[INFO] fetching crate rbp-clustering 1.0.0...
[INFO] testing rbp-clustering-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rbp-clustering 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rbp-clustering 1.0.0
[INFO] finished tweaking crates.io crate rbp-clustering 1.0.0
[INFO] tweaked toml for crates.io crate rbp-clustering 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbp-clustering 1.0.0 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 crates.io crate rbp-clustering 1.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 767d3d74b572157b3a61d766fda29796c98ea5040804f0f51488502f6c07be51
[INFO] running `Command { std: "docker" "start" "-a" "767d3d74b572157b3a61d766fda29796c98ea5040804f0f51488502f6c07be51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767d3d74b572157b3a61d766fda29796c98ea5040804f0f51488502f6c07be51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767d3d74b572157b3a61d766fda29796c98ea5040804f0f51488502f6c07be51", kill_on_drop: false }`
[INFO] [stdout] 767d3d74b572157b3a61d766fda29796c98ea5040804f0f51488502f6c07be51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f29bccf9c7cea954eb33e63ec92a8c326e1b43984361aa076542fe5b206aa3a8
[INFO] running `Command { std: "docker" "start" "-a" "f29bccf9c7cea954eb33e63ec92a8c326e1b43984361aa076542fe5b206aa3a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rbp-core v1.0.0
[INFO] [stderr]    Compiling rbp-cards v1.0.0
[INFO] [stderr]    Compiling rbp-transport v1.0.0
[INFO] [stderr]    Compiling rbp-gameplay v1.0.0
[INFO] [stderr]    Compiling rbp-clustering v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `abstraction` is never used
[INFO] [stdout]   --> src/layer.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stdout]    | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn abstraction(&self, i: usize) -> Abstraction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup`, `metric`, and `future` are never used
[INFO] [stdout]   --> src/layer.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stdout]    | ------------------------------------------------ methods in this implementation
[INFO] [stdout] 49 |     /// Builds a lookup table mapping each isomorphism to its nearest cluster abstraction.
[INFO] [stdout] 50 |     fn lookup(&self) -> Lookup
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn metric(&self) -> Metric {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn future(&self) -> Future {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "f29bccf9c7cea954eb33e63ec92a8c326e1b43984361aa076542fe5b206aa3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29bccf9c7cea954eb33e63ec92a8c326e1b43984361aa076542fe5b206aa3a8", kill_on_drop: false }`
[INFO] [stdout] f29bccf9c7cea954eb33e63ec92a8c326e1b43984361aa076542fe5b206aa3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7aa23cdb26ddd70dea6dde998c453a575fa4e95160f76dc9f57ec26716011424
[INFO] running `Command { std: "docker" "start" "-a" "7aa23cdb26ddd70dea6dde998c453a575fa4e95160f76dc9f57ec26716011424", kill_on_drop: false }`
[INFO] [stdout] warning: method `abstraction` is never used
[INFO] [stdout]   --> src/layer.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stdout]    | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn abstraction(&self, i: usize) -> Abstraction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup`, `metric`, and `future` are never used
[INFO] [stdout]   --> src/layer.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stdout]    | ------------------------------------------------ methods in this implementation
[INFO] [stdout] 49 |     /// Builds a lookup table mapping each isomorphism to its nearest cluster abstraction.
[INFO] [stdout] 50 |     fn lookup(&self) -> Lookup
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn metric(&self) -> Metric {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn future(&self) -> Future {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rbp-clustering v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `abstraction` is never used
[INFO] [stdout]   --> src/layer.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stdout]    | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn abstraction(&self, i: usize) -> Abstraction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup`, `metric`, and `future` are never used
[INFO] [stdout]   --> src/layer.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stdout]    | ------------------------------------------------ methods in this implementation
[INFO] [stdout] 49 |     /// Builds a lookup table mapping each isomorphism to its nearest cluster abstraction.
[INFO] [stdout] 50 |     fn lookup(&self) -> Lookup
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn metric(&self) -> Metric {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn future(&self) -> Future {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "7aa23cdb26ddd70dea6dde998c453a575fa4e95160f76dc9f57ec26716011424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa23cdb26ddd70dea6dde998c453a575fa4e95160f76dc9f57ec26716011424", kill_on_drop: false }`
[INFO] [stdout] 7aa23cdb26ddd70dea6dde998c453a575fa4e95160f76dc9f57ec26716011424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a8595c1b181d4b8de88b58302e2c9e8c7a049cc850e2ba87339678739be87fc7
[INFO] running `Command { std: "docker" "start" "-a" "a8595c1b181d4b8de88b58302e2c9e8c7a049cc850e2ba87339678739be87fc7", kill_on_drop: false }`
[INFO] [stderr] warning: method `abstraction` is never used
[INFO] [stderr]   --> src/layer.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stderr]    | ------------------------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn abstraction(&self, i: usize) -> Abstraction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `lookup`, `metric`, and `future` are never used
[INFO] [stderr]   --> src/layer.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl<const K: usize, const N: usize> Layer<K, N> {
[INFO] [stderr]    | ------------------------------------------------ methods in this implementation
[INFO] [stderr] 49 |     /// Builds a lookup table mapping each isomorphism to its nearest cluster abstraction.
[INFO] [stderr] 50 |     fn lookup(&self) -> Lookup
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     fn metric(&self) -> Metric {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 92 |     fn future(&self) -> Future {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rbp-clustering` (lib) generated 2 warnings
[INFO] [stderr] warning: `rbp-clustering` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbp_clustering-12845f99f6e2d18e)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test elkan::tests::elkan_naive_equivalence ... ignored
[INFO] [stdout] test elkan::tests::elkan_rms_converges ... ignored
[INFO] [stdout] test elkan::tests::elkan_rms_decreases ... ignored
[INFO] [stdout] test metric::tests::pair_abstractions_roundtrip ... ok
[INFO] [stdout] test emd::tests::is_heuristic_emd_positive ... ok
[INFO] [stdout] test metric::tests::pair_triangular_roundtrip ... ok
[INFO] [stdout] test pair::tests::bijective_abstractions_pair ... ok
[INFO] [stdout] test emd::tests::is_heuristic_emd_zero ... ok
[INFO] [stdout] test pair::tests::bijective_pair_abstractions_symmetry ... ok
[INFO] [stdout] test pair::tests::pair_street_preserved ... ok
[INFO] [stdout] test emd::tests::is_heuristic_emd_triangle ... ok
[INFO] [stdout] test pair::tests::bijective_pair_abstractions ... ok
[INFO] [stdout] test pair::tests::merge_split_roundtrip ... ok
[INFO] [stdout] test pair::tests::split_merge_roundtrip ... ok
[INFO] [stdout] test emd::tests::is_sinkhorn_emd_positive ... ok
[INFO] [stdout] test emd::tests::is_sinkhorn_emd_zero ... ok
[INFO] [stdout] test emd::tests::is_equity_emd_zero ... ok
[INFO] [stdout] test emd::tests::is_sinkhorn_emd_triangle ... ok
[INFO] [stdout] test emd::tests::is_equity_emd_positive ... ok
[INFO] [stdout] test emd::tests::is_equity_emd_symmetric ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbp_clustering
[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" "a8595c1b181d4b8de88b58302e2c9e8c7a049cc850e2ba87339678739be87fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8595c1b181d4b8de88b58302e2c9e8c7a049cc850e2ba87339678739be87fc7", kill_on_drop: false }`
[INFO] [stdout] a8595c1b181d4b8de88b58302e2c9e8c7a049cc850e2ba87339678739be87fc7
