[INFO] fetching crate neural-network-study 0.5.0...
[INFO] testing neural-network-study-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate neural-network-study 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate neural-network-study 0.5.0
[INFO] finished tweaking crates.io crate neural-network-study 0.5.0
[INFO] tweaked toml for crates.io crate neural-network-study 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neural-network-study 0.5.0 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] crate crates.io crate neural-network-study 0.5.0 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d128e1f349dfd8d81b46d1efd4056ff42edb8ecff08d12cd83566fdf78068547
[INFO] running `Command { std: "docker" "start" "-a" "d128e1f349dfd8d81b46d1efd4056ff42edb8ecff08d12cd83566fdf78068547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d128e1f349dfd8d81b46d1efd4056ff42edb8ecff08d12cd83566fdf78068547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d128e1f349dfd8d81b46d1efd4056ff42edb8ecff08d12cd83566fdf78068547", kill_on_drop: false }`
[INFO] [stdout] d128e1f349dfd8d81b46d1efd4056ff42edb8ecff08d12cd83566fdf78068547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a0ecb00bc25cef0dae4b12637518a9b6cb26a171970ece331ce2eedba2b1006
[INFO] running `Command { std: "docker" "start" "-a" "7a0ecb00bc25cef0dae4b12637518a9b6cb26a171970ece331ce2eedba2b1006", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling neural-network-study v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.43s
[INFO] running `Command { std: "docker" "inspect" "7a0ecb00bc25cef0dae4b12637518a9b6cb26a171970ece331ce2eedba2b1006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0ecb00bc25cef0dae4b12637518a9b6cb26a171970ece331ce2eedba2b1006", kill_on_drop: false }`
[INFO] [stdout] 7a0ecb00bc25cef0dae4b12637518a9b6cb26a171970ece331ce2eedba2b1006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 922a3caea975f719339b15c14fb2bafc1de7c6ea59c8caba4e61a53f45fa7ff1
[INFO] running `Command { std: "docker" "start" "-a" "922a3caea975f719339b15c14fb2bafc1de7c6ea59c8caba4e61a53f45fa7ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural-network-study v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "922a3caea975f719339b15c14fb2bafc1de7c6ea59c8caba4e61a53f45fa7ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922a3caea975f719339b15c14fb2bafc1de7c6ea59c8caba4e61a53f45fa7ff1", kill_on_drop: false }`
[INFO] [stdout] 922a3caea975f719339b15c14fb2bafc1de7c6ea59c8caba4e61a53f45fa7ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a8c311b8d4919a07ad8123c3d163da91986f319b1f988c10a72e039efe19e50a
[INFO] running `Command { std: "docker" "start" "-a" "a8c311b8d4919a07ad8123c3d163da91986f319b1f988c10a72e039efe19e50a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neural_network_study-fb50268cb0bb9a46)
[INFO] [stdout] running 19 tests
[INFO] [stdout] test matrix::matrix_tests::it_adds_matrices ... ok
[INFO] [stdout] test matrix::matrix_tests::it_creates_a_matrix_from_a_vector ... ok
[INFO] [stdout] test matrix::matrix_tests::it_adds_and_assigns ... ok
[INFO] [stdout] test matrix::matrix_tests::it_creates_random_matrix ... ok
[INFO] [stdout] test matrix::matrix_tests::it_maps ... ok
[INFO] [stdout] test matrix::matrix_tests::it_multiplies_by_scalar ... ok
[INFO] [stdout] test matrix::matrix_tests::it_gets_and_sets_mutable_values ... ok
[INFO] [stdout] test matrix::matrix_tests::it_gets_and_sets_values ... ok
[INFO] [stdout] test matrix::matrix_tests::it_multiplies_by_scalar_in_place ... ok
[INFO] [stdout] test matrix::matrix_tests::it_multiplies_matrices ... ok
[INFO] [stdout] test matrix::matrix_tests::it_works ... ok
[INFO] [stdout] test matrix::matrix_tests::it_transposes_matrix ... ok
[INFO] [stdout] test nn::nn_tests::it_creates_a_neural_network ... ok
[INFO] [stdout] test matrix::matrix_tests::it_returns_mutable_data ... ok
[INFO] [stdout] test nn::nn_tests::it_predicts ... ok
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_get - should panic ... ok
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_get_mut - should panic ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/neural_network_study-e4776a7a2e687e72)
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_set_mut - should panic ... ok
[INFO] [stderr]    Doc-tests neural_network_study
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_set - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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] [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" "a8c311b8d4919a07ad8123c3d163da91986f319b1f988c10a72e039efe19e50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c311b8d4919a07ad8123c3d163da91986f319b1f988c10a72e039efe19e50a", kill_on_drop: false }`
[INFO] [stdout] a8c311b8d4919a07ad8123c3d163da91986f319b1f988c10a72e039efe19e50a