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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportaloffreedom%2Freinforcement-learning-in-rust" "/workspace/builds/worker-16/source", kill_on_drop: false }`
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[INFO] crate git repo https://github.com/portaloffreedom/reinforcement-learning-in-rust already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/environment.rs (7 fixes)
[INFO] [stderr]        Fixed src/rl.rs (12 fixes)
[INFO] [stderr]        Fixed src/main.rs (7 fixes)
[INFO] [stderr]        Fixed src/agent.rs (2 fixes)
[INFO] [stderr]        Fixed src/policy.rs (14 fixes)
[INFO] [stdout] warning: unused import: `policy::Policy`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use policy::Policy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/policy.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut s: i32= 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_i` is assigned to, but never used
[INFO] [stdout]    --> src/environment.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut count_i = 1;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_count_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialize`
[INFO] [stdout]   --> src/policy.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn initialize(& mut self, env: &Env) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RandomExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EpsilonGreedyExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct EpsilonGreedyExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoftMaxExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SoftMaxExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]    --> src/rl.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     k: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]    --> src/rl.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     l: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]    --> src/rl.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     t: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]    --> src/rl.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     size: Pos,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_statistics`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn write_statistics(name: &str, closure: &mut dyn Fn() -> (DetPolicy, Vec<String>, Vec<String>)) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:234:64
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn value_iterate_pol<P: Policy>(&self, policy: Option<&P>, V: &mut Array2<f32>, discount: f32, max_delta: f32) {
[INFO] [stdout]     |                                                                ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:265:63
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn inner<P: Policy>(&self, pos: &Pos, policy: Option<&P>, V: &Array2<f32>, discount: f32) -> (f32, f32, Movement) {
[INFO] [stdout]     |                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         problem.write_lp("problem.lp");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `policy::Policy`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use policy::Policy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/policy.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut s: i32= 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_i` is assigned to, but never used
[INFO] [stdout]    --> src/environment.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut count_i = 1;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_count_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialize`
[INFO] [stdout]   --> src/policy.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn initialize(& mut self, env: &Env) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RandomExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EpsilonGreedyExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct EpsilonGreedyExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoftMaxExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SoftMaxExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]    --> src/rl.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     k: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]    --> src/rl.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     l: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]    --> src/rl.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     t: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]    --> src/rl.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     size: Pos,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_statistics`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn write_statistics(name: &str, closure: &mut dyn Fn() -> (DetPolicy, Vec<String>, Vec<String>)) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:234:64
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn value_iterate_pol<P: Policy>(&self, policy: Option<&P>, V: &mut Array2<f32>, discount: f32, max_delta: f32) {
[INFO] [stdout]     |                                                                ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:265:63
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn inner<P: Policy>(&self, pos: &Pos, policy: Option<&P>, V: &Array2<f32>, discount: f32) -> (f32, f32, Movement) {
[INFO] [stdout]     |                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         problem.write_lp("problem.lp");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.49s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking reinforcement_learning v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused import: `policy::Policy`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use policy::Policy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/policy.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut s: i32= 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_i` is assigned to, but never used
[INFO] [stdout]    --> src/environment.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut count_i = 1;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_count_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `policy::Policy`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use policy::Policy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/policy.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut s: i32= 0;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_i` is assigned to, but never used
[INFO] [stdout]    --> src/environment.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut count_i = 1;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_count_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialize`
[INFO] [stdout]   --> src/policy.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn initialize(& mut self, env: &Env) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RandomExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EpsilonGreedyExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct EpsilonGreedyExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoftMaxExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SoftMaxExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]    --> src/rl.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     k: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]    --> src/rl.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     l: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]    --> src/rl.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     t: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]    --> src/rl.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     size: Pos,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_statistics`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn write_statistics(name: &str, closure: &mut dyn Fn() -> (DetPolicy, Vec<String>, Vec<String>)) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialize`
[INFO] [stdout]   --> src/policy.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn initialize(& mut self, env: &Env) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RandomExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EpsilonGreedyExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct EpsilonGreedyExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoftMaxExplorationStrategy`
[INFO] [stdout]   --> src/rl.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SoftMaxExplorationStrategy {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]    --> src/rl.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     k: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `l`
[INFO] [stdout]    --> src/rl.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     l: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t`
[INFO] [stdout]    --> src/rl.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     t: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]    --> src/rl.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     size: Pos,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_statistics`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn write_statistics(name: &str, closure: &mut dyn Fn() -> (DetPolicy, Vec<String>, Vec<String>)) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:234:64
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn value_iterate_pol<P: Policy>(&self, policy: Option<&P>, V: &mut Array2<f32>, discount: f32, max_delta: f32) {
[INFO] [stdout]     |                                                                ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:265:63
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn inner<P: Policy>(&self, pos: &Pos, policy: Option<&P>, V: &Array2<f32>, discount: f32) -> (f32, f32, Movement) {
[INFO] [stdout]     |                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:234:64
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn value_iterate_pol<P: Policy>(&self, policy: Option<&P>, V: &mut Array2<f32>, discount: f32, max_delta: f32) {
[INFO] [stdout]     |                                                                ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:265:63
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn inner<P: Policy>(&self, pos: &Pos, policy: Option<&P>, V: &Array2<f32>, discount: f32) -> (f32, f32, Movement) {
[INFO] [stdout]     |                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/environment.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut V = Array2::<f32>::zeros((self.size().x, self.size().y));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         problem.write_lp("problem.lp");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/environment.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         problem.write_lp("problem.lp");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d1736149e4f4fb1bba8c6726ced315ffd211c8879399ac8acace60fb04ffc4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1736149e4f4fb1bba8c6726ced315ffd211c8879399ac8acace60fb04ffc4e8", kill_on_drop: false }`
[INFO] [stdout] d1736149e4f4fb1bba8c6726ced315ffd211c8879399ac8acace60fb04ffc4e8