[INFO] fetching crate munkres 0.5.2...
[INFO] testing munkres-0.5.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate munkres 0.5.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate munkres 0.5.2
[INFO] finished tweaking crates.io crate munkres 0.5.2
[INFO] tweaked toml for crates.io crate munkres 0.5.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate munkres 0.5.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding fixedbitset v0.3.2 (available: v0.5.7)
[INFO] [stderr]       Adding ndarray v0.14.0 (available: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bbf7ee184cc358b50089a6b923a8918529dbffe01e49caad05120972b81b636
[INFO] running `Command { std: "docker" "start" "-a" "8bbf7ee184cc358b50089a6b923a8918529dbffe01e49caad05120972b81b636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bbf7ee184cc358b50089a6b923a8918529dbffe01e49caad05120972b81b636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bbf7ee184cc358b50089a6b923a8918529dbffe01e49caad05120972b81b636", kill_on_drop: false }`
[INFO] [stdout] 8bbf7ee184cc358b50089a6b923a8918529dbffe01e49caad05120972b81b636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5ee26c7f334c38d5545af1165a99a0807ed57789e5ff5fc49c3c5b206724ce
[INFO] running `Command { std: "docker" "start" "-a" "ca5ee26c7f334c38d5545af1165a99a0807ed57789e5ff5fc49c3c5b206724ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling fixedbitset v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling munkres v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "ca5ee26c7f334c38d5545af1165a99a0807ed57789e5ff5fc49c3c5b206724ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5ee26c7f334c38d5545af1165a99a0807ed57789e5ff5fc49c3c5b206724ce", kill_on_drop: false }`
[INFO] [stdout] ca5ee26c7f334c38d5545af1165a99a0807ed57789e5ff5fc49c3c5b206724ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fda39030ba61ef5182b1e4054393ca8943b72095d768709633998a2408e5e72
[INFO] running `Command { std: "docker" "start" "-a" "6fda39030ba61ef5182b1e4054393ca8943b72095d768709633998a2408e5e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling munkres v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `Command { std: "docker" "inspect" "6fda39030ba61ef5182b1e4054393ca8943b72095d768709633998a2408e5e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fda39030ba61ef5182b1e4054393ca8943b72095d768709633998a2408e5e72", kill_on_drop: false }`
[INFO] [stdout] 6fda39030ba61ef5182b1e4054393ca8943b72095d768709633998a2408e5e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6a8c431bb52c89b583b3f5f146723e19417cb77cdbd14d12612a7cd480a1f31
[INFO] running `Command { std: "docker" "start" "-a" "d6a8c431bb52c89b583b3f5f146723e19417cb77cdbd14d12612a7cd480a1f31", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/munkres-4c5f9eab337ea84d)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_invalid2 ... ok
[INFO] [stdout] test test_should_be_unsolvable_if_first_cell_of_each_row_is_invalid ... ok
[INFO] [stdout] test test_solve ... ok
[INFO] [stdout] test test_solve_equal_rows5 ... ok
[INFO] [stdout] test test_invalid ... ok
[INFO] [stdout] test test_solve_equal_rows2 ... ok
[INFO] [stdout] test test_solve_equal_rows5_float ... ok
[INFO] [stdout] test test_solve_equal_rows5_float2 ... ok
[INFO] [stdout] test test_step1 ... ok
[INFO] [stdout] test test_step2 ... ok
[INFO] [stdout] test test_step4_case1 ... ok
[INFO] [stdout] test test_step5 ... ok
[INFO] [stdout] test test_step6 ... ok
[INFO] [stdout] test test_solve_random10 ... ok
[INFO] [stdout] test test_unsolvable2 ... ok
[INFO] [stdout] test test_step3 ... ok
[INFO] [stdout] test test_step4_case2 ... ok
[INFO] [stdout] test weight_matrix::test_weight_matrix ... ok
[INFO] [stdout] test test_unsolvable ... ok
[INFO] [stdout] test test_solve_equal_rows_stepwise ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests munkres
[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" "d6a8c431bb52c89b583b3f5f146723e19417cb77cdbd14d12612a7cd480a1f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a8c431bb52c89b583b3f5f146723e19417cb77cdbd14d12612a7cd480a1f31", kill_on_drop: false }`
[INFO] [stdout] d6a8c431bb52c89b583b3f5f146723e19417cb77cdbd14d12612a7cd480a1f31