[INFO] fetching crate shrew-nn 0.1.0...
[INFO] testing shrew-nn-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shrew-nn 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shrew-nn 0.1.0
[INFO] finished tweaking crates.io crate shrew-nn 0.1.0
[INFO] tweaked toml for crates.io crate shrew-nn 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shrew-nn 0.1.0 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 shrew-nn 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 73b2a933cbc0f0e7228f535724087ed4c0c05a611205e70a4c394d1b68657b01
[INFO] running `Command { std: "docker" "start" "-a" "73b2a933cbc0f0e7228f535724087ed4c0c05a611205e70a4c394d1b68657b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b2a933cbc0f0e7228f535724087ed4c0c05a611205e70a4c394d1b68657b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b2a933cbc0f0e7228f535724087ed4c0c05a611205e70a4c394d1b68657b01", kill_on_drop: false }`
[INFO] [stdout] 73b2a933cbc0f0e7228f535724087ed4c0c05a611205e70a4c394d1b68657b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 42a3e8ee39882264e3a719df63de5e8056bdcdd1b8a39ceffa5af7a81d1ee3b0
[INFO] running `Command { std: "docker" "start" "-a" "42a3e8ee39882264e3a719df63de5e8056bdcdd1b8a39ceffa5af7a81d1ee3b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dyn-stack v0.13.2
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling gemm-common v0.18.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling gemm-f32 v0.18.2
[INFO] [stderr]    Compiling gemm-f64 v0.18.2
[INFO] [stderr]    Compiling gemm-c64 v0.18.2
[INFO] [stderr]    Compiling gemm-c32 v0.18.2
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling gemm-f16 v0.18.2
[INFO] [stderr]    Compiling shrew-core v0.1.0
[INFO] [stderr]    Compiling gemm v0.18.2
[INFO] [stderr]    Compiling shrew-cpu v0.1.0
[INFO] [stderr]    Compiling shrew-nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.95s
[INFO] running `Command { std: "docker" "inspect" "42a3e8ee39882264e3a719df63de5e8056bdcdd1b8a39ceffa5af7a81d1ee3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a3e8ee39882264e3a719df63de5e8056bdcdd1b8a39ceffa5af7a81d1ee3b0", kill_on_drop: false }`
[INFO] [stdout] 42a3e8ee39882264e3a719df63de5e8056bdcdd1b8a39ceffa5af7a81d1ee3b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b4612ec7ecc79803a453b81576f79d180e644f1e505710024fa77ac824c09e2e
[INFO] running `Command { std: "docker" "start" "-a" "b4612ec7ecc79803a453b81576f79d180e644f1e505710024fa77ac824c09e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrew-nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "b4612ec7ecc79803a453b81576f79d180e644f1e505710024fa77ac824c09e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4612ec7ecc79803a453b81576f79d180e644f1e505710024fa77ac824c09e2e", kill_on_drop: false }`
[INFO] [stdout] b4612ec7ecc79803a453b81576f79d180e644f1e505710024fa77ac824c09e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 07fb6d429f637296552e5ab2f7fef5159ab08da5c3a8c3afcd58e01db8bb92f1
[INFO] running `Command { std: "docker" "start" "-a" "07fb6d429f637296552e5ab2f7fef5159ab08da5c3a8c3afcd58e01db8bb92f1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shrew_nn-55c5c2b0e4cc6134)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test init::tests::test_compute_fans_conv ... ok
[INFO] [stdout] test init::tests::test_constant_values ... ok
[INFO] [stdout] test init::tests::test_kaiming_normal_shape ... ok
[INFO] [stdout] test init::tests::test_ones_values ... ok
[INFO] [stdout] test metrics::tests::test_accuracy_50_percent ... ok
[INFO] [stdout] test metrics::tests::test_accuracy_perfect ... ok
[INFO] [stdout] test init::tests::test_zeros_values ... ok
[INFO] [stdout] test init::tests::test_xavier_normal_shape ... ok
[INFO] [stdout] test init::tests::test_uniform_range ... ok
[INFO] [stdout] test metrics::tests::test_classification_report ... ok
[INFO] [stdout] test metrics::tests::test_argmax_classes ... ok
[INFO] [stdout] test metrics::tests::test_mae_rmse ... ok
[INFO] [stdout] test metrics::tests::test_perplexity ... ok
[INFO] [stdout] test metrics::tests::test_precision_micro ... ok
[INFO] [stdout] test metrics::tests::test_precision_recall_f1_binary ... ok
[INFO] [stdout] test metrics::tests::test_r2_perfect ... ok
[INFO] [stdout] test metrics::tests::test_top_k_accuracy ... ok
[INFO] [stdout] test metrics::tests::test_confusion_matrix_binary ... ok
[INFO] [stdout] test init::tests::test_xavier_uniform_shape ... ok
[INFO] [stdout] test init::tests::test_kaiming_uniform_bounds ... ok
[INFO] [stdout] test init::tests::test_normal_stats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shrew_nn
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/attention.rs - attention::MultiHeadAttention (line 65) ... ignored
[INFO] [stdout] test src/batchnorm.rs - batchnorm::BatchNorm2d (line 46) ... ignored
[INFO] [stdout] test src/conv.rs - conv::Conv2d (line 38) ... ignored
[INFO] [stdout] test src/embedding.rs - embedding::Embedding (line 31) ... ignored
[INFO] [stdout] test src/flatten.rs - flatten::Flatten (line 24) ... ignored
[INFO] [stdout] test src/groupnorm.rs - groupnorm::GroupNorm (line 30) ... ignored
[INFO] [stdout] test src/layernorm.rs - layernorm::LayerNorm (line 44) ... ignored
[INFO] [stdout] test src/linear.rs - linear::Linear (line 40) ... ignored
[INFO] [stdout] test src/loss.rs - loss::mse_loss (line 65) ... ignored
[INFO] [stdout] test src/module.rs - module::Module (line 34) ... ignored
[INFO] [stdout] test src/rmsnorm.rs - rmsnorm::RMSNorm (line 35) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 11 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07fb6d429f637296552e5ab2f7fef5159ab08da5c3a8c3afcd58e01db8bb92f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fb6d429f637296552e5ab2f7fef5159ab08da5c3a8c3afcd58e01db8bb92f1", kill_on_drop: false }`
[INFO] [stdout] 07fb6d429f637296552e5ab2f7fef5159ab08da5c3a8c3afcd58e01db8bb92f1
