] [stdout]   --> crates/stage11/src/cache.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage11/src/cache.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `shard_index`, and `spawn_expired_keys_cleaner` are never used
[INFO] [stdout]   --> crates/stage11/src/cache.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 23 | | where
[INFO] [stdout] 24 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 25 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] 26 |   {
[INFO] [stdout] 27 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |       fn spawn_expired_keys_cleaner(shards: Shards<K, V>) -> JoinHandle<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> crates/stage11/src/cache.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |                ^^^^   ^^   ^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 11 - type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout] 11 + type Shards<K, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage13/src/shard.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage13/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage13/src/cache.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Cache<K, V>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `shutdown`, and `spawn_expired_keys_cleaner` are never used
[INFO] [stdout]   --> crates/stage13/src/cache.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 28 | | where
[INFO] [stdout] 29 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 30 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] 31 |   {
[INFO] [stdout] 32 |       pub fn new(num_shards: usize) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |       pub fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |       pub fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       pub fn shutdown(mut self) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |       fn spawn_expired_keys_cleaner(inner: Arc<CacheInner<K, V>>) -> JoinHandle<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacheInner` is never constructed
[INFO] [stdout]    --> crates/stage13/src/cache.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct CacheInner<K, V>
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `mark_shutting_down`, and `shard_index` are never used
[INFO] [stdout]    --> crates/stage13/src/cache.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<K, V> CacheInner<K, V>
[INFO] [stdout] 113 | | where
[INFO] [stdout] 114 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 115 | |     V: Send + Sync + 'static,
[INFO] [stdout]     | |_____________________________- associated items in this implementation
[INFO] [stdout] 116 |   {
[INFO] [stdout] 117 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |       fn mark_shutting_down(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> crates/stage13/src/shard.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shard` is never constructed
[INFO] [stdout]   --> crates/stage13/src/shard.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Shard<K, V>
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `cleanup` are never used
[INFO] [stdout]   --> crates/stage13/src/shard.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl<K, V> Shard<K, V>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     K: Hash + Eq + Clone,
[INFO] [stdout]    | |_________________________- associated items in this implementation
[INFO] [stdout] 35 |   {
[INFO] [stdout] 36 |       pub(crate) fn new() -> Shard<K, V> {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |       pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |       pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage13/src/shard.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> crates/stage13/src/shard.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 101 | | where
[INFO] [stdout] 102 | |     K: Hash + Eq,
[INFO] [stdout]     | |_________________- associated function in this implementation
[INFO] [stdout] 103 |   {
[INFO] [stdout] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage14/src/shard.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage14/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shard_index` is never used
[INFO] [stdout]   --> crates/stage14/src/cache.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 31 | | where
[INFO] [stdout] 32 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 33 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |       pub(crate) fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]    --> crates/stage14/src/shard.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct Ref<'a, K, V>
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 134 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GETS` is never constructed
[INFO] [stdout]   --> crates/stage14/src/stats_counter.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum StatsType {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     GETS = 2,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> crates/stage14/src/stats_counter.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl PaddedStatsCounter {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) fn increase_gets(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn hits(&self) -> usize {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub(crate) fn misses(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub(crate) fn puts(&self) -> usize {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub(crate) fn gets(&self) -> usize {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub(crate) fn hit_ratio(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "185c80a7aa6c8ff841d8a2caa07865a6d0e89c24b0d8441e656582d2bb6b708c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185c80a7aa6c8ff841d8a2caa07865a6d0e89c24b0d8441e656582d2bb6b708c", kill_on_drop: false }`
[INFO] [stdout] 185c80a7aa6c8ff841d8a2caa07865a6d0e89c24b0d8441e656582d2bb6b708c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d067d2402990276016d993b72dd528d1bc2d00d19c201366406885bf0c4a378b
[INFO] running `Command { std: "docker" "start" "-a" "d067d2402990276016d993b72dd528d1bc2d00d19c201366406885bf0c4a378b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> crates/stage1/src/cache.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Cache {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage1/src/cache.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Cache {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/stage13/src/cache.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn shutdown(mut self) {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage13/src/shard.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage13/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage13/src/cache.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Cache<K, V>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `shutdown`, and `spawn_expired_keys_cleaner` are never used
[INFO] [stdout]   --> crates/stage13/src/cache.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 28 | | where
[INFO] [stdout] 29 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 30 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] 31 |   {
[INFO] [stdout] 32 |       pub fn new(num_shards: usize) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |       pub fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |       pub fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       pub fn shutdown(mut self) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |       fn spawn_expired_keys_cleaner(inner: Arc<CacheInner<K, V>>) -> JoinHandle<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacheInner` is never constructed
[INFO] [stdout]    --> crates/stage13/src/cache.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct CacheInner<K, V>
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `mark_shutting_down`, and `shard_index` are never used
[INFO] [stdout]    --> crates/stage13/src/cache.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<K, V> CacheInner<K, V>
[INFO] [stdout] 113 | | where
[INFO] [stdout] 114 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 115 | |     V: Send + Sync + 'static,
[INFO] [stdout]     | |_____________________________- associated items in this implementation
[INFO] [stdout] 116 |   {
[INFO] [stdout] 117 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |       fn mark_shutting_down(&self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> crates/stage13/src/shard.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shard` is never constructed
[INFO] [stdout]   --> crates/stage13/src/shard.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Shard<K, V>
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `cleanup` are never used
[INFO] [stdout]   --> crates/stage13/src/shard.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl<K, V> Shard<K, V>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     K: Hash + Eq + Clone,
[INFO] [stdout]    | |_________________________- associated items in this implementation
[INFO] [stdout] 35 |   {
[INFO] [stdout] 36 |       pub(crate) fn new() -> Shard<K, V> {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |       pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |       pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage13/src/shard.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> crates/stage13/src/shard.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 101 | | where
[INFO] [stdout] 102 | |     K: Hash + Eq,
[INFO] [stdout]     | |_________________- associated function in this implementation
[INFO] [stdout] 103 |   {
[INFO] [stdout] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage9/src/cache.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage9/src/cache.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |       fn new() -> Arc<Cache<K, V>> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage9/src/cache.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Ref<'a, K, V>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage9/src/cache.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 54 | | where
[INFO] [stdout] 55 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 56 |   {
[INFO] [stdout] 57 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> crates/stage5/src/cache.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `get_mut` are never used
[INFO] [stdout]   --> crates/stage5/src/cache.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<V> Entry<V> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 17 |     fn new(value: V) -> Entry<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get(&self) -> Ref<'_, V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn get_mut(&self) -> RefMut<'_, V> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage5/src/cache.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage5/src/cache.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 43 | | where
[INFO] [stdout] 44 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 45 |   {
[INFO] [stdout] 46 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |       fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage6/src/cache.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage6/src/cache.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     K: Hash + Eq,
[INFO] [stdout] 23 | |     V: Clone,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage7/src/cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage7/src/cache.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 22 |   {
[INFO] [stdout] 23 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]  --> crates/stage4/src/cache.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Cache<K, V>
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `get_mut`, and `update` are never used
[INFO] [stdout]   --> crates/stage4/src/cache.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 13 | | where
[INFO] [stdout] 14 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |       fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |       fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacheKey` is never constructed
[INFO] [stdout]  --> crates/stage2/src/cache.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CacheKey(String);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacheValue` is never constructed
[INFO] [stdout]   --> crates/stage2/src/cache.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct CacheValue(String);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage2/src/cache.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Cache {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage2/src/cache.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Cache {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 47 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage3/src/cache.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `get_improved` are never used
[INFO] [stdout]   --> crates/stage3/src/cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 21 |   {
[INFO] [stdout] 22 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |       fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_shards`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage11/src/shard.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage11/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> crates/stage11/src/shard.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shard` is never constructed
[INFO] [stdout]   --> crates/stage11/src/shard.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Shard<K, V>
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `cleanup` are never used
[INFO] [stdout]   --> crates/stage11/src/shard.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl<K, V> Shard<K, V>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     K: Hash + Eq + Clone,
[INFO] [stdout]    | |_________________________- associated items in this implementation
[INFO] [stdout] 35 |   {
[INFO] [stdout] 36 |       pub(crate) fn new() -> Shard<K, V> {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |       pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |       pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage11/src/shard.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> crates/stage11/src/shard.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 101 | | where
[INFO] [stdout] 102 | |     K: Hash + Eq,
[INFO] [stdout]     | |_________________- associated function in this implementation
[INFO] [stdout] 103 |   {
[INFO] [stdout] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Shards` is never used
[INFO] [stdout]   --> crates/stage11/src/cache.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage11/src/cache.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, `shard_index`, and `spawn_expired_keys_cleaner` are never used
[INFO] [stdout]   --> crates/stage11/src/cache.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 23 | | where
[INFO] [stdout] 24 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 25 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] 26 |   {
[INFO] [stdout] 27 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |       fn spawn_expired_keys_cleaner(shards: Shards<K, V>) -> JoinHandle<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> crates/stage11/src/cache.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |                ^^^^   ^^   ^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 11 - type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout] 11 + type Shards<K, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_shards`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage10/src/cache.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, `get`, and `shard_index` are never used
[INFO] [stdout]   --> crates/stage10/src/cache.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage10/src/cache.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Ref<'a, K, V>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage10/src/cache.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 74 | | where
[INFO] [stdout] 75 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 76 |   {
[INFO] [stdout] 77 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage8/src/cache.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> crates/stage8/src/cache.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stdout]   --> crates/stage8/src/cache.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 21 |   {
[INFO] [stdout] 22 |       fn new() -> Cache<K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn put(&self, key: K, value: V) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ref` is never constructed
[INFO] [stdout]   --> crates/stage8/src/cache.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Ref<'a, K, V>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage8/src/cache.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 68 | | where
[INFO] [stdout] 69 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 70 |   {
[INFO] [stdout] 71 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stage3 v0.1.0 (/opt/rustwide/workdir/crates/stage3)
[INFO] [stderr]    Compiling stage1 v0.1.0 (/opt/rustwide/workdir/crates/stage1)
[INFO] [stderr]    Compiling stage6 v0.1.0 (/opt/rustwide/workdir/crates/stage6)
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage14/src/shard.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage14/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shard_index` is never used
[INFO] [stdout]   --> crates/stage14/src/cache.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 31 | | where
[INFO] [stdout] 32 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 33 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |       pub(crate) fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]    --> crates/stage14/src/shard.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct Ref<'a, K, V>
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 134 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GETS` is never constructed
[INFO] [stdout]   --> crates/stage14/src/stats_counter.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum StatsType {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     GETS = 2,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> crates/stage14/src/stats_counter.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl PaddedStatsCounter {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) fn increase_gets(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn hits(&self) -> usize {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub(crate) fn misses(&self) -> usize {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub(crate) fn puts(&self) -> usize {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub(crate) fn gets(&self) -> usize {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub(crate) fn hit_ratio(&self) -> f64 {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> crates/stage12/src/stats_counter.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> crates/stage12/src/padded_stats_counter.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatsType` is never used
[INFO] [stdout]  --> crates/stage12/src/stats_counter.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum StatsType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcurrentStatsCounter` is never constructed
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct ConcurrentStatsCounter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ConcurrentStatsCounter {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 24 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn increase_hits(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn increase_misses(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn increase_gets(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn increase_puts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn hits(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn misses(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn puts(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn gets(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn hit_ratio(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatsType` is never used
[INFO] [stdout]  --> crates/stage12/src/padded_stats_counter.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum StatsType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Counter(CachePadded<AtomicUsize>);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PaddedStatsCounter` is never constructed
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct PaddedStatsCounter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl PaddedStatsCounter {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn increase_hits(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn increase_misses(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn increase_gets(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn increase_puts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn hits(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn misses(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn puts(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn gets(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn hit_ratio(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stage12 v0.1.0 (/opt/rustwide/workdir/crates/stage12)
[INFO] [stderr]    Compiling tinycache v0.1.0 (/opt/rustwide/workdir/crates/stage14)
[INFO] [stderr]    Compiling stage8 v0.1.0 (/opt/rustwide/workdir/crates/stage8)
[INFO] [stderr]    Compiling stage13 v0.1.0 (/opt/rustwide/workdir/crates/stage13)
[INFO] [stderr]    Compiling stage10 v0.1.0 (/opt/rustwide/workdir/crates/stage10)
[INFO] [stderr]    Compiling stage4 v0.1.0 (/opt/rustwide/workdir/crates/stage4)
[INFO] [stderr]    Compiling stage9 v0.1.0 (/opt/rustwide/workdir/crates/stage9)
[INFO] [stderr]    Compiling stage2 v0.1.0 (/opt/rustwide/workdir/crates/stage2)
[INFO] [stderr]    Compiling stage5 v0.1.0 (/opt/rustwide/workdir/crates/stage5)
[INFO] [stderr]    Compiling stage7 v0.1.0 (/opt/rustwide/workdir/crates/stage7)
[INFO] [stderr]    Compiling stage11 v0.1.0 (/opt/rustwide/workdir/crates/stage11)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage1/src/cache.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage1/src/cache.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Cache {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 10 |     entries: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage6/src/cache.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage8/src/cache.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage3/src/cache.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage7/src/cache.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> crates/stage12/src/stats_counter.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> crates/stage12/src/padded_stats_counter.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage6/src/cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     entries: RwLock<HashMap<K, V>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage7/src/cache.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Cache<K, V>
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     entries: RwLock<HashMap<K, Arc<V>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage3/src/cache.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cache<K, V>
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     entries: HashMap<K, V>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> crates/stage8/src/cache.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Ref<'a, K, V>
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     guard: RwLockReadGuard<'a, HashMap<K, V>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage8/src/cache.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 68 | | where
[INFO] [stdout] 69 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 70 |   {
[INFO] [stdout] 71 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> crates/stage4/src/cache.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage2/src/cache.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]  --> crates/stage4/src/cache.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Cache<K, V>
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     entries: HashMap<K, V>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage2/src/cache.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Cache {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 43 |     entries: HashMap<CacheKey, CacheValue>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage9/src/cache.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_shards`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage10/src/cache.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage9/src/cache.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cache<K, V>
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     entries: RwLock<HashMap<K, V>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> crates/stage9/src/cache.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Ref<'a, K, V>
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     guard: RwLockReadGuard<'a, HashMap<K, V>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage9/src/cache.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 54 | | where
[INFO] [stdout] 55 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 56 |   {
[INFO] [stdout] 57 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shards` and `num_shards` are never read
[INFO] [stdout]   --> crates/stage10/src/cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Cache<K, V>
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     shards: Vec<RwLock<HashMap<K, V>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     num_shards: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shard_index` is never used
[INFO] [stdout]   --> crates/stage10/src/cache.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> crates/stage10/src/cache.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Ref<'a, K, V>
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 69 |     guard: RwLockReadGuard<'a, HashMap<K, V>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage10/src/cache.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 74 | | where
[INFO] [stdout] 75 | |     K: Hash + Eq,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 76 |   {
[INFO] [stdout] 77 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/shard.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_shards`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage11/src/cache.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage5/src/cache.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/stage13/src/cache.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn shutdown(mut self) {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> crates/stage5/src/cache.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<V> Entry<V> {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 17 |     fn new(value: V) -> Entry<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage5/src/cache.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cache<K, V>
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     entries: HashMap<K, Entry<V>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage11/src/shard.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage11/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/stage13/src/shard.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `expires_at` are never read
[INFO] [stdout]   --> crates/stage11/src/shard.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 13 |     value: V,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     // 💡 The Metadata Layer: Every value now carries its own "best-before" date.
[INFO] [stdout] 15 |     expires_at: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entries` and `ttl_list` are never read
[INFO] [stdout]   --> crates/stage11/src/shard.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Shard<K, V>
[INFO] [stdout]    |                   ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     entries: RwLock<HashMap<K, Entry<V>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     // 💡 The TTL List: A specialized structure for order-based cleanup.
[INFO] [stdout] 29 |     ttl_list: RwLock<Vec<(K, Instant)>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cleanup` is never used
[INFO] [stdout]   --> crates/stage11/src/shard.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl<K, V> Shard<K, V>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     K: Hash + Eq + Clone,
[INFO] [stdout]    | |_________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> crates/stage11/src/shard.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> crates/stage11/src/shard.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 101 | | where
[INFO] [stdout] 102 | |     K: Hash + Eq,
[INFO] [stdout]     | |_________________- associated function in this implementation
[INFO] [stdout] 103 |   {
[INFO] [stdout] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shards` and `num_shards` are never read
[INFO] [stdout]   --> crates/stage11/src/cache.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cache<K, V>
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     shards: Shards<K, V>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     num_shards: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `shard_index` and `spawn_expired_keys_cleaner` are never used
[INFO] [stdout]   --> crates/stage11/src/cache.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 23 | | where
[INFO] [stdout] 24 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 25 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |       fn spawn_expired_keys_cleaner(shards: Shards<K, V>) -> JoinHandle<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> crates/stage11/src/cache.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |                ^^^^   ^^   ^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 11 - type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout] 11 + type Shards<K, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage13/src/shard.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage13/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cleaner` is never read
[INFO] [stdout]   --> crates/stage13/src/cache.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Cache<K, V>
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     cleaner: Option<JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `expires_at` are never read
[INFO] [stdout]   --> crates/stage13/src/shard.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Entry<V> {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 13 |     value: V,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     // 💡 The Metadata Layer: Every value now carries its own "best-before" date.
[INFO] [stdout] 15 |     expires_at: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entries` and `ttl_list` are never read
[INFO] [stdout]   --> crates/stage13/src/shard.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Shard<K, V>
[INFO] [stdout]    |                   ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     entries: RwLock<HashMap<K, Entry<V>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     // 💡 The TTL List: A specialized structure for order-based cleanup.
[INFO] [stdout] 29 |     ttl_list: RwLock<Vec<(K, Instant)>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> crates/stage13/src/shard.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> crates/stage13/src/shard.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stdout] 101 | | where
[INFO] [stdout] 102 | |     K: Hash + Eq,
[INFO] [stdout]     | |_________________- associated function in this implementation
[INFO] [stdout] 103 |   {
[INFO] [stdout] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats_type`
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct ConcurrentStatsCounter {
[INFO] [stdout]    |        ---------------------- field in this struct
[INFO] [stdout] 20 |     entries: [AtomicUsize; 4],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `puts` and `gets` are never used
[INFO] [stdout]   --> crates/stage12/src/stats_counter.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ConcurrentStatsCounter {
[INFO] [stdout]    | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn puts(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn gets(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> crates/stage12/src/padded_stats_counter.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct PaddedStatsCounter {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 28 |     entries: [Counter; 4],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stdout]    --> crates/stage14/src/shard.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> crates/stage14/src/shard.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout]  12 | struct Entry<V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shard_index` is never used
[INFO] [stdout]   --> crates/stage14/src/cache.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl<K, V> Cache<K, V>
[INFO] [stdout] 31 | | where
[INFO] [stdout] 32 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stdout] 33 | |     V: Send + Sync + 'static,
[INFO] [stdout]    | |_____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |       pub(crate) fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]    --> crates/stage14/src/shard.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct Ref<'a, K, V>
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 134 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d067d2402990276016d993b72dd528d1bc2d00d19c201366406885bf0c4a378b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d067d2402990276016d993b72dd528d1bc2d00d19c201366406885bf0c4a378b", kill_on_drop: false }`
[INFO] [stdout] d067d2402990276016d993b72dd528d1bc2d00d19c201366406885bf0c4a378b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ed9e75c26c9f38286e5022042a326a4ec69b14e1af8205ba1730a09e651296c
[INFO] running `Command { std: "docker" "start" "-a" "8ed9e75c26c9f38286e5022042a326a4ec69b14e1af8205ba1730a09e651296c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage7/src/cache.rs:32:19
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage7/src/cache.rs:32:27
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage7/src/cache.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage7/src/cache.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage7/src/cache.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 20 | | where
[INFO] [stderr] 21 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] 22 |   {
[INFO] [stderr] 23 |       fn new() -> Cache<K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |       fn put(&self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |       fn get<Q>(&self, key: &Q) -> Option<Arc<V>>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage1/src/cache.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage1/src/cache.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage1/src/cache.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]  --> crates/stage1/src/cache.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Cache {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage1/src/cache.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Cache {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 14 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn put(&mut self, key: String, value: String) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     fn get(&self, key: &String) -> Option<&String> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> crates/stage13/src/cache.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn shutdown(mut self) {
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage13/src/shard.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage13/src/shard.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ttl`
[INFO] [stderr]   --> crates/stage13/src/shard.rs:48:48
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage13/src/shard.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stderr]    --> crates/stage13/src/shard.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> crates/stage13/src/shard.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr]  12 | struct Entry<V> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage13/src/cache.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Cache<K, V>
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, `shutdown`, and `spawn_expired_keys_cleaner` are never used
[INFO] [stderr]   --> crates/stage13/src/cache.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 28 | | where
[INFO] [stderr] 29 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stderr] 30 | |     V: Send + Sync + 'static,
[INFO] [stderr]    | |_____________________________- associated items in this implementation
[INFO] [stderr] 31 |   {
[INFO] [stderr] 32 |       pub fn new(num_shards: usize) -> Self {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |       pub fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |       pub fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |       pub fn shutdown(mut self) {
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |       fn spawn_expired_keys_cleaner(inner: Arc<CacheInner<K, V>>) -> JoinHandle<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CacheInner` is never constructed
[INFO] [stderr]    --> crates/stage13/src/cache.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | struct CacheInner<K, V>
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, `mark_shutting_down`, and `shard_index` are never used
[INFO] [stderr]    --> crates/stage13/src/cache.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | / impl<K, V> CacheInner<K, V>
[INFO] [stderr] 113 | | where
[INFO] [stderr] 114 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stderr] 115 | |     V: Send + Sync + 'static,
[INFO] [stderr]     | |_____________________________- associated items in this implementation
[INFO] [stderr] 116 |   {
[INFO] [stderr] 117 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 126 |       fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 137 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |       fn mark_shutting_down(&self) {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Entry` is never constructed
[INFO] [stderr]   --> crates/stage13/src/shard.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Entry<V> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Shard` is never constructed
[INFO] [stderr]   --> crates/stage13/src/shard.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) struct Shard<K, V>
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, and `cleanup` are never used
[INFO] [stderr]   --> crates/stage13/src/shard.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 32 | / impl<K, V> Shard<K, V>
[INFO] [stderr] 33 | | where
[INFO] [stderr] 34 | |     K: Hash + Eq + Clone,
[INFO] [stderr]    | |_________________________- associated items in this implementation
[INFO] [stderr] 35 |   {
[INFO] [stderr] 36 |       pub(crate) fn new() -> Shard<K, V> {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |       pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |       pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ref` is never constructed
[INFO] [stderr]   --> crates/stage13/src/shard.rs:92:19
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> crates/stage13/src/shard.rs:104:19
[INFO] [stderr]     |
[INFO] [stderr] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stderr] 101 | | where
[INFO] [stderr] 102 | |     K: Hash + Eq,
[INFO] [stderr]     | |_________________- associated function in this implementation
[INFO] [stderr] 103 |   {
[INFO] [stderr] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage2/src/cache.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage2/src/cache.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stderr]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage2/src/cache.rs:61:19
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CacheKey` is never constructed
[INFO] [stderr]  --> crates/stage2/src/cache.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct CacheKey(String);
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CacheValue` is never constructed
[INFO] [stderr]   --> crates/stage2/src/cache.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct CacheValue(String);
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage2/src/cache.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct Cache {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage2/src/cache.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl Cache {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 47 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     fn put(&mut self, key: CacheKey, value: CacheValue) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn get(&self, key: &CacheKey) -> Option<&CacheValue> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage3/src/cache.rs:28:23
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage3/src/cache.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage3/src/cache.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get(&self, key: &K) -> Option<&V> {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage3/src/cache.rs:46:31
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stderr]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage3/src/cache.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, and `get_improved` are never used
[INFO] [stderr]   --> crates/stage3/src/cache.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 19 | | where
[INFO] [stderr] 20 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] 21 |   {
[INFO] [stderr] 22 |       fn new() -> Cache<K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |       fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |       fn get(&self, key: &K) -> Option<&V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |       fn get_improved<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage9/src/cache.rs:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage9/src/cache.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage9/src/cache.rs:35:22
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage9/src/cache.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage9/src/cache.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 20 | | where
[INFO] [stderr] 21 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |       fn new() -> Arc<Cache<K, V>> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |       fn put(&self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ref` is never constructed
[INFO] [stderr]   --> crates/stage9/src/cache.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct Ref<'a, K, V>
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> crates/stage9/src/cache.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stderr] 54 | | where
[INFO] [stderr] 55 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated function in this implementation
[INFO] [stderr] 56 |   {
[INFO] [stderr] 57 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage6/src/cache.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage6/src/cache.rs:33:27
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage6/src/cache.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage6/src/cache.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage6/src/cache.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 21 | | where
[INFO] [stderr] 22 | |     K: Hash + Eq,
[INFO] [stderr] 23 | |     V: Clone,
[INFO] [stderr]    | |_____________- associated items in this implementation
[INFO] [stderr] 24 |   {
[INFO] [stderr] 25 |       fn new() -> Cache<K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |       fn put(&self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |       fn get<Q>(&self, key: &Q) -> Option<V>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage5/src/cache.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage5/src/cache.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage5/src/cache.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Entry` is never constructed
[INFO] [stderr]   --> crates/stage5/src/cache.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Entry<V> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get`, and `get_mut` are never used
[INFO] [stderr]   --> crates/stage5/src/cache.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl<V> Entry<V> {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] 17 |     fn new(value: V) -> Entry<V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn get(&self) -> Ref<'_, V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn get_mut(&self) -> RefMut<'_, V> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage5/src/cache.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage5/src/cache.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 43 | | where
[INFO] [stderr] 44 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] 45 |   {
[INFO] [stderr] 46 |       fn new() -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |       fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |       fn get<Q>(&self, key: &Q) -> Option<&Entry<V>>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage8/src/cache.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage8/src/cache.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, and `get` are never used
[INFO] [stderr]   --> crates/stage8/src/cache.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 19 | | where
[INFO] [stderr] 20 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] 21 |   {
[INFO] [stderr] 22 |       fn new() -> Cache<K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |       fn put(&self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ref` is never constructed
[INFO] [stderr]   --> crates/stage8/src/cache.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct Ref<'a, K, V>
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> crates/stage8/src/cache.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stderr] 68 | | where
[INFO] [stderr] 69 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated function in this implementation
[INFO] [stderr] 70 |   {
[INFO] [stderr] 71 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stage7` (lib) generated 5 warnings (run `cargo fix --lib -p stage7` to apply 3 suggestions)
[INFO] [stderr] warning: `stage1` (lib) generated 5 warnings (run `cargo fix --lib -p stage1` to apply 3 suggestions)
[INFO] [stderr] warning: `stage13` (lib) generated 15 warnings (run `cargo fix --lib -p stage13` to apply 5 suggestions)
[INFO] [stderr] warning: `stage2` (lib) generated 7 warnings (run `cargo fix --lib -p stage2` to apply 3 suggestions)
[INFO] [stderr] warning: `stage3` (lib) generated 6 warnings (run `cargo fix --lib -p stage3` to apply 4 suggestions)
[INFO] [stderr] warning: `stage9` (lib) generated 7 warnings (run `cargo fix --lib -p stage9` to apply 3 suggestions)
[INFO] [stderr] warning: `stage6` (lib) generated 5 warnings (run `cargo fix --lib -p stage6` to apply 3 suggestions)
[INFO] [stderr] warning: `stage5` (lib) generated 7 warnings (run `cargo fix --lib -p stage5` to apply 3 suggestions)
[INFO] [stderr] warning: `stage8` (lib) generated 5 warnings (run `cargo fix --lib -p stage8` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `num_shards`
[INFO] [stderr]   --> crates/stage10/src/cache.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage10/src/cache.rs:32:19
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage10/src/cache.rs:32:27
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn put(&self, key: K, value: V) {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage10/src/cache.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage10/src/cache.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, and `shard_index` are never used
[INFO] [stderr]   --> crates/stage10/src/cache.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 22 | | where
[INFO] [stderr] 23 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] 24 |   {
[INFO] [stderr] 25 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |       fn put(&self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ref` is never constructed
[INFO] [stderr]   --> crates/stage10/src/cache.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Ref<'a, K, V>
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> crates/stage10/src/cache.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stderr] 74 | | where
[INFO] [stderr] 75 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated function in this implementation
[INFO] [stderr] 76 |   {
[INFO] [stderr] 77 |       fn new(guard: RwLockReadGuard<'a, HashMap<K, V>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage11/src/shard.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage11/src/shard.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ttl`
[INFO] [stderr]   --> crates/stage11/src/shard.rs:48:48
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage11/src/shard.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_shards`
[INFO] [stderr]   --> crates/stage11/src/cache.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_shards`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage11/src/cache.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage11/src/cache.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ttl`
[INFO] [stderr]   --> crates/stage11/src/cache.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ttl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage11/src/cache.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stderr]    --> crates/stage11/src/shard.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> crates/stage11/src/shard.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr]  12 | struct Entry<V> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Entry` is never constructed
[INFO] [stderr]   --> crates/stage11/src/shard.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Entry<V> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Shard` is never constructed
[INFO] [stderr]   --> crates/stage11/src/shard.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) struct Shard<K, V>
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, and `cleanup` are never used
[INFO] [stderr]   --> crates/stage11/src/shard.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 32 | / impl<K, V> Shard<K, V>
[INFO] [stderr] 33 | | where
[INFO] [stderr] 34 | |     K: Hash + Eq + Clone,
[INFO] [stderr]    | |_________________________- associated items in this implementation
[INFO] [stderr] 35 |   {
[INFO] [stderr] 36 |       pub(crate) fn new() -> Shard<K, V> {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |       pub(crate) fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |       pub(crate) fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ref` is never constructed
[INFO] [stderr]   --> crates/stage11/src/shard.rs:92:19
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> crates/stage11/src/shard.rs:104:19
[INFO] [stderr]     |
[INFO] [stderr] 100 | / impl<'a, K, V> Ref<'a, K, V>
[INFO] [stderr] 101 | | where
[INFO] [stderr] 102 | |     K: Hash + Eq,
[INFO] [stderr]     | |_________________- associated function in this implementation
[INFO] [stderr] 103 |   {
[INFO] [stderr] 104 |       pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Shards` is never used
[INFO] [stderr]   --> crates/stage11/src/cache.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]   --> crates/stage11/src/cache.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Cache<K, V>
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, `shard_index`, and `spawn_expired_keys_cleaner` are never used
[INFO] [stderr]   --> crates/stage11/src/cache.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 23 | | where
[INFO] [stderr] 24 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stderr] 25 | |     V: Send + Sync + 'static,
[INFO] [stderr]    | |_____________________________- associated items in this implementation
[INFO] [stderr] 26 |   {
[INFO] [stderr] 27 |       fn new(num_shards: usize) -> Arc<Self> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |       fn put(&self, key: K, value: V, ttl: Duration) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |       fn get<Q>(&self, key: &Q) -> Option<Ref<'_, K, V>>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |       fn spawn_expired_keys_cleaner(shards: Shards<K, V>) -> JoinHandle<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stderr]   --> crates/stage11/src/cache.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stderr]    |                ^^^^   ^^   ^^^^^ will not be checked at usage sites of the type alias
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stderr]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stderr]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: remove this bound
[INFO] [stderr]    |
[INFO] [stderr] 11 - type Shards<K: Hash + Eq + Clone, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stderr] 11 + type Shards<K, V> = Arc<Vec<Shard<K, V>>>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage4/src/cache.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> crates/stage4/src/cache.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage4/src/cache.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage4/src/cache.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> crates/stage4/src/cache.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]   --> crates/stage4/src/cache.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cache` is never constructed
[INFO] [stderr]  --> crates/stage4/src/cache.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Cache<K, V>
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `put`, `get`, `get_mut`, and `update` are never used
[INFO] [stderr]   --> crates/stage4/src/cache.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 13 | | where
[INFO] [stderr] 14 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- associated items in this implementation
[INFO] [stderr] 15 |   {
[INFO] [stderr] 16 |       fn new() -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |       fn put(&mut self, key: K, value: V) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |       fn get<Q>(&self, key: &Q) -> Option<&V>
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |       fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |       fn update<Q, F>(&mut self, key: &Q, block: F)
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> crates/stage5/src/cache.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl<V> Entry<V> {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 17 |     fn new(value: V) -> Entry<V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage5/src/cache.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Cache<K, V>
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 39 |     entries: HashMap<K, Entry<V>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> crates/stage8/src/cache.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct Ref<'a, K, V>
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 62 |     guard: RwLockReadGuard<'a, HashMap<K, V>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage6/src/cache.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Cache<K, V>
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 17 |     entries: RwLock<HashMap<K, V>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stage10` (lib) generated 8 warnings (run `cargo fix --lib -p stage10` to apply 4 suggestions)
[INFO] [stderr] warning: `stage11` (lib) generated 19 warnings (run `cargo fix --lib -p stage11` to apply 10 suggestions)
[INFO] [stderr] warning: `stage4` (lib) generated 8 warnings (run `cargo fix --lib -p stage4` to apply 6 suggestions)
[INFO] [stderr] warning: `stage5` (lib test) generated 5 warnings (3 duplicates)
[INFO] [stderr] warning: `stage8` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr] warning: `stage6` (lib test) generated 4 warnings (3 duplicates)
[INFO] [stderr] warning: type `shard::Entry<V>` is more private than the item `shard::Ref::<'a, K, V>::new`
[INFO] [stderr]    --> crates/stage14/src/shard.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub(crate) fn new(guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>, value: *const V) -> Ref<'a, K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `shard::Ref::<'a, K, V>::new` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `shard::Entry<V>` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> crates/stage14/src/shard.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr]  12 | struct Entry<V> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `shard_index` is never used
[INFO] [stderr]   --> crates/stage14/src/cache.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 30 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 31 | | where
[INFO] [stderr] 32 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stderr] 33 | |     V: Send + Sync + 'static,
[INFO] [stderr]    | |_____________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 99 |       pub(crate) fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]    --> crates/stage14/src/shard.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub struct Ref<'a, K, V>
[INFO] [stderr]     |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 134 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GETS` is never constructed
[INFO] [stderr]   --> crates/stage14/src/stats_counter.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | enum StatsType {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 12 |     GETS = 2,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]   --> crates/stage14/src/stats_counter.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl PaddedStatsCounter {
[INFO] [stderr]    | ----------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub(crate) fn increase_gets(&self) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub(crate) fn hits(&self) -> usize {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub(crate) fn misses(&self) -> usize {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub(crate) fn puts(&self) -> usize {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub(crate) fn gets(&self) -> usize {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub(crate) fn hit_ratio(&self) -> f64 {
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]  --> crates/stage12/src/stats_counter.rs:1:38
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]   |                                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]  --> crates/stage12/src/padded_stats_counter.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]   |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stats_type`
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stderr]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:83:47
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stderr]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stats_type`
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stats_type`
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stderr]    |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:81:47
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stderr]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stats_type`
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:87:19
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stats_type`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `StatsType` is never used
[INFO] [stderr]  --> crates/stage12/src/stats_counter.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum StatsType {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ConcurrentStatsCounter` is never constructed
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct ConcurrentStatsCounter {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl ConcurrentStatsCounter {
[INFO] [stderr]    | --------------------------- associated items in this implementation
[INFO] [stderr] 24 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn increase_hits(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     fn increase_misses(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn increase_gets(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn increase_puts(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     fn hits(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     fn misses(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn puts(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     fn gets(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     fn hit_ratio(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `StatsType` is never used
[INFO] [stderr]  --> crates/stage12/src/padded_stats_counter.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | enum StatsType {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Counter` is never constructed
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct Counter(CachePadded<AtomicUsize>);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PaddedStatsCounter` is never constructed
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct PaddedStatsCounter {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl PaddedStatsCounter {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn increase_hits(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn increase_misses(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     fn increase_gets(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn increase_puts(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     fn hits(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     fn misses(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn puts(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     fn gets(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     fn hit_ratio(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     fn increase(&self, stats_type: StatsType, count: usize) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |     fn get(&self, stats_type: StatsType) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct ConcurrentStatsCounter {
[INFO] [stderr]    |        ---------------------- field in this struct
[INFO] [stderr] 20 |     entries: [AtomicUsize; 4],
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `puts` and `gets` are never used
[INFO] [stderr]   --> crates/stage12/src/stats_counter.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl ConcurrentStatsCounter {
[INFO] [stderr]    | --------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn puts(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     fn gets(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage12/src/padded_stats_counter.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct PaddedStatsCounter {
[INFO] [stderr]    |        ------------------ field in this struct
[INFO] [stderr] 28 |     entries: [Counter; 4],
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value` and `expires_at` are never read
[INFO] [stderr]   --> crates/stage11/src/shard.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Entry<V> {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 13 |     value: V,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 14 |     // 💡 The Metadata Layer: Every value now carries its own "best-before" date.
[INFO] [stderr] 15 |     expires_at: Instant,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `entries` and `ttl_list` are never read
[INFO] [stderr]   --> crates/stage11/src/shard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) struct Shard<K, V>
[INFO] [stderr]    |                   ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 27 |     entries: RwLock<HashMap<K, Entry<V>>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 28 |     // 💡 The TTL List: A specialized structure for order-based cleanup.
[INFO] [stderr] 29 |     ttl_list: RwLock<Vec<(K, Instant)>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cleanup` is never used
[INFO] [stderr]   --> crates/stage11/src/shard.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 32 | / impl<K, V> Shard<K, V>
[INFO] [stderr] 33 | | where
[INFO] [stderr] 34 | |     K: Hash + Eq + Clone,
[INFO] [stderr]    | |_________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 82 |       pub(crate) fn cleanup(&self) {
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> crates/stage11/src/shard.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stderr]    |                   --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 96 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `shards` and `num_shards` are never read
[INFO] [stderr]   --> crates/stage11/src/cache.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Cache<K, V>
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     shards: Shards<K, V>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 19 |     num_shards: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `shard_index` and `spawn_expired_keys_cleaner` are never used
[INFO] [stderr]   --> crates/stage11/src/cache.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 23 | | where
[INFO] [stderr] 24 | |     K: Hash + Eq + Clone + Send + Sync + 'static,
[INFO] [stderr] 25 | |     V: Send + Sync + 'static,
[INFO] [stderr]    | |_____________________________- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 58 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |       fn spawn_expired_keys_cleaner(shards: Shards<K, V>) -> JoinHandle<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage1/src/cache.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Cache {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 10 |     entries: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage7/src/cache.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Cache<K, V>
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 16 |     entries: RwLock<HashMap<K, Arc<V>>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]  --> crates/stage4/src/cache.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Cache<K, V>
[INFO] [stderr]   |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 9 |     entries: HashMap<K, V>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `cleaner` is never read
[INFO] [stderr]   --> crates/stage13/src/cache.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Cache<K, V>
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 24 |     cleaner: Option<JoinHandle<()>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value` and `expires_at` are never read
[INFO] [stderr]   --> crates/stage13/src/shard.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Entry<V> {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 13 |     value: V,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 14 |     // 💡 The Metadata Layer: Every value now carries its own "best-before" date.
[INFO] [stderr] 15 |     expires_at: Instant,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `entries` and `ttl_list` are never read
[INFO] [stderr]   --> crates/stage13/src/shard.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub(crate) struct Shard<K, V>
[INFO] [stderr]    |                   ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 27 |     entries: RwLock<HashMap<K, Entry<V>>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 28 |     // 💡 The TTL List: A specialized structure for order-based cleanup.
[INFO] [stderr] 29 |     ttl_list: RwLock<Vec<(K, Instant)>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> crates/stage13/src/shard.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub(crate) struct Ref<'a, K, V>
[INFO] [stderr]    |                   --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 96 |     guard: RwLockReadGuard<'a, HashMap<K, Entry<V>>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `shards` and `num_shards` are never read
[INFO] [stderr]   --> crates/stage10/src/cache.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Cache<K, V>
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 17 |     shards: Vec<RwLock<HashMap<K, V>>>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 18 |     num_shards: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `shard_index` is never used
[INFO] [stderr]   --> crates/stage10/src/cache.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl<K, V> Cache<K, V>
[INFO] [stderr] 22 | | where
[INFO] [stderr] 23 | |     K: Hash + Eq,
[INFO] [stderr]    | |_________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |       fn shard_index<Q>(&self, key: &Q) -> usize
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> crates/stage10/src/cache.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Ref<'a, K, V>
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 69 |     guard: RwLockReadGuard<'a, HashMap<K, V>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage2/src/cache.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct Cache {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 43 |     entries: HashMap<CacheKey, CacheValue>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage9/src/cache.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Cache<K, V>
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 16 |     entries: RwLock<HashMap<K, V>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `guard` is never read
[INFO] [stderr]   --> crates/stage9/src/cache.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct Ref<'a, K, V>
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 49 |     guard: RwLockReadGuard<'a, HashMap<K, V>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `entries` is never read
[INFO] [stderr]   --> crates/stage3/src/cache.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Cache<K, V>
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 15 |     entries: HashMap<K, V>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tinycache` (lib) generated 5 warnings
[INFO] [stderr] warning: `stage12` (lib) generated 15 warnings (run `cargo fix --lib -p stage12` to apply 8 suggestions)
[INFO] [stderr] warning: `tinycache` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `stage12` (lib test) generated 11 warnings (8 duplicates)
[INFO] [stderr] warning: `stage11` (lib test) generated 18 warnings (12 duplicates)
[INFO] [stderr] warning: `stage1` (lib test) generated 4 warnings (3 duplicates)
[INFO] [stderr] warning: `stage7` (lib test) generated 4 warnings (3 duplicates)
[INFO] [stderr] warning: `stage4` (lib test) generated 7 warnings (6 duplicates)
[INFO] [stderr] warning: `stage13` (lib test) generated 11 warnings (7 duplicates)
[INFO] [stderr] warning: `stage10` (lib test) generated 8 warnings (5 duplicates)
[INFO] [stderr] warning: `stage2` (lib test) generated 4 warnings (3 duplicates)
[INFO] [stderr] warning: `stage9` (lib test) generated 6 warnings (4 duplicates)
[INFO] [stderr] warning: `stage3` (lib test) generated 5 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stage1-8632abc2dcbca892)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test cache::tests::attempt_get_a_key_from_empty_cache ... FAILED
[INFO] [stdout] test cache::tests::attempt_get_a_non_existent_key ... FAILED
[INFO] [stdout] test cache::tests::get_existing_key ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cache::tests::attempt_get_a_key_from_empty_cache stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'cache::tests::attempt_get_a_key_from_empty_cache' (18) panicked at crates/stage1/src/cache.rs:44:9:
[INFO] [stdout] not implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6351bc1b816a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6351bc1b816a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6351bc1b816a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6351bc1b816a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6351bc1cbf5a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6351bc1cbf5a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x6351bc1bc9a2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x6351bc1bc9a2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x6351bc19716f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6351bc19716f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6351bc1b0619 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6351bc14ce2c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x6351bc14ce2c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6351bc1b07d2 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x6351bc1b07d2 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6351bc19725a - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6351bc18ebc9 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6351bc197f3d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6351bc1cc64c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6351bc1cc612 - core[35159d6ffb30e017]::panicking::panic
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6351bc13e917 - <stage1[6435bcba8054b52d]::cache::Cache>::get
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:44:9
[INFO] [stdout]   21:     0x6351bc13f517 - stage1[6435bcba8054b52d]::cache::tests::attempt_get_a_key_from_empty_cache
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:58:27
[INFO] [stdout]   22:     0x6351bc13e897 - stage1[6435bcba8054b52d]::cache::tests::attempt_get_a_key_from_empty_cache::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:53:44
[INFO] [stdout]   23:     0x6351bc140026 - <stage1[6435bcba8054b52d]::cache::tests::attempt_get_a_key_from_empty_cache::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6351bc14010b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6351bc14010b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6351bc14d8fb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6351bc14d8fb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6351bc14d8fb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6351bc14d8fb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6351bc1482d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6351bc1482d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6351bc150502 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6351bc150502 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6351bc150502 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6351bc150502 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6351bc150502 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6351bc150502 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6351bc150502 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6351bc1b7a7f - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x6351bc1b7a7f - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a39a1761aa4 - <unknown>
[INFO] [stdout]   45:     0x7a39a17eea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- cache::tests::attempt_get_a_non_existent_key stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'cache::tests::attempt_get_a_non_existent_key' (19) panicked at crates/stage1/src/cache.rs:27:9:
[INFO] [stdout] not implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6351bc1b816a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6351bc1b816a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6351bc1b816a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6351bc1b816a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6351bc1cbf5a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6351bc1cbf5a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x6351bc1bc9a2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x6351bc1bc9a2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x6351bc19716f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6351bc19716f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6351bc1b0619 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6351bc14ce2c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x6351bc14ce2c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6351bc1b07d2 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x6351bc1b07d2 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6351bc19725a - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6351bc18ebc9 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6351bc197f3d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6351bc1cc64c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6351bc1cc612 - core[35159d6ffb30e017]::panicking::panic
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6351bc13e98e - <stage1[6435bcba8054b52d]::cache::Cache>::put
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:27:9
[INFO] [stdout]   21:     0x6351bc13f3a8 - stage1[6435bcba8054b52d]::cache::tests::attempt_get_a_non_existent_key
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:81:15
[INFO] [stdout]   22:     0x6351bc13e867 - stage1[6435bcba8054b52d]::cache::tests::attempt_get_a_non_existent_key::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:79:40
[INFO] [stdout]   23:     0x6351bc13ffe6 - <stage1[6435bcba8054b52d]::cache::tests::attempt_get_a_non_existent_key::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6351bc14010b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6351bc14010b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6351bc14d8fb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6351bc14d8fb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6351bc14d8fb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6351bc14d8fb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6351bc1482d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6351bc1482d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6351bc150502 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6351bc150502 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6351bc150502 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6351bc150502 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6351bc150502 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6351bc150502 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6351bc150502 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6351bc1b7a7f - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x6351bc1b7a7f - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a39a1761aa4 - <unknown>
[INFO] [stdout]   45:     0x7a39a17eea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- cache::tests::get_existing_key stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'cache::tests::get_existing_key' (20) panicked at crates/stage1/src/cache.rs:27:9:
[INFO] [stdout] not implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6351bc1b816a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6351bc1b816a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6351bc1b816a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6351bc1b816a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6351bc1cbf5a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6351bc1cbf5a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x6351bc1bc9a2 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x6351bc1bc9a2 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x6351bc19716f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6351bc19716f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6351bc1b0619 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6351bc14ce2c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x6351bc14ce2c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6351bc1b07d2 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x6351bc1b07d2 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6351bc19725a - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6351bc18ebc9 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6351bc197f3d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6351bc1cc64c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6351bc1cc612 - core[35159d6ffb30e017]::panicking::panic
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6351bc13e98e - <stage1[6435bcba8054b52d]::cache::Cache>::put
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:27:9
[INFO] [stdout]   21:     0x6351bc13f178 - stage1[6435bcba8054b52d]::cache::tests::get_existing_key
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:71:15
[INFO] [stdout]   22:     0x6351bc13e837 - stage1[6435bcba8054b52d]::cache::tests::get_existing_key::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/stage1/src/cache.rs:67:26
[INFO] [stdout]   23:     0x6351bc13ffa6 - <stage1[6435bcba8054b52d]::cache::tests::get_existing_key::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6351bc14010b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6351bc14010b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6351bc14d8fb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6351bc14d8fb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6351bc14d8fb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stderr] error: test failed, to rerun pass `-p stage1 --lib`
[INFO] [stdout]   30:     0x6351bc14d8fb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6351bc14d8fb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6351bc1482d4 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6351bc1482d4 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6351bc150502 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6351bc150502 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6351bc150502 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6351bc150502 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6351bc150502 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6351bc150502 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6351bc150502 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6351bc1b7a7f - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x6351bc1b7a7f - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7a39a1761aa4 - <unknown>
[INFO] [stdout]   45:     0x7a39a17eea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cache::tests::attempt_get_a_key_from_empty_cache
[INFO] [stdout]     cache::tests::attempt_get_a_non_existent_key
[INFO] [stdout]     cache::tests::get_existing_key
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ed9e75c26c9f38286e5022042a326a4ec69b14e1af8205ba1730a09e651296c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed9e75c26c9f38286e5022042a326a4ec69b14e1af8205ba1730a09e651296c", kill_on_drop: false }`
[INFO] [stdout] 8ed9e75c26c9f38286e5022042a326a4ec69b14e1af8205ba1730a09e651296c
