[INFO] fetching crate karma 1.0.0...
[INFO] testing karma-1.0.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate karma 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate karma 1.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate karma 1.0.0
[INFO] tweaked toml for crates.io crate karma 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate karma 1.0.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate karma 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6771fafd6519e39746f7ac8e5f568268419acd8c4bfd14fe2087aa5364c273bf
[INFO] running `Command { std: "docker" "start" "-a" "6771fafd6519e39746f7ac8e5f568268419acd8c4bfd14fe2087aa5364c273bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6771fafd6519e39746f7ac8e5f568268419acd8c4bfd14fe2087aa5364c273bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6771fafd6519e39746f7ac8e5f568268419acd8c4bfd14fe2087aa5364c273bf", kill_on_drop: false }`
[INFO] [stdout] 6771fafd6519e39746f7ac8e5f568268419acd8c4bfd14fe2087aa5364c273bf
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f451987388f766979dca09e3e949a3cdec39f5b24a23f2800ab501694218d3b5
[INFO] running `Command { std: "docker" "start" "-a" "f451987388f766979dca09e3e949a3cdec39f5b24a23f2800ab501694218d3b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling karma v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "f451987388f766979dca09e3e949a3cdec39f5b24a23f2800ab501694218d3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f451987388f766979dca09e3e949a3cdec39f5b24a23f2800ab501694218d3b5", kill_on_drop: false }`
[INFO] [stdout] f451987388f766979dca09e3e949a3cdec39f5b24a23f2800ab501694218d3b5
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e69b0740ebbc265c3b511887de17bbaf927dfb75d446206e343074df67b345c
[INFO] running `Command { std: "docker" "start" "-a" "4e69b0740ebbc265c3b511887de17bbaf927dfb75d446206e343074df67b345c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling karma v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "4e69b0740ebbc265c3b511887de17bbaf927dfb75d446206e343074df67b345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e69b0740ebbc265c3b511887de17bbaf927dfb75d446206e343074df67b345c", kill_on_drop: false }`
[INFO] [stdout] 4e69b0740ebbc265c3b511887de17bbaf927dfb75d446206e343074df67b345c
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41e2b03974edde9ad8f67abebe84b092e7877b0341fa601b63402f3e5535b84f
[INFO] running `Command { std: "docker" "start" "-a" "41e2b03974edde9ad8f67abebe84b092e7877b0341fa601b63402f3e5535b84f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/karma-918eb880293bc9cc)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_clone_and_equality ... ok
[INFO] [stdout] test tests::test_evaluate_validates_observations ... ok
[INFO] [stdout] test tests::test_new_hmm_validates_parameters ... ok
[INFO] [stdout] test tests::test_probability_bounds ... ok
[INFO] [stdout] test tests::test_randomize_preserves_probability_sum ... ok
[INFO] [stdout] test tests::test_basic_training_and_evaluation ... ok
[INFO] [stdout] test tests::test_train_rejects_empty_sequence ... ok
[INFO] [stdout] test tests::test_new_hmm_uniform_initialization ... ok
[INFO] [stdout] test tests::test_train_validates_observations ... ok
[INFO] [stdout] test tests::test_workspace_expansion ... ok
[INFO] [stdout] test tests::test_train_validates_learning_rate ... ok
[INFO] [stdout] test tests::test_evaluate_empty_sequence ... ok
[INFO] [stdout] test tests::test_builder_pattern ... ok
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-5efe4ec195b623fd)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_builder_validation ... ok
[INFO] [stdout] test test_probability_matrix_properties ... ok
[INFO] [stdout] test test_randomization_changes_probabilities ... ok
[INFO] [stdout] test test_original_smoke_test ... ok
[INFO] [stdout] test test_single_observation_sequence ... ok
[INFO] [stdout] test test_error_handling ... ok
[INFO] [stdout] test test_sequence_classification ... ok
[INFO] [stdout] test prop_clone_creates_equal_model ... ok
[INFO] [stdout] test prop_out_of_bounds_observation_fails ... ok
[INFO] [stdout] test prop_valid_model_creation ... ok
[INFO] [stdout] test test_convergence_behavior ... ok
[INFO] [stdout] test test_multiple_training_sessions ... ok
[INFO] [stdout] test test_long_sequence_handling ... ok
[INFO] [stdout] test prop_empty_sequence_returns_one ... ok
[INFO] [stdout] test prop_probability_bounds ... ok
[INFO] [stdout] test prop_training_with_valid_data_succeeds ... ok
[INFO] [stderr]    Doc-tests karma
[INFO] [stdout] test prop_probability_matrices_valid_after_training ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - HiddenMarkovModel::randomize_initial_probabilities (line 234) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - HiddenMarkovModel::new (line 140) ... ok
[INFO] [stdout] test src/lib.rs - HiddenMarkovModel::evaluate (line 335) ... ok
[INFO] [stdout] test src/lib.rs - HiddenMarkovModel::builder (line 179) ... ok
[INFO] [stdout] test src/lib.rs - HiddenMarkovModel::train (line 281) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41e2b03974edde9ad8f67abebe84b092e7877b0341fa601b63402f3e5535b84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e2b03974edde9ad8f67abebe84b092e7877b0341fa601b63402f3e5535b84f", kill_on_drop: false }`
[INFO] [stdout] 41e2b03974edde9ad8f67abebe84b092e7877b0341fa601b63402f3e5535b84f