[INFO] cloning repository https://github.com/kaae-2/neural-net-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaae-2/neural-net-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaae-2%2Fneural-net-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaae-2%2Fneural-net-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 173e179d34cbc28762202ae3ce1f46dec7832eb5
[INFO] testing kaae-2/neural-net-rs against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaae-2%2Fneural-net-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaae-2/neural-net-rs
[INFO] finished tweaking git repo https://github.com/kaae-2/neural-net-rs
[INFO] tweaked toml for git repo https://github.com/kaae-2/neural-net-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaae-2/neural-net-rs on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kaae-2/neural-net-rs 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d98219663408c806895ed127dadd6edf9bbe0a42ab34759577baed474fc4abb0
[INFO] running `Command { std: "docker" "start" "-a" "d98219663408c806895ed127dadd6edf9bbe0a42ab34759577baed474fc4abb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d98219663408c806895ed127dadd6edf9bbe0a42ab34759577baed474fc4abb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98219663408c806895ed127dadd6edf9bbe0a42ab34759577baed474fc4abb0", kill_on_drop: false }`
[INFO] [stdout] d98219663408c806895ed127dadd6edf9bbe0a42ab34759577baed474fc4abb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b524fbb3fbbd0af4500e203dbe215f3dd04baf54eb19f084818de554361d99f2
[INFO] running `Command { std: "docker" "start" "-a" "b524fbb3fbbd0af4500e203dbe215f3dd04baf54eb19f084818de554361d99f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.62
[INFO] [stderr]    Compiling cc v1.1.28
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling dot-structures v0.1.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]    Compiling into-attr v0.1.1
[INFO] [stderr]    Compiling rustls-pki-types v1.9.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling into-attr-derive v0.2.1
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling impl_ops v0.1.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling pest v2.7.11
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling pest_meta v2.7.11
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling pest_generator v2.7.11
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling pest_derive v2.7.11
[INFO] [stderr]    Compiling graphviz-rust v0.9.0
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.9
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.8
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.83s
[INFO] running `Command { std: "docker" "inspect" "b524fbb3fbbd0af4500e203dbe215f3dd04baf54eb19f084818de554361d99f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b524fbb3fbbd0af4500e203dbe215f3dd04baf54eb19f084818de554361d99f2", kill_on_drop: false }`
[INFO] [stdout] b524fbb3fbbd0af4500e203dbe215f3dd04baf54eb19f084818de554361d99f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1040717e646c23709e78b65bc9f4a2f98fb686961a263850f00d753efc4520e
[INFO] running `Command { std: "docker" "start" "-a" "f1040717e646c23709e78b65bc9f4a2f98fb686961a263850f00d753efc4520e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]   --> examples/c01-2_tokenizer_shakespeare.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let decoded = encoder.decode(encoded)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "f1040717e646c23709e78b65bc9f4a2f98fb686961a263850f00d753efc4520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1040717e646c23709e78b65bc9f4a2f98fb686961a263850f00d753efc4520e", kill_on_drop: false }`
[INFO] [stdout] f1040717e646c23709e78b65bc9f4a2f98fb686961a263850f00d753efc4520e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3209002e2a32ad5a8f1e44d3f5bd7d4cce6391b7a6c46c96ac3f0d1edfbcb620
[INFO] running `Command { std: "docker" "start" "-a" "3209002e2a32ad5a8f1e44d3f5bd7d4cce6391b7a6c46c96ac3f0d1edfbcb620", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused variable: `decoded`
[INFO] [stderr]   --> examples/c01-2_tokenizer_shakespeare.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let decoded = encoder.decode(encoded)?;
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `neural-net` (example "c01-2_tokenizer_shakespeare") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neural_net-acb8e408d489f6f5)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test micrograd::engine::tests::sanity_check_div ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_sub ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_add_assign ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_add ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_mul_assign ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_backprop ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_relu ... ok
[INFO] [stdout] test micrograd::neural_net::tests::sanity_check_mlp_parameters ... ok
[INFO] [stdout] test micrograd::neural_net::tests::sanity_check_neuron ... ok
[INFO] [stdout] test micrograd::neural_net::tests::sanity_check_neuron_forward ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_mul ... ok
[INFO] [stdout] test micrograd::neural_net::tests::sanity_check_mlp_forward ... ok
[INFO] [stdout] test micrograd::neural_net::tests::test_layer_parameters ... ok
[INFO] [stdout] test micrograd::visualize::tests::test_draw_dots ... ok
[INFO] [stdout] test transformer::tokenizer::tests::test_bpe_decode ... ok
[INFO] [stdout] test transformer::tokenizer::tests::test_bpe_to_utf8 ... ok
[INFO] [stdout] test transformer::tokenizer::tests::test_bpe_encode ... ok
[INFO] [stdout] test transformer::tokenizer::tests::test_transformer_flow ... ok
[INFO] [stdout] test transformer::tokenizer::tests::test_bpe_string ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_backprop_add ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_pow ... ok
[INFO] [stdout] test micrograd::engine::tests::sanity_check_neg ... ok
[INFO] [stdout] test micrograd::neural_net::tests::sanity_check_layer_forward ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neural_net
[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" "3209002e2a32ad5a8f1e44d3f5bd7d4cce6391b7a6c46c96ac3f0d1edfbcb620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3209002e2a32ad5a8f1e44d3f5bd7d4cce6391b7a6c46c96ac3f0d1edfbcb620", kill_on_drop: false }`
[INFO] [stdout] 3209002e2a32ad5a8f1e44d3f5bd7d4cce6391b7a6c46c96ac3f0d1edfbcb620