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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meretciel/rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeretciel%2Frust-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeretciel%2Frust-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 073635f14fd93d9a4bb143c96d12aa2f4b47b16e
[INFO] checking meretciel/rust-lab against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeretciel%2Frust-lab" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meretciel/rust-lab on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
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[INFO] started tweaking git repo https://github.com/meretciel/rust-lab
[INFO] finished tweaking git repo https://github.com/meretciel/rust-lab
[INFO] tweaked toml for git repo https://github.com/meretciel/rust-lab written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meretciel/rust-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/event_sim.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/event_sim.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Deserializer`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize, Serializer, Deserializer};
[INFO] [stdout]   |                        ^^^^^^^^^^^              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MapAccess` and `Visitor`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{MapAccess, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/bin/python_code_clearning.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/bin/python_code_clearning.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeStruct`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/bin/graph_lab.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::write`
[INFO] [stdout]  --> src/bin/graph_lab.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr::write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/bin/demo_iteration.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let v = vec![
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]  --> src/bin/demo_iteration.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Record {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 3 |     x: i32
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/bin/graph_lab.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Graph {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Deserializer`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize, Serializer, Deserializer};
[INFO] [stdout]   |                        ^^^^^^^^^^^              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MapAccess` and `Visitor`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{MapAccess, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/bin/demo_4.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Chase<T> {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 8 |     value: T
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeStruct`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_map.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyStruct2` is never constructed
[INFO] [stdout]  --> src/bin/demo_2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MyStruct2 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]  --> src/bin/worker_queue_version_1.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/gradient_descent/basic_implementation.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for k in 0..n {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SolverError` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/basic_implementation.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum SolverError {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gradient` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/basic_implementation.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl GradientCalculator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 21 |     fn gradient<F>(&self, f: &F, x: f64) -> f64
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multivariate_func` is never used
[INFO] [stdout]  --> src/bin/gradient_descent/function_wrapper.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn multivariate_func(params: &Vec<f64>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_variable_func` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn single_variable_func(xp: &f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Differentiable` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Differentiable {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GradientCalculator` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait GradientCalculator<F, A> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleGradientCalculator` is never constructed
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct SimpleGradientCalculator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DifferentiableFunc` is never constructed
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct DifferentiableFunc<'a, F, G, A> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/optimization/nelder_mead_algo.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for i in 0..N+1 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::create_dir`
[INFO] [stdout]  --> src/bin/gradient_descent/auto_diff.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::create_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/bin/optimization/nelder_mead_algo.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Config {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 41 |     fn default() -> Config {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/auto_diff.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn sub(x: NodePtr, y: NodePtr) -> NodePtr {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/auto_diff.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn mul(x: NodePtr, y: NodePtr) -> NodePtr {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/auto_diff.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn div(x: NodePtr, y: NodePtr) -> NodePtr {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ln` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn ln(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn exp(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sin` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn sin(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cos` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn cos(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     for i in 0..5 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/bin/graph_lab.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender_cloned`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let sender_cloned: Sender<Response> = sender.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender_cloned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message_id`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     let message_id = message_wrapper.message_id;
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         Message::Echo(num) => {}
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Echo` is never constructed
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Message {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 11 |     HealthCheck,
[INFO] [stdout] 12 |     Echo(i32),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StringData` is never constructed
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum ResponseMessage {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] 33 |     StringData(String)
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResponseMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message_id`, `request_id`, and `data` are never read
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Response {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 38 |     message_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 39 |     request_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 40 |     data: ResponseMessage,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::write`
[INFO] [stdout]  --> src/bin/graph_lab.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ptr::write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/matrix_multiplication_simple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/matrix_multiplication_simple.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs::append::file::FileAppender`
[INFO] [stdout]  --> src/bin/log_demo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log4rs::append::file::FileAppender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::create_dir`
[INFO] [stdout]  --> src/bin/gradient_descent/auto_diff.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::create_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nalgebra::point`
[INFO] [stdout]  --> src/bin/hierarchical_nagigable_small_world.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nalgebra::point;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/bin/graph_lab.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Graph {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         item.join();
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = item.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/hierarchical_nagigable_small_world.rs:218:68
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     new_point.borrow_mut().add_neighbor_bi(nbr, k);;
[INFO] [stdout]     |                                                                    ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeStruct`
[INFO] [stdout]  --> src/bin/serde/demo_customization_deserialization.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/auto_diff.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn sub(x: NodePtr, y: NodePtr) -> NodePtr {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/auto_diff.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn mul(x: NodePtr, y: NodePtr) -> NodePtr {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/auto_diff.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn div(x: NodePtr, y: NodePtr) -> NodePtr {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ln` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn ln(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn exp(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sin` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn sin(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cos` is never used
[INFO] [stdout]    --> src/bin/gradient_descent/auto_diff.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn cos(x: NodePtr) -> NodePtr {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/bin/demo_3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Deserializer`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize, Serializer, Deserializer};
[INFO] [stdout]   |                        ^^^^^^^^^^^              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MapAccess` and `Visitor`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{MapAccess, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Deserializer`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize, Serializer, Deserializer};
[INFO] [stdout]   |                        ^^^^^^^^^^^              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MapAccess` and `Visitor`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::de::{MapAccess, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeMap`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeStruct`
[INFO] [stdout]  --> src/bin/serde/demo_customization.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/serde/demo_customization_serialization_struct.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Rectangle {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/bin/demo_3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeMap`
[INFO] [stdout]  --> src/bin/serde/demo_customization_serialization_struct.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/serde/demo_customization_serialization_struct.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Rectangle {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bar` is never used
[INFO] [stdout]  --> src/bin/demo_functions.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn bar() { println!("bar"); }
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]  --> src/bin/worker_queue_version_1.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     for i in 0..5 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender_cloned`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let sender_cloned: Sender<Response> = sender.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender_cloned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message_id`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     let message_id = message_wrapper.message_id;
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         Message::Echo(num) => {}
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Echo` is never constructed
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Message {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 11 |     HealthCheck,
[INFO] [stdout] 12 |     Echo(i32),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StringData` is never constructed
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum ResponseMessage {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] 33 |     StringData(String)
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResponseMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message_id`, `request_id`, and `data` are never read
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Response {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 38 |     message_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 39 |     request_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 40 |     data: ResponseMessage,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/worker_queue_version_1.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         item.join();
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = item.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeStruct`
[INFO] [stdout]  --> src/bin/serde/demo_customization.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/bin/demo_4.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Chase<T> {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 8 |     value: T
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/mmp_examples/mmp_example_1.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     loop {
[INFO] [stdout] 31 | |         let int_vec: Vec<i32> = (0..5).map(|_| rng.gen::<i32>()).collect();
[INFO] [stdout] 32 | |         let float_vec: Vec<f64> = (0..5).map(|_| rng.gen::<f64>()).collect();
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         thread::sleep(Duration::from_secs(5));
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 61 |
[INFO] [stdout] 62 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/bin/mmp_examples/mmp_example_1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/mmp_examples/mmp_example_1.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Cursor, Read};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/matrix_multiplication_simple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/matrix_multiplication_simple.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/gradient_descent/basic_implementation.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for k in 0..n {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/bin/python_code_clearning.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/bin/python_code_clearning.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SolverError` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/basic_implementation.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum SolverError {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gradient` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/basic_implementation.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl GradientCalculator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 21 |     fn gradient<F>(&self, f: &F, x: f64) -> f64
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multivariate_func` is never used
[INFO] [stdout]  --> src/bin/gradient_descent/function_wrapper.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn multivariate_func(params: &Vec<f64>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_variable_func` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn single_variable_func(xp: &f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Differentiable` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Differentiable {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GradientCalculator` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait GradientCalculator<F, A> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleGradientCalculator` is never constructed
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct SimpleGradientCalculator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DifferentiableFunc` is never constructed
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct DifferentiableFunc<'a, F, G, A> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/bin/gradient_descent/function_wrapper.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/optimization/nelder_mead_algo.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for i in 0..N+1 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/bin/optimization/nelder_mead_algo.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Config {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 41 |     fn default() -> Config {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BondPricing` is never constructed
[INFO] [stdout]  --> src/bin/financial_models/bonds.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct BondPricing {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/bin/send_dyanmic_trait_through_channel.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, mpsc, Mutex};
[INFO] [stdout]   |                 ^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_bond_pricing` is never used
[INFO] [stdout]   --> src/bin/financial_models/bonds.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn calculate_bond_pricing(face_value: f64, maturity: usize, coupon_rate: f64, discount_rate: f64)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_spot_interest_rate` is never used
[INFO] [stdout]   --> src/bin/financial_models/bonds.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn calculate_spot_interest_rate(market_prices: Vec<f64>, face_value: f64, coupon_rate: f64)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_forward_rate` is never used
[INFO] [stdout]   --> src/bin/financial_models/bonds.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn calculate_forward_rate(spot_rates: &Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/bin/send_dyanmic_trait_through_channel.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, mpsc, Mutex};
[INFO] [stdout]   |                 ^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SerializeStruct`
[INFO] [stdout]  --> src/bin/serde/demo_customization_deserialization.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::ser::{SerializeMap, SerializeStruct};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyStruct2` is never constructed
[INFO] [stdout]  --> src/bin/demo_2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MyStruct2 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/bin/demo_iteration.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let v = vec![
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]  --> src/bin/demo_iteration.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Record {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 3 |     x: i32
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nalgebra::point`
[INFO] [stdout]  --> src/bin/hierarchical_nagigable_small_world.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nalgebra::point;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/hierarchical_nagigable_small_world.rs:218:68
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     new_point.borrow_mut().add_neighbor_bi(nbr, k);;
[INFO] [stdout]     |                                                                    ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queued_event`
[INFO] [stdout]    --> src/bin/event_simulation.rs:214:33
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     if let Some(queued_event) = self.queue.pop_front() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_queued_event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/bin/event_simulation.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let mut count = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queued_event`
[INFO] [stdout]    --> src/bin/event_simulation.rs:214:33
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     if let Some(queued_event) = self.queue.pop_front() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_queued_event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/bin/event_simulation.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let mut count = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/mmp_examples/mmp_example_1.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     loop {
[INFO] [stdout] 31 | |         let int_vec: Vec<i32> = (0..5).map(|_| rng.gen::<i32>()).collect();
[INFO] [stdout] 32 | |         let float_vec: Vec<f64> = (0..5).map(|_| rng.gen::<f64>()).collect();
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         thread::sleep(Duration::from_secs(5));
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 61 |
[INFO] [stdout] 62 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/bin/mmp_examples/mmp_example_1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/mmp_examples/mmp_example_1.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Cursor, Read};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs::append::file::FileAppender`
[INFO] [stdout]  --> src/bin/log_demo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log4rs::append::file::FileAppender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for t in 1..=T {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:67:60
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let mut expert_answers: Vec<f64> = (0..n).map(|x| rng.gen_range(0..2) as f64).collect();
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n_steps` is never read
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct MultiplicativeWeightsUpdateAlgo {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 10 |     n_experts: usize,
[INFO] [stdout] 11 |     n_steps: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let T = 80;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bar` is never used
[INFO] [stdout]  --> src/bin/demo_functions.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn bar() { println!("bar"); }
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/multiplicative_weights_update_algo.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     writer.write("ErrorCountOfBestExpert,ErrorCountOfMwv,ErrorCountOfRandomSelection\n".as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = writer.write("ErrorCountOfBestExpert,ErrorCountOfMwv,ErrorCountOfRandomSelection\n".as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         for t in 1..=T {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:67:60
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let mut expert_answers: Vec<f64> = (0..n).map(|x| rng.gen_range(0..2) as f64).collect();
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n_steps` is never read
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct MultiplicativeWeightsUpdateAlgo {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 10 |     n_experts: usize,
[INFO] [stdout] 11 |     n_steps: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/bin/multiplicative_weights_update_algo.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let T = 80;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/multiplicative_weights_update_algo.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     writer.write("ErrorCountOfBestExpert,ErrorCountOfMwv,ErrorCountOfRandomSelection\n".as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = writer.write("ErrorCountOfBestExpert,ErrorCountOfMwv,ErrorCountOfRandomSelection\n".as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "372fc0e7d8639db4afa99f04b61a726c3c35f9892be7ffb1459a2a5a7df099e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372fc0e7d8639db4afa99f04b61a726c3c35f9892be7ffb1459a2a5a7df099e8", kill_on_drop: false }`
[INFO] [stdout] 372fc0e7d8639db4afa99f04b61a726c3c35f9892be7ffb1459a2a5a7df099e8