[INFO] fetching crate burn-train 0.14.0...
[INFO] checking burn-train-0.14.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate burn-train 0.14.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate burn-train 0.14.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate burn-train 0.14.0
[INFO] finished tweaking crates.io crate burn-train 0.14.0
[INFO] tweaked toml for crates.io crate burn-train 0.14.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 308 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding candle-core v0.6.0 (available: v0.7.1)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (available: v0.2.1)
[INFO] [stderr]       Adding compact_str v0.7.1 (available: v0.8.0)
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding core-graphics-types v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding crossterm v0.27.0 (available: v0.28.1)
[INFO] [stderr]       Adding cudarc v0.11.5 (available: v0.11.9)
[INFO] [stderr]       Adding derive-new v0.6.0 (available: v0.7.0)
[INFO] [stderr]       Adding gemm v0.17.1 (available: v0.18.0)
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[INFO] [stderr]       Adding gemm-c64 v0.17.1 (available: v0.18.0)
[INFO] [stderr]       Adding gemm-common v0.17.1 (available: v0.18.0)
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[INFO] [stderr]       Adding glow v0.13.1 (available: v0.14.1)
[INFO] [stderr]       Adding gpu-allocator v0.26.0 (available: v0.27.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding jni-sys v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding malloc_buf v0.0.6 (available: v1.0.0)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.0.2)
[INFO] [stderr]       Adding ndk-sys v0.5.0+25.2.9519653 (available: v0.6.0+11769913)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding ratatui v0.26.3 (available: v0.28.1)
[INFO] [stderr]       Adding raw-cpuid v10.7.0 (available: v11.1.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding sysctl v0.5.5 (available: v0.6.0)
[INFO] [stderr]       Adding sysinfo v0.30.13 (available: v0.31.4)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding zip v1.1.4 (available: v2.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0865e10843da02331f239f275fd9f5442c95e878174f53c2bcaa1d9609ff2d9
[INFO] running `Command { std: "docker" "start" "-a" "a0865e10843da02331f239f275fd9f5442c95e878174f53c2bcaa1d9609ff2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0865e10843da02331f239f275fd9f5442c95e878174f53c2bcaa1d9609ff2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0865e10843da02331f239f275fd9f5442c95e878174f53c2bcaa1d9609ff2d9", kill_on_drop: false }`
[INFO] [stdout] a0865e10843da02331f239f275fd9f5442c95e878174f53c2bcaa1d9609ff2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8866ae82e46d5cdcbffe2da0f0409efd44f1781cbfe9bda80d7b008ab944bf73
[INFO] running `Command { std: "docker" "start" "-a" "8866ae82e46d5cdcbffe2da0f0409efd44f1781cbfe9bda80d7b008ab944bf73", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling portable-atomic v1.8.0
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nvml-wrapper-sys v0.8.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking bytesize v1.3.0
[INFO] [stderr]    Compiling burn-ndarray v0.14.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking crossterm v0.27.0
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[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking systemstat v0.2.3
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking sysinfo v0.30.13
[INFO] [stderr]     Checking sanitize-filename v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]    Compiling bytemuck_derive v1.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling stability v0.2.1
[INFO] [stderr]    Compiling burn-derive v0.14.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling wrapcenum-derive v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nvml-wrapper v0.10.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking cubecl-common v0.2.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking bincode v2.0.0-rc.3
[INFO] [stderr]     Checking burn-common v0.14.0
[INFO] [stderr]     Checking burn-tensor v0.14.0
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]     Checking ratatui v0.26.3
[INFO] [stderr]     Checking burn-dataset v0.14.0
[INFO] [stderr]     Checking burn-core v0.14.0
[INFO] [stderr]     Checking burn-autodiff v0.14.0
[INFO] [stderr]     Checking burn-train v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/metric/base.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fake() -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.23s
[INFO] running `Command { std: "docker" "inspect" "8866ae82e46d5cdcbffe2da0f0409efd44f1781cbfe9bda80d7b008ab944bf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8866ae82e46d5cdcbffe2da0f0409efd44f1781cbfe9bda80d7b008ab944bf73", kill_on_drop: false }`
[INFO] [stdout] 8866ae82e46d5cdcbffe2da0f0409efd44f1781cbfe9bda80d7b008ab944bf73