[INFO] fetching crate nnet 0.0.2...
[INFO] testing nnet-0.0.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nnet 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nnet 0.0.2
[INFO] finished tweaking crates.io crate nnet 0.0.2
[INFO] tweaked toml for crates.io crate nnet 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nnet 0.0.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd52e4c2ea7f825d6db9e3aa29dc0dfd4017fa29df5e7ddac2a706cbf83c2420
[INFO] running `Command { std: "docker" "start" "-a" "cd52e4c2ea7f825d6db9e3aa29dc0dfd4017fa29df5e7ddac2a706cbf83c2420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd52e4c2ea7f825d6db9e3aa29dc0dfd4017fa29df5e7ddac2a706cbf83c2420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd52e4c2ea7f825d6db9e3aa29dc0dfd4017fa29df5e7ddac2a706cbf83c2420", kill_on_drop: false }`
[INFO] [stdout] cd52e4c2ea7f825d6db9e3aa29dc0dfd4017fa29df5e7ddac2a706cbf83c2420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20fcbbd7fc9fed0d389eba7db6f3b0ab3503b591d67e2d82b27a40be55ddc0a3
[INFO] running `Command { std: "docker" "start" "-a" "20fcbbd7fc9fed0d389eba7db6f3b0ab3503b591d67e2d82b27a40be55ddc0a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nnet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stdout]   --> src/nnet/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NeuralNet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "20fcbbd7fc9fed0d389eba7db6f3b0ab3503b591d67e2d82b27a40be55ddc0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fcbbd7fc9fed0d389eba7db6f3b0ab3503b591d67e2d82b27a40be55ddc0a3", kill_on_drop: false }`
[INFO] [stdout] 20fcbbd7fc9fed0d389eba7db6f3b0ab3503b591d67e2d82b27a40be55ddc0a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a2ec2227f73b521dc24f71ab945a2adf1cfc241b9d1617b7249ee470ecdf6e
[INFO] running `Command { std: "docker" "start" "-a" "f0a2ec2227f73b521dc24f71ab945a2adf1cfc241b9d1617b7249ee470ecdf6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nnet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stdout]   --> src/nnet/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NeuralNet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f0a2ec2227f73b521dc24f71ab945a2adf1cfc241b9d1617b7249ee470ecdf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a2ec2227f73b521dc24f71ab945a2adf1cfc241b9d1617b7249ee470ecdf6e", kill_on_drop: false }`
[INFO] [stdout] f0a2ec2227f73b521dc24f71ab945a2adf1cfc241b9d1617b7249ee470ecdf6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 012b20c2123d3e8a2e63caac6d0d7a9368d29e9a4f3f0d52847555f4c9947f8a
[INFO] running `Command { std: "docker" "start" "-a" "012b20c2123d3e8a2e63caac6d0d7a9368d29e9a4f3f0d52847555f4c9947f8a", kill_on_drop: false }`
[INFO] [stderr] warning: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stderr]   --> src/nnet/mod.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct NeuralNet {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 11 |     lrate: f64,             /* learning rate */
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nnet` (bin "nnet" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nnet-fb2818887b73027a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test matrix::tests::test_transpose ... ok
[INFO] [stdout] test matrix::tests::test_dot_product_two_matrices ... ok
[INFO] [stdout] test matrix::tests::test_dot_product_matrix_vector ... ok
[INFO] [stdout] test nnet::tests::test_sigmoid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "012b20c2123d3e8a2e63caac6d0d7a9368d29e9a4f3f0d52847555f4c9947f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012b20c2123d3e8a2e63caac6d0d7a9368d29e9a4f3f0d52847555f4c9947f8a", kill_on_drop: false }`
[INFO] [stdout] 012b20c2123d3e8a2e63caac6d0d7a9368d29e9a4f3f0d52847555f4c9947f8a
