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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotcake%2Frust-nerual-net" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
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[INFO] tweaked toml for git repo https://github.com/gotcake/rust-nerual-net written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gotcake/rust-nerual-net on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
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[INFO] crate git repo https://github.com/gotcake/rust-nerual-net already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `crate::utils::split_slice_mut`
[INFO] [stdout]   --> src/net.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::split_slice_mut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::func::ErrorFn`
[INFO] [stdout]   --> src/net.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::func::ErrorFn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::square_f32`
[INFO] [stdout]  --> src/stats.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::square_f32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::PreparedDataSetIterator`
[INFO] [stdout]  --> src/train/backprop/singlethreaded.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::data::PreparedDataSetIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::layer::NetLayerBase`
[INFO] [stdout]  --> src/train/backprop/singlethreaded.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::layer::NetLayerBase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::split_slice_mut`
[INFO] [stdout]   --> src/net.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::split_slice_mut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::func::ErrorFn`
[INFO] [stdout]   --> src/net.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::func::ErrorFn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]  --> src/train/trainer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{Rng, FromEntropy, SeedableRng};
[INFO] [stdout]   |            ^^^               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::square_f32`
[INFO] [stdout]  --> src/stats.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::square_f32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::PreparedDataSetIterator`
[INFO] [stdout]  --> src/train/backprop/singlethreaded.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::data::PreparedDataSetIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::layer::NetLayerBase`
[INFO] [stdout]  --> src/train/backprop/singlethreaded.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::layer::NetLayerBase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]  --> src/train/trainer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{Rng, FromEntropy, SeedableRng};
[INFO] [stdout]   |            ^^^               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::stable_hash_seed`
[INFO] [stdout]   --> src/train/trainer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::utils::stable_hash_seed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/train/trainer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `executor::*` and `observer::*`
[INFO] [stdout]   --> src/train/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     executor::*,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     observer::*,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::stable_hash_seed`
[INFO] [stdout]   --> src/train/trainer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::utils::stable_hash_seed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/train/trainer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `executor::*` and `observer::*`
[INFO] [stdout]   --> src/train/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     executor::*,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     observer::*,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/data.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     enum CsvParseError {
[INFO] [stdout] 12 | |         ZeroColumns {
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/data.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     enum CsvParseError {
[INFO] [stdout] 12 | |         ZeroColumns {
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/train/task.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / quick_error! {
[INFO] [stdout] 21 | |     #[derive(Debug)]
[INFO] [stdout] 22 | |     pub enum TaskError {
[INFO] [stdout] 23 | |         None {
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/data.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     enum CsvParseError {
[INFO] [stdout] 12 | |         ZeroColumns {
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/data.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     enum CsvParseError {
[INFO] [stdout] 12 | |         ZeroColumns {
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/train/task.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / quick_error! {
[INFO] [stdout] 21 | |     #[derive(Debug)]
[INFO] [stdout] 22 | |     pub enum TaskError {
[INFO] [stdout] 23 | |         None {
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromEntropy`
[INFO] [stdout]  --> src/train/trainer.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{Rng, FromEntropy, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `biases`
[INFO] [stdout]    --> src/layer.rs:162:23
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let (weights, biases) = split_slice(weight_buffer, self.num_weights, self.size);
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_biases`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromEntropy`
[INFO] [stdout]  --> src/train/trainer.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{Rng, FromEntropy, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `biases`
[INFO] [stdout]    --> src/layer.rs:162:23
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let (weights, biases) = split_slice(weight_buffer, self.num_weights, self.size);
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_biases`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `partition_shift` is assigned to, but never used
[INFO] [stdout]   --> src/train/backprop/multithreaded.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut partition_shift = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_partition_shift` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `partition_shift` is never read
[INFO] [stdout]    --> src/train/backprop/multithreaded.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     partition_shift = shared_state.partition_row_shifts[partition_index];
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update_emitter`
[INFO] [stdout]   --> src/train/task.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exec(mut self, update_emitter: &dyn TaskUpdateEmitter) -> Result<TaskResult, TaskError> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_emitter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/net.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut net = config.create_net();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/net.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut net2 = config2.create_net();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]    --> src/train/trainer.rs:179:56
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         ExecutorEvent::ExecutorError { task_id, executor_id, error} => {
[INFO] [stdout]     |                                                        ^^^^^^^ help: try ignoring the field: `task_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executor_id`
[INFO] [stdout]    --> src/train/trainer.rs:179:65
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         ExecutorEvent::ExecutorError { task_id, executor_id, error} => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^ help: try ignoring the field: `executor_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/main.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn observer_callback(event: &TrainingEvent) {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_id`, `error_stats`, `epoch`, and `elapsed` are never read
[INFO] [stdout]   --> src/train/task.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct TaskUpdate {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 30 |     pub task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 31 |     pub error_stats: Stats,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 32 |     pub epoch: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 33 |     pub elapsed: Duration,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emit_update` is never used
[INFO] [stdout]   --> src/train/task.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub trait TaskUpdateEmitter {
[INFO] [stdout]    |           ----------------- method in this trait
[INFO] [stdout] 37 |     fn emit_update(&self, update: TaskUpdate);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_id`, `epoch`, and `elapsed` are never read
[INFO] [stdout]   --> src/train/task.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct TaskResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 41 |     pub task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub epoch: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 45 |     pub elapsed: Duration,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TaskUpdate` is never constructed
[INFO] [stdout]    --> src/train/executor.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub enum ExecutorEvent {
[INFO] [stdout]     |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 152 |     TaskUpdate(TaskUpdate),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `net` is never read
[INFO] [stdout]   --> src/train/trainer.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct TrainingResult {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 72 |     pub net: Net,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `partition_shift` is assigned to, but never used
[INFO] [stdout]   --> src/train/backprop/multithreaded.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut partition_shift = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_partition_shift` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/train/trainer.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |     TaskSubmit(&'a Task),
[INFO] [stdout]    |     ---------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 78 -     TaskSubmit(&'a Task),
[INFO] [stdout] 78 +     TaskSubmit(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `partition_shift` is never read
[INFO] [stdout]    --> src/train/backprop/multithreaded.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     partition_shift = shared_state.partition_row_shifts[partition_index];
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_id` and `executor_id` are never read
[INFO] [stdout]   --> src/train/trainer.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     TaskAccepted {
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 80 |         task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 81 |         executor_id: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/train/trainer.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |     TaskResult(&'a TaskResult),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 -     TaskResult(&'a TaskResult),
[INFO] [stdout] 83 +     TaskResult(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/train/trainer.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     TaskUpdate(TaskUpdate)
[INFO] [stdout]    |     ---------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 84 -     TaskUpdate(TaskUpdate)
[INFO] [stdout] 84 +     TaskUpdate(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `range_usize` and `range_f32` are never used
[INFO] [stdout]  --> src/train/optimizer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ParamFactory {
[INFO] [stdout]   |           ------------ methods in this trait
[INFO] [stdout] 8 |     fn range_usize(&mut self, key: String, low: usize, high: usize) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 9 |     fn range_f32(&mut self, low: f32, high: f32) -> f32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/net.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn layer_iter(&self) -> slice::Iter<NetLayer> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn layer_iter(&self) -> slice::Iter<'_, NetLayer> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         std::mem::transmute::<u128, [u8; 16]>(val)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 20 -         std::mem::transmute::<u128, [u8; 16]>(val)
[INFO] [stdout] 20 +         u128::to_ne_bytes(val)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update_emitter`
[INFO] [stdout]   --> src/train/task.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exec(mut self, update_emitter: &dyn TaskUpdateEmitter) -> Result<TaskResult, TaskError> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_emitter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/train/executor.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn try_get_events(&self) -> TryIter<ExecutorEvent> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn try_get_events(&self) -> TryIter<'_, ExecutorEvent> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `slice_index_methods` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_index_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]    --> src/train/trainer.rs:179:56
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         ExecutorEvent::ExecutorError { task_id, executor_id, error} => {
[INFO] [stdout]     |                                                        ^^^^^^^ help: try ignoring the field: `task_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executor_id`
[INFO] [stdout]    --> src/train/trainer.rs:179:65
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         ExecutorEvent::ExecutorError { task_id, executor_id, error} => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^ help: try ignoring the field: `executor_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/main.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn observer_callback(event: &TrainingEvent) {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_partition` is never used
[INFO] [stdout]    --> src/data.rs:339:8
[INFO] [stdout]     |
[INFO] [stdout] 339 |     fn test_partition() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_id`, `error_stats`, `epoch`, and `elapsed` are never read
[INFO] [stdout]   --> src/train/task.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct TaskUpdate {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 30 |     pub task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 31 |     pub error_stats: Stats,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 32 |     pub epoch: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 33 |     pub elapsed: Duration,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emit_update` is never used
[INFO] [stdout]   --> src/train/task.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub trait TaskUpdateEmitter {
[INFO] [stdout]    |           ----------------- method in this trait
[INFO] [stdout] 37 |     fn emit_update(&self, update: TaskUpdate);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_id`, `epoch`, and `elapsed` are never read
[INFO] [stdout]   --> src/train/task.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct TaskResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 41 |     pub task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub epoch: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 45 |     pub elapsed: Duration,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TaskUpdate` is never constructed
[INFO] [stdout]    --> src/train/executor.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub enum ExecutorEvent {
[INFO] [stdout]     |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 152 |     TaskUpdate(TaskUpdate),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `net` is never read
[INFO] [stdout]   --> src/train/trainer.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct TrainingResult {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 72 |     pub net: Net,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/train/trainer.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |     TaskSubmit(&'a Task),
[INFO] [stdout]    |     ---------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 78 -     TaskSubmit(&'a Task),
[INFO] [stdout] 78 +     TaskSubmit(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_id` and `executor_id` are never read
[INFO] [stdout]   --> src/train/trainer.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     TaskAccepted {
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 80 |         task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 81 |         executor_id: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/train/trainer.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |     TaskResult(&'a TaskResult),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 -     TaskResult(&'a TaskResult),
[INFO] [stdout] 83 +     TaskResult(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/train/trainer.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     TaskUpdate(TaskUpdate)
[INFO] [stdout]    |     ---------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 84 -     TaskUpdate(TaskUpdate)
[INFO] [stdout] 84 +     TaskUpdate(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `range_usize` and `range_f32` are never used
[INFO] [stdout]  --> src/train/optimizer.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ParamFactory {
[INFO] [stdout]   |           ------------ methods in this trait
[INFO] [stdout] 8 |     fn range_usize(&mut self, key: String, low: usize, high: usize) -> usize;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 9 |     fn range_f32(&mut self, low: f32, high: f32) -> f32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/net.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn layer_iter(&self) -> slice::Iter<NetLayer> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn layer_iter(&self) -> slice::Iter<'_, NetLayer> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         std::mem::transmute::<u128, [u8; 16]>(val)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 20 -         std::mem::transmute::<u128, [u8; 16]>(val)
[INFO] [stdout] 20 +         u128::to_ne_bytes(val)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/train/executor.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn try_get_events(&self) -> TryIter<ExecutorEvent> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn try_get_events(&self) -> TryIter<'_, ExecutorEvent> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `slice_index_methods` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_index_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.17s
[INFO] running `Command { std: "docker" "inspect" "22bd8fe7134d7f5e57c79cadeb353d4ae03dfe2ffc0baf9e3fd74fe4023f281f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bd8fe7134d7f5e57c79cadeb353d4ae03dfe2ffc0baf9e3fd74fe4023f281f", kill_on_drop: false }`
[INFO] [stdout] 22bd8fe7134d7f5e57c79cadeb353d4ae03dfe2ffc0baf9e3fd74fe4023f281f
