[INFO] fetching crate burn-train 0.21.0-pre.2...
[INFO] checking burn-train-0.21.0-pre.2 against master#4cf5f9580233c36f6bc8db76e282ba8a1c1ea491 for pr-154585
[INFO] extracting crate burn-train 0.21.0-pre.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate burn-train 0.21.0-pre.2
[INFO] finished tweaking crates.io crate burn-train 0.21.0-pre.2
[INFO] tweaked toml for crates.io crate burn-train 0.21.0-pre.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn-train 0.21.0-pre.2 on toolchain 4cf5f9580233c36f6bc8db76e282ba8a1c1ea491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn-train 0.21.0-pre.2 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" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded instability v0.3.11
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[INFO] [stderr]   Downloaded burn-cuda v0.21.0-pre.2
[INFO] [stderr]   Downloaded cubek-quant v0.2.0-pre.2
[INFO] [stderr]   Downloaded burn-rocm v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-derive v0.21.0-pre.2
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[INFO] [stderr]   Downloaded burn-communication v0.21.0-pre.2
[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.9.0
[INFO] [stderr]   Downloaded burn-remote v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-wgpu v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-rl v0.21.0-pre.2
[INFO] [stderr]   Downloaded cubek-random v0.2.0-pre.2
[INFO] [stderr]   Downloaded uuid v1.21.0
[INFO] [stderr]   Downloaded burn-collective v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-router v0.21.0-pre.2
[INFO] [stderr]   Downloaded cubek-reduce v0.2.0-pre.2
[INFO] [stderr]   Downloaded cubek-attention v0.2.0-pre.2
[INFO] [stderr]   Downloaded cubek-convolution v0.2.0-pre.2
[INFO] [stderr]   Downloaded burn-optim v0.21.0-pre.2
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[INFO] [stderr]   Downloaded burn-ndarray v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-dataset v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-cubecl-fusion v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-nn v0.21.0-pre.2
[INFO] [stderr]   Downloaded ratatui-core v0.1.0
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[INFO] [stderr]   Downloaded cubek-matmul v0.2.0-pre.2
[INFO] [stderr]   Downloaded png v0.18.1
[INFO] [stderr]   Downloaded torch-sys v0.22.0
[INFO] [stderr]   Downloaded lzma-rust2 v0.16.2
[INFO] [stderr]   Downloaded burn-store v0.21.0-pre.2
[INFO] [stderr]   Downloaded zip v8.1.0
[INFO] [stderr]   Downloaded ureq v2.12.1
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.12
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[INFO] [stderr]   Downloaded termwiz v0.23.3
[INFO] [stderr]   Downloaded burn-cubecl v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-vision v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-core v0.21.0-pre.2
[INFO] [stderr]   Downloaded nvml-wrapper v0.12.0
[INFO] [stderr]   Downloaded fancy-regex v0.11.0
[INFO] [stderr]   Downloaded bon-macros v3.9.0
[INFO] [stderr]   Downloaded burn-fusion v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-ir v0.21.0-pre.2
[INFO] [stderr]   Downloaded burn-autodiff v0.21.0-pre.2
[INFO] [stderr]   Downloaded zune-jpeg v0.5.12
[INFO] [stderr]   Downloaded libbz2-rs-sys v0.2.2
[INFO] [stderr]   Downloaded finl_unicode v1.4.0
[INFO] [stderr]   Downloaded burn-tch v0.21.0-pre.2
[INFO] [stderr]   Downloaded indicatif v0.18.4
[INFO] [stderr]   Downloaded bon v3.9.0
[INFO] [stderr]   Downloaded safetensors v0.3.3
[INFO] [stderr]   Downloaded textdistance v1.1.1
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[INFO] [stderr]   Downloaded cubek v0.2.0-pre.2
[INFO] [stderr]   Downloaded deltae v0.3.2
[INFO] [stderr]   Downloaded tch v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3dd4d2701bfb67c7eab0c28ed70e31c6c4be67af33cc7dd1b995c2c9be153f3
[INFO] running `Command { std: "docker" "start" "-a" "b3dd4d2701bfb67c7eab0c28ed70e31c6c4be67af33cc7dd1b995c2c9be153f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3dd4d2701bfb67c7eab0c28ed70e31c6c4be67af33cc7dd1b995c2c9be153f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dd4d2701bfb67c7eab0c28ed70e31c6c4be67af33cc7dd1b995c2c9be153f3", kill_on_drop: false }`
[INFO] [stdout] b3dd4d2701bfb67c7eab0c28ed70e31c6c4be67af33cc7dd1b995c2c9be153f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+4cf5f9580233c36f6bc8db76e282ba8a1c1ea491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9204a0787a34ca2c1585d3df0fe6c1d3de8bcdf45419f95d20a951fdedc75aa2
[INFO] running `Command { std: "docker" "start" "-a" "9204a0787a34ca2c1585d3df0fe6c1d3de8bcdf45419f95d20a951fdedc75aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]    Compiling cubecl-common v0.10.0-pre.2
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling lock_api v0.4.14
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[INFO] [stderr]    Compiling spin v0.10.0
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[INFO] [stderr]    Compiling cubecl-runtime v0.10.0-pre.2
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]    Compiling cubecl-macros v0.10.0-pre.2
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking md5 v0.8.0
[INFO] [stderr]    Compiling cubecl v0.10.0-pre.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling instability v0.3.11
[INFO] [stderr]     Checking unicode-truncate v2.0.1
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[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking rand_distr v0.6.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking colored v3.1.1
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]    Compiling rstest_macros v0.26.1
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[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]     Checking uuid v1.21.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling burn-ndarray v0.21.0-pre.2
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]     Checking moddef v0.3.0
[INFO] [stderr]    Compiling relative-path v1.9.3
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[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking systemstat v0.2.6
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[INFO] [stderr]     Checking bitflags v2.11.0
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[INFO] [stderr]     Checking serde_spanned v1.0.4
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[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking line-clipping v0.3.5
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking ndarray v0.17.2
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking toml v0.9.12+spec-1.1.0
[INFO] [stderr]     Checking lru v0.16.3
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[INFO] [stderr]     Checking sanitize-filename v0.6.0
[INFO] [stderr]     Checking tempfile v3.26.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling burn-derive v0.21.0-pre.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking kasuari v0.4.11
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]     Checking strum v0.28.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling macerator-macros v0.1.4
[INFO] [stderr]    Compiling wrapcenum-derive v0.4.1
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling cubecl-macros-internal v0.10.0-pre.2
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking ratatui-core v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]     Checking nvml-wrapper v0.12.0
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking ratatui-widgets v0.3.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking enumset v1.1.10
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking cubecl-zspace v0.10.0-pre.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking burn-dataset v0.21.0-pre.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking ratatui-macros v0.7.0
[INFO] [stderr]     Checking rstest v0.26.1
[INFO] [stderr]     Checking ratatui-crossterm v0.1.0
[INFO] [stderr]     Checking tracing-appender v0.2.4
[INFO] [stderr]     Checking ratatui v0.30.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking float8 v0.7.0
[INFO] [stderr]     Checking cubecl-ir v0.10.0-pre.2
[INFO] [stderr]     Checking cubecl-core v0.10.0-pre.2
[INFO] [stderr]     Checking burn-std v0.21.0-pre.2
[INFO] [stderr]     Checking burn-backend v0.21.0-pre.2
[INFO] [stderr]     Checking burn-tensor v0.21.0-pre.2
[INFO] [stderr]     Checking burn-autodiff v0.21.0-pre.2
[INFO] [stderr]     Checking burn-ir v0.21.0-pre.2
[INFO] [stderr]     Checking burn-core v0.21.0-pre.2
[INFO] [stderr]     Checking burn-optim v0.21.0-pre.2
[INFO] [stderr]     Checking burn-rl v0.21.0-pre.2
[INFO] [stderr]     Checking burn-train v0.21.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "9204a0787a34ca2c1585d3df0fe6c1d3de8bcdf45419f95d20a951fdedc75aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9204a0787a34ca2c1585d3df0fe6c1d3de8bcdf45419f95d20a951fdedc75aa2", kill_on_drop: false }`
[INFO] [stdout] 9204a0787a34ca2c1585d3df0fe6c1d3de8bcdf45419f95d20a951fdedc75aa2