[INFO] cloning repository https://github.com/seanlnge/NeuralNetwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanlnge/NeuralNetwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlnge%2FNeuralNetwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlnge%2FNeuralNetwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af18f378838b8ed75e70543565f2e19f1fe6398f
[INFO] testing seanlnge/NeuralNetwork against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlnge%2FNeuralNetwork" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanlnge/NeuralNetwork on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanlnge/NeuralNetwork
[INFO] finished tweaking git repo https://github.com/seanlnge/NeuralNetwork
[INFO] tweaked toml for git repo https://github.com/seanlnge/NeuralNetwork written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/seanlnge/NeuralNetwork already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59f50217da5252c72cff17c8ca34fb52fc2643ed49d7f50f74cc93a24451f142
[INFO] running `Command { std: "docker" "start" "-a" "59f50217da5252c72cff17c8ca34fb52fc2643ed49d7f50f74cc93a24451f142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59f50217da5252c72cff17c8ca34fb52fc2643ed49d7f50f74cc93a24451f142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f50217da5252c72cff17c8ca34fb52fc2643ed49d7f50f74cc93a24451f142", kill_on_drop: false }`
[INFO] [stdout] 59f50217da5252c72cff17c8ca34fb52fc2643ed49d7f50f74cc93a24451f142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e7892532650e379ab10fc27d74f77ec01591e1f6333e068f6eeaf01a952b2d
[INFO] running `Command { std: "docker" "start" "-a" "47e7892532650e379ab10fc27d74f77ec01591e1f6333e068f6eeaf01a952b2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling mnist v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `momentum`
[INFO] [stdout]  --> src/kyxnt/networks/functions/learning_rate.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn momentum(rate: f64, factor: f64) -> LearningRate {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `linear_decay`
[INFO] [stdout]   --> src/kyxnt/networks/functions/learning_rate.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn linear_decay(initial_rate: f64) -> LearningRate {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Momentum`
[INFO] [stdout]   --> src/kyxnt/networks/functions/learning_rate.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Momentum(Box<dyn Fn(f64, f64) -> f64>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "47e7892532650e379ab10fc27d74f77ec01591e1f6333e068f6eeaf01a952b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e7892532650e379ab10fc27d74f77ec01591e1f6333e068f6eeaf01a952b2d", kill_on_drop: false }`
[INFO] [stdout] 47e7892532650e379ab10fc27d74f77ec01591e1f6333e068f6eeaf01a952b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c0c7dc01758b765e102a06f4f5a9ea0a2509b462faf91075de9329147c62d20
[INFO] running `Command { std: "docker" "start" "-a" "6c0c7dc01758b765e102a06f4f5a9ea0a2509b462faf91075de9329147c62d20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `momentum`
[INFO] [stdout]  --> src/kyxnt/networks/functions/learning_rate.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn momentum(rate: f64, factor: f64) -> LearningRate {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `linear_decay`
[INFO] [stdout]   --> src/kyxnt/networks/functions/learning_rate.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn linear_decay(initial_rate: f64) -> LearningRate {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Momentum`
[INFO] [stdout]   --> src/kyxnt/networks/functions/learning_rate.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Momentum(Box<dyn Fn(f64, f64) -> f64>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6c0c7dc01758b765e102a06f4f5a9ea0a2509b462faf91075de9329147c62d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0c7dc01758b765e102a06f4f5a9ea0a2509b462faf91075de9329147c62d20", kill_on_drop: false }`
[INFO] [stdout] 6c0c7dc01758b765e102a06f4f5a9ea0a2509b462faf91075de9329147c62d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e3cd4ec42e3a4caa2a945d1647933f10019498c4656ec60dd8ba12e4908a898
[INFO] running `Command { std: "docker" "start" "-a" "5e3cd4ec42e3a4caa2a945d1647933f10019498c4656ec60dd8ba12e4908a898", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `momentum`
[INFO] [stderr]  --> src/kyxnt/networks/functions/learning_rate.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn momentum(rate: f64, factor: f64) -> LearningRate {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `linear_decay`
[INFO] [stderr]   --> src/kyxnt/networks/functions/learning_rate.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn linear_decay(initial_rate: f64) -> LearningRate {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Momentum`
[INFO] [stderr]   --> src/kyxnt/networks/functions/learning_rate.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Momentum(Box<dyn Fn(f64, f64) -> f64>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `neural-network` (bin "neural-network" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neural_network-6cda06d818ff58ad)
[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" "5e3cd4ec42e3a4caa2a945d1647933f10019498c4656ec60dd8ba12e4908a898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3cd4ec42e3a4caa2a945d1647933f10019498c4656ec60dd8ba12e4908a898", kill_on_drop: false }`
[INFO] [stdout] 5e3cd4ec42e3a4caa2a945d1647933f10019498c4656ec60dd8ba12e4908a898