[INFO] fetching crate ratel_bandit 0.1.2...
[INFO] testing ratel_bandit-0.1.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ratel_bandit 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ratel_bandit 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ratel_bandit 0.1.2
[INFO] finished tweaking crates.io crate ratel_bandit 0.1.2
[INFO] tweaked toml for crates.io crate ratel_bandit 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56b16d3419fdfaa8380bc7acb07e13f39eee879da28d60bd394bc3b7961c95f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c56b16d3419fdfaa8380bc7acb07e13f39eee879da28d60bd394bc3b7961c95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56b16d3419fdfaa8380bc7acb07e13f39eee879da28d60bd394bc3b7961c95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56b16d3419fdfaa8380bc7acb07e13f39eee879da28d60bd394bc3b7961c95f", kill_on_drop: false }`
[INFO] [stdout] c56b16d3419fdfaa8380bc7acb07e13f39eee879da28d60bd394bc3b7961c95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc50cf6cbf4d9e090789ca5fd007b9e6f3234bdcc2774b5b57591ecac7e889a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc50cf6cbf4d9e090789ca5fd007b9e6f3234bdcc2774b5b57591ecac7e889a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling ratel_bandit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `arm_total`
[INFO] [stdout]   --> src/agent/optimistic.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bandit/gamma.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(alphas: &'a Vec<f64>, thetas: &'a Vec<f64>) -> GammaBandit<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bandit/gaussian.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(means: &'a Vec<f64>, stds: &'a Vec<f64>) -> GaussianBandit<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bandit/log_normal.rs:28:8
[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: associated function is never used: `average`
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn average(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new() -> AggregateCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total`
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn total(&self) -> &T {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/counter/base_counter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> BaseCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment`
[INFO] [stdout]   --> src/util/counter/base_counter.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn increment(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/stepper/constant.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/util/stepper/constant.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "bc50cf6cbf4d9e090789ca5fd007b9e6f3234bdcc2774b5b57591ecac7e889a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc50cf6cbf4d9e090789ca5fd007b9e6f3234bdcc2774b5b57591ecac7e889a6", kill_on_drop: false }`
[INFO] [stdout] bc50cf6cbf4d9e090789ca5fd007b9e6f3234bdcc2774b5b57591ecac7e889a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 448006c27018b7088c845e18e5b6ed8412765f6144f8aef30be37d72fd5ff394
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "448006c27018b7088c845e18e5b6ed8412765f6144f8aef30be37d72fd5ff394", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stdout] warning: associated function is never used: `arm_total`
[INFO] [stdout]   --> src/agent/optimistic.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bandit/gamma.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(alphas: &'a Vec<f64>, thetas: &'a Vec<f64>) -> GammaBandit<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bandit/gaussian.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(means: &'a Vec<f64>, stds: &'a Vec<f64>) -> GaussianBandit<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bandit/log_normal.rs:28:8
[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: associated function is never used: `average`
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn average(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new() -> AggregateCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total`
[INFO] [stdout]   --> src/util/counter/aggregate_counter.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn total(&self) -> &T {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/counter/base_counter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new() -> BaseCounter<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment`
[INFO] [stdout]   --> src/util/counter/base_counter.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn increment(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/stepper/constant.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/util/stepper/constant.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ratel_bandit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stepper`
[INFO] [stdout]   --> src/agent/epsilon_greedy.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use crate::{HarmonicStepper, Stepper};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stepper`
[INFO] [stdout]   --> src/agent/greedy.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use crate::{HarmonicStepper, Stepper};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stepper`
[INFO] [stdout]   --> src/agent/optimistic.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use crate::{HarmonicStepper, Stepper};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/agent/epsilon_greedy.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let epsilon: EpsilonGreedyAgent<u32> =
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arm_total`
[INFO] [stdout]   --> src/agent/optimistic.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/util/stepper/constant.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/util/stepper/constant.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "448006c27018b7088c845e18e5b6ed8412765f6144f8aef30be37d72fd5ff394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448006c27018b7088c845e18e5b6ed8412765f6144f8aef30be37d72fd5ff394", kill_on_drop: false }`
[INFO] [stdout] 448006c27018b7088c845e18e5b6ed8412765f6144f8aef30be37d72fd5ff394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6b2a3919d20efe0196bf9a2997b837d34270203944ba01efb2fcc288b8ec0d6
[INFO] running `Command { std: "docker" "start" "-a" "b6b2a3919d20efe0196bf9a2997b837d34270203944ba01efb2fcc288b8ec0d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `arm_total`
[INFO] [stderr]   --> src/agent/optimistic.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bandit/gamma.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(alphas: &'a Vec<f64>, thetas: &'a Vec<f64>) -> GammaBandit<'a> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bandit/gaussian.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(means: &'a Vec<f64>, stds: &'a Vec<f64>) -> GaussianBandit<'a> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bandit/log_normal.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(mus: &'a Vec<f64>, sigmas: &'a Vec<f64>) -> LogNormalBandit<'a> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `average`
[INFO] [stderr]   --> src/util/counter/aggregate_counter.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn average(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/util/counter/aggregate_counter.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn new() -> AggregateCounter<T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `total`
[INFO] [stderr]   --> src/util/counter/aggregate_counter.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn total(&self) -> &T {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/util/counter/base_counter.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new() -> BaseCounter<T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment`
[INFO] [stderr]   --> src/util/counter/base_counter.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn increment(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/util/stepper/constant.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/util/stepper/constant.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stepper`
[INFO] [stderr]   --> src/agent/epsilon_greedy.rs:91:34
[INFO] [stderr]    |
[INFO] [stderr] 91 |     use crate::{HarmonicStepper, Stepper};
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stepper`
[INFO] [stderr]   --> src/agent/greedy.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     use crate::{HarmonicStepper, Stepper};
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stepper`
[INFO] [stderr]   --> src/agent/optimistic.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |     use crate::{HarmonicStepper, Stepper};
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epsilon`
[INFO] [stderr]    --> src/agent/epsilon_greedy.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let epsilon: EpsilonGreedyAgent<u32> =
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epsilon`
[INFO] [stderr]    --> src/agent/epsilon_greedy.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let epsilon: EpsilonGreedyAgent<u32> =
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `arm_total`
[INFO] [stderr]   --> src/agent/optimistic.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn arm_total(&self) -> &Vec<f64> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/util/stepper/constant.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(step_size: f64) -> ConstantStepper {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/util/stepper/constant.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn update(&mut self, step_size: f64) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ratel_bandit-796fa0c65781861d
[INFO] [stdout] 
[INFO] [stdout] running 80 tests
[INFO] [stdout] test agent::epsilon_greedy::tests::test_new ... ok
[INFO] [stdout] test agent::epsilon_greedy::tests::test_reset ... ok
[INFO] [stdout] test agent::optimistic::tests::test_action ... ok
[INFO] [stdout] test agent::optimistic::tests::test_reset ... ok
[INFO] [stdout] test agent::optimistic::tests::test_new ... ok
[INFO] [stdout] test agent::greedy::tests::test_reset ... ok
[INFO] [stdout] test bandit::binomial::tests::test_arms ... ok
[INFO] [stdout] test bandit::binomial::tests::test_best_arm ... ok
[INFO] [stdout] test bandit::binomial::tests::test_mean ... ok
[INFO] [stdout] test bandit::binomial::tests::test_means ... ok
[INFO] [stdout] test bandit::exponential::tests::test_max_reward ... ok
[INFO] [stdout] test agent::epsilon_greedy::tests::test_q_star ... ok
[INFO] [stdout] test bandit::exponential::tests::test_mean ... ok
[INFO] [stdout] test bandit::exponential::tests::test_means ... ok
[INFO] [stdout] test agent::greedy::tests::test_q_star ... ok
[INFO] [stdout] test bandit::binomial::tests::test_max_reward ... ok
[INFO] [stdout] test agent::greedy::tests::test_action ... ok
[INFO] [stdout] test agent::optimistic::tests::test_q_star ... ok
[INFO] [stdout] test bandit::binomial::tests::test_reward ... ok
[INFO] [stdout] test bandit::binomial::tests::test_std ... ok
[INFO] [stdout] test bandit::binomial::tests::test_stds ... ok
[INFO] [stdout] test bandit::gamma::tests::test_mean ... ok
[INFO] [stdout] test bandit::gamma::tests::test_means ... ok
[INFO] [stdout] test bandit::exponential::tests::test_reward ... ok
[INFO] [stdout] test bandit::exponential::tests::test_stds ... ok
[INFO] [stdout] test bandit::exponential::tests::test_std ... ok
[INFO] [stdout] test bandit::gamma::tests::test_max_reward ... ok
[INFO] [stdout] test bandit::gamma::tests::test_stds ... ok
[INFO] [stdout] test bandit::gamma::tests::test_best_arm ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_best_arm ... ok
[INFO] [stdout] test bandit::gamma::tests::test_arms ... ok
[INFO] [stdout] test bandit::exponential::tests::test_best_arm ... ok
[INFO] [stdout] test bandit::exponential::tests::test_arms ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_mean ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_means ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_max_reward ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_reward ... ok
[INFO] [stdout] test bandit::gamma::tests::test_reward ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_std ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_stds ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_arms ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_best_arm ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_max_reward ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_mean ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_means ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_arms ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_reward ... ok
[INFO] [stdout] test bandit::gamma::tests::test_std ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_stds ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_arg_min ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_float_arg_max ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_float_arg_min ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_float_val_max ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_std ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_arg_max ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_float_val_min ... ok
[INFO] [stdout] test agent::epsilon_greedy::tests::test_new_big_epsilon ... ok
[INFO] [stdout] test util::counter::aggregate_counter::tests::test_aggregate_counter ... ok
[INFO] [stdout] test util::counter::aggregate_counter::tests::test_aggregate_int_counter ... ok
[INFO] [stderr]    Doc-tests ratel_bandit
[INFO] [stdout] test util::arg_bounds::tests::test_val_min ... ok
[INFO] [stdout] test util::counter::base_counter::tests::test_base_counter ... ok
[INFO] [stdout] test util::counter::base_counter::tests::test_base_float_counter ... ok
[INFO] [stdout] test util::counter::aggregate_counter::tests::test_aggregate_float_counter ... ok
[INFO] [stdout] test util::arg_bounds::tests::test_val_max ... ok
[INFO] [stdout] test bandit::binomial::tests::test_new_neg_prob ... ok
[INFO] [stdout] test bandit::binomial::tests::test_new_big_prob ... ok
[INFO] [stdout] test bandit::binomial::tests::test_new_wrong_size ... ok
[INFO] [stdout] test bandit::exponential::tests::test_new_neg_lambda ... ok
[INFO] [stdout] test agent::epsilon_greedy::tests::test_new_small_epsilon ... ok
[INFO] [stdout] test bandit::gamma::tests::test_new_neg_alphas ... ok
[INFO] [stdout] test bandit::gamma::tests::test_new_wrong_size ... ok
[INFO] [stdout] test bandit::gamma::tests::test_new_neg_thetas ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_new_neg_sigma ... ok
[INFO] [stdout] test bandit::log_normal::tests::test_new_wrong_size ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_new_wrong_size ... ok
[INFO] [stdout] test bandit::gaussian::tests::test_new_neg_sd ... ok
[INFO] [stdout] test util::counter::base_counter::tests::test_base_int_counter ... ok
[INFO] [stdout] test util::counter::record_counter::tests::test_record_float_counter ... ok
[INFO] [stdout] test util::counter::record_counter::tests::test_record_counter ... ok
[INFO] [stdout] test util::counter::record_counter::tests::test_record_int_counter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 80 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6b2a3919d20efe0196bf9a2997b837d34270203944ba01efb2fcc288b8ec0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b2a3919d20efe0196bf9a2997b837d34270203944ba01efb2fcc288b8ec0d6", kill_on_drop: false }`
[INFO] [stdout] b6b2a3919d20efe0196bf9a2997b837d34270203944ba01efb2fcc288b8ec0d6
