[INFO] cloning repository https://github.com/richardanaya/burn-gpt2-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardanaya/burn-gpt2-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fburn-gpt2-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fburn-gpt2-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1f3f082368b7abf4b3d7ba456f9bfc1c0c84682
[INFO] checking richardanaya/burn-gpt2-from-scratch against 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9 for pr-160391-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fburn-gpt2-from-scratch" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richardanaya/burn-gpt2-from-scratch
[INFO] finished tweaking git repo https://github.com/richardanaya/burn-gpt2-from-scratch
[INFO] tweaked toml for git repo https://github.com/richardanaya/burn-gpt2-from-scratch written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richardanaya/burn-gpt2-from-scratch on toolchain 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/richardanaya/burn-gpt2-from-scratch 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" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964
[INFO] running `Command { std: "docker" "start" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling darling_macro v0.20.11
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[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling rustix v0.38.44
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[INFO] [stderr]     Checking rmp v0.8.14
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[INFO] [stderr]    Compiling strum_macros v0.27.2
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[INFO] [stderr]    Compiling macerator v0.2.9
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[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]     Checking time v0.3.43
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling half v2.6.0
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[INFO] [stderr]     Checking spirv v0.3.0+sdk-1.3.268.0
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[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking cubecl-ir v0.6.0
[INFO] [stderr]     Checking burn-common v0.18.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking csv v1.3.1
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[INFO] [stderr]    Compiling onig_sys v69.9.1
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[INFO] [stderr]     Checking strum v0.27.2
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[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking tempfile v3.22.0
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[INFO] [stderr]     Checking thread_local v1.1.9
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[INFO] [stderr]     Checking slab v0.4.11
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[INFO] [stderr]    Compiling burn-ndarray v0.18.0
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[INFO] [stderr]    Compiling relative-path v1.9.3
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[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking pin-utils v0.1.0
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[INFO] [stderr]     Checking anstyle-parse v0.2.7
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[INFO] [stderr]     Checking bincode v2.0.1
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[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking burn-dataset v0.18.0
[INFO] [stderr]     Checking cubecl-core v0.6.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking text_placeholder v0.5.1
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling esaxx-rs v0.1.10
[INFO] [stderr]    Compiling burn-derive v0.18.0
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[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking uuid v1.18.1
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[INFO] [stderr]     Checking cubecl-std v0.6.0
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[INFO] [stderr]     Checking ratatui v0.29.0
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[INFO] [stderr]     Checking nom v7.1.3
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[INFO] [stderr]     Checking cubecl-random v0.6.0
[INFO] [stderr]     Checking cubecl-reduce v0.6.0
[INFO] [stderr]    Compiling simsimd v6.5.3
[INFO] [stderr]    Compiling monostate-impl v0.1.14
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking macro_rules_attribute v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.47
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking dary_heap v0.3.7
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[INFO] [stderr]     Checking rayon-cond v0.4.0
[INFO] [stderr]     Checking onig v6.5.1
[INFO] [stderr]     Checking spm_precompiled v0.1.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking unicode-normalization-alignments v0.1.12
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokenizers v0.22.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking wgpu-core-deps-windows-linux-android v25.0.0
[INFO] [stderr]     Checking cubecl-convolution v0.6.0
[INFO] [stderr]     Checking cubecl v0.6.0
[INFO] [stderr]     Checking burn-tensor v0.18.0
[INFO] [stderr]     Checking burn-ir v0.18.0
[INFO] [stderr]     Checking burn-autodiff v0.18.0
[INFO] [stderr]     Checking burn-core v0.18.0
[INFO] [stderr]     Checking burn-cubecl v0.18.0
[INFO] [stderr]     Checking burn-wgpu v0.18.0
[INFO] [stderr]     Checking burn-train v0.18.0
[INFO] [stderr]     Checking burn v0.18.0
[INFO] [stderr]     Checking burn-gpt2-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: overflow evaluating the requirement `TextBatch<Autodiff<CubeBackend<WgpuRuntime, f32, i32, u32>>>: Send`
[INFO] [stdout]    --> src/main.rs:393:33
[INFO] [stdout]     |
[INFO] [stdout] 393 |     let model_trained = learner.fit(dataloader_train, dataloader_valid);
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: which requires `burn::tensor::Tensor<Autodiff<CubeBackend<WgpuRuntime, f32, i32, u32>>, 2, burn::tensor::Int>: Send`
[INFO] [stdout]     = note: which requires `CubeTensor<WgpuRuntime>: Send`
[INFO] [stdout]     = note: which requires `cubecl_runtime::client::ComputeClient<cubecl_wgpu::compute::server::WgpuServer, cubecl_runtime::channel::mutex::MutexComputeChannel<cubecl_wgpu::compute::server::WgpuServer>>: Send`
[INFO] [stdout]     = note: which requires `cubecl_runtime::channel::mutex::MutexComputeChannel<cubecl_wgpu::compute::server::WgpuServer>: Send`
[INFO] [stdout]     = note: which requires `Arc<spin::mutex::Mutex<cubecl_wgpu::compute::server::WgpuServer>>: Send`
[INFO] [stdout]     = note: which requires `spin::mutex::Mutex<cubecl_wgpu::compute::server::WgpuServer>: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::server::WgpuServer: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::stream::WgpuStream: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::stream::Timings: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::timings::QueryProfiler: Send`
[INFO] [stdout]     = note: which requires `hashbrown::map::HashMap<u64, cubecl_wgpu::compute::timings::QuerySetItem>: Send`
[INFO] [stdout]     = note: which requires `hashbrown::raw::RawTable<(u64, cubecl_wgpu::compute::timings::QuerySetItem)>: Send`
[INFO] [stdout]     = note: which requires `(u64, cubecl_wgpu::compute::timings::QuerySetItem): Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::timings::QuerySetItem: Send`
[INFO] [stdout]     = note: which requires `wgpu::api::query_set::QuerySet: Send`
[INFO] [stdout]     = note: and so on...
[INFO] [stdout]     = help: consider adding a manual `impl` of auto traits like `Send` for intermediate types, if auto traits are involved
[INFO] [stdout]     = help: or consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`burn_gpt2_from_scratch`)
[INFO] [stdout]     = note: this lint is attached to the whole crate and can't be disabled on a per-function basis
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #159228 <https://github.com/rust-lang/rust/issues/159228>
[INFO] [stdout]     = note: `#[warn(recursion_depth_exceeding_limit)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: overflow evaluating the requirement `TextBatch<Autodiff<CubeBackend<WgpuRuntime, f32, i32, u32>>>: Send`
[INFO] [stdout]    --> src/main.rs:393:33
[INFO] [stdout]     |
[INFO] [stdout] 393 |     let model_trained = learner.fit(dataloader_train, dataloader_valid);
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: which requires `burn::tensor::Tensor<Autodiff<CubeBackend<WgpuRuntime, f32, i32, u32>>, 2, burn::tensor::Int>: Send`
[INFO] [stdout]     = note: which requires `CubeTensor<WgpuRuntime>: Send`
[INFO] [stdout]     = note: which requires `cubecl_runtime::client::ComputeClient<cubecl_wgpu::compute::server::WgpuServer, cubecl_runtime::channel::mutex::MutexComputeChannel<cubecl_wgpu::compute::server::WgpuServer>>: Send`
[INFO] [stdout]     = note: which requires `cubecl_runtime::channel::mutex::MutexComputeChannel<cubecl_wgpu::compute::server::WgpuServer>: Send`
[INFO] [stdout]     = note: which requires `Arc<spin::mutex::Mutex<cubecl_wgpu::compute::server::WgpuServer>>: Send`
[INFO] [stdout]     = note: which requires `spin::mutex::Mutex<cubecl_wgpu::compute::server::WgpuServer>: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::server::WgpuServer: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::stream::WgpuStream: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::stream::Timings: Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::timings::QueryProfiler: Send`
[INFO] [stdout]     = note: which requires `hashbrown::map::HashMap<u64, cubecl_wgpu::compute::timings::QuerySetItem>: Send`
[INFO] [stdout]     = note: which requires `hashbrown::raw::RawTable<(u64, cubecl_wgpu::compute::timings::QuerySetItem)>: Send`
[INFO] [stdout]     = note: which requires `(u64, cubecl_wgpu::compute::timings::QuerySetItem): Send`
[INFO] [stdout]     = note: which requires `cubecl_wgpu::compute::timings::QuerySetItem: Send`
[INFO] [stdout]     = note: which requires `wgpu::api::query_set::QuerySet: Send`
[INFO] [stdout]     = note: and so on...
[INFO] [stdout]     = help: consider adding a manual `impl` of auto traits like `Send` for intermediate types, if auto traits are involved
[INFO] [stdout]     = help: or consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`burn_gpt2_from_scratch`)
[INFO] [stdout]     = note: this lint is attached to the whole crate and can't be disabled on a per-function basis
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #159228 <https://github.com/rust-lang/rust/issues/159228>
[INFO] [stdout]     = note: `#[warn(recursion_depth_exceeding_limit)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `clap`
[INFO] [stderr]   --> Cargo.toml:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | [dependencies.clap]
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `clap`
[INFO] [stderr] warning: unused dependency `simsimd`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | simsimd = "6.5.3"
[INFO] [stderr]   | ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `simsimd`
[INFO] [stderr] warning: unused dependency `tokio`
[INFO] [stderr]   --> Cargo.toml:23:15
[INFO] [stderr]    |
[INFO] [stderr] 23 | [dependencies.tokio]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tokio`
[INFO] [stderr] warning: `burn-gpt2-from-scratch` (manifest) generated 3 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 04s
[INFO] running `Command { std: "docker" "inspect" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964", kill_on_drop: false }`
[INFO] [stdout] cd8608d665e3a24f0a2d57d0499d33b42116aa605884155e1c10052ab253e964
