[INFO] fetching crate burn-train 0.20.0-pre.4...
[INFO] checking burn-train-0.20.0-pre.4 against master#da2544bfbe84df7b24d83c029c74299ebf6112c6 for pr-149681
[INFO] extracting crate burn-train 0.20.0-pre.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate burn-train 0.20.0-pre.4
[INFO] finished tweaking crates.io crate burn-train 0.20.0-pre.4
[INFO] tweaked toml for crates.io crate burn-train 0.20.0-pre.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn-train 0.20.0-pre.4 on toolchain da2544bfbe84df7b24d83c029c74299ebf6112c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn-train 0.20.0-pre.4 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" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded systemstat v0.2.5
[INFO] [stderr]   Downloaded cubecl-quant v0.9.0-pre.4
[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.9.0
[INFO] [stderr]   Downloaded macerator-macros v0.1.3
[INFO] [stderr]   Downloaded atomic_float v1.1.0
[INFO] [stderr]   Downloaded moddef v0.3.0
[INFO] [stderr]   Downloaded macerator v0.2.9
[INFO] [stderr]   Downloaded burn-ir v0.20.0-pre.4
[INFO] [stderr]   Downloaded float8 v0.4.2
[INFO] [stderr]   Downloaded burn-ndarray v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-autodiff v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-dataset v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-core v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-optim v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-collective v0.20.0-pre.4
[INFO] [stderr]   Downloaded cubecl-common v0.9.0-pre.4
[INFO] [stderr]   Downloaded nvml-wrapper v0.11.0
[INFO] [stderr]   Downloaded burn-tensor v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-std v0.20.0-pre.4
[INFO] [stderr]   Downloaded tokio-tungstenite v0.28.0
[INFO] [stderr]   Downloaded burn-communication v0.20.0-pre.4
[INFO] [stderr]   Downloaded ndarray v0.17.1
[INFO] [stderr]   Downloaded burn-derive v0.20.0-pre.4
[INFO] [stderr]   Downloaded burn-backend v0.20.0-pre.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e883e888b664b87755cd2ae6194d001474bc39ac1ddccb4e1912a0f82ea12eb
[INFO] running `Command { std: "docker" "start" "-a" "0e883e888b664b87755cd2ae6194d001474bc39ac1ddccb4e1912a0f82ea12eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e883e888b664b87755cd2ae6194d001474bc39ac1ddccb4e1912a0f82ea12eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e883e888b664b87755cd2ae6194d001474bc39ac1ddccb4e1912a0f82ea12eb", kill_on_drop: false }`
[INFO] [stdout] 0e883e888b664b87755cd2ae6194d001474bc39ac1ddccb4e1912a0f82ea12eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92849950fbe70b0f7a2a58398a399b1118678610f71b6a6a2a79ff9214ec94a9
[INFO] running `Command { std: "docker" "start" "-a" "92849950fbe70b0f7a2a58398a399b1118678610f71b6a6a2a79ff9214ec94a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling cubecl-common v0.9.0-pre.4
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking embassy-futures v0.1.2
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]    Compiling macerator v0.2.9
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking moddef v0.3.0
[INFO] [stderr]    Compiling burn-ndarray v0.20.0-pre.4
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking nvml-wrapper-sys v0.9.0
[INFO] [stderr]     Checking ndarray v0.17.1
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking atomic_float v1.1.0
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking bytesize v1.3.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking sysinfo v0.37.2
[INFO] [stderr]     Checking systemstat v0.2.5
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking sanitize-filename v0.6.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zerocopy-derive v0.8.30
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling burn-derive v0.20.0-pre.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking tracing-appender v0.2.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling macerator-macros v0.1.3
[INFO] [stderr]    Compiling wrapcenum-derive v0.4.1
[INFO] [stderr]     Checking rstest v0.26.1
[INFO] [stderr]     Checking nvml-wrapper v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ratatui v0.29.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking float8 v0.4.2
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking burn-dataset v0.20.0-pre.4
[INFO] [stderr]     Checking cubecl-quant v0.9.0-pre.4
[INFO] [stderr]     Checking burn-std v0.20.0-pre.4
[INFO] [stderr]     Checking burn-backend v0.20.0-pre.4
[INFO] [stderr]     Checking burn-tensor v0.20.0-pre.4
[INFO] [stderr]     Checking burn-autodiff v0.20.0-pre.4
[INFO] [stderr]     Checking burn-core v0.20.0-pre.4
[INFO] [stderr]     Checking burn-ir v0.20.0-pre.4
[INFO] [stderr]     Checking burn-optim v0.20.0-pre.4
[INFO] [stderr]     Checking burn-train v0.20.0-pre.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.06s
[INFO] running `Command { std: "docker" "inspect" "92849950fbe70b0f7a2a58398a399b1118678610f71b6a6a2a79ff9214ec94a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92849950fbe70b0f7a2a58398a399b1118678610f71b6a6a2a79ff9214ec94a9", kill_on_drop: false }`
[INFO] [stdout] 92849950fbe70b0f7a2a58398a399b1118678610f71b6a6a2a79ff9214ec94a9