[INFO] cloning repository https://github.com/mateusvmv/hnsw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mateusvmv/hnsw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateusvmv%2Fhnsw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateusvmv%2Fhnsw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed0ab9463f0342cc65b5ed9fe5b250fbf0367007
[INFO] testing mateusvmv/hnsw against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateusvmv%2Fhnsw" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mateusvmv/hnsw
[INFO] finished tweaking git repo https://github.com/mateusvmv/hnsw
[INFO] tweaked toml for git repo https://github.com/mateusvmv/hnsw written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mateusvmv/hnsw on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mateusvmv/hnsw 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" "+beta-2026-04-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b4bb15e2908a1a7b0165875a2b67856d2b6165d5f479cbb55416d5ea3d753a
[INFO] running `Command { std: "docker" "start" "-a" "87b4bb15e2908a1a7b0165875a2b67856d2b6165d5f479cbb55416d5ea3d753a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b4bb15e2908a1a7b0165875a2b67856d2b6165d5f479cbb55416d5ea3d753a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b4bb15e2908a1a7b0165875a2b67856d2b6165d5f479cbb55416d5ea3d753a", kill_on_drop: false }`
[INFO] [stdout] 87b4bb15e2908a1a7b0165875a2b67856d2b6165d5f479cbb55416d5ea3d753a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d01855a7747d297808fd657066d733297a65d50076487b114595a73b8e05b99
[INFO] running `Command { std: "docker" "start" "-a" "5d01855a7747d297808fd657066d733297a65d50076487b114595a73b8e05b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[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 hnsw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &'s mut self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 91 |     ) -> Vec<(&str, usize)> {
[INFO] [stdout]    |               ^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'s`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     ) -> Vec<(&'s str, usize)> {
[INFO] [stdout]    |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stdout]     |                           ----------------------------------------------- casting happened here
[INFO] [stdout] 136 |                 &mut *ptr
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stdout]     |                           ----------------------------------------------- casting happened here
[INFO] [stdout] 151 |                 &mut *ptr
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "5d01855a7747d297808fd657066d733297a65d50076487b114595a73b8e05b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d01855a7747d297808fd657066d733297a65d50076487b114595a73b8e05b99", kill_on_drop: false }`
[INFO] [stdout] 5d01855a7747d297808fd657066d733297a65d50076487b114595a73b8e05b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c9253ec90b6f56819626eaca1dac6f086115c13bfb6d75c90213a8b9ba26700
[INFO] running `Command { std: "docker" "start" "-a" "9c9253ec90b6f56819626eaca1dac6f086115c13bfb6d75c90213a8b9ba26700", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &'s mut self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 91 |     ) -> Vec<(&str, usize)> {
[INFO] [stdout]    |               ^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'s`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     ) -> Vec<(&'s str, usize)> {
[INFO] [stdout]    |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hnsw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stdout]     |                           ----------------------------------------------- casting happened here
[INFO] [stdout] 136 |                 &mut *ptr
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stdout]     |                           ----------------------------------------------- casting happened here
[INFO] [stdout] 151 |                 &mut *ptr
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &'s mut self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 91 |     ) -> Vec<(&str, usize)> {
[INFO] [stdout]    |               ^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'s`
[INFO] [stdout]    |
[INFO] [stdout] 91 |     ) -> Vec<(&'s str, usize)> {
[INFO] [stdout]    |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stdout]     |                           ----------------------------------------------- casting happened here
[INFO] [stdout] 136 |                 &mut *ptr
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stdout]     |                           ----------------------------------------------- casting happened here
[INFO] [stdout] 151 |                 &mut *ptr
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9c9253ec90b6f56819626eaca1dac6f086115c13bfb6d75c90213a8b9ba26700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9253ec90b6f56819626eaca1dac6f086115c13bfb6d75c90213a8b9ba26700", kill_on_drop: false }`
[INFO] [stdout] 9c9253ec90b6f56819626eaca1dac6f086115c13bfb6d75c90213a8b9ba26700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ee0e7647be7f151934418778c281708a4ddf96afdeef809e79cf0ceeeb87c52
[INFO] running `Command { std: "docker" "start" "-a" "9ee0e7647be7f151934418778c281708a4ddf96afdeef809e79cf0ceeeb87c52", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 87 |         &'s mut self,
[INFO] [stderr]    |          -- the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 91 |     ) -> Vec<(&str, usize)> {
[INFO] [stderr]    |               ^^^^ the same lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'s`
[INFO] [stderr]    |
[INFO] [stderr] 91 |     ) -> Vec<(&'s str, usize)> {
[INFO] [stderr]    |                ++
[INFO] [stderr] 
[INFO] [stderr] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stderr]    --> src/lib.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stderr]     |                           ----------------------------------------------- casting happened here
[INFO] [stderr] 136 |                 &mut *ptr
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stderr]     = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stderr]    --> src/lib.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 let ptr = (&self.layers[i]) as *const Layer as *mut Layer;
[INFO] [stderr]     |                           ----------------------------------------------- casting happened here
[INFO] [stderr] 151 |                 &mut *ptr
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `hnsw` (lib) generated 3 warnings (run `cargo fix --lib -p hnsw` to apply 1 suggestion)
[INFO] [stderr] warning: `hnsw` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hnsw-b755b538d69c049e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::it ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hnsw
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ee0e7647be7f151934418778c281708a4ddf96afdeef809e79cf0ceeeb87c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee0e7647be7f151934418778c281708a4ddf96afdeef809e79cf0ceeeb87c52", kill_on_drop: false }`
[INFO] [stdout] 9ee0e7647be7f151934418778c281708a4ddf96afdeef809e79cf0ceeeb87c52
