[INFO] cloning repository https://github.com/klx01/rust_ivf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klx01/rust_ivf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Frust_ivf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Frust_ivf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dc9332a5bdcb5912be88fddd65555468585211a
[INFO] checking klx01/rust_ivf against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklx01%2Frust_ivf" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klx01/rust_ivf on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/klx01/rust_ivf
[INFO] finished tweaking git repo https://github.com/klx01/rust_ivf
[INFO] tweaked toml for git repo https://github.com/klx01/rust_ivf written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/klx01/rust_ivf 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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_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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 303edaa7b4f9450ec397661c2b2404b9fc40b89b2bfdfd3433a5335885783d15
[INFO] running `Command { std: "docker" "start" "-a" "303edaa7b4f9450ec397661c2b2404b9fc40b89b2bfdfd3433a5335885783d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "303edaa7b4f9450ec397661c2b2404b9fc40b89b2bfdfd3433a5335885783d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303edaa7b4f9450ec397661c2b2404b9fc40b89b2bfdfd3433a5335885783d15", kill_on_drop: false }`
[INFO] [stdout] 303edaa7b4f9450ec397661c2b2404b9fc40b89b2bfdfd3433a5335885783d15
[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=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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87455699b5ff8a83ea7e2f544802a3514b6532a6d552562b5a5f7cf8d601d8f7
[INFO] running `Command { std: "docker" "start" "-a" "87455699b5ff8a83ea7e2f544802a3514b6532a6d552562b5a5f7cf8d601d8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking rust_ivf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random` and `rng`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{random, rng, Rng};
[INFO] [stdout]   |            ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rng`
[INFO] [stdout]    --> benches/calc_distance.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     use rand::{rng, SeedableRng};
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random` and `rng`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{random, rng, Rng};
[INFO] [stdout]   |            ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rng`
[INFO] [stdout]   --> benches/kmeans.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use rand::{rng, SeedableRng};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vectors::*`
[INFO] [stdout]   --> benches/kmeans.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use crate::vectors::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/kmeans.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let duration = SystemTime::now().duration_since(start);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]    --> src/kmeans.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let duration = SystemTime::now().duration_since(start);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> benches/calc_distance.rs:267:38
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn test_distance_implementations(b: &mut Bencher) {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_cluster` is never used
[INFO] [stdout]   --> benches/../src/vectors.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl VectorsList {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn get_cluster(&self, start_vector_index: usize, length: usize) -> impl Iterator<Item=&[f32]> + use<'_> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_vec_of_slices` is never used
[INFO] [stdout]   --> src/vectors.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl VectorsList {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn as_vec_of_slices(&self) -> Vec<&[f32]> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitKmeansPP` is never constructed
[INFO] [stdout]   --> src/kmeans.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct InitKmeansPP<R: Rng> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kmeans_pp_pick_indices` is never used
[INFO] [stdout]    --> src/kmeans.rs:297:15
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub(crate) fn kmeans_pp_pick_indices(vectors: &VectorsList, select_count: usize, rng: &mut impl Rng) -> Vec<usize> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_distances` is never used
[INFO] [stdout]    --> src/kmeans.rs:322:4
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn update_distances(vectors: &VectorsList, last_picked_vector: &[f32], min_distances: &mut [f32], cumulative: &mut [f32]){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_static` is never used
[INFO] [stdout]    --> src/kmeans.rs:382:22
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub(crate) unsafe fn make_static<'a, T>(f: Box<dyn FnOnce() -> T + Send + 'a>) -> Box<dyn FnOnce() -> T + Send + 'static> {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_div_ceil` is never used
[INFO] [stdout]    --> src/kmeans.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn int_div_ceil(n: usize, div_by: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_distances_chunk` is never used
[INFO] [stdout]    --> src/kmeans.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn update_distances_chunk(vectors: &VectorsList, last_picked_vector: &[f32], chunk: &mut [f32], chunk_no: usize, thread_chunk_size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pick_from_distribution` is never used
[INFO] [stdout]    --> src/kmeans.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn pick_from_distribution(dist: &[f32], seek: f32) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> benches/../src/kmeans.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let duration = SystemTime::now().duration_since(start);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]    --> benches/../src/kmeans.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let duration = SystemTime::now().duration_since(start);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/kmeans.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let duration = SystemTime::now().duration_since(start);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]    --> src/kmeans.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let duration = SystemTime::now().duration_since(start);
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_cluster` is never used
[INFO] [stdout]   --> benches/../src/vectors.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl VectorsList {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn get_cluster(&self, start_vector_index: usize, length: usize) -> impl Iterator<Item=&[f32]> + use<'_> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitKmeansPP` is never constructed
[INFO] [stdout]   --> benches/../src/kmeans.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct InitKmeansPP<R: Rng> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitRandom` is never constructed
[INFO] [stdout]   --> benches/../src/kmeans.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct InitRandom<R: Rng> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kmeans_multi_try_multi_thread` is never used
[INFO] [stdout]   --> benches/../src/kmeans.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) fn kmeans_multi_try_multi_thread(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_static` is never used
[INFO] [stdout]    --> benches/../src/kmeans.rs:382:22
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub(crate) unsafe fn make_static<'a, T>(f: Box<dyn FnOnce() -> T + Send + 'a>) -> Box<dyn FnOnce() -> T + Send + 'static> {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_div_ceil` is never used
[INFO] [stdout]    --> benches/../src/kmeans.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn int_div_ceil(n: usize, div_by: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_distances_chunk` is never used
[INFO] [stdout]    --> benches/../src/kmeans.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn update_distances_chunk(vectors: &VectorsList, last_picked_vector: &[f32], chunk: &mut [f32], chunk_no: usize, thread_chunk_size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InitKmeansPP` is never constructed
[INFO] [stdout]   --> src/kmeans.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct InitKmeansPP<R: Rng> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_static` is never used
[INFO] [stdout]    --> src/kmeans.rs:382:22
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub(crate) unsafe fn make_static<'a, T>(f: Box<dyn FnOnce() -> T + Send + 'a>) -> Box<dyn FnOnce() -> T + Send + 'static> {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_div_ceil` is never used
[INFO] [stdout]    --> src/kmeans.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn int_div_ceil(n: usize, div_by: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_distances_chunk` is never used
[INFO] [stdout]    --> src/kmeans.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn update_distances_chunk(vectors: &VectorsList, last_picked_vector: &[f32], chunk: &mut [f32], chunk_no: usize, thread_chunk_size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "87455699b5ff8a83ea7e2f544802a3514b6532a6d552562b5a5f7cf8d601d8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87455699b5ff8a83ea7e2f544802a3514b6532a6d552562b5a5f7cf8d601d8f7", kill_on_drop: false }`
[INFO] [stdout] 87455699b5ff8a83ea7e2f544802a3514b6532a6d552562b5a5f7cf8d601d8f7