[INFO] cloning repository https://github.com/DTomusk/NeuralBits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DTomusk/NeuralBits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTomusk%2FNeuralBits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTomusk%2FNeuralBits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61bb85fb0f0379d331ecbce6a30fd49cbe4de7e2
[INFO] checking DTomusk/NeuralBits against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTomusk%2FNeuralBits" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DTomusk/NeuralBits on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DTomusk/NeuralBits
[INFO] finished tweaking git repo https://github.com/DTomusk/NeuralBits
[INFO] tweaked toml for git repo https://github.com/DTomusk/NeuralBits written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DTomusk/NeuralBits already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9217b0be8ac9b24187d78ff632e1f11b0569859f12ede2436d786d275d11156
[INFO] running `Command { std: "docker" "start" "-a" "a9217b0be8ac9b24187d78ff632e1f11b0569859f12ede2436d786d275d11156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9217b0be8ac9b24187d78ff632e1f11b0569859f12ede2436d786d275d11156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9217b0be8ac9b24187d78ff632e1f11b0569859f12ede2436d786d275d11156", kill_on_drop: false }`
[INFO] [stdout] a9217b0be8ac9b24187d78ff632e1f11b0569859f12ede2436d786d275d11156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81ce62ebcc8d9239b2b90d46d2988d363bc2715bb5f0431c623d9edd353d2145
[INFO] running `Command { std: "docker" "start" "-a" "81ce62ebcc8d9239b2b90d46d2988d363bc2715bb5f0431c623d9edd353d2145", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sigmoid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::StandardNormal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::StandardNormal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]   --> src/network.rs:40:71
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     current_bias.push(SmallRng::from_entropy().sample(StandardNormal));
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]   --> src/network.rs:65:68
[INFO] [stdout]    |
[INFO] [stdout] 65 |                         array.push(SmallRng::from_entropy().sample(StandardNormal));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::StandardNormal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::StandardNormal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]   --> src/network.rs:40:71
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     current_bias.push(SmallRng::from_entropy().sample(StandardNormal));
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `network::rand::distributions::StandardNormal`: moved to rand_distr crate
[INFO] [stdout]   --> src/network.rs:65:68
[INFO] [stdout]    |
[INFO] [stdout] 65 |                         array.push(SmallRng::from_entropy().sample(StandardNormal));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_layers`
[INFO] [stdout]   --> src/network.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn set_weights(sizes: &Vec<i32>, num_layers: usize, random: bool) -> Vec<Vec<Vec<f64>>> {
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_layers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/network.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let n = training_data.len();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/network.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         for j in 0..epochs {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nabla_b`
[INFO] [stdout]    --> src/network.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut nabla_b = Network::set_biases(&self.sizes, self.num_layers, false);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nabla_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nabla_w`
[INFO] [stdout]    --> src/network.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut nabla_w = Network::set_weights(&self.sizes, self.num_layers, false);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nabla_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mini_batch`
[INFO] [stdout]    --> src/network.rs:106:37
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn update_mini_batch(&mut self, mini_batch: &[(Vec<f64>,Vec<f64>)], eta: f64) {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mini_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eta`
[INFO] [stdout]    --> src/network.rs:106:73
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn update_mini_batch(&mut self, mini_batch: &[(Vec<f64>,Vec<f64>)], eta: f64) {
[INFO] [stdout]     |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_eta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/network.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn backprop(&mut self, x: Vec<f64>, y: Vec<f64>) {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/network.rs:118:41
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn backprop(&mut self, x: Vec<f64>, y: Vec<f64>) {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/network.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut my_net = Network {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut nabla_b = Network::set_biases(&self.sizes, self.num_layers, false);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut nabla_w = Network::set_weights(&self.sizes, self.num_layers, false);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sgd`
[INFO] [stdout]   --> src/network.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn sgd(&mut self, mut training_data: Vec<(Vec<f64>, Vec<f64>)>, epochs: i32, mini_batch_size: usize, eta: f64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_mini_batch`
[INFO] [stdout]    --> src/network.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn update_mini_batch(&mut self, mini_batch: &[(Vec<f64>,Vec<f64>)], eta: f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backprop`
[INFO] [stdout]    --> src/network.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn backprop(&mut self, x: Vec<f64>, y: Vec<f64>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `dot_product` found for struct `Network` in the current scope
[INFO] [stdout]   --> src/main.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 |         assert_eq!(network::Network::dot_product(vec![1.0, 2.0], vec![2.0, 3.0]), 8.0);
[INFO] [stdout]    |                                      ^^^^^^^^^^^ function or associated item not found in `Network`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/network.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Network {
[INFO] [stdout]    | ------------------ function or associated item `dot_product` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `dot_product` found for struct `Network` in the current scope
[INFO] [stdout]   --> src/main.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |         assert_eq!(network::Network::dot_product(vec![5.0, 3.0], vec![-1.0, 3.0]), 4.0);
[INFO] [stdout]    |                                      ^^^^^^^^^^^ function or associated item not found in `Network`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/network.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Network {
[INFO] [stdout]    | ------------------ function or associated item `dot_product` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `dot_product` found for struct `Network` in the current scope
[INFO] [stdout]   --> src/main.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |         assert_eq!(network::Network::dot_product(vec![5.0, 3.0, 2.0, 1.0], vec![-1.0, 3.0, 4.0]), 12.0);
[INFO] [stdout]    |                                      ^^^^^^^^^^^ function or associated item not found in `Network`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/network.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Network {
[INFO] [stdout]    | ------------------ function or associated item `dot_product` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sigmoid`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "81ce62ebcc8d9239b2b90d46d2988d363bc2715bb5f0431c623d9edd353d2145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ce62ebcc8d9239b2b90d46d2988d363bc2715bb5f0431c623d9edd353d2145", kill_on_drop: false }`
[INFO] [stdout] 81ce62ebcc8d9239b2b90d46d2988d363bc2715bb5f0431c623d9edd353d2145
