[INFO] cloning repository https://github.com/Darktrop/hnsw-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darktrop/hnsw-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2Fhnsw-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2Fhnsw-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37e6f41d1ee265e3f9a7371e0b246675a38802fc
[INFO] checking Darktrop/hnsw-rs against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2Fhnsw-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darktrop/hnsw-rs on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Darktrop/hnsw-rs
[INFO] finished tweaking git repo https://github.com/Darktrop/hnsw-rs
[INFO] tweaked toml for git repo https://github.com/Darktrop/hnsw-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Darktrop/hnsw-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4/source/hnsw_rs/Cargo.toml: unused manifest key: build
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded serde v1.0.91
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.91
[INFO] [stderr]   Downloaded tinytemplate v1.0.2
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded cexpr v0.3.5
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded csv v1.0.7
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded clang-sys v0.28.0
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bf76289705636d89a1822925842af9d496bc4681e68985a49b04315898d79ef
[INFO] running `Command { std: "docker" "start" "-a" "1bf76289705636d89a1822925842af9d496bc4681e68985a49b04315898d79ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf76289705636d89a1822925842af9d496bc4681e68985a49b04315898d79ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf76289705636d89a1822925842af9d496bc4681e68985a49b04315898d79ef", kill_on_drop: false }`
[INFO] [stdout] 1bf76289705636d89a1822925842af9d496bc4681e68985a49b04315898d79ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3bfd7275c7ab616e51e0f76806b40ffce2e61c42665cb47e5b1cb74782f0d60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3bfd7275c7ab616e51e0f76806b40ffce2e61c42665cb47e5b1cb74782f0d60", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/hnsw_rs/Cargo.toml: unused manifest key: build
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking knn v0.1.0 (/opt/rustwide/workdir/knn)
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling hnsw_rs v0.1.0 (/opt/rustwide/workdir/hnsw_rs)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> hnsw_rs/build.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> hnsw_rs/build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> hnsw_rs/src/knnservice.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |         user_vector /= (count as f32);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]    --> hnsw_rs/src/knnservice.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rust_hnsw_index_t` should have an upper camel case name
[INFO] [stdout]  --> hnsw_rs/src/native.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type rust_hnsw_index_t = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RustHnswIndexT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> hnsw_rs/src/knnservice.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |         user_vector /= (count as f32);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rust_hnsw_index_t` should have an upper camel case name
[INFO] [stdout]  --> hnsw_rs/src/native.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type rust_hnsw_index_t = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RustHnswIndexT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> hnsw_rs/src/knnservice.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let a = KnnService::new(Distance::Euclidean, 100, 10);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParameterizedBenchmark`
[INFO] [stdout]  --> hnsw_rs/benches/bench.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::{Criterion, ParameterizedBenchmark};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> hnsw_rs/benches/bench.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> hnsw_rs/benches/bench.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "e3bfd7275c7ab616e51e0f76806b40ffce2e61c42665cb47e5b1cb74782f0d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bfd7275c7ab616e51e0f76806b40ffce2e61c42665cb47e5b1cb74782f0d60", kill_on_drop: false }`
[INFO] [stdout] e3bfd7275c7ab616e51e0f76806b40ffce2e61c42665cb47e5b1cb74782f0d60