[INFO] fetching crate neural 0.3.0...
[INFO] testing neural-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate neural 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate neural 0.3.0
[INFO] finished tweaking crates.io crate neural 0.3.0
[INFO] tweaked toml for crates.io crate neural 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neural 0.3.0 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] crate crates.io crate neural 0.3.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba423429697eaf138258866646e4916911b30013d9a1e7c5f19c513a8f0d5e6e
[INFO] running `Command { std: "docker" "start" "-a" "ba423429697eaf138258866646e4916911b30013d9a1e7c5f19c513a8f0d5e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba423429697eaf138258866646e4916911b30013d9a1e7c5f19c513a8f0d5e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba423429697eaf138258866646e4916911b30013d9a1e7c5f19c513a8f0d5e6e", kill_on_drop: false }`
[INFO] [stdout] ba423429697eaf138258866646e4916911b30013d9a1e7c5f19c513a8f0d5e6e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c7a88c1ebcc3bc40643499190816fb021e8f1ca1b1aba2f58f85c07c688e79
[INFO] running `Command { std: "docker" "start" "-a" "b7c7a88c1ebcc3bc40643499190816fb021e8f1ca1b1aba2f58f85c07c688e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling neural v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "b7c7a88c1ebcc3bc40643499190816fb021e8f1ca1b1aba2f58f85c07c688e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c7a88c1ebcc3bc40643499190816fb021e8f1ca1b1aba2f58f85c07c688e79", kill_on_drop: false }`
[INFO] [stdout] b7c7a88c1ebcc3bc40643499190816fb021e8f1ca1b1aba2f58f85c07c688e79
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a717af2d41dca3d3af24d0f299c27313f856916a73211208cdd28b44f79dd4a
[INFO] running `Command { std: "docker" "start" "-a" "4a717af2d41dca3d3af24d0f299c27313f856916a73211208cdd28b44f79dd4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "4a717af2d41dca3d3af24d0f299c27313f856916a73211208cdd28b44f79dd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a717af2d41dca3d3af24d0f299c27313f856916a73211208cdd28b44f79dd4a", kill_on_drop: false }`
[INFO] [stdout] 4a717af2d41dca3d3af24d0f299c27313f856916a73211208cdd28b44f79dd4a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b47debfca4291455eb12a415d45e0e7f188c87b837b19cae2668edde209c2e4
[INFO] running `Command { std: "docker" "start" "-a" "6b47debfca4291455eb12a415d45e0e7f188c87b837b19cae2668edde209c2e4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neural-e72e40aa0e47d4a3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_no_pop_size - should panic ... ok
[INFO] [stdout] test tests::test_population_roulette_wheel_uniform ... ok
[INFO] [stdout] test tests::test_population_tournament_uniform ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.75s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neural
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b47debfca4291455eb12a415d45e0e7f188c87b837b19cae2668edde209c2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b47debfca4291455eb12a415d45e0e7f188c87b837b19cae2668edde209c2e4", kill_on_drop: false }`
[INFO] [stdout] 6b47debfca4291455eb12a415d45e0e7f188c87b837b19cae2668edde209c2e4