[INFO] fetching crate rust_nn 0.1.0...
[INFO] testing rust_nn-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust_nn 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust_nn 0.1.0
[INFO] finished tweaking crates.io crate rust_nn 0.1.0
[INFO] tweaked toml for crates.io crate rust_nn 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_nn 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 404 packages to latest compatible versions
[INFO] [stderr]       Adding block-sys v0.1.0-beta.1 (available: v0.1.0-beta.2)
[INFO] [stderr]       Adding block2 v0.2.0-alpha.6 (available: v0.2.0)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.8.2)
[INFO] [stderr]       Adding eframe v0.22.0 (available: v0.34.1)
[INFO] [stderr]       Adding egui v0.22.0 (available: v0.34.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding objc-sys v0.2.0-beta.2 (available: v0.2.0-beta.3)
[INFO] [stderr]       Adding objc2 v0.3.0-beta.3.patch-leaks.3 (available: v0.3.0-beta.5)
[INFO] [stderr]       Adding objc2-encode v2.0.0-pre.2 (available: v2.0.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding zvariant_utils v1.0.1 (available: v1.1.1)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 65b14f7c9a08046d307c196572b564208cc7c4e5880cc387c9f598d8c816d5a9
[INFO] running `Command { std: "docker" "start" "-a" "65b14f7c9a08046d307c196572b564208cc7c4e5880cc387c9f598d8c816d5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65b14f7c9a08046d307c196572b564208cc7c4e5880cc387c9f598d8c816d5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b14f7c9a08046d307c196572b564208cc7c4e5880cc387c9f598d8c816d5a9", kill_on_drop: false }`
[INFO] [stdout] 65b14f7c9a08046d307c196572b564208cc7c4e5880cc387c9f598d8c816d5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 42f3b86b4b0a18703b9fe2c63eb85c678c0261123cdd9cb456beb08655cf7e0f
[INFO] running `Command { std: "docker" "start" "-a" "42f3b86b4b0a18703b9fe2c63eb85c678c0261123cdd9cb456beb08655cf7e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
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[INFO] [stderr]    Compiling arboard v3.6.1
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[INFO] [stderr]    Compiling egui-winit v0.22.0
[INFO] [stderr]    Compiling eframe v0.22.0
[INFO] [stderr]    Compiling rust_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 04s
[INFO] running `Command { std: "docker" "inspect" "42f3b86b4b0a18703b9fe2c63eb85c678c0261123cdd9cb456beb08655cf7e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f3b86b4b0a18703b9fe2c63eb85c678c0261123cdd9cb456beb08655cf7e0f", kill_on_drop: false }`
[INFO] [stdout] 42f3b86b4b0a18703b9fe2c63eb85c678c0261123cdd9cb456beb08655cf7e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f7910d26fcd2f04f6dda6d74c8fb6c5ce2a00a8e9228a7be4efb00584a01bc4b
[INFO] running `Command { std: "docker" "start" "-a" "f7910d26fcd2f04f6dda6d74c8fb6c5ce2a00a8e9228a7be4efb00584a01bc4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling async-executor v1.14.0
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[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling enumflags2 v0.7.12
[INFO] [stderr]    Compiling zvariant v3.15.2
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
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[INFO] [stderr]    Compiling ciborium-ll v0.2.2
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[INFO] [stderr]    Compiling egui-winit v0.22.0
[INFO] [stderr]    Compiling eframe v0.22.0
[INFO] [stderr]    Compiling rust_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "f7910d26fcd2f04f6dda6d74c8fb6c5ce2a00a8e9228a7be4efb00584a01bc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7910d26fcd2f04f6dda6d74c8fb6c5ce2a00a8e9228a7be4efb00584a01bc4b", kill_on_drop: false }`
[INFO] [stdout] f7910d26fcd2f04f6dda6d74c8fb6c5ce2a00a8e9228a7be4efb00584a01bc4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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", kill_on_drop: false }`
[INFO] [stdout] f82ac65d166d701caf1fd514f6b865056137ca39d5af0c5e6ea0e2319cd2e729
[INFO] running `Command { std: "docker" "start" "-a" "f82ac65d166d701caf1fd514f6b865056137ca39d5af0c5e6ea0e2319cd2e729", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_nn-a65d92404c39a318)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test matrix::ops::tests::matrix2_addition ... ok
[INFO] [stdout] test matrix::ops::tests::matrix2_transpose ... ok
[INFO] [stdout] test matrix::ops::tests::matrix_multiplication_error ... ok
[INFO] [stdout] test matrix::ops::tests::matrix2_addition_err ... ok
[INFO] [stdout] test matrix::tests::matrix2_from_vec_err ... ok
[INFO] [stdout] test matrix::ops::tests::square_matrix_multiplication ... ok
[INFO] [stdout] test matrix::tests::access_matrix2_from_array ... ok
[INFO] [stdout] test matrix::tests::shuffle_rows ... ok
[INFO] [stdout] test matrix::tests::matrix2_apply ... ok
[INFO] [stdout] test neural::tests::randomize ... ok
[INFO] [stdout] test matrix::ops::tests::non_square_matrix_multiplication ... ok
[INFO] [stdout] test neural::tests::activation_function ... ok
[INFO] [stdout] test neural::tests::dense_layer ... ok
[INFO] [stdout] test matrix::tests::matrix2_from_vec ... ok
[INFO] [stdout] test neural::tests::train_or ... ok
[INFO] [stdout] test neural::tests::train_xor ... ok
[INFO] [stderr]    Doc-tests rust_nn
[INFO] [stdout] test neural::tests::train_xor_batched ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "f82ac65d166d701caf1fd514f6b865056137ca39d5af0c5e6ea0e2319cd2e729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82ac65d166d701caf1fd514f6b865056137ca39d5af0c5e6ea0e2319cd2e729", kill_on_drop: false }`
[INFO] [stdout] f82ac65d166d701caf1fd514f6b865056137ca39d5af0c5e6ea0e2319cd2e729
