[INFO] fetching crate kira_kv_engine 0.3.2...
[INFO] testing kira_kv_engine-0.3.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate kira_kv_engine 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate kira_kv_engine 0.3.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kira_kv_engine 0.3.2
[INFO] tweaked toml for crates.io crate kira_kv_engine 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kira_kv_engine 0.3.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kira_kv_engine 0.3.2 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wyhash v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39de71d910a3eec742935aa1ebc4b7d8152ff540f73bc425ffe0528ae5b3b9ae
[INFO] running `Command { std: "docker" "start" "-a" "39de71d910a3eec742935aa1ebc4b7d8152ff540f73bc425ffe0528ae5b3b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39de71d910a3eec742935aa1ebc4b7d8152ff540f73bc425ffe0528ae5b3b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39de71d910a3eec742935aa1ebc4b7d8152ff540f73bc425ffe0528ae5b3b9ae", kill_on_drop: false }`
[INFO] [stdout] 39de71d910a3eec742935aa1ebc4b7d8152ff540f73bc425ffe0528ae5b3b9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb88e5bb8f78ea5cdc1ae24d67861cc7730b3314a481c006892250fe8a6f36e9
[INFO] running `Command { std: "docker" "start" "-a" "eb88e5bb8f78ea5cdc1ae24d67861cc7730b3314a481c006892250fe8a6f36e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling wyhash v0.6.0
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling rkyv_derive v0.7.46
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling kira_kv_engine v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]   --> src/index.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hashbrown::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/index.rs:748:5
[INFO] [stdout]     |
[INFO] [stdout] 745 |         return Some(core_ids.iter().take(half).map(|c| c.id).collect());
[INFO] [stdout]     |         --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 748 |     Some(core_ids.iter().map(|c| c.id).collect())
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastBuildHasher` is never constructed
[INFO] [stdout]  --> src/build_hasher.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FastBuildHasher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]     --> src/index.rs:1055:4
[INFO] [stdout]      |
[INFO] [stdout] 1055 | fn hash_bytes(key: &[u8]) -> u64 {
[INFO] [stdout]      |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_u64` is never used
[INFO] [stdout]     --> src/index.rs:1069:4
[INFO] [stdout]      |
[INFO] [stdout] 1069 | fn hash_u64(key: u64) -> u64 {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kind` is never used
[INFO] [stdout]    --> src/mph_backend.rs:989:12
[INFO] [stdout]     |
[INFO] [stdout] 988 | impl BackendDispatch {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 989 |     pub fn kind(&self) -> BackendKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1324:4
[INFO] [stdout]      |
[INFO] [stdout] 1324 | fn set_bit(bits: &mut [u64], idx: usize) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_bit` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1331:4
[INFO] [stdout]      |
[INFO] [stdout] 1331 | fn test_bit(bits: &[u64], idx: usize) -> bool {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chd_slot_fast` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1354:4
[INFO] [stdout]      |
[INFO] [stdout] 1354 | fn chd_slot_fast(h23: u64, disp: u32, n: usize) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `core_shard_count` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1395:4
[INFO] [stdout]      |
[INFO] [stdout] 1395 | fn core_shard_count(cfg: &BuildConfig, buckets: usize, n: usize) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chd_slot_starts` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1447:4
[INFO] [stdout]      |
[INFO] [stdout] 1447 | fn chd_slot_starts(n: usize, shards: usize) -> Vec<u32> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prehash_unique_u64` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1554:8
[INFO] [stdout]      |
[INFO] [stdout] 1554 | pub fn prehash_unique_u64(keys: &[Vec<u8>], seed: u64) -> Option<(u64, Vec<u64>)> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prehash_unique_u64_arena` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1629:8
[INFO] [stdout]      |
[INFO] [stdout] 1629 | pub fn prehash_unique_u64_arena(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `build`, `build_unique_vec`, and `build_unique_u64_ref_sharded_first` are never used
[INFO] [stdout]    --> src/ptrhash.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Builder {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn build<K, I>(self, keys: I) -> Result<Mphf, MphError>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn build_unique_vec(self, uniq: Vec<Vec<u8>>) -> Result<Mphf, MphError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn build_unique_u64_ref_sharded_first(self, uniq: &[u64]) -> Result<Mphf, MphError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_build_ptrhash_u64` is never used
[INFO] [stdout]    --> src/ptrhash.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn try_build_ptrhash_u64(keys: &[u64], n: usize, salt: u64, gamma: f64) -> Result<Mphf, MphError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_build_ptrhash_sharded_u64` is never used
[INFO] [stdout]    --> src/ptrhash.rs:491:4
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn try_build_ptrhash_sharded_u64(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_u64_keys` is never used
[INFO] [stdout]    --> src/ptrhash.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn hash_u64_keys(keys: &[u64], salt: u64) -> Vec<KeyHash> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_bucket_order_by_counts` is never used
[INFO] [stdout]     --> src/ptrhash.rs:1185:4
[INFO] [stdout]      |
[INFO] [stdout] 1185 | fn build_bucket_order_by_counts(counts: &[u32]) -> Vec<u32> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `build_from_bytes`, `contains_bytes`, and `hash_bytes` are never used
[INFO] [stdout]   --> src/xor_filter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Xor8 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn build_from_bytes(keys: &[Vec<u8>], seed: u64) -> Result<Self, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn contains_bytes(&self, key: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn hash_bytes(&self, key: &[u8]) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]    --> src/xor_filter.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn hash_bytes(key: &[u8], seed: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `Command { std: "docker" "inspect" "eb88e5bb8f78ea5cdc1ae24d67861cc7730b3314a481c006892250fe8a6f36e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb88e5bb8f78ea5cdc1ae24d67861cc7730b3314a481c006892250fe8a6f36e9", kill_on_drop: false }`
[INFO] [stdout] eb88e5bb8f78ea5cdc1ae24d67861cc7730b3314a481c006892250fe8a6f36e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442ba35325dbb63c4437ba95eed7a3647227562ba7814bde01055a485ad837d0
[INFO] running `Command { std: "docker" "start" "-a" "442ba35325dbb63c4437ba95eed7a3647227562ba7814bde01055a485ad837d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling kira_kv_engine v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]   --> src/index.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hashbrown::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/index.rs:748:5
[INFO] [stdout]     |
[INFO] [stdout] 745 |         return Some(core_ids.iter().take(half).map(|c| c.id).collect());
[INFO] [stdout]     |         --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 748 |     Some(core_ids.iter().map(|c| c.id).collect())
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastBuildHasher` is never constructed
[INFO] [stdout]  --> src/build_hasher.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FastBuildHasher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]     --> src/index.rs:1055:4
[INFO] [stdout]      |
[INFO] [stdout] 1055 | fn hash_bytes(key: &[u8]) -> u64 {
[INFO] [stdout]      |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_u64` is never used
[INFO] [stdout]     --> src/index.rs:1069:4
[INFO] [stdout]      |
[INFO] [stdout] 1069 | fn hash_u64(key: u64) -> u64 {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kind` is never used
[INFO] [stdout]    --> src/mph_backend.rs:989:12
[INFO] [stdout]     |
[INFO] [stdout] 988 | impl BackendDispatch {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 989 |     pub fn kind(&self) -> BackendKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1324:4
[INFO] [stdout]      |
[INFO] [stdout] 1324 | fn set_bit(bits: &mut [u64], idx: usize) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_bit` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1331:4
[INFO] [stdout]      |
[INFO] [stdout] 1331 | fn test_bit(bits: &[u64], idx: usize) -> bool {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chd_slot_fast` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1354:4
[INFO] [stdout]      |
[INFO] [stdout] 1354 | fn chd_slot_fast(h23: u64, disp: u32, n: usize) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `core_shard_count` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1395:4
[INFO] [stdout]      |
[INFO] [stdout] 1395 | fn core_shard_count(cfg: &BuildConfig, buckets: usize, n: usize) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chd_slot_starts` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1447:4
[INFO] [stdout]      |
[INFO] [stdout] 1447 | fn chd_slot_starts(n: usize, shards: usize) -> Vec<u32> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prehash_unique_u64` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1554:8
[INFO] [stdout]      |
[INFO] [stdout] 1554 | pub fn prehash_unique_u64(keys: &[Vec<u8>], seed: u64) -> Option<(u64, Vec<u64>)> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prehash_unique_u64_arena` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1629:8
[INFO] [stdout]      |
[INFO] [stdout] 1629 | pub fn prehash_unique_u64_arena(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `build`, `build_unique_vec`, and `build_unique_u64_ref_sharded_first` are never used
[INFO] [stdout]    --> src/ptrhash.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Builder {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn build<K, I>(self, keys: I) -> Result<Mphf, MphError>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn build_unique_vec(self, uniq: Vec<Vec<u8>>) -> Result<Mphf, MphError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn build_unique_u64_ref_sharded_first(self, uniq: &[u64]) -> Result<Mphf, MphError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_build_ptrhash_u64` is never used
[INFO] [stdout]    --> src/ptrhash.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn try_build_ptrhash_u64(keys: &[u64], n: usize, salt: u64, gamma: f64) -> Result<Mphf, MphError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_build_ptrhash_sharded_u64` is never used
[INFO] [stdout]    --> src/ptrhash.rs:491:4
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn try_build_ptrhash_sharded_u64(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_u64_keys` is never used
[INFO] [stdout]    --> src/ptrhash.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn hash_u64_keys(keys: &[u64], salt: u64) -> Vec<KeyHash> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_bucket_order_by_counts` is never used
[INFO] [stdout]     --> src/ptrhash.rs:1185:4
[INFO] [stdout]      |
[INFO] [stdout] 1185 | fn build_bucket_order_by_counts(counts: &[u32]) -> Vec<u32> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `build_from_bytes`, `contains_bytes`, and `hash_bytes` are never used
[INFO] [stdout]   --> src/xor_filter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Xor8 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn build_from_bytes(keys: &[Vec<u8>], seed: u64) -> Result<Self, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn contains_bytes(&self, key: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn hash_bytes(&self, key: &[u8]) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]    --> src/xor_filter.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn hash_bytes(key: &[u8], seed: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashMap`
[INFO] [stdout]   --> src/index.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hashbrown::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARED_PREFIX_SHARE_PCT` is never used
[INFO] [stdout]   --> examples/ptrhash_bench.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const SHARED_PREFIX_SHARE_PCT: usize = 20;
[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 `is_hit` is never read
[INFO] [stdout]   --> examples/ptrhash_bench.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct QueryBytes {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 31 |     key: Vec<u8>,
[INFO] [stdout] 32 |     is_hit: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueryBytes` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cold_ns` and `hit_rate` are never read
[INFO] [stdout]   --> examples/ptrhash_bench.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct WorkloadMetrics {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 37 |     cold_ns: f64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 38 |     warm_ns: f64,
[INFO] [stdout] 39 |     hit_rate: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkloadMetrics` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueryU64` is never constructed
[INFO] [stdout]   --> examples/million_build.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct QueryU64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `measure_bytes_queries` is never used
[INFO] [stdout]    --> examples/million_build.rs:336:4
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn measure_bytes_queries<F>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `measure_u64_queries` is never used
[INFO] [stdout]    --> examples/million_build.rs:443:4
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn measure_u64_queries<F>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_hits_u64` is never used
[INFO] [stdout]    --> examples/million_build.rs:479:4
[INFO] [stdout]     |
[INFO] [stdout] 479 | fn count_hits_u64(queries: &[QueryU64]) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_positive_queries_u64` is never used
[INFO] [stdout]    --> examples/million_build.rs:493:4
[INFO] [stdout]     |
[INFO] [stdout] 493 | fn make_positive_queries_u64(keys: &[u64]) -> Vec<QueryU64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_negative_queries_u64` is never used
[INFO] [stdout]    --> examples/million_build.rs:531:4
[INFO] [stdout]     |
[INFO] [stdout] 531 | fn make_negative_queries_u64(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_zipfian_queries_u64` is never used
[INFO] [stdout]    --> examples/million_build.rs:584:4
[INFO] [stdout]     |
[INFO] [stdout] 584 | fn make_zipfian_queries_u64(keys: &[u64], total: usize, rng: &mut StdRng) -> Vec<QueryU64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_random_strings` is never used
[INFO] [stdout]    --> examples/million_build.rs:608:4
[INFO] [stdout]     |
[INFO] [stdout] 608 | fn gen_random_strings(n: usize, seed: u64) -> Vec<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_shared_prefix_strings` is never used
[INFO] [stdout]    --> examples/million_build.rs:618:4
[INFO] [stdout]     |
[INFO] [stdout] 618 | fn gen_shared_prefix_strings(n: usize, seed: u64) -> Vec<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/index.rs:748:5
[INFO] [stdout]     |
[INFO] [stdout] 745 |         return Some(core_ids.iter().take(half).map(|c| c.id).collect());
[INFO] [stdout]     |         --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 748 |     Some(core_ids.iter().map(|c| c.id).collect())
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastBuildHasher` is never constructed
[INFO] [stdout]  --> src/build_hasher.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FastBuildHasher {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]     --> src/index.rs:1055:4
[INFO] [stdout]      |
[INFO] [stdout] 1055 | fn hash_bytes(key: &[u8]) -> u64 {
[INFO] [stdout]      |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_u64` is never used
[INFO] [stdout]     --> src/index.rs:1069:4
[INFO] [stdout]      |
[INFO] [stdout] 1069 | fn hash_u64(key: u64) -> u64 {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kind` is never used
[INFO] [stdout]    --> src/mph_backend.rs:989:12
[INFO] [stdout]     |
[INFO] [stdout] 988 | impl BackendDispatch {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 989 |     pub fn kind(&self) -> BackendKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bit` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1324:4
[INFO] [stdout]      |
[INFO] [stdout] 1324 | fn set_bit(bits: &mut [u64], idx: usize) {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_bit` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1331:4
[INFO] [stdout]      |
[INFO] [stdout] 1331 | fn test_bit(bits: &[u64], idx: usize) -> bool {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chd_slot_fast` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1354:4
[INFO] [stdout]      |
[INFO] [stdout] 1354 | fn chd_slot_fast(h23: u64, disp: u32, n: usize) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `core_shard_count` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1395:4
[INFO] [stdout]      |
[INFO] [stdout] 1395 | fn core_shard_count(cfg: &BuildConfig, buckets: usize, n: usize) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chd_slot_starts` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1447:4
[INFO] [stdout]      |
[INFO] [stdout] 1447 | fn chd_slot_starts(n: usize, shards: usize) -> Vec<u32> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prehash_unique_u64` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1554:8
[INFO] [stdout]      |
[INFO] [stdout] 1554 | pub fn prehash_unique_u64(keys: &[Vec<u8>], seed: u64) -> Option<(u64, Vec<u64>)> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prehash_unique_u64_arena` is never used
[INFO] [stdout]     --> src/mph_backend.rs:1629:8
[INFO] [stdout]      |
[INFO] [stdout] 1629 | pub fn prehash_unique_u64_arena(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `build`, `build_unique_vec`, and `build_unique_u64_ref_sharded_first` are never used
[INFO] [stdout]    --> src/ptrhash.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Builder {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn build<K, I>(self, keys: I) -> Result<Mphf, MphError>
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn build_unique_vec(self, uniq: Vec<Vec<u8>>) -> Result<Mphf, MphError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn build_unique_u64_ref_sharded_first(self, uniq: &[u64]) -> Result<Mphf, MphError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_build_ptrhash_u64` is never used
[INFO] [stdout]    --> src/ptrhash.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn try_build_ptrhash_u64(keys: &[u64], n: usize, salt: u64, gamma: f64) -> Result<Mphf, MphError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_build_ptrhash_sharded_u64` is never used
[INFO] [stdout]    --> src/ptrhash.rs:491:4
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn try_build_ptrhash_sharded_u64(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_u64_keys` is never used
[INFO] [stdout]    --> src/ptrhash.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn hash_u64_keys(keys: &[u64], salt: u64) -> Vec<KeyHash> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_bucket_order_by_counts` is never used
[INFO] [stdout]     --> src/ptrhash.rs:1185:4
[INFO] [stdout]      |
[INFO] [stdout] 1185 | fn build_bucket_order_by_counts(counts: &[u32]) -> Vec<u32> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `build_from_bytes`, `contains_bytes`, and `hash_bytes` are never used
[INFO] [stdout]   --> src/xor_filter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Xor8 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn build_from_bytes(keys: &[Vec<u8>], seed: u64) -> Result<Self, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn contains_bytes(&self, key: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn hash_bytes(&self, key: &[u8]) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]    --> src/xor_filter.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn hash_bytes(key: &[u8], seed: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "442ba35325dbb63c4437ba95eed7a3647227562ba7814bde01055a485ad837d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442ba35325dbb63c4437ba95eed7a3647227562ba7814bde01055a485ad837d0", kill_on_drop: false }`
[INFO] [stdout] 442ba35325dbb63c4437ba95eed7a3647227562ba7814bde01055a485ad837d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87456ed15c70a9b555289755ec9b0a3cf6c90bf04861e021281f7b6c1334e34b
[INFO] running `Command { std: "docker" "start" "-a" "87456ed15c70a9b555289755ec9b0a3cf6c90bf04861e021281f7b6c1334e34b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]   --> src/index.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hashbrown::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/index.rs:748:5
[INFO] [stderr]     |
[INFO] [stderr] 745 |         return Some(core_ids.iter().take(half).map(|c| c.id).collect());
[INFO] [stderr]     |         --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 748 |     Some(core_ids.iter().map(|c| c.id).collect())
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FastBuildHasher` is never constructed
[INFO] [stderr]  --> src/build_hasher.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct FastBuildHasher {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_bytes` is never used
[INFO] [stderr]     --> src/index.rs:1055:4
[INFO] [stderr]      |
[INFO] [stderr] 1055 | fn hash_bytes(key: &[u8]) -> u64 {
[INFO] [stderr]      |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_u64` is never used
[INFO] [stderr]     --> src/index.rs:1069:4
[INFO] [stderr]      |
[INFO] [stderr] 1069 | fn hash_u64(key: u64) -> u64 {
[INFO] [stderr]      |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `kind` is never used
[INFO] [stderr]    --> src/mph_backend.rs:989:12
[INFO] [stderr]     |
[INFO] [stderr] 988 | impl BackendDispatch {
[INFO] [stderr]     | -------------------- method in this implementation
[INFO] [stderr] 989 |     pub fn kind(&self) -> BackendKind {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_bit` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1324:4
[INFO] [stderr]      |
[INFO] [stderr] 1324 | fn set_bit(bits: &mut [u64], idx: usize) {
[INFO] [stderr]      |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_bit` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1331:4
[INFO] [stderr]      |
[INFO] [stderr] 1331 | fn test_bit(bits: &[u64], idx: usize) -> bool {
[INFO] [stderr]      |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `chd_slot_fast` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1354:4
[INFO] [stderr]      |
[INFO] [stderr] 1354 | fn chd_slot_fast(h23: u64, disp: u32, n: usize) -> usize {
[INFO] [stderr]      |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `core_shard_count` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1395:4
[INFO] [stderr]      |
[INFO] [stderr] 1395 | fn core_shard_count(cfg: &BuildConfig, buckets: usize, n: usize) -> usize {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `chd_slot_starts` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1447:4
[INFO] [stderr]      |
[INFO] [stderr] 1447 | fn chd_slot_starts(n: usize, shards: usize) -> Vec<u32> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `prehash_unique_u64` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1554:8
[INFO] [stderr]      |
[INFO] [stderr] 1554 | pub fn prehash_unique_u64(keys: &[Vec<u8>], seed: u64) -> Option<(u64, Vec<u64>)> {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `prehash_unique_u64_arena` is never used
[INFO] [stderr]     --> src/mph_backend.rs:1629:8
[INFO] [stderr]      |
[INFO] [stderr] 1629 | pub fn prehash_unique_u64_arena(
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `build`, `build_unique_vec`, and `build_unique_u64_ref_sharded_first` are never used
[INFO] [stderr]    --> src/ptrhash.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | impl Builder {
[INFO] [stderr]     | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 133 |     pub fn build<K, I>(self, keys: I) -> Result<Mphf, MphError>
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 152 |     pub fn build_unique_vec(self, uniq: Vec<Vec<u8>>) -> Result<Mphf, MphError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 239 |     pub fn build_unique_u64_ref_sharded_first(self, uniq: &[u64]) -> Result<Mphf, MphError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `try_build_ptrhash_u64` is never used
[INFO] [stderr]    --> src/ptrhash.rs:331:4
[INFO] [stderr]     |
[INFO] [stderr] 331 | fn try_build_ptrhash_u64(keys: &[u64], n: usize, salt: u64, gamma: f64) -> Result<Mphf, MphError> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `try_build_ptrhash_sharded_u64` is never used
[INFO] [stderr]    --> src/ptrhash.rs:491:4
[INFO] [stderr]     |
[INFO] [stderr] 491 | fn try_build_ptrhash_sharded_u64(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_u64_keys` is never used
[INFO] [stderr]    --> src/ptrhash.rs:640:4
[INFO] [stderr]     |
[INFO] [stderr] 640 | fn hash_u64_keys(keys: &[u64], salt: u64) -> Vec<KeyHash> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_bucket_order_by_counts` is never used
[INFO] [stderr]     --> src/ptrhash.rs:1185:4
[INFO] [stderr]      |
[INFO] [stderr] 1185 | fn build_bucket_order_by_counts(counts: &[u32]) -> Vec<u32> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `build_from_bytes`, `contains_bytes`, and `hash_bytes` are never used
[INFO] [stderr]   --> src/xor_filter.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Xor8 {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn build_from_bytes(keys: &[Vec<u8>], seed: u64) -> Result<Self, ()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn contains_bytes(&self, key: &[u8]) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn hash_bytes(&self, key: &[u8]) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_bytes` is never used
[INFO] [stderr]    --> src/xor_filter.rs:136:4
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn hash_bytes(key: &[u8], seed: u64) -> u64 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kira_kv_engine` (lib) generated 20 warnings (run `cargo fix --lib -p kira_kv_engine` to apply 1 suggestion)
[INFO] [stderr] warning: `kira_kv_engine` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr] warning: struct `QueryU64` is never constructed
[INFO] [stderr]   --> examples/million_build.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct QueryU64 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `measure_bytes_queries` is never used
[INFO] [stderr]    --> examples/million_build.rs:336:4
[INFO] [stderr]     |
[INFO] [stderr] 336 | fn measure_bytes_queries<F>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `measure_u64_queries` is never used
[INFO] [stderr]    --> examples/million_build.rs:443:4
[INFO] [stderr]     |
[INFO] [stderr] 443 | fn measure_u64_queries<F>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_hits_u64` is never used
[INFO] [stderr]    --> examples/million_build.rs:479:4
[INFO] [stderr]     |
[INFO] [stderr] 479 | fn count_hits_u64(queries: &[QueryU64]) -> (usize, usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_positive_queries_u64` is never used
[INFO] [stderr]    --> examples/million_build.rs:493:4
[INFO] [stderr]     |
[INFO] [stderr] 493 | fn make_positive_queries_u64(keys: &[u64]) -> Vec<QueryU64> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_negative_queries_u64` is never used
[INFO] [stderr]    --> examples/million_build.rs:531:4
[INFO] [stderr]     |
[INFO] [stderr] 531 | fn make_negative_queries_u64(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_zipfian_queries_u64` is never used
[INFO] [stderr]    --> examples/million_build.rs:584:4
[INFO] [stderr]     |
[INFO] [stderr] 584 | fn make_zipfian_queries_u64(keys: &[u64], total: usize, rng: &mut StdRng) -> Vec<QueryU64> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gen_random_strings` is never used
[INFO] [stderr]    --> examples/million_build.rs:608:4
[INFO] [stderr]     |
[INFO] [stderr] 608 | fn gen_random_strings(n: usize, seed: u64) -> Vec<Vec<u8>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gen_shared_prefix_strings` is never used
[INFO] [stderr]    --> examples/million_build.rs:618:4
[INFO] [stderr]     |
[INFO] [stderr] 618 | fn gen_shared_prefix_strings(n: usize, seed: u64) -> Vec<Vec<u8>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SHARED_PREFIX_SHARE_PCT` is never used
[INFO] [stderr]   --> examples/ptrhash_bench.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const SHARED_PREFIX_SHARE_PCT: usize = 20;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_hit` is never read
[INFO] [stderr]   --> examples/ptrhash_bench.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct QueryBytes {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] 31 |     key: Vec<u8>,
[INFO] [stderr] 32 |     is_hit: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `QueryBytes` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `cold_ns` and `hit_rate` are never read
[INFO] [stderr]   --> examples/ptrhash_bench.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct WorkloadMetrics {
[INFO] [stderr]    |        --------------- fields in this struct
[INFO] [stderr] 37 |     cold_ns: f64,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 38 |     warm_ns: f64,
[INFO] [stderr] 39 |     hit_rate: f64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WorkloadMetrics` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `kira_kv_engine` (example "million_build") generated 9 warnings
[INFO] [stderr] warning: `kira_kv_engine` (example "ptrhash_bench") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kira_kv_engine-3d8025eae53076d8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simd_hash::x86_64::tests::avx2_matches_scalar_mix64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kira_kv_engine
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87456ed15c70a9b555289755ec9b0a3cf6c90bf04861e021281f7b6c1334e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87456ed15c70a9b555289755ec9b0a3cf6c90bf04861e021281f7b6c1334e34b", kill_on_drop: false }`
[INFO] [stdout] 87456ed15c70a9b555289755ec9b0a3cf6c90bf04861e021281f7b6c1334e34b
