[INFO] cloning repository https://github.com/euwbah/rusty-brain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euwbah/rusty-brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuwbah%2Frusty-brain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuwbah%2Frusty-brain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7030e519ebd1fdbee7d82273bc214cf32d29ee50
[INFO] testing euwbah/rusty-brain against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuwbah%2Frusty-brain" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/euwbah/rusty-brain on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/euwbah/rusty-brain
[INFO] finished tweaking git repo https://github.com/euwbah/rusty-brain
[INFO] tweaked toml for git repo https://github.com/euwbah/rusty-brain written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/euwbah/rusty-brain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded ndarray v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ae4a95435c2eabdd57bebd77a955a6d079a38e98a7d93eb3756278c988f4ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2ae4a95435c2eabdd57bebd77a955a6d079a38e98a7d93eb3756278c988f4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ae4a95435c2eabdd57bebd77a955a6d079a38e98a7d93eb3756278c988f4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ae4a95435c2eabdd57bebd77a955a6d079a38e98a7d93eb3756278c988f4ba", kill_on_drop: false }`
[INFO] [stdout] b2ae4a95435c2eabdd57bebd77a955a6d079a38e98a7d93eb3756278c988f4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd35dca209adb7dd79a6ddd9484ad35a0cd918d038d175b818446d7576fb6a51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd35dca209adb7dd79a6ddd9484ad35a0cd918d038d175b818446d7576fb6a51", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ndarray::ArrayBase`
[INFO] [stdout]  --> src/layers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::ArrayBase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Axis`
[INFO] [stdout]  --> src/layers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::Axis;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_size`
[INFO] [stdout]    --> src/node.rs:175:34
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn update_weights(&mut self, step_size: f64) {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node_name`
[INFO] [stdout]    --> src/node.rs:287:39
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn calc_derivative_against(&self, input_node_name: &str) -> f64 {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:303:34
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn add_input_node(&mut self, input_node: AM<dyn Node + Send>) {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:307:39
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weight`
[INFO] [stdout]    --> src/node.rs:307:72
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node_name`
[INFO] [stdout]    --> src/node.rs:366:39
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn calc_derivative_against(&self, input_node_name: &str) -> f64 {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:382:34
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn add_input_node(&mut self, input_node: AM<dyn Node + Send>) {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:386:39
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weight`
[INFO] [stdout]    --> src/node.rs:386:72
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/node.rs:451:31
[INFO] [stdout]     |
[INFO] [stdout] 451 |             .fold(0.0, |acc, (name, node_weight)| {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_size`
[INFO] [stdout]    --> src/node.rs:625:34
[INFO] [stdout]     |
[INFO] [stdout] 625 |     fn update_weights(&mut self, step_size: f64) {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut i1 = InputNode::new("i1", 0.6);
[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/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut i2 = InputNode::new("i2", 1.0);
[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/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut input_layer = InputLayer::new(&vec![i1.clone(), i2.clone()], &training_vals);
[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/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut s1 = SumNode::new("s1");
[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/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut output_layer = OutputLayer::new(
[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/layers.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let mut expected_ground_truths: Vec<f64> = vals.to_vec();
[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/node.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |             let mut nw = inputs.get(k).unwrap();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]   --> src/node.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn get_training_state(&self) -> &TrainingState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]   --> src/node.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_training_state_mut(&mut self) -> &mut TrainingState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:358:5
[INFO] [stdout]     |
[INFO] [stdout] 358 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:464:5
[INFO] [stdout]     |
[INFO] [stdout] 464 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:468:5
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:600:5
[INFO] [stdout]     |
[INFO] [stdout] 600 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ground_truth`
[INFO] [stdout]    --> src/layers.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn get_ground_truth(&self, iter: usize, node_name: &str) -> 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: `set_network_configs`
[INFO] [stdout]   --> src/network.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn set_network_configs(&mut self, network_configs: NetworkConfigs) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_avg_training_loss`
[INFO] [stdout]   --> src/network.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn calc_avg_training_loss(&self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_weights`
[INFO] [stdout]   --> src/network.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn update_weights(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `train_one_epoch`
[INFO] [stdout]   --> src/network.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn train_one_epoch(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]    --> src/node.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn connect(a: AM<dyn Node + Send>, b: AM<dyn Node + Send>) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/node.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 |     pub fn new(name: &str, const_value: f64) -> AM<ConstantNode> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.10s
[INFO] running `Command { std: "docker" "inspect" "bd35dca209adb7dd79a6ddd9484ad35a0cd918d038d175b818446d7576fb6a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd35dca209adb7dd79a6ddd9484ad35a0cd918d038d175b818446d7576fb6a51", kill_on_drop: false }`
[INFO] [stdout] bd35dca209adb7dd79a6ddd9484ad35a0cd918d038d175b818446d7576fb6a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1338268049cc6a7d47e6fae7dbc36342a0c4bf0c61233ce039ceb53a0a29ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c1338268049cc6a7d47e6fae7dbc36342a0c4bf0c61233ce039ceb53a0a29ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ndarray::ArrayBase`
[INFO] [stdout]  --> src/layers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::ArrayBase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Axis`
[INFO] [stdout]  --> src/layers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::Axis;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_size`
[INFO] [stdout]    --> src/node.rs:175:34
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn update_weights(&mut self, step_size: f64) {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node_name`
[INFO] [stdout]    --> src/node.rs:287:39
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn calc_derivative_against(&self, input_node_name: &str) -> f64 {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:303:34
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn add_input_node(&mut self, input_node: AM<dyn Node + Send>) {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:307:39
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weight`
[INFO] [stdout]    --> src/node.rs:307:72
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node_name`
[INFO] [stdout]    --> src/node.rs:366:39
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn calc_derivative_against(&self, input_node_name: &str) -> f64 {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:382:34
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn add_input_node(&mut self, input_node: AM<dyn Node + Send>) {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_node`
[INFO] [stdout]    --> src/node.rs:386:39
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weight`
[INFO] [stdout]    --> src/node.rs:386:72
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/node.rs:451:31
[INFO] [stdout]     |
[INFO] [stdout] 451 |             .fold(0.0, |acc, (name, node_weight)| {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_size`
[INFO] [stdout]    --> src/node.rs:625:34
[INFO] [stdout]     |
[INFO] [stdout] 625 |     fn update_weights(&mut self, step_size: f64) {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut i1 = InputNode::new("i1", 0.6);
[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/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut i2 = InputNode::new("i2", 1.0);
[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/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut input_layer = InputLayer::new(&vec![i1.clone(), i2.clone()], &training_vals);
[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/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut s1 = SumNode::new("s1");
[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/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut output_layer = OutputLayer::new(
[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/layers.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let mut expected_ground_truths: Vec<f64> = vals.to_vec();
[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/node.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |             let mut nw = inputs.get(k).unwrap();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]   --> src/node.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn get_training_state(&self) -> &TrainingState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]   --> src/node.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_training_state_mut(&mut self) -> &mut TrainingState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:358:5
[INFO] [stdout]     |
[INFO] [stdout] 358 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:464:5
[INFO] [stdout]     |
[INFO] [stdout] 464 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:468:5
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stdout]    --> src/node.rs:600:5
[INFO] [stdout]     |
[INFO] [stdout] 600 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ground_truth`
[INFO] [stdout]    --> src/layers.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn get_ground_truth(&self, iter: usize, node_name: &str) -> 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: `set_network_configs`
[INFO] [stdout]   --> src/network.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn set_network_configs(&mut self, network_configs: NetworkConfigs) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_avg_training_loss`
[INFO] [stdout]   --> src/network.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn calc_avg_training_loss(&self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_weights`
[INFO] [stdout]   --> src/network.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn update_weights(&mut self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `train_one_epoch`
[INFO] [stdout]   --> src/network.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn train_one_epoch(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]    --> src/node.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn connect(a: AM<dyn Node + Send>, b: AM<dyn Node + Send>) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/node.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 |     pub fn new(name: &str, const_value: f64) -> AM<ConstantNode> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "6c1338268049cc6a7d47e6fae7dbc36342a0c4bf0c61233ce039ceb53a0a29ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1338268049cc6a7d47e6fae7dbc36342a0c4bf0c61233ce039ceb53a0a29ce", kill_on_drop: false }`
[INFO] [stdout] 6c1338268049cc6a7d47e6fae7dbc36342a0c4bf0c61233ce039ceb53a0a29ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4be7c2fb5702c3a58650b28ae56859fa3d610f010841889027c764b49577c84d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4be7c2fb5702c3a58650b28ae56859fa3d610f010841889027c764b49577c84d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ndarray::ArrayBase`
[INFO] [stderr]  --> src/layers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray::ArrayBase;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::Axis`
[INFO] [stderr]  --> src/layers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ndarray::Axis;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `step_size`
[INFO] [stderr]    --> src/node.rs:175:34
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn update_weights(&mut self, step_size: f64) {
[INFO] [stderr]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_node_name`
[INFO] [stderr]    --> src/node.rs:287:39
[INFO] [stderr]     |
[INFO] [stderr] 287 |     fn calc_derivative_against(&self, input_node_name: &str) -> f64 {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_node`
[INFO] [stderr]    --> src/node.rs:303:34
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn add_input_node(&mut self, input_node: AM<dyn Node + Send>) {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_node`
[INFO] [stderr]    --> src/node.rs:307:39
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `weight`
[INFO] [stderr]    --> src/node.rs:307:72
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stderr]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_node_name`
[INFO] [stderr]    --> src/node.rs:366:39
[INFO] [stderr]     |
[INFO] [stderr] 366 |     fn calc_derivative_against(&self, input_node_name: &str) -> f64 {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_node`
[INFO] [stderr]    --> src/node.rs:382:34
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn add_input_node(&mut self, input_node: AM<dyn Node + Send>) {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_node`
[INFO] [stderr]    --> src/node.rs:386:39
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `weight`
[INFO] [stderr]    --> src/node.rs:386:72
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn add_input_node_init(&mut self, input_node: AM<dyn Node + Send>, weight: f64) {
[INFO] [stderr]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_weight`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/node.rs:451:31
[INFO] [stderr]     |
[INFO] [stderr] 451 |             .fold(0.0, |acc, (name, node_weight)| {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `step_size`
[INFO] [stderr]    --> src/node.rs:625:34
[INFO] [stderr]     |
[INFO] [stderr] 625 |     fn update_weights(&mut self, step_size: f64) {
[INFO] [stderr]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut i1 = InputNode::new("i1", 0.6);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut i2 = InputNode::new("i2", 1.0);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut input_layer = InputLayer::new(&vec![i1.clone(), i2.clone()], &training_vals);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut s1 = SumNode::new("s1");
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut output_layer = OutputLayer::new(
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/layers.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let mut expected_ground_truths: Vec<f64> = vals.to_vec();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/node.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let mut nw = inputs.get(k).unwrap();
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]   --> src/node.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn get_training_state(&self) -> &TrainingState;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]   --> src/node.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn get_training_state_mut(&mut self) -> &mut TrainingState;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:464:5
[INFO] [stderr]     |
[INFO] [stderr] 464 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:468:5
[INFO] [stderr]     |
[INFO] [stderr] 468 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 |     fn get_training_state(&self) -> &TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `TrainingState` in public interface (error E0446)
[INFO] [stderr]    --> src/node.rs:600:5
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn get_training_state_mut(&mut self) -> &mut TrainingState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_ground_truth`
[INFO] [stderr]    --> src/layers.rs:162:12
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn get_ground_truth(&self, iter: usize, node_name: &str) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_network_configs`
[INFO] [stderr]   --> src/network.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn set_network_configs(&mut self, network_configs: NetworkConfigs) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `calc_avg_training_loss`
[INFO] [stderr]   --> src/network.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn calc_avg_training_loss(&self) {}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_weights`
[INFO] [stderr]   --> src/network.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn update_weights(&mut self) {}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `train_one_epoch`
[INFO] [stderr]   --> src/network.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn train_one_epoch(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]    --> src/node.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 | pub fn connect(a: AM<dyn Node + Send>, b: AM<dyn Node + Send>) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/node.rs:329:12
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn new(name: &str, const_value: f64) -> AM<ConstantNode> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 37 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/neural_network-85e7afc9a0e0e0e4
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4be7c2fb5702c3a58650b28ae56859fa3d610f010841889027c764b49577c84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be7c2fb5702c3a58650b28ae56859fa3d610f010841889027c764b49577c84d", kill_on_drop: false }`
[INFO] [stdout] 4be7c2fb5702c3a58650b28ae56859fa3d610f010841889027c764b49577c84d
