[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] testing Darktrop/hnsw-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2Fhnsw-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darktrop/hnsw-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-13/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-13/source/hnsw_rs/Cargo.toml: unused manifest key: build
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] ab15737bf6fc68681e34055bab8ff65dd12ad03421260086ad7f75a1e48e0bb8
[INFO] running `Command { std: "docker" "start" "-a" "ab15737bf6fc68681e34055bab8ff65dd12ad03421260086ad7f75a1e48e0bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab15737bf6fc68681e34055bab8ff65dd12ad03421260086ad7f75a1e48e0bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab15737bf6fc68681e34055bab8ff65dd12ad03421260086ad7f75a1e48e0bb8", kill_on_drop: false }`
[INFO] [stdout] ab15737bf6fc68681e34055bab8ff65dd12ad03421260086ad7f75a1e48e0bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] ff0b8df707f888e08b3b71f246d2f6a498a968dae61684048a63398f0f166754
[INFO] running `Command { std: "docker" "start" "-a" "ff0b8df707f888e08b3b71f246d2f6a498a968dae61684048a63398f0f166754", 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 memchr v2.2.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling knn v0.1.0 (/opt/rustwide/workdir/knn)
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling env_logger v0.6.1
[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]    |                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 80 -         user_vector /= (count as f32);
[INFO] [stdout] 80 +         user_vector /= count as f32;
[INFO] [stdout]    | 
[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] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> hnsw_rs/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hnsw_rs` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ff0b8df707f888e08b3b71f246d2f6a498a968dae61684048a63398f0f166754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0b8df707f888e08b3b71f246d2f6a498a968dae61684048a63398f0f166754", kill_on_drop: false }`
[INFO] [stdout] ff0b8df707f888e08b3b71f246d2f6a498a968dae61684048a63398f0f166754