[INFO] fetching crate flashlight 0.0.12...
[INFO] testing flashlight-0.0.12 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[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 db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43b72f1a582761d51d3a6c12c53ea4629ffd5eba8c9e178aa0749e68e5ffc48b
[INFO] running `Command { std: "docker" "start" "-a" "43b72f1a582761d51d3a6c12c53ea4629ffd5eba8c9e178aa0749e68e5ffc48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b72f1a582761d51d3a6c12c53ea4629ffd5eba8c9e178aa0749e68e5ffc48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b72f1a582761d51d3a6c12c53ea4629ffd5eba8c9e178aa0749e68e5ffc48b", kill_on_drop: false }`
[INFO] [stdout] 43b72f1a582761d51d3a6c12c53ea4629ffd5eba8c9e178aa0749e68e5ffc48b
[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" "-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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac95790aefb7bfb268318cb6fef4b2ef23f026ae3b22b911de7ac764d90fbb02
[INFO] running `Command { std: "docker" "start" "-a" "ac95790aefb7bfb268318cb6fef4b2ef23f026ae3b22b911de7ac764d90fbb02", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling naga v25.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling wgpu-hal v25.0.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[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 rand_chacha v0.9.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[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 strum v0.26.3
[INFO] [stderr]    Compiling wgpu-types v25.0.0
[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" "ac95790aefb7bfb268318cb6fef4b2ef23f026ae3b22b911de7ac764d90fbb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac95790aefb7bfb268318cb6fef4b2ef23f026ae3b22b911de7ac764d90fbb02", kill_on_drop: false }`
[INFO] [stdout] ac95790aefb7bfb268318cb6fef4b2ef23f026ae3b22b911de7ac764d90fbb02
[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" "-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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 204fedad4abf77a12eb80aeb11cb7158bd0d6ed2dc091858acbac8ccbf1b656c
[INFO] running `Command { std: "docker" "start" "-a" "204fedad4abf77a12eb80aeb11cb7158bd0d6ed2dc091858acbac8ccbf1b656c", kill_on_drop: false }`
[INFO] [stderr]    Compiling flashlight v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.55s
[INFO] running `Command { std: "docker" "inspect" "204fedad4abf77a12eb80aeb11cb7158bd0d6ed2dc091858acbac8ccbf1b656c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204fedad4abf77a12eb80aeb11cb7158bd0d6ed2dc091858acbac8ccbf1b656c", kill_on_drop: false }`
[INFO] [stdout] 204fedad4abf77a12eb80aeb11cb7158bd0d6ed2dc091858acbac8ccbf1b656c
[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" "-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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a33a8709281db5a3d8e61b6635e80bf8c12093f4aaabdf5a79bf88b173ab354
[INFO] running `Command { std: "docker" "start" "-a" "0a33a8709281db5a3d8e61b6635e80bf8c12093f4aaabdf5a79bf88b173ab354", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flashlight-7e13659e75e478a3)
[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::forward (line 31) ... ok
[INFO] [stdout] test src/layers/dropout.rs - layers::dropout::Dropout::new (line 14) ... 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 1.40s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.51s; merged doctests compilation took 0.11s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0a33a8709281db5a3d8e61b6635e80bf8c12093f4aaabdf5a79bf88b173ab354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a33a8709281db5a3d8e61b6635e80bf8c12093f4aaabdf5a79bf88b173ab354", kill_on_drop: false }`
[INFO] [stdout] 0a33a8709281db5a3d8e61b6635e80bf8c12093f4aaabdf5a79bf88b173ab354