[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] checking seanlnge/NeuralNetwork against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlnge%2FNeuralNetwork" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanlnge/NeuralNetwork on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "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-7-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "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] [stderr]   Downloaded serde_json v1.0.67
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e2442889faa9b87963f840c30b76d4503b20d1c17ffe036e0bd4999622a6796
[INFO] running `Command { std: "docker" "start" "-a" "6e2442889faa9b87963f840c30b76d4503b20d1c17ffe036e0bd4999622a6796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2442889faa9b87963f840c30b76d4503b20d1c17ffe036e0bd4999622a6796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2442889faa9b87963f840c30b76d4503b20d1c17ffe036e0bd4999622a6796", kill_on_drop: false }`
[INFO] [stdout] 6e2442889faa9b87963f840c30b76d4503b20d1c17ffe036e0bd4999622a6796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de63a52bb4bb1123778de3654fac2718d700a7e938b9c6e70dadc70d8c7555b1
[INFO] running `Command { std: "docker" "start" "-a" "de63a52bb4bb1123778de3654fac2718d700a7e938b9c6e70dadc70d8c7555b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking mnist v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `momentum` is never used
[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 `momentum` is never used
[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 `linear_decay` is never used
[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 `Momentum` is never constructed
[INFO] [stdout]   --> src/kyxnt/networks/functions/learning_rate.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum LearningRate {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 24 |     SingleParameter(Box<dyn Fn(f64) -> f64>),
[INFO] [stdout] 25 |     Momentum(Box<dyn Fn(f64, f64) -> f64>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_indexes` is never read
[INFO] [stdout]   --> src/kyxnt/nodes/standard.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Standard {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub input_indexes: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_decay` is never used
[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 `Momentum` is never constructed
[INFO] [stdout]   --> src/kyxnt/networks/functions/learning_rate.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum LearningRate {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 24 |     SingleParameter(Box<dyn Fn(f64) -> f64>),
[INFO] [stdout] 25 |     Momentum(Box<dyn Fn(f64, f64) -> f64>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_indexes` is never read
[INFO] [stdout]   --> src/kyxnt/nodes/standard.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Standard {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub input_indexes: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "de63a52bb4bb1123778de3654fac2718d700a7e938b9c6e70dadc70d8c7555b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de63a52bb4bb1123778de3654fac2718d700a7e938b9c6e70dadc70d8c7555b1", kill_on_drop: false }`
[INFO] [stdout] de63a52bb4bb1123778de3654fac2718d700a7e938b9c6e70dadc70d8c7555b1