[INFO] updating cached repository https://github.com/xayon40-12/neural_network
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29943b08d4841c2ac72b10a0e59f3805f72d9e0e
[INFO] testing xayon40-12/neural_network against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxayon40-12%2Fneural_network" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xayon40-12/neural_network on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xayon40-12/neural_network
[INFO] finished tweaking git repo https://github.com/xayon40-12/neural_network
[INFO] tweaked toml for git repo https://github.com/xayon40-12/neural_network written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/xayon40-12/neural_network already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f2047d259939cc8e48bb44b0ac2df46aa91d26536eb1d7e47762afaea91a10b
[INFO] running `"docker" "start" "-a" "2f2047d259939cc8e48bb44b0ac2df46aa91d26536eb1d7e47762afaea91a10b"`
[INFO] [stderr]    Compiling neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `neuron::*`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use neuron::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NeuralNet`
[INFO] [stderr]  --> src/neural_net.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct NeuralNet {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/neuron.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     w: &'a f32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linked_by`
[INFO] [stderr]   --> src/neuron.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dist`
[INFO] [stderr]   --> src/neuron.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     dist: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `old_value`
[INFO] [stderr]   --> src/neuron.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     old_value: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ntype`
[INFO] [stderr]   --> src/neuron.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ntype: NeuronType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `computed`
[INFO] [stderr]   --> src/neuron.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     computed: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer`
[INFO] [stderr]   --> src/neuron.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "2f2047d259939cc8e48bb44b0ac2df46aa91d26536eb1d7e47762afaea91a10b"`
[INFO] running `"docker" "rm" "-f" "2f2047d259939cc8e48bb44b0ac2df46aa91d26536eb1d7e47762afaea91a10b"`
[INFO] [stdout] 2f2047d259939cc8e48bb44b0ac2df46aa91d26536eb1d7e47762afaea91a10b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd544a29acd5773631eb16635f1365a4ffcc1c174a89fb51be6697ffccb5f708
[INFO] running `"docker" "start" "-a" "cd544a29acd5773631eb16635f1365a4ffcc1c174a89fb51be6697ffccb5f708"`
[INFO] [stderr]    Compiling neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `neuron::*`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use neuron::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NeuralNet`
[INFO] [stderr]  --> src/neural_net.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct NeuralNet {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/neuron.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     w: &'a f32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linked_by`
[INFO] [stderr]   --> src/neuron.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dist`
[INFO] [stderr]   --> src/neuron.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     dist: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `old_value`
[INFO] [stderr]   --> src/neuron.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     old_value: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ntype`
[INFO] [stderr]   --> src/neuron.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ntype: NeuronType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `computed`
[INFO] [stderr]   --> src/neuron.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     computed: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer`
[INFO] [stderr]   --> src/neuron.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut n2 = Neuron::new(Box::new(threshold), NeuronType::Input);
[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/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut n3 = Neuron::new(Box::new(threshold), NeuronType::Input);
[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/lib.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut n4 = Neuron::new(Box::new(threshold), NeuronType::Input);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NeuralNet`
[INFO] [stderr]  --> src/neural_net.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct NeuralNet {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/neuron.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     w: &'a f32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linked_by`
[INFO] [stderr]   --> src/neuron.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dist`
[INFO] [stderr]   --> src/neuron.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     dist: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `old_value`
[INFO] [stderr]   --> src/neuron.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     old_value: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ntype`
[INFO] [stderr]   --> src/neuron.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ntype: NeuronType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `computed`
[INFO] [stderr]   --> src/neuron.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     computed: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer`
[INFO] [stderr]   --> src/neuron.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "cd544a29acd5773631eb16635f1365a4ffcc1c174a89fb51be6697ffccb5f708"`
[INFO] running `"docker" "rm" "-f" "cd544a29acd5773631eb16635f1365a4ffcc1c174a89fb51be6697ffccb5f708"`
[INFO] [stdout] cd544a29acd5773631eb16635f1365a4ffcc1c174a89fb51be6697ffccb5f708
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da4de7b39806b9b6b102fd6cc5877bd098bcf55b95a858ea6eba487d8101365e
[INFO] running `"docker" "start" "-a" "da4de7b39806b9b6b102fd6cc5877bd098bcf55b95a858ea6eba487d8101365e"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `neuron::*`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use neuron::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NeuralNet`
[INFO] [stderr]  --> src/neural_net.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct NeuralNet {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/neuron.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     w: &'a f32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linked_by`
[INFO] [stderr]   --> src/neuron.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dist`
[INFO] [stderr]   --> src/neuron.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     dist: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `old_value`
[INFO] [stderr]   --> src/neuron.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     old_value: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ntype`
[INFO] [stderr]   --> src/neuron.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ntype: NeuronType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `computed`
[INFO] [stderr]   --> src/neuron.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     computed: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer`
[INFO] [stderr]   --> src/neuron.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/neuron.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn new(transfer: Box<Fn(f32)->f32>, ntype: NeuronType) -> Neuron<'a> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut n2 = Neuron::new(Box::new(threshold), NeuronType::Input);
[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/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut n3 = Neuron::new(Box::new(threshold), NeuronType::Input);
[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/lib.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut n4 = Neuron::new(Box::new(threshold), NeuronType::Input);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NeuralNet`
[INFO] [stderr]  --> src/neural_net.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct NeuralNet {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/neuron.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     n: &'a Neuron<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/neuron.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     w: &'a f32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linked_by`
[INFO] [stderr]   --> src/neuron.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     linked_by: Vec<BScinapse<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dist`
[INFO] [stderr]   --> src/neuron.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     dist: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `old_value`
[INFO] [stderr]   --> src/neuron.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     old_value: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ntype`
[INFO] [stderr]   --> src/neuron.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ntype: NeuronType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `computed`
[INFO] [stderr]   --> src/neuron.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     computed: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer`
[INFO] [stderr]   --> src/neuron.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     transfer: Box<Fn(f32) -> f32>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/neural_network-d61a91b81cb076f3
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/neural_network-353bf838f5e29906
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::gate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]    Doc-tests neural_network
[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 `"docker" "inspect" "da4de7b39806b9b6b102fd6cc5877bd098bcf55b95a858ea6eba487d8101365e"`
[INFO] running `"docker" "rm" "-f" "da4de7b39806b9b6b102fd6cc5877bd098bcf55b95a858ea6eba487d8101365e"`
[INFO] [stdout] da4de7b39806b9b6b102fd6cc5877bd098bcf55b95a858ea6eba487d8101365e