[INFO] fetching crate flashlight 0.0.12...
[INFO] testing flashlight-0.0.12 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate flashlight 0.0.12 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate flashlight 0.0.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flashlight 0.0.12
[INFO] tweaked toml for crates.io crate flashlight 0.0.12 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flashlight 0.0.12 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flashlight 0.0.12 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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee0c1e707bddc9989967bd3cb2846fe9ff8ea9c35b307dbcb58789d6f1a85820
[INFO] running `Command { std: "docker" "start" "-a" "ee0c1e707bddc9989967bd3cb2846fe9ff8ea9c35b307dbcb58789d6f1a85820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0c1e707bddc9989967bd3cb2846fe9ff8ea9c35b307dbcb58789d6f1a85820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0c1e707bddc9989967bd3cb2846fe9ff8ea9c35b307dbcb58789d6f1a85820", kill_on_drop: false }`
[INFO] [stdout] ee0c1e707bddc9989967bd3cb2846fe9ff8ea9c35b307dbcb58789d6f1a85820
[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=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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d58821f93d21d6943001da784c7df94e5bc713d0afc94b95cb6cf52d7b72b62
[INFO] running `Command { std: "docker" "start" "-a" "4d58821f93d21d6943001da784c7df94e5bc713d0afc94b95cb6cf52d7b72b62", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling naga v25.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling wgpu-hal v25.0.2
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling profiling v1.0.17
[INFO] [stderr]    Compiling glow v0.16.0
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling wgpu-core v25.0.2
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling wgpu v25.0.2
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling wgpu-types v25.0.0
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling wgpu-core-deps-windows-linux-android v25.0.0
[INFO] [stderr]    Compiling flashlight_tensor v0.4.5
[INFO] [stderr]    Compiling flashlight v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "4d58821f93d21d6943001da784c7df94e5bc713d0afc94b95cb6cf52d7b72b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d58821f93d21d6943001da784c7df94e5bc713d0afc94b95cb6cf52d7b72b62", kill_on_drop: false }`
[INFO] [stdout] 4d58821f93d21d6943001da784c7df94e5bc713d0afc94b95cb6cf52d7b72b62
[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=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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44941c9fb8eadf7da85075f2b2117cd68c2f460f7a457d46c9d851daf70d89a3
[INFO] running `Command { std: "docker" "start" "-a" "44941c9fb8eadf7da85075f2b2117cd68c2f460f7a457d46c9d851daf70d89a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling flashlight v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `Command { std: "docker" "inspect" "44941c9fb8eadf7da85075f2b2117cd68c2f460f7a457d46c9d851daf70d89a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44941c9fb8eadf7da85075f2b2117cd68c2f460f7a457d46c9d851daf70d89a3", kill_on_drop: false }`
[INFO] [stdout] 44941c9fb8eadf7da85075f2b2117cd68c2f460f7a457d46c9d851daf70d89a3
[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=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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02ef683853bb24e313b32ea2c3d9a1d8a264f54050f6c0dcc93696b02fb2bbbd
[INFO] running `Command { std: "docker" "start" "-a" "02ef683853bb24e313b32ea2c3d9a1d8a264f54050f6c0dcc93696b02fb2bbbd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flashlight-69ba96f9cd168d72)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flashlight
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/layers/linear.rs - layers::linear::Linear<B>::new (line 41) ... FAILED
[INFO] [stdout] test src/layers/dropout.rs - layers::dropout::Dropout::new (line 14) ... ok
[INFO] [stdout] test src/layers/dropout.rs - layers::dropout::Dropout::forward (line 31) ... ok
[INFO] [stdout] test src/math/propagation.rs - math::propagation::cross_entropy_cost (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/layers/linear.rs - layers::linear::Linear<B>::new (line 41) stdout ----
[INFO] [stdout] error[E0282]: type annotations needed for `flashlight::prelude::Linear<_>`
[INFO] [stdout]   --> src/layers/linear.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | let linear = Linear::new(2, 1, 0.1);
[INFO] [stdout]    |     ^^^^^^   ---------------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `linear` an explicit type, where the type for type parameter `B` is specified
[INFO] [stdout]    |
[INFO] [stdout] 45 | let linear: flashlight::prelude::Linear<B> = Linear::new(2, 1, 0.1);
[INFO] [stdout]    |           ++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/layers/linear.rs - layers::linear::Linear<B>::new (line 41)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.62s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.79s; merged doctests compilation took 0.17s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "02ef683853bb24e313b32ea2c3d9a1d8a264f54050f6c0dcc93696b02fb2bbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ef683853bb24e313b32ea2c3d9a1d8a264f54050f6c0dcc93696b02fb2bbbd", kill_on_drop: false }`
[INFO] [stdout] 02ef683853bb24e313b32ea2c3d9a1d8a264f54050f6c0dcc93696b02fb2bbbd
