[INFO] fetching crate tinysearch-cuckoofilter 0.4.1...
[INFO] testing tinysearch-cuckoofilter-0.4.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tinysearch-cuckoofilter 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tinysearch-cuckoofilter 0.4.1
[INFO] finished tweaking crates.io crate tinysearch-cuckoofilter 0.4.1
[INFO] tweaked toml for crates.io crate tinysearch-cuckoofilter 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tinysearch-cuckoofilter 0.4.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding clippy v0.0.77 (available: v0.0.302)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 948fad18e4eadb2553bdb11b75d9a34dbc552d5acd3add9c4c63c78ba34743aa
[INFO] running `Command { std: "docker" "start" "-a" "948fad18e4eadb2553bdb11b75d9a34dbc552d5acd3add9c4c63c78ba34743aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948fad18e4eadb2553bdb11b75d9a34dbc552d5acd3add9c4c63c78ba34743aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948fad18e4eadb2553bdb11b75d9a34dbc552d5acd3add9c4c63c78ba34743aa", kill_on_drop: false }`
[INFO] [stdout] 948fad18e4eadb2553bdb11b75d9a34dbc552d5acd3add9c4c63c78ba34743aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f072d17cbb3900e8149af66c8d707e0cb5d11ad4bce9e8765185640e17b170dc
[INFO] running `Command { std: "docker" "start" "-a" "f072d17cbb3900e8149af66c8d707e0cb5d11ad4bce9e8765185640e17b170dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinysearch-cuckoofilter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bucket.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stdout] 90 +             .flat_map(|f| f.data.iter())
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stdout] 90 +             .flat_map(|f| IntoIterator::into_iter(f.data))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "f072d17cbb3900e8149af66c8d707e0cb5d11ad4bce9e8765185640e17b170dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f072d17cbb3900e8149af66c8d707e0cb5d11ad4bce9e8765185640e17b170dc", kill_on_drop: false }`
[INFO] [stdout] f072d17cbb3900e8149af66c8d707e0cb5d11ad4bce9e8765185640e17b170dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d1e8f11251dab8ce1f2710008ca9f4d7099f5616cf83b06e76419d474ae5ad
[INFO] running `Command { std: "docker" "start" "-a" "a6d1e8f11251dab8ce1f2710008ca9f4d7099f5616cf83b06e76419d474ae5ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinysearch-cuckoofilter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bucket.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stdout] 90 +             .flat_map(|f| f.data.iter())
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stdout] 90 +             .flat_map(|f| IntoIterator::into_iter(f.data))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bucket.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stdout] 90 +             .flat_map(|f| f.data.iter())
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stdout] 90 +             .flat_map(|f| IntoIterator::into_iter(f.data))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a6d1e8f11251dab8ce1f2710008ca9f4d7099f5616cf83b06e76419d474ae5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d1e8f11251dab8ce1f2710008ca9f4d7099f5616cf83b06e76419d474ae5ad", kill_on_drop: false }`
[INFO] [stdout] a6d1e8f11251dab8ce1f2710008ca9f4d7099f5616cf83b06e76419d474ae5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9746f5e07466064a63ef31f6827bd482834bc5c393afac7c1b96c8860afb34fe
[INFO] running `Command { std: "docker" "start" "-a" "9746f5e07466064a63ef31f6827bd482834bc5c393afac7c1b96c8860afb34fe", kill_on_drop: false }`
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stderr]   --> src/bucket.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stderr]    |                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stderr] 90 +             .flat_map(|f| f.data.iter())
[INFO] [stderr]    |
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 90 -             .flat_map(|f| f.data.into_iter())
[INFO] [stderr] 90 +             .flat_map(|f| IntoIterator::into_iter(f.data))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `tinysearch-cuckoofilter` (lib) generated 1 warning (run `cargo fix --lib -p tinysearch-cuckoofilter` to apply 1 suggestion)
[INFO] [stderr] warning: `tinysearch-cuckoofilter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinysearch_cuckoofilter-297c2ce989b629cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/false_positive_rate.rs (/opt/rustwide/target/debug/deps/false_positive_rate-ae4cd10395812e05)
[INFO] [stdout] test util::test_fp_and_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test false_positive_rate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.71s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/interop.rs (/opt/rustwide/target/debug/deps/interop-e73834acdbe30565)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test serialization ... ok
[INFO] [stdout] test interoperability ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.26s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tinysearch_cuckoofilter
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - CuckooFilter (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9746f5e07466064a63ef31f6827bd482834bc5c393afac7c1b96c8860afb34fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9746f5e07466064a63ef31f6827bd482834bc5c393afac7c1b96c8860afb34fe", kill_on_drop: false }`
[INFO] [stdout] 9746f5e07466064a63ef31f6827bd482834bc5c393afac7c1b96c8860afb34fe