[INFO] cloning repository https://github.com/quackduck/wheel-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quackduck/wheel-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquackduck%2Fwheel-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquackduck%2Fwheel-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8786255d1b99d6181960c94415668052ba57630a
[INFO] checking quackduck/wheel-rs against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquackduck%2Fwheel-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quackduck/wheel-rs
[INFO] finished tweaking git repo https://github.com/quackduck/wheel-rs
[INFO] tweaked toml for git repo https://github.com/quackduck/wheel-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quackduck/wheel-rs on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quackduck/wheel-rs 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded byteorder v1.5.0
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded mnist v0.6.0
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded libm v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 448fac973954ad9554e419d5b488e5a5cc58b77bb7dcbd173dfbcdc4adfd4aef
[INFO] running `Command { std: "docker" "start" "-a" "448fac973954ad9554e419d5b488e5a5cc58b77bb7dcbd173dfbcdc4adfd4aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "448fac973954ad9554e419d5b488e5a5cc58b77bb7dcbd173dfbcdc4adfd4aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448fac973954ad9554e419d5b488e5a5cc58b77bb7dcbd173dfbcdc4adfd4aef", kill_on_drop: false }`
[INFO] [stdout] 448fac973954ad9554e419d5b488e5a5cc58b77bb7dcbd173dfbcdc4adfd4aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a74a73a5c1c9abd3d5fbce49d99732bf0080f9870496faf252e2a88e9f644603
[INFO] running `Command { std: "docker" "start" "-a" "a74a73a5c1c9abd3d5fbce49d99732bf0080f9870496faf252e2a88e9f644603", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking mnist v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking wheel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/network.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |             weight_updates[i][j] = (learning_rate * err_to_delcdelw(deltas[i], prev_activations[j]) +
[INFO] [stdout]     |                                    ^
[INFO] [stdout] 225 |                 momentum * weight_updates[i][j]); // /(1.0 + momentum);
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 ~             weight_updates[i][j] = learning_rate * err_to_delcdelw(deltas[i], prev_activations[j]) +
[INFO] [stdout] 225 ~                 momentum * weight_updates[i][j] ; // /(1.0 + momentum);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/network.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |             weight_updates[i][j] = (learning_rate * err_to_delcdelw(deltas[i], prev_activations[j]) +
[INFO] [stdout]     |                                    ^
[INFO] [stdout] 225 |                 momentum * weight_updates[i][j]); // /(1.0 + momentum);
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 ~             weight_updates[i][j] = learning_rate * err_to_delcdelw(deltas[i], prev_activations[j]) +
[INFO] [stdout] 225 ~                 momentum * weight_updates[i][j] ; // /(1.0 + momentum);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/network.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |         bias_updates[i] = (learning_rate * err_to_delcdelb(deltas[i]) +
[INFO] [stdout]     |                           ^
[INFO] [stdout] 232 |             momentum * bias_updates[i]); // / (1.0 + momentum);
[INFO] [stdout]     |                                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 ~         bias_updates[i] = learning_rate * err_to_delcdelb(deltas[i]) +
[INFO] [stdout] 232 ~             momentum * bias_updates[i] ; // / (1.0 + momentum);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/network.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |         bias_updates[i] = (learning_rate * err_to_delcdelb(deltas[i]) +
[INFO] [stdout]     |                           ^
[INFO] [stdout] 232 |             momentum * bias_updates[i]); // / (1.0 + momentum);
[INFO] [stdout]     |                                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 ~         bias_updates[i] = learning_rate * err_to_delcdelb(deltas[i]) +
[INFO] [stdout] 232 ~             momentum * bias_updates[i] ; // / (1.0 + momentum);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> src/network.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_distr::{num_traits::Float, Distribution, Normal};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> src/network.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_distr::{num_traits::Float, Distribution, Normal};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_task` is never used
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn simple_task() -> Vec<(Vec<f64>, Vec<f64>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_task` is never used
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn simple_task() -> Vec<(Vec<f64>, Vec<f64>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_samples` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn gen_samples() -> Vec<(Vec<f64>, Vec<f64>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_samples` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn gen_samples() -> Vec<(Vec<f64>, Vec<f64>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_network` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn test_network(n: &mut Network) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_network` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn test_network(n: &mut Network) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cost` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn cost(err: f64) -> f64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cost` is never used
[INFO] [stdout]    --> src/network.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn cost(err: f64) -> f64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastWeightUpdates` should have a snake case name
[INFO] [stdout]    --> src/network.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut lastWeightUpdates = Vec::with_capacity(layer.weights.len());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_weight_updates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastWeightUpdates` should have a snake case name
[INFO] [stdout]    --> src/network.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut lastWeightUpdates = Vec::with_capacity(layer.weights.len());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_weight_updates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "a74a73a5c1c9abd3d5fbce49d99732bf0080f9870496faf252e2a88e9f644603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74a73a5c1c9abd3d5fbce49d99732bf0080f9870496faf252e2a88e9f644603", kill_on_drop: false }`
[INFO] [stdout] a74a73a5c1c9abd3d5fbce49d99732bf0080f9870496faf252e2a88e9f644603
