[INFO] fetching crate ffnn 0.1.0...
[INFO] testing ffnn-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ffnn 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ffnn 0.1.0
[INFO] finished tweaking crates.io crate ffnn 0.1.0
[INFO] tweaked toml for crates.io crate ffnn 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffnn 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.30.1 (available: v0.34.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b0e0619c7ad998d01640f15bc76d47a2c607750fac98d748f86504dd9b7271a
[INFO] running `Command { std: "docker" "start" "-a" "9b0e0619c7ad998d01640f15bc76d47a2c607750fac98d748f86504dd9b7271a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b0e0619c7ad998d01640f15bc76d47a2c607750fac98d748f86504dd9b7271a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0e0619c7ad998d01640f15bc76d47a2c607750fac98d748f86504dd9b7271a", kill_on_drop: false }`
[INFO] [stdout] 9b0e0619c7ad998d01640f15bc76d47a2c607750fac98d748f86504dd9b7271a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ccbfd6801bfb2216e8c6c6e6076d461a77d61f46db3f5c85dd103ece3bc4b33
[INFO] running `Command { std: "docker" "start" "-a" "6ccbfd6801bfb2216e8c6c6e6076d461a77d61f46db3f5c85dd103ece3bc4b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.7.3
[INFO] [stderr]    Compiling nalgebra v0.30.1
[INFO] [stderr]    Compiling ffnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `Command { std: "docker" "inspect" "6ccbfd6801bfb2216e8c6c6e6076d461a77d61f46db3f5c85dd103ece3bc4b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccbfd6801bfb2216e8c6c6e6076d461a77d61f46db3f5c85dd103ece3bc4b33", kill_on_drop: false }`
[INFO] [stdout] 6ccbfd6801bfb2216e8c6c6e6076d461a77d61f46db3f5c85dd103ece3bc4b33
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a8076b7931f6a4268b0d24599527a82d2addf8611b5b72619a2bcd84b7e5fe0
[INFO] running `Command { std: "docker" "start" "-a" "7a8076b7931f6a4268b0d24599527a82d2addf8611b5b72619a2bcd84b7e5fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "7a8076b7931f6a4268b0d24599527a82d2addf8611b5b72619a2bcd84b7e5fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8076b7931f6a4268b0d24599527a82d2addf8611b5b72619a2bcd84b7e5fe0", kill_on_drop: false }`
[INFO] [stdout] 7a8076b7931f6a4268b0d24599527a82d2addf8611b5b72619a2bcd84b7e5fe0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a297e3f6b3883dec932350bc8f5cb9d34b91e988676d389225b4e710ef2f679f
[INFO] running `Command { std: "docker" "start" "-a" "a297e3f6b3883dec932350bc8f5cb9d34b91e988676d389225b4e710ef2f679f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffnn-9792e4e195f3fb01)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test nn::activations::tests::test_relu ... ok
[INFO] [stdout] test nn::activations::tests::test_sigmoid ... ok
[INFO] [stdout] test nn::network::tests::create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ffnn
[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" "a297e3f6b3883dec932350bc8f5cb9d34b91e988676d389225b4e710ef2f679f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a297e3f6b3883dec932350bc8f5cb9d34b91e988676d389225b4e710ef2f679f", kill_on_drop: false }`
[INFO] [stdout] a297e3f6b3883dec932350bc8f5cb9d34b91e988676d389225b4e710ef2f679f