[INFO] fetching crate burn_attention 0.1.0...
[INFO] testing burn_attention-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate burn_attention 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate burn_attention 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate burn_attention 0.1.0
[INFO] tweaked toml for crates.io crate burn_attention 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn_attention 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn_attention 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] debda1f84acc04fed4554da1330b5328e4a133ad27388965486354207980cce3
[INFO] running `Command { std: "docker" "start" "-a" "debda1f84acc04fed4554da1330b5328e4a133ad27388965486354207980cce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "debda1f84acc04fed4554da1330b5328e4a133ad27388965486354207980cce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debda1f84acc04fed4554da1330b5328e4a133ad27388965486354207980cce3", kill_on_drop: false }`
[INFO] [stdout] debda1f84acc04fed4554da1330b5328e4a133ad27388965486354207980cce3
[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=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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e82270a1dd85ad237ea9b66dbe4991cdbb60758eed477cc0cdc34ecaa666f5
[INFO] running `Command { std: "docker" "start" "-a" "16e82270a1dd85ad237ea9b66dbe4991cdbb60758eed477cc0cdc34ecaa666f5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cubecl-wgpu v0.8.1
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[INFO] [stderr]    Compiling libc v0.2.177
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[INFO] [stderr]    Compiling burn-ndarray v0.19.1
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[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling sanitize-filename v0.6.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling burn-derive v0.19.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling wgpu-types v26.0.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
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[INFO] [stderr]    Compiling enumset_derive v0.14.0
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[INFO] [stderr]    Compiling darling_macro v0.20.11
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[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling enumset v1.1.10
[INFO] [stderr]    Compiling gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
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[INFO] [stderr]    Compiling text_placeholder v0.5.1
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[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling cubecl-ir v0.8.1
[INFO] [stderr]    Compiling burn-common v0.19.1
[INFO] [stderr]    Compiling cubecl-core v0.8.1
[INFO] [stderr]    Compiling cubecl-std v0.8.1
[INFO] [stderr]    Compiling cubecl-random v0.8.1
[INFO] [stderr]    Compiling cubecl-reduce v0.8.1
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[INFO] [stderr]    Compiling wgpu-core-deps-windows-linux-android v26.0.0
[INFO] [stderr]    Compiling cubecl-matmul v0.8.1
[INFO] [stderr]    Compiling cubecl-convolution v0.8.1
[INFO] [stderr]    Compiling cubecl v0.8.1
[INFO] [stderr]    Compiling burn-tensor v0.19.1
[INFO] [stderr]    Compiling burn-ir v0.19.1
[INFO] [stderr]    Compiling burn-core v0.19.1
[INFO] [stderr]    Compiling burn-autodiff v0.19.1
[INFO] [stderr]    Compiling burn-nn v0.19.1
[INFO] [stderr]    Compiling burn-optim v0.19.1
[INFO] [stderr]    Compiling burn-fusion v0.19.1
[INFO] [stderr]    Compiling burn-cubecl-fusion v0.19.1
[INFO] [stderr]    Compiling burn v0.19.1
[INFO] [stderr]    Compiling burn-cubecl v0.19.1
[INFO] [stderr]    Compiling burn-wgpu v0.19.1
[INFO] [stderr]    Compiling burn_attention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "16e82270a1dd85ad237ea9b66dbe4991cdbb60758eed477cc0cdc34ecaa666f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e82270a1dd85ad237ea9b66dbe4991cdbb60758eed477cc0cdc34ecaa666f5", kill_on_drop: false }`
[INFO] [stdout] 16e82270a1dd85ad237ea9b66dbe4991cdbb60758eed477cc0cdc34ecaa666f5
[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=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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dad4359320de6990c873c00e524bd8682553dba768669d05c1c2ff84d1bbc441
[INFO] running `Command { std: "docker" "start" "-a" "dad4359320de6990c873c00e524bd8682553dba768669d05c1c2ff84d1bbc441", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling burn_attention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.35s
[INFO] running `Command { std: "docker" "inspect" "dad4359320de6990c873c00e524bd8682553dba768669d05c1c2ff84d1bbc441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad4359320de6990c873c00e524bd8682553dba768669d05c1c2ff84d1bbc441", kill_on_drop: false }`
[INFO] [stdout] dad4359320de6990c873c00e524bd8682553dba768669d05c1c2ff84d1bbc441
[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=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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6afebce6ff19e5f4afa162d7fc2351f8ab9370aa20439531c852929b7dac9b44
[INFO] running `Command { std: "docker" "start" "-a" "6afebce6ff19e5f4afa162d7fc2351f8ab9370aa20439531c852929b7dac9b44", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/burn_attention-aed8f30cef4221d4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_flash_attention_causal ... ok
[INFO] [stdout] test tests::test_flash_attention_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/numerical_correctness.rs (/opt/rustwide/target/debug/deps/numerical_correctness-6c67d98fa8b9c81b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_identity_values ... ok
[INFO] [stdout] test test_numerical_correctness_small ... ok
[INFO] [stdout] test test_attention_output_properties ... ok
[INFO] [stdout] test test_numerical_correctness_different_seq_lengths ... ok
[INFO] [stdout] test test_numerical_correctness_causal ... ok
[INFO] [stdout] test test_numerical_correctness_custom_scale ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests burn_attention
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6afebce6ff19e5f4afa162d7fc2351f8ab9370aa20439531c852929b7dac9b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afebce6ff19e5f4afa162d7fc2351f8ab9370aa20439531c852929b7dac9b44", kill_on_drop: false }`
[INFO] [stdout] 6afebce6ff19e5f4afa162d7fc2351f8ab9370aa20439531c852929b7dac9b44
