[INFO] fetching crate steegformer 0.1.0...
[INFO] testing steegformer-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate steegformer 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate steegformer 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate steegformer 0.1.0
[INFO] tweaked toml for crates.io crate steegformer 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate steegformer 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 steegformer 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] 96dc7eddc106e6e126df1ea77d9816f223f2b32a88c23ca1380028dd301daa4f
[INFO] running `Command { std: "docker" "start" "-a" "96dc7eddc106e6e126df1ea77d9816f223f2b32a88c23ca1380028dd301daa4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96dc7eddc106e6e126df1ea77d9816f223f2b32a88c23ca1380028dd301daa4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96dc7eddc106e6e126df1ea77d9816f223f2b32a88c23ca1380028dd301daa4f", kill_on_drop: false }`
[INFO] [stdout] 96dc7eddc106e6e126df1ea77d9816f223f2b32a88c23ca1380028dd301daa4f
[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] f08c0effcf8a4e31d54d0d5a0caa1deb37eb6d6754d582ed6d9800ea0d508cdb
[INFO] running `Command { std: "docker" "start" "-a" "f08c0effcf8a4e31d54d0d5a0caa1deb37eb6d6754d582ed6d9800ea0d508cdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
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[INFO] [stderr]    Compiling burn-std v0.20.1
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[INFO] [stderr]    Compiling burn v0.20.1
[INFO] [stderr]    Compiling steegformer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.87s
[INFO] running `Command { std: "docker" "inspect" "f08c0effcf8a4e31d54d0d5a0caa1deb37eb6d6754d582ed6d9800ea0d508cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08c0effcf8a4e31d54d0d5a0caa1deb37eb6d6754d582ed6d9800ea0d508cdb", kill_on_drop: false }`
[INFO] [stdout] f08c0effcf8a4e31d54d0d5a0caa1deb37eb6d6754d582ed6d9800ea0d508cdb
[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] 2847d427253746dd2762eb2c76b7457d5ec2780c3c0258bc8271401880e04c95
[INFO] running `Command { std: "docker" "start" "-a" "2847d427253746dd2762eb2c76b7457d5ec2780c3c0258bc8271401880e04c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling steegformer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `steegformer::model::cpu_fused`
[INFO] [stdout]   --> examples/benchmark_fused.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use steegformer::model::cpu_fused::{
[INFO] [stdout]    |                         ^^^^^^^^^ could not find `cpu_fused` in `model`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/model/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(feature = "blas-accelerate")]
[INFO] [stdout]    |       --------------------------- the item is gated behind the `blas-accelerate` feature
[INFO] [stdout] 14 | pub mod cpu_fused;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_err`
[INFO] [stdout]    --> tests/python_parity.rs:111:16
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let (rmse, max_err, pearson) = compare_tensors("patch_embed", &rust_data, py_data, 1e-5, 1e-4);
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_err`
[INFO] [stdout]    --> tests/python_parity.rs:299:20
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let (rmse, max_err, pearson) = compare_tensors("after_block_0", &rust_data, py_data, 1e-4, 1e-3);
[INFO] [stdout]     |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steegformer` (example "benchmark_fused") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `burn::prelude`
[INFO] [stdout]   --> examples/benchmark.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use burn::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch_names`
[INFO] [stdout]    --> examples/benchmark.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let ch_names: Vec<&str> = channel_vocab::CHANNEL_VOCAB[..nc].to_vec();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ch_names`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2847d427253746dd2762eb2c76b7457d5ec2780c3c0258bc8271401880e04c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2847d427253746dd2762eb2c76b7457d5ec2780c3c0258bc8271401880e04c95", kill_on_drop: false }`
[INFO] [stdout] 2847d427253746dd2762eb2c76b7457d5ec2780c3c0258bc8271401880e04c95
