[INFO] fetching crate tabu 0.1.1...
[INFO] testing tabu-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tabu 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tabu 0.1.1
[INFO] finished tweaking crates.io crate tabu 0.1.1
[INFO] tweaked toml for crates.io crate tabu 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tabu 0.1.1 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 16 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.16.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding ordered-float v3.9.2 (available: v5.1.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e1b10f6255ed9f70f41fb15b6de5b7e06d80ad37116582ece90c5b1621c00f5a
[INFO] running `Command { std: "docker" "start" "-a" "e1b10f6255ed9f70f41fb15b6de5b7e06d80ad37116582ece90c5b1621c00f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b10f6255ed9f70f41fb15b6de5b7e06d80ad37116582ece90c5b1621c00f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b10f6255ed9f70f41fb15b6de5b7e06d80ad37116582ece90c5b1621c00f5a", kill_on_drop: false }`
[INFO] [stdout] e1b10f6255ed9f70f41fb15b6de5b7e06d80ad37116582ece90c5b1621c00f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df8e4c4b42a7e4f56b84dc95886fb557e3a7378c35118bbf32935040daaf0842
[INFO] running `Command { std: "docker" "start" "-a" "df8e4c4b42a7e4f56b84dc95886fb557e3a7378c35118bbf32935040daaf0842", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling tabu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "df8e4c4b42a7e4f56b84dc95886fb557e3a7378c35118bbf32935040daaf0842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8e4c4b42a7e4f56b84dc95886fb557e3a7378c35118bbf32935040daaf0842", kill_on_drop: false }`
[INFO] [stdout] df8e4c4b42a7e4f56b84dc95886fb557e3a7378c35118bbf32935040daaf0842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 10e91004dfc9989cec786648261e1510783c423ba73c0d09dfb7a326652a2d9a
[INFO] running `Command { std: "docker" "start" "-a" "10e91004dfc9989cec786648261e1510783c423ba73c0d09dfb7a326652a2d9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "10e91004dfc9989cec786648261e1510783c423ba73c0d09dfb7a326652a2d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e91004dfc9989cec786648261e1510783c423ba73c0d09dfb7a326652a2d9a", kill_on_drop: false }`
[INFO] [stdout] 10e91004dfc9989cec786648261e1510783c423ba73c0d09dfb7a326652a2d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5411a7b03c5d506d53346d1a5c22feefc43d9417b6b73d1230c0b6ff95d49fbd
[INFO] running `Command { std: "docker" "start" "-a" "5411a7b03c5d506d53346d1a5c22feefc43d9417b6b73d1230c0b6ff95d49fbd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tabu-3b6b98eda0f305a4)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test clustering::diameter::tests::test_diameter_of_float_vector_with_quadratic_cost ... ok
[INFO] [stdout] test clustering::diameter::tests::test_diameter_of_integer_vector_with_abs_cost ... ok
[INFO] [stdout] test search::tabu::tests::test_tabu_search_cross_barier ... ok
[INFO] [stdout] test search::tabu::tests::test_tabu_search_linear ... ok
[INFO] [stdout] test search::tabu::tests::test_tabu_search_quadratic ... ok
[INFO] [stdout] test clustering::cluster_tabu::tests::test_clustering_with_diameter_cost ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tabu
[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" "5411a7b03c5d506d53346d1a5c22feefc43d9417b6b73d1230c0b6ff95d49fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5411a7b03c5d506d53346d1a5c22feefc43d9417b6b73d1230c0b6ff95d49fbd", kill_on_drop: false }`
[INFO] [stdout] 5411a7b03c5d506d53346d1a5c22feefc43d9417b6b73d1230c0b6ff95d49fbd