[INFO] fetching crate munkres 0.5.2...
[INFO] testing munkres-0.5.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate munkres 0.5.2 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate munkres 0.5.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 68 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: v0.17.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] cae7ab441bb1761bf78f75f66e7d5e304f38a9ea0390d1b2ad6bbb11a7e381ca
[INFO] running `Command { std: "docker" "start" "-a" "cae7ab441bb1761bf78f75f66e7d5e304f38a9ea0390d1b2ad6bbb11a7e381ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cae7ab441bb1761bf78f75f66e7d5e304f38a9ea0390d1b2ad6bbb11a7e381ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae7ab441bb1761bf78f75f66e7d5e304f38a9ea0390d1b2ad6bbb11a7e381ca", kill_on_drop: false }`
[INFO] [stdout] cae7ab441bb1761bf78f75f66e7d5e304f38a9ea0390d1b2ad6bbb11a7e381ca
[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] 32abea38d553b2694ca7d7b592995e0d60acaf20202465c1f8a04c89cf62d84f
[INFO] running `Command { std: "docker" "start" "-a" "32abea38d553b2694ca7d7b592995e0d60acaf20202465c1f8a04c89cf62d84f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[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 4.25s
[INFO] running `Command { std: "docker" "inspect" "32abea38d553b2694ca7d7b592995e0d60acaf20202465c1f8a04c89cf62d84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32abea38d553b2694ca7d7b592995e0d60acaf20202465c1f8a04c89cf62d84f", kill_on_drop: false }`
[INFO] [stdout] 32abea38d553b2694ca7d7b592995e0d60acaf20202465c1f8a04c89cf62d84f
[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] e8ed4f855f4166b7b9dc862922125a842436c572ac5b3295cdc7b60b5b3d177f
[INFO] running `Command { std: "docker" "start" "-a" "e8ed4f855f4166b7b9dc862922125a842436c572ac5b3295cdc7b60b5b3d177f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[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 22.28s
[INFO] running `Command { std: "docker" "inspect" "e8ed4f855f4166b7b9dc862922125a842436c572ac5b3295cdc7b60b5b3d177f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ed4f855f4166b7b9dc862922125a842436c572ac5b3295cdc7b60b5b3d177f", kill_on_drop: false }`
[INFO] [stdout] e8ed4f855f4166b7b9dc862922125a842436c572ac5b3295cdc7b60b5b3d177f
[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] af4f1d5fd135300d7bd7ff05f052bb42c044f97141aef22d39f52888a345ae6b
[INFO] running `Command { std: "docker" "start" "-a" "af4f1d5fd135300d7bd7ff05f052bb42c044f97141aef22d39f52888a345ae6b", 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-8c6a282f118be39c)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_should_be_unsolvable_if_first_cell_of_each_row_is_invalid ... ok
[INFO] [stdout] test test_invalid2 ... ok
[INFO] [stdout] test test_invalid ... ok
[INFO] [stdout] test test_solve_equal_rows2 ... ok
[INFO] [stdout] test test_solve ... ok
[INFO] [stdout] test test_step2 ... ok
[INFO] [stdout] test test_solve_random10 ... ok
[INFO] [stdout] test test_step1 ... ok
[INFO] [stdout] test test_solve_equal_rows5_float ... ok
[INFO] [stdout] test test_solve_equal_rows5_float2 ... ok
[INFO] [stdout] test test_step3 ... ok
[INFO] [stdout] test test_step4_case1 ... ok
[INFO] [stdout] test test_step4_case2 ... ok
[INFO] [stdout] test test_step5 ... ok
[INFO] [stdout] test test_unsolvable2 ... ok
[INFO] [stdout] test weight_matrix::test_weight_matrix ... ok
[INFO] [stdout] test test_step6 ... ok
[INFO] [stdout] test test_solve_equal_rows_stepwise ... ok
[INFO] [stdout] test test_solve_equal_rows5 ... ok
[INFO] [stdout] test test_unsolvable ... ok
[INFO] [stderr]    Doc-tests munkres
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "af4f1d5fd135300d7bd7ff05f052bb42c044f97141aef22d39f52888a345ae6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4f1d5fd135300d7bd7ff05f052bb42c044f97141aef22d39f52888a345ae6b", kill_on_drop: false }`
[INFO] [stdout] af4f1d5fd135300d7bd7ff05f052bb42c044f97141aef22d39f52888a345ae6b