[INFO] fetching crate hextral 0.7.1...
[INFO] testing hextral-0.7.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate hextral 0.7.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate hextral 0.7.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate hextral 0.7.1
[INFO] tweaked toml for crates.io crate hextral 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hextral 0.7.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hextral 0.7.1 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 809379ce238903a7da3720577b524781e4386d9d014709d9d490cfa56cbb38e3
[INFO] running `Command { std: "docker" "start" "-a" "809379ce238903a7da3720577b524781e4386d9d014709d9d490cfa56cbb38e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "809379ce238903a7da3720577b524781e4386d9d014709d9d490cfa56cbb38e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809379ce238903a7da3720577b524781e4386d9d014709d9d490cfa56cbb38e3", kill_on_drop: false }`
[INFO] [stdout] 809379ce238903a7da3720577b524781e4386d9d014709d9d490cfa56cbb38e3
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d2246fb8d12bbbe3effffa2c557e9c07d04a7aacf3619db142505e8838f13a
[INFO] running `Command { std: "docker" "start" "-a" "58d2246fb8d12bbbe3effffa2c557e9c07d04a7aacf3619db142505e8838f13a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling wide v0.7.15
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.42.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling hextral v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.95s
[INFO] running `Command { std: "docker" "inspect" "58d2246fb8d12bbbe3effffa2c557e9c07d04a7aacf3619db142505e8838f13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d2246fb8d12bbbe3effffa2c557e9c07d04a7aacf3619db142505e8838f13a", kill_on_drop: false }`
[INFO] [stdout] 58d2246fb8d12bbbe3effffa2c557e9c07d04a7aacf3619db142505e8838f13a
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ed6679f92e3c797a3f20301e0885809b56b6249e343cd154fd48394b7e50cc
[INFO] running `Command { std: "docker" "start" "-a" "b0ed6679f92e3c797a3f20301e0885809b56b6249e343cd154fd48394b7e50cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.42.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling hextral v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `checkpoint_config`
[INFO] [stdout]   --> examples/early_stopping_demo.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let checkpoint_config = CheckpointConfig::new("model_checkpoint".to_string()).save_every(20);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checkpoint_config_async`
[INFO] [stdout]   --> examples/early_stopping_demo.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let checkpoint_config_async = CheckpointConfig::new("async_model_checkpoint".to_string());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_config_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 38.44s
[INFO] running `Command { std: "docker" "inspect" "b0ed6679f92e3c797a3f20301e0885809b56b6249e343cd154fd48394b7e50cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ed6679f92e3c797a3f20301e0885809b56b6249e343cd154fd48394b7e50cc", kill_on_drop: false }`
[INFO] [stdout] b0ed6679f92e3c797a3f20301e0885809b56b6249e343cd154fd48394b7e50cc
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a71384fa28a3ea9119650a8df77b71ac381a170ae11936616a6b7436a14549f
[INFO] running `Command { std: "docker" "start" "-a" "4a71384fa28a3ea9119650a8df77b71ac381a170ae11936616a6b7436a14549f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `checkpoint_config`
[INFO] [stderr]   --> examples/early_stopping_demo.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let checkpoint_config = CheckpointConfig::new("model_checkpoint".to_string()).save_every(20);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checkpoint_config_async`
[INFO] [stderr]   --> examples/early_stopping_demo.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let checkpoint_config_async = CheckpointConfig::new("async_model_checkpoint".to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_config_async`
[INFO] [stderr] 
[INFO] [stderr] warning: `hextral` (example "early_stopping_demo") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hextral-012e48d6af2d755f)
[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] [stderr]      Running tests/optimizer_tests.rs (/opt/rustwide/target/debug/deps/optimizer_tests-d950f3db32d6d2f5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test optimizer_tests::test_optimizer_state_initialization ... ok
[INFO] [stdout] test optimizer_tests::test_all_optimizers_compile ... ok
[INFO] [stdout] test optimizer_tests::test_optimizer_convergence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-a247842c43898cd4)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_checkpoint_config ... ok
[INFO] [stdout] test test_async_evaluation ... ok
[INFO] [stdout] test test_async_forward_pass ... ok
[INFO] [stdout] test test_async_prediction ... ok
[INFO] [stdout] test test_forward_pass ... ok
[INFO] [stdout] test test_network_creation ... ok
[INFO] [stdout] test test_batch_normalization ... ok
[INFO] [stdout] test test_training ... ok
[INFO] [stdout] test test_async_training ... ok
[INFO] [stdout] test test_async_activation_functions ... ok
[INFO] [stdout] test test_early_stopping_logic ... ok
[INFO] [stdout] test test_async_batch_prediction ... ok
[INFO] [stdout] test test_new_activation_functions ... ok
[INFO] [stdout] test test_xor_learning ... ok
[INFO] [stdout] test test_early_stopping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hextral
[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" "4a71384fa28a3ea9119650a8df77b71ac381a170ae11936616a6b7436a14549f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a71384fa28a3ea9119650a8df77b71ac381a170ae11936616a6b7436a14549f", kill_on_drop: false }`
[INFO] [stdout] 4a71384fa28a3ea9119650a8df77b71ac381a170ae11936616a6b7436a14549f