[INFO] fetching crate ratel_bandit 0.2.3...
[INFO] building ratel_bandit-0.2.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ratel_bandit 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ratel_bandit 0.2.3
[INFO] finished tweaking crates.io crate ratel_bandit 0.2.3
[INFO] tweaked toml for crates.io crate ratel_bandit 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratel_bandit 0.2.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555e2bb04c7dfc5c1a3455c7cf9bbba7c687004d649d977b568255418c17122c
[INFO] running `Command { std: "docker" "start" "-a" "555e2bb04c7dfc5c1a3455c7cf9bbba7c687004d649d977b568255418c17122c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555e2bb04c7dfc5c1a3455c7cf9bbba7c687004d649d977b568255418c17122c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555e2bb04c7dfc5c1a3455c7cf9bbba7c687004d649d977b568255418c17122c", kill_on_drop: false }`
[INFO] [stdout] 555e2bb04c7dfc5c1a3455c7cf9bbba7c687004d649d977b568255418c17122c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c1f461a5abbb28ae12ccad28e74b1da92f59719a7e9f6f5dda4b4f17d15549
[INFO] running `Command { std: "docker" "start" "-a" "04c1f461a5abbb28ae12ccad28e74b1da92f59719a7e9f6f5dda4b4f17d15549", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling ratel_bandit v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ConstantStepper`
[INFO] [stdout]  --> src/util/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use stepper::{ConstantStepper, HarmonicStepper, Stepper};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `arm_total` is never used
[INFO] [stdout]   --> src/agent/optimistic.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T> OptimisticAgent<T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bandit/gamma.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl GammaBandit {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(alphas: Vec<f64>, thetas: Vec<f64>) -> GammaBandit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bandit/gaussian.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl GaussianBandit {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(means: Vec<f64>, stds: Vec<f64>) -> GaussianBandit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bandit/log_normal.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> LogNormalBandit<'a> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(mus: &'a Vec<f64>, sigmas: &'a Vec<f64>) -> LogNormalBandit<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AggregateCounter` is never constructed
[INFO] [stdout]  --> src/util/counter/aggregate_counter.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct AggregateCounter<T: ToPrimitive> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `average`, `new`, and `total` are never used
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: Num + ToPrimitive> AggregateCounter<T> {
[INFO] [stdout]    | ---------------------------------------------- associated items in this implementation
[INFO] [stdout] 16 |     /// Computes average of values passed to counter.
[INFO] [stdout] 17 |     fn average(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn new() -> AggregateCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn total(&self) -> &T {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseCounter` is never constructed
[INFO] [stdout]  --> src/util/counter/base_counter.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct BaseCounter<T: Num> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `increment` are never used
[INFO] [stdout]   --> src/util/counter/base_counter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: Num + AddAssign> BaseCounter<T> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 14 |     /// Initializes a new base counter with initial value 0.
[INFO] [stdout] 15 |     fn new() -> BaseCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn increment(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantStepper` is never constructed
[INFO] [stdout]  --> src/util/stepper/constant.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConstantStepper {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/util/stepper/constant.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ConstantStepper {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 10 |     /// Initialize stepper with positive value.
[INFO] [stdout] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "04c1f461a5abbb28ae12ccad28e74b1da92f59719a7e9f6f5dda4b4f17d15549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c1f461a5abbb28ae12ccad28e74b1da92f59719a7e9f6f5dda4b4f17d15549", kill_on_drop: false }`
[INFO] [stdout] 04c1f461a5abbb28ae12ccad28e74b1da92f59719a7e9f6f5dda4b4f17d15549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d35d378260477303e72a5af4a50d3fb5f9dc233d810964727a0bf57a96fb876
[INFO] running `Command { std: "docker" "start" "-a" "7d35d378260477303e72a5af4a50d3fb5f9dc233d810964727a0bf57a96fb876", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stdout] warning: unused import: `ConstantStepper`
[INFO] [stdout]  --> src/util/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use stepper::{ConstantStepper, HarmonicStepper, Stepper};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `arm_total` is never used
[INFO] [stdout]   --> src/agent/optimistic.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T> OptimisticAgent<T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bandit/gamma.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl GammaBandit {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(alphas: Vec<f64>, thetas: Vec<f64>) -> GammaBandit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bandit/gaussian.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl GaussianBandit {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(means: Vec<f64>, stds: Vec<f64>) -> GaussianBandit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bandit/log_normal.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> LogNormalBandit<'a> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(mus: &'a Vec<f64>, sigmas: &'a Vec<f64>) -> LogNormalBandit<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AggregateCounter` is never constructed
[INFO] [stdout]  --> src/util/counter/aggregate_counter.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct AggregateCounter<T: ToPrimitive> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `average`, `new`, and `total` are never used
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: Num + ToPrimitive> AggregateCounter<T> {
[INFO] [stdout]    | ---------------------------------------------- associated items in this implementation
[INFO] [stdout] 16 |     /// Computes average of values passed to counter.
[INFO] [stdout] 17 |     fn average(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn new() -> AggregateCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn total(&self) -> &T {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseCounter` is never constructed
[INFO] [stdout]  --> src/util/counter/base_counter.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct BaseCounter<T: Num> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `increment` are never used
[INFO] [stdout]   --> src/util/counter/base_counter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: Num + AddAssign> BaseCounter<T> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 14 |     /// Initializes a new base counter with initial value 0.
[INFO] [stdout] 15 |     fn new() -> BaseCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn increment(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantStepper` is never constructed
[INFO] [stdout]  --> src/util/stepper/constant.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConstantStepper {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/util/stepper/constant.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ConstantStepper {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 10 |     /// Initialize stepper with positive value.
[INFO] [stdout] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ratel_bandit v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ConstantStepper`
[INFO] [stdout]  --> src/util/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use stepper::{ConstantStepper, HarmonicStepper, Stepper};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/agent/optimistic.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut stepper = HarmonicStepper::new(1, Q_INIT.len());
[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/agent/greedy.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut stepper = HarmonicStepper::new(1, Q_INIT.len());
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/agent/optimistic.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut stepper = HarmonicStepper::new(1, Q_INIT.len());
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/agent/optimistic.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut stepper = HarmonicStepper::new(1, Q_INIT.len());
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let epsilon: EpsilonGreedyAgent<u32> =
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/agent/optimistic.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut stepper = HarmonicStepper::new(1, Q_INIT.len());
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let epsilon: EpsilonGreedyAgent<u32> =
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]   --> src/agent/epsilon_greedy.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]   --> src/agent/greedy.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]   --> src/agent/greedy.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]   --> src/agent/greedy.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]   --> src/agent/optimistic.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/optimistic.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/optimistic.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q_INIT` should have a snake case name
[INFO] [stdout]    --> src/agent/optimistic.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let Q_INIT = vec![0.5, 0.61, 0.7, 0.12, 0.37];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `q_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `arm_total` is never used
[INFO] [stdout]   --> src/agent/optimistic.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T> OptimisticAgent<T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantStepper` is never constructed
[INFO] [stdout]  --> src/util/stepper/constant.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConstantStepper {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/util/stepper/constant.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ConstantStepper {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 10 |     /// Initialize stepper with positive value.
[INFO] [stdout] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "7d35d378260477303e72a5af4a50d3fb5f9dc233d810964727a0bf57a96fb876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d35d378260477303e72a5af4a50d3fb5f9dc233d810964727a0bf57a96fb876", kill_on_drop: false }`
[INFO] [stdout] 7d35d378260477303e72a5af4a50d3fb5f9dc233d810964727a0bf57a96fb876
