[INFO] cloning repository https://github.com/twardoch/uubed-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twardoch/uubed-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardoch%2Fuubed-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardoch%2Fuubed-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ef735550cb279e25d1c1bc7f512d72d505c388a
[INFO] testing twardoch/uubed-rs against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardoch%2Fuubed-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/twardoch/uubed-rs
[INFO] finished tweaking git repo https://github.com/twardoch/uubed-rs
[INFO] tweaked toml for git repo https://github.com/twardoch/uubed-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/twardoch/uubed-rs on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/twardoch/uubed-rs 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v2.0.6
[INFO] [stderr]   Downloaded quickcheck_macros v1.1.0
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[INFO] running `Command { std: "docker" "inspect" "8fbc22dc8a2c30401e22788c815f78d27b784775a63b47fe4a27cf719677cc81", kill_on_drop: false }`
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[INFO] [stdout] 8fbc22dc8a2c30401e22788c815f78d27b784775a63b47fe4a27cf719677cc81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af5dd122411265fe4544048da859751b60d26857e69849c9b43c6ba2059fab8a
[INFO] running `Command { std: "docker" "start" "-a" "af5dd122411265fe4544048da859751b60d26857e69849c9b43c6ba2059fab8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling uubed-core v1.0.10 (/opt/rustwide/workdir/rust)
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> rust/src/encoders/simhash_safe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "af5dd122411265fe4544048da859751b60d26857e69849c9b43c6ba2059fab8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5dd122411265fe4544048da859751b60d26857e69849c9b43c6ba2059fab8a", kill_on_drop: false }`
[INFO] [stdout] af5dd122411265fe4544048da859751b60d26857e69849c9b43c6ba2059fab8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad8ec4f3c9c75c18d6fe691ec3b46dbfd58ca75fb2a83dc6634113d7e918be69
[INFO] running `Command { std: "docker" "start" "-a" "ad8ec4f3c9c75c18d6fe691ec3b46dbfd58ca75fb2a83dc6634113d7e918be69", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling uubed-core v1.0.10 (/opt/rustwide/workdir/rust)
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> rust/src/encoders/simhash_safe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_arbitrary v1.4.1
[INFO] [stderr]    Compiling quickcheck_macros v1.1.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused import: `z_order_q64`
[INFO] [stdout]  --> rust/tests/buffer_operations_test.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 |     q64_encode, simhash_q64, top_k_q64_optimized, z_order_q64
[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 `ALPHABETS` is never used
[INFO] [stdout]  --> rust/examples/../src/encoders/q64.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ALPHABETS: [&[u8; 16]; 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: function `build_reverse_lookup` is never used
[INFO] [stdout]   --> rust/examples/../src/encoders/q64.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | const fn build_reverse_lookup() -> [Option<(u8, u8)>; 256] {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `REV_LOOKUP` is never used
[INFO] [stdout]   --> rust/examples/../src/encoders/q64.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | static REV_LOOKUP: [Option<(u8, u8)>; 256] = build_reverse_lookup();
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Q64Error` is never constructed
[INFO] [stdout]   --> rust/examples/../src/encoders/q64.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Q64Error {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `q64_encode` is never used
[INFO] [stdout]   --> rust/examples/../src/encoders/q64.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn q64_encode(data: &[u8]) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `q64_encode_to_buffer` is never used
[INFO] [stdout]   --> rust/examples/../src/encoders/q64.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn q64_encode_to_buffer(data: &[u8], output: &mut [u8]) -> Result<usize, Q64Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `q64_encode_to_buffer_unchecked` is never used
[INFO] [stdout]    --> rust/examples/../src/encoders/q64.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn q64_encode_to_buffer_unchecked(data: &[u8], output: &mut [u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `q64_encode_scalar` is never used
[INFO] [stdout]    --> rust/examples/../src/encoders/q64.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn q64_encode_scalar(data: &[u8], output: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `q64_decode` is never used
[INFO] [stdout]    --> rust/examples/../src/encoders/q64.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub fn q64_decode(encoded: &str) -> Result<Vec<u8>, Q64Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_char` is never used
[INFO] [stdout]    --> rust/examples/../src/encoders/q64.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn validate_char(ch: char, pos: usize) -> Result<(u8, u8), Q64Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_k_q64` is never used
[INFO] [stdout]   --> rust/examples/../src/encoders/topk.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn top_k_q64(embedding: &[u8], k: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_k_q64_optimized` is never used
[INFO] [stdout]    --> rust/examples/../src/encoders/topk_optimized.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub fn top_k_q64_optimized(embedding: &[u8], k: usize) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_k_to_buffer` is never used
[INFO] [stdout]    --> rust/examples/../src/encoders/topk_optimized.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn top_k_to_buffer(embedding: &[u8], k: usize, output: &mut [u8]) -> Result<usize, super::q64::Q64Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> rust/src/encoders/simhash_safe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.49s
[INFO] running `Command { std: "docker" "inspect" "ad8ec4f3c9c75c18d6fe691ec3b46dbfd58ca75fb2a83dc6634113d7e918be69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8ec4f3c9c75c18d6fe691ec3b46dbfd58ca75fb2a83dc6634113d7e918be69", kill_on_drop: false }`
[INFO] [stdout] ad8ec4f3c9c75c18d6fe691ec3b46dbfd58ca75fb2a83dc6634113d7e918be69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0acf884701814c2529ac6c95b666431543322979fc915ef5113882b4df1a08a
[INFO] running `Command { std: "docker" "start" "-a" "f0acf884701814c2529ac6c95b666431543322979fc915ef5113882b4df1a08a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stderr]  --> rust/src/encoders/simhash_safe.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use once_cell::sync::Lazy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `uubed-core` (lib) generated 1 warning (run `cargo fix --lib -p uubed-core` to apply 1 suggestion)
[INFO] [stderr] warning: constant `ALPHABETS` is never used
[INFO] [stderr]  --> rust/examples/../src/encoders/q64.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const ALPHABETS: [&[u8; 16]; 4] = [
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_reverse_lookup` is never used
[INFO] [stderr]   --> rust/examples/../src/encoders/q64.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | const fn build_reverse_lookup() -> [Option<(u8, u8)>; 256] {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `REV_LOOKUP` is never used
[INFO] [stderr]   --> rust/examples/../src/encoders/q64.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | static REV_LOOKUP: [Option<(u8, u8)>; 256] = build_reverse_lookup();
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Q64Error` is never constructed
[INFO] [stderr]   --> rust/examples/../src/encoders/q64.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Q64Error {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `q64_encode` is never used
[INFO] [stderr]   --> rust/examples/../src/encoders/q64.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn q64_encode(data: &[u8]) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `q64_encode_to_buffer` is never used
[INFO] [stderr]   --> rust/examples/../src/encoders/q64.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn q64_encode_to_buffer(data: &[u8], output: &mut [u8]) -> Result<usize, Q64Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `q64_encode_to_buffer_unchecked` is never used
[INFO] [stderr]    --> rust/examples/../src/encoders/q64.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn q64_encode_to_buffer_unchecked(data: &[u8], output: &mut [u8]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `q64_encode_scalar` is never used
[INFO] [stderr]    --> rust/examples/../src/encoders/q64.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn q64_encode_scalar(data: &[u8], output: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `q64_decode` is never used
[INFO] [stderr]    --> rust/examples/../src/encoders/q64.rs:197:8
[INFO] [stderr]     |
[INFO] [stderr] 197 | pub fn q64_decode(encoded: &str) -> Result<Vec<u8>, Q64Error> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `validate_char` is never used
[INFO] [stderr]    --> rust/examples/../src/encoders/q64.rs:225:4
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn validate_char(ch: char, pos: usize) -> Result<(u8, u8), Q64Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `top_k_q64` is never used
[INFO] [stderr]   --> rust/examples/../src/encoders/topk.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub fn top_k_q64(embedding: &[u8], k: usize) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `top_k_q64_optimized` is never used
[INFO] [stderr]    --> rust/examples/../src/encoders/topk_optimized.rs:179:8
[INFO] [stderr]     |
[INFO] [stderr] 179 | pub fn top_k_q64_optimized(embedding: &[u8], k: usize) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `top_k_to_buffer` is never used
[INFO] [stderr]    --> rust/examples/../src/encoders/topk_optimized.rs:198:8
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub fn top_k_to_buffer(embedding: &[u8], k: usize, output: &mut [u8]) -> Result<usize, super::q64::Q64Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `z_order_q64`
[INFO] [stderr]  --> rust/tests/buffer_operations_test.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 |     q64_encode, simhash_q64, top_k_q64_optimized, z_order_q64
[INFO] [stderr]   |                                                   ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `uubed-core` (example "topk_perf") generated 13 warnings
[INFO] [stderr] warning: `uubed-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `uubed-core` (test "buffer_operations_test") generated 1 warning (run `cargo fix --test "buffer_operations_test" -p uubed-core` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uubed_native-8217a8450bf24946)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test encoders::mq64::tests::test_mq64_roundtrip_default ... ok
[INFO] [stdout] test encoders::q64::tests::test_empty ... ok
[INFO] [stdout] test encoders::q64::tests::test_error_odd_length ... ok
[INFO] [stdout] test encoders::q64::tests::test_error_wrong_position ... ok
[INFO] [stdout] test encoders::q64::tests::test_position_safety ... ok
[INFO] [stdout] test encoders::q64::tests::test_q64_encode_to_buffer_empty ... ok
[INFO] [stdout] test encoders::q64::tests::test_q64_encode_to_buffer_too_small ... ok
[INFO] [stdout] test encoders::q64::tests::test_error_invalid_char ... ok
[INFO] [stdout] test encoders::mq64::tests::test_mq64_with_levels_explicit ... ok
[INFO] [stdout] test encoders::q64::tests::test_roundtrip ... ok
[INFO] [stdout] test encoders::q64::tests::test_zero_copy_consistency ... ok
[INFO] [stdout] test encoders::topk::tests::test_top_k_q64_length ... ok
[INFO] [stdout] test encoders::topk_optimized::tests::test_edge_cases ... ok
[INFO] [stdout] test encoders::topk::tests::test_top_k_padding ... ok
[INFO] [stdout] test encoders::topk::tests::test_top_k_empty ... ok
[INFO] [stdout] test encoders::topk_optimized::tests::test_heap_approach ... ok
[INFO] [stdout] test encoders::topk::tests::test_top_k_basic ... ok
[INFO] [stdout] test encoders::q64::tests::test_q64_encode_to_buffer ... ok
[INFO] [stdout] test encoders::topk_optimized::tests::test_optimized_matches_original ... ok
[INFO] [stdout] test encoders::zorder::tests::test_z_order_basic ... ok
[INFO] [stdout] test encoders::zorder::tests::test_z_order_empty ... ok
[INFO] [stdout] test encoders::zorder::tests::test_z_order_length ... ok
[INFO] [stdout] test error::tests::test_error_display ... ok
[INFO] [stdout] test encoders::zorder::tests::test_z_order_extended ... ok
[INFO] [stdout] test error::tests::test_validation ... ok
[INFO] [stdout] test error::tests::test_recovery ... ok
[INFO] [stdout] test parallel::tests::test_batch_processor ... ok
[INFO] [stdout] test encoders::topk::tests::test_top_k_large ... ok
[INFO] [stdout] test simd::tests::test_simd_q64_consistency ... ok
[INFO] [stdout] test simd::tests::test_simd_detection ... ok
[INFO] [stdout] test simd::tests::test_simd_topk_consistency ... ok
[INFO] [stdout] test encoders::simhash_safe::tests::test_different_embeddings ... ok
[INFO] [stdout] test encoders::topk_optimized::tests::test_parallel_optimized ... ok
[INFO] [stdout] test encoders::simhash_safe::tests::test_deterministic ... ok
[INFO] [stdout] test parallel::tests::test_parallel_q64_encode ... ok
[INFO] [stdout] test encoders::simhash_safe::tests::test_thread_safety ... ok
[INFO] [stdout] test encoders::simhash::tests::test_simhash_locality ... ok
[INFO] [stdout] test encoders::simhash::tests::test_simhash_deterministic ... ok
[INFO] [stdout] test encoders::simhash::tests::test_simhash_length ... ok
[INFO] [stdout] test encoders::simhash_safe::tests::test_concurrent_access ... ok
[INFO] [stdout] test parallel::tests::test_parallel_performance_scaling ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parallel::tests::test_parallel_performance_scaling stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parallel::tests::test_parallel_performance_scaling' (89) panicked at rust/src/parallel.rs:273:9:
[INFO] [stdout] assertion failed: time_multi <= time_single * 2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5faf63831732 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5faf63831732 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5faf63831732 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5faf63831732 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5faf6384203a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5faf6384203a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x5faf63800056 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5faf63800056 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5faf63810a79 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5faf63810a79 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5faf63810911 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5faf6377b0ce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5faf6377b0ce - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5faf63810da2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5faf63810da2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5faf63810b6a - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5faf6380bf29 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5faf637f4e7d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5faf6384960c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5faf638495d2 - core::panicking::panic::hbff2745fd4c5afec
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5faf636c604d - uubed_native::parallel::tests::test_parallel_performance_scaling::hf139d32c1d39cd29
[INFO] [stdout]                                at /opt/rustwide/workdir/rust/src/parallel.rs:273:9
[INFO] [stdout]   21:     0x5faf636c60c7 - uubed_native::parallel::tests::test_parallel_performance_scaling::{{closure}}::h81f639e2d95824cd
[INFO] [stdout]                                at /opt/rustwide/workdir/rust/src/parallel.rs:253:43
[INFO] [stdout]   22:     0x5faf636f30a6 - core::ops::function::FnOnce::call_once::h104bae8ffbd09418
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5faf6377ae8b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5faf6377ae8b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5faf6378e89a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5faf6378e89a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5faf6378e89a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5faf6378e89a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5faf6378e89a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5faf6378e89a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5faf6378e89a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5faf63768cf4 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5faf63768cf4 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5faf6376c692 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5faf6376c692 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5faf6376c692 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5faf6376c692 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5faf6376c692 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5faf6376c692 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5faf6376c692 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5faf638071bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5faf638071bf - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7c1737064aa4 - <unknown>
[INFO] [stdout]   44:     0x7c17370f1a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parallel::tests::test_parallel_performance_scaling
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 40 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f0acf884701814c2529ac6c95b666431543322979fc915ef5113882b4df1a08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0acf884701814c2529ac6c95b666431543322979fc915ef5113882b4df1a08a", kill_on_drop: false }`
[INFO] [stdout] f0acf884701814c2529ac6c95b666431543322979fc915ef5113882b4df1a08a
