[INFO] fetching crate shrew-cpu 0.1.0...
[INFO] testing shrew-cpu-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shrew-cpu 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate shrew-cpu 0.1.0
[INFO] finished tweaking crates.io crate shrew-cpu 0.1.0
[INFO] tweaked toml for crates.io crate shrew-cpu 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shrew-cpu 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-cpu 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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3987af3f258a6d96c557c55ef0381b1fc1818c45509eaef5c82c52a2892d74ec
[INFO] running `Command { std: "docker" "start" "-a" "3987af3f258a6d96c557c55ef0381b1fc1818c45509eaef5c82c52a2892d74ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3987af3f258a6d96c557c55ef0381b1fc1818c45509eaef5c82c52a2892d74ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3987af3f258a6d96c557c55ef0381b1fc1818c45509eaef5c82c52a2892d74ec", kill_on_drop: false }`
[INFO] [stdout] 3987af3f258a6d96c557c55ef0381b1fc1818c45509eaef5c82c52a2892d74ec
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bec1e4a647bab48d36fccb51b1035953350b66d5ca0aa07dab1ccce801af1ef
[INFO] running `Command { std: "docker" "start" "-a" "0bec1e4a647bab48d36fccb51b1035953350b66d5ca0aa07dab1ccce801af1ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[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-c64 v0.18.2
[INFO] [stderr]    Compiling gemm-c32 v0.18.2
[INFO] [stderr]    Compiling gemm-f64 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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.17s
[INFO] running `Command { std: "docker" "inspect" "0bec1e4a647bab48d36fccb51b1035953350b66d5ca0aa07dab1ccce801af1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bec1e4a647bab48d36fccb51b1035953350b66d5ca0aa07dab1ccce801af1ef", kill_on_drop: false }`
[INFO] [stdout] 0bec1e4a647bab48d36fccb51b1035953350b66d5ca0aa07dab1ccce801af1ef
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfc4724e28043741f0f674dd91a7a21c1cd2a7254d070453e6e8884ea4a8ce45
[INFO] running `Command { std: "docker" "start" "-a" "dfc4724e28043741f0f674dd91a7a21c1cd2a7254d070453e6e8884ea4a8ce45", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrew-cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `Command { std: "docker" "inspect" "dfc4724e28043741f0f674dd91a7a21c1cd2a7254d070453e6e8884ea4a8ce45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc4724e28043741f0f674dd91a7a21c1cd2a7254d070453e6e8884ea4a8ce45", kill_on_drop: false }`
[INFO] [stdout] dfc4724e28043741f0f674dd91a7a21c1cd2a7254d070453e6e8884ea4a8ce45
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7d6b63b43c0662f0f5f33d5bc8a450e25815407c4902fe67e404ae13483cf3a
[INFO] running `Command { std: "docker" "start" "-a" "c7d6b63b43c0662f0f5f33d5bc8a450e25815407c4902fe67e404ae13483cf3a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shrew_cpu-a0bbb0423ed2e9b7)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test ops::tests::test_affine ... ok
[INFO] [stdout] test ops::tests::test_arange_step ... ok
[INFO] [stdout] test ops::tests::test_backward_detach ... ok
[INFO] [stdout] test ops::tests::test_backward_add_sub ... ok
[INFO] [stdout] test ops::tests::test_backward_affine ... ok
[INFO] [stdout] test ops::tests::test_backward_narrow ... ok
[INFO] [stdout] test ops::tests::test_backward_chain_rule ... ok
[INFO] [stdout] test ops::tests::test_add ... ok
[INFO] [stdout] test ops::tests::test_backward_div ... ok
[INFO] [stdout] test ops::tests::test_backward_exp_log ... ok
[INFO] [stdout] test ops::tests::test_backward_matmul ... ok
[INFO] [stdout] test ops::tests::test_backward_mul ... ok
[INFO] [stdout] test ops::tests::test_backward_numerical_check ... ok
[INFO] [stdout] test ops::tests::test_backward_reshape ... ok
[INFO] [stdout] test ops::tests::test_backward_shared_variable ... ok
[INFO] [stdout] test ops::tests::test_backward_sigmoid ... ok
[INFO] [stdout] test ops::tests::test_backward_square_mean ... ok
[INFO] [stdout] test ops::tests::test_backward_sum_dim ... ok
[INFO] [stdout] test ops::tests::test_backward_tanh ... ok
[INFO] [stdout] test ops::tests::test_clamp ... ok
[INFO] [stdout] test ops::tests::test_clamp_backward ... ok
[INFO] [stdout] test ops::tests::test_from_slice ... ok
[INFO] [stdout] test ops::tests::test_gelu ... ok
[INFO] [stdout] test ops::tests::test_mean_dim ... ok
[INFO] [stdout] test ops::tests::test_mul ... ok
[INFO] [stdout] test ops::tests::test_narrow ... ok
[INFO] [stdout] test ops::tests::test_powf ... ok
[INFO] [stdout] test ops::tests::test_relu ... ok
[INFO] [stdout] test ops::tests::test_reshape ... ok
[INFO] [stdout] test ops::tests::test_powf_backward ... ok
[INFO] [stdout] test ops::tests::test_sigmoid ... ok
[INFO] [stdout] test ops::tests::test_stack ... ok
[INFO] [stdout] test ops::tests::test_sum_all ... ok
[INFO] [stdout] test ops::tests::test_sum_dim ... ok
[INFO] [stdout] test ops::tests::test_transpose ... ok
[INFO] [stdout] test ops::tests::test_tril ... ok
[INFO] [stdout] test ops::tests::test_tril_negative_diagonal ... ok
[INFO] [stdout] test ops::tests::test_triu ... ok
[INFO] [stdout] test ops::tests::test_triu_diagonal ... ok
[INFO] [stdout] test ops::tests::test_unsqueeze_squeeze ... ok
[INFO] [stdout] test ops::tests::test_where_cond ... ok
[INFO] [stdout] test ops::tests::test_where_cond_backward ... ok
[INFO] [stdout] test ops::tests::test_where_cond_with_cmp ... ok
[INFO] [stdout] test ops::tests::test_zeros_ones ... ok
[INFO] [stdout] test ops::tests::test_matmul_2x3_3x2 ... ok
[INFO] [stdout] test ops::tests::test_backward_relu ... ok
[INFO] [stdout] test ops::tests::test_backward_transpose ... ok
[INFO] [stdout] test ops::tests::test_powf_sqrt ... ok
[INFO] [stdout] test ops::tests::test_arange ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shrew_cpu
[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" "c7d6b63b43c0662f0f5f33d5bc8a450e25815407c4902fe67e404ae13483cf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d6b63b43c0662f0f5f33d5bc8a450e25815407c4902fe67e404ae13483cf3a", kill_on_drop: false }`
[INFO] [stdout] c7d6b63b43c0662f0f5f33d5bc8a450e25815407c4902fe67e404ae13483cf3a
