[INFO] fetching crate perfect-matching 0.1.2...
[INFO] testing perfect-matching-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate perfect-matching 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate perfect-matching 0.1.2
[INFO] finished tweaking crates.io crate perfect-matching 0.1.2
[INFO] tweaked toml for crates.io crate perfect-matching 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perfect-matching 0.1.2 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 perfect-matching 0.1.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 188374b7e7cd44c8c01fc3d59071290c2ec57bbc9370b493accc32ea8ad529c1
[INFO] running `Command { std: "docker" "start" "-a" "188374b7e7cd44c8c01fc3d59071290c2ec57bbc9370b493accc32ea8ad529c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188374b7e7cd44c8c01fc3d59071290c2ec57bbc9370b493accc32ea8ad529c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188374b7e7cd44c8c01fc3d59071290c2ec57bbc9370b493accc32ea8ad529c1", kill_on_drop: false }`
[INFO] [stdout] 188374b7e7cd44c8c01fc3d59071290c2ec57bbc9370b493accc32ea8ad529c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9c08924707ed8bdaed6098e626a02a79d894aaf0a0a78350c5c9c53b08e811f4
[INFO] running `Command { std: "docker" "start" "-a" "9c08924707ed8bdaed6098e626a02a79d894aaf0a0a78350c5c9c53b08e811f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling perfect-matching v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9c08924707ed8bdaed6098e626a02a79d894aaf0a0a78350c5c9c53b08e811f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c08924707ed8bdaed6098e626a02a79d894aaf0a0a78350c5c9c53b08e811f4", kill_on_drop: false }`
[INFO] [stdout] 9c08924707ed8bdaed6098e626a02a79d894aaf0a0a78350c5c9c53b08e811f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d16f71d98a96705a438face5ca17bfbe246fd87dd9b0bbb80ddf528c3f66b68
[INFO] running `Command { std: "docker" "start" "-a" "7d16f71d98a96705a438face5ca17bfbe246fd87dd9b0bbb80ddf528c3f66b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling perfect-matching v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "7d16f71d98a96705a438face5ca17bfbe246fd87dd9b0bbb80ddf528c3f66b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d16f71d98a96705a438face5ca17bfbe246fd87dd9b0bbb80ddf528c3f66b68", kill_on_drop: false }`
[INFO] [stdout] 7d16f71d98a96705a438face5ca17bfbe246fd87dd9b0bbb80ddf528c3f66b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b92fc3b3371f8d5dd761ab72ae84da6eef9834b0ff5aa7f6d0d7a74d668555de
[INFO] running `Command { std: "docker" "start" "-a" "b92fc3b3371f8d5dd761ab72ae84da6eef9834b0ff5aa7f6d0d7a74d668555de", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/perfect_matching-86237f3fb913719f)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test csa::tests::test_compare_rectangular ... ok
[INFO] [stdout] test csa::tests::test_csa_3x3_i32 ... ok
[INFO] [stdout] test csa::tests::test_csa_4x4_f32 ... ok
[INFO] [stdout] test hun::tests::test_hun_3x3_i32 ... ok
[INFO] [stdout] test hun::tests::test_hun_3x3_i64 ... ok
[INFO] [stdout] test csa::tests::test_csa_3x3_i64 ... ok
[INFO] [stdout] test hun::tests::test_hun_4x4_i8 ... ok
[INFO] [stdout] test sapjv::tests::test_identical_costs ... ok
[INFO] [stdout] test hun::tests::test_hun_4x4_i16 ... ok
[INFO] [stdout] test sapjv::tests::test_known_assignment ... ok
[INFO] [stdout] test sapjv::tests::test_rectangular ... ok
[INFO] [stdout] test sapjv::tests::test_single_element ... ok
[INFO] [stdout] test sapjv::tests::test_optimal_in_diagonal ... ok
[INFO] [stdout] test csa::tests::test_csa_4x4_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perfect_matching
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/hun.rs - hun::hungarian_matching (line 33) ... ok
[INFO] [stdout] test src/sapjv.rs - sapjv::lsap_scalar (line 27) ... ok
[INFO] [stdout] test src/csa.rs - csa::csa_scalar (line 350) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.96s; merged doctests compilation took 0.88s
[INFO] running `Command { std: "docker" "inspect" "b92fc3b3371f8d5dd761ab72ae84da6eef9834b0ff5aa7f6d0d7a74d668555de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92fc3b3371f8d5dd761ab72ae84da6eef9834b0ff5aa7f6d0d7a74d668555de", kill_on_drop: false }`
[INFO] [stdout] b92fc3b3371f8d5dd761ab72ae84da6eef9834b0ff5aa7f6d0d7a74d668555de
