[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 }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ef735550cb279e25d1c1bc7f512d72d505c388a
[INFO] checking twardoch/uubed-rs against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwardoch%2Fuubed-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/twardoch/uubed-rs on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.1.0
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9307783b17c8fa82a735e2d637385a9ffa28436273f12998ad463f91ad8debd
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[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking ciborium-io v0.2.2
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[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.5
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[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[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]     Checking arbitrary v1.4.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> rust/benches/zero_copy_bench.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     black_box(result);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     let _ = black_box(result);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> rust/benches/zero_copy_bench.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     black_box(result);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let _ = black_box(result);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> rust/benches/zero_copy_bench.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 black_box(result);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let _ = black_box(result);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> rust/benches/comparative_bench.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct TestDataset {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     description: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestDataset` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_roundtrip_correctness` is never used
[INFO] [stdout]    --> rust/benches/comparative_bench.rs:399:4
[INFO] [stdout]     |
[INFO] [stdout] 399 | fn verify_roundtrip_correctness() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.27s
[INFO] running `Command { std: "docker" "inspect" "d9307783b17c8fa82a735e2d637385a9ffa28436273f12998ad463f91ad8debd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9307783b17c8fa82a735e2d637385a9ffa28436273f12998ad463f91ad8debd", kill_on_drop: false }`
[INFO] [stdout] d9307783b17c8fa82a735e2d637385a9ffa28436273f12998ad463f91ad8debd