[INFO] cloning repository https://github.com/menixator/biocomputation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/menixator/biocomputation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenixator%2Fbiocomputation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenixator%2Fbiocomputation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fce4c70f5865d933893abf7751e20b28ec7e3fd5
[INFO] checking menixator/biocomputation against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenixator%2Fbiocomputation" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/menixator/biocomputation
[INFO] finished tweaking git repo https://github.com/menixator/biocomputation
[INFO] tweaked toml for git repo https://github.com/menixator/biocomputation written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/menixator/biocomputation on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/menixator/biocomputation 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fae98a91b077b8b3254719adb6a247b2ff2ef67081e66a2ff3b165214d09e006
[INFO] running `Command { std: "docker" "start" "-a" "fae98a91b077b8b3254719adb6a247b2ff2ef67081e66a2ff3b165214d09e006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae98a91b077b8b3254719adb6a247b2ff2ef67081e66a2ff3b165214d09e006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae98a91b077b8b3254719adb6a247b2ff2ef67081e66a2ff3b165214d09e006", kill_on_drop: false }`
[INFO] [stdout] fae98a91b077b8b3254719adb6a247b2ff2ef67081e66a2ff3b165214d09e006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d3d8df066ca0d1e5b34d21e1e866363f62ee5859543fecbc1bda979aeb5489
[INFO] running `Command { std: "docker" "start" "-a" "f6d3d8df066ca0d1e5b34d21e1e866363f62ee5859543fecbc1bda979aeb5489", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking biocomputation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/ga_spec.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dataitem::DataItem`
[INFO] [stdout]  --> src/population.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dataitem::DataItem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/rule.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{self, Debug, Display};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::candidate::Candidate`
[INFO] [stdout]  --> src/selection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::candidate::Candidate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossoverStrategyCommonOptions`, `CrossoverStrategy`, `MatchupStrategy`, `MatingStrategy`, and `MirroringStrategy`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     CrossoverStrategy, CrossoverStrategyCommonOptions, MatchupStrategy, MatingStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     MirroringStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutationStrategyCommonOptions`, `MutationStrategyVariant`, and `MutationStrategy`
[INFO] [stdout]   --> src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | use mutation::{MutationStrategy, MutationStrategyCommonOptions, MutationStrategyVariant};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GaSpec`
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | use ga_spec::{CalculatedSpecs, GaSpec, GaSpecInput};
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DuplicateHandlingStrategy`, `RouletteSelection`, `SelectionStrategyCommonOptions`, `SelectionStrategyVariant`, `SelectionStrategy`, and `TournamentSelection`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     DuplicateHandlingStrategy, RouletteSelection, Selection, SelectionStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     SelectionStrategyCommonOptions, SelectionStrategyVariant, TournamentSelection,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/ga_spec.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dataitem::DataItem`
[INFO] [stdout]  --> src/population.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dataitem::DataItem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/rule.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{self, Debug, Display};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::candidate::Candidate`
[INFO] [stdout]  --> src/selection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::candidate::Candidate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CrossoverStrategyCommonOptions`, `CrossoverStrategy`, `MatchupStrategy`, `MatingStrategy`, and `MirroringStrategy`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     CrossoverStrategy, CrossoverStrategyCommonOptions, MatchupStrategy, MatingStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     MirroringStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutationStrategyCommonOptions`, `MutationStrategyVariant`, and `MutationStrategy`
[INFO] [stdout]   --> src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | use mutation::{MutationStrategy, MutationStrategyCommonOptions, MutationStrategyVariant};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GaSpec`
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | use ga_spec::{CalculatedSpecs, GaSpec, GaSpecInput};
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DuplicateHandlingStrategy`, `RouletteSelection`, `SelectionStrategyCommonOptions`, `SelectionStrategyVariant`, `SelectionStrategy`, and `TournamentSelection`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     DuplicateHandlingStrategy, RouletteSelection, Selection, SelectionStrategy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     SelectionStrategyCommonOptions, SelectionStrategyVariant, TournamentSelection,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Selection`
[INFO] [stdout]   --> src/main.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 |     DuplicateHandlingStrategy, RouletteSelection, Selection, SelectionStrategy,
[INFO] [stdout]    |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Selection`
[INFO] [stdout]   --> src/main.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 |     DuplicateHandlingStrategy, RouletteSelection, Selection, SelectionStrategy,
[INFO] [stdout]    |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_number` is never read
[INFO] [stdout]   --> src/dataset.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         line_number: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_number` is never read
[INFO] [stdout]   --> src/dataset.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         line_number: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_number` is never read
[INFO] [stdout]   --> src/dataset.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         line_number: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_number` is never read
[INFO] [stdout]   --> src/dataset.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         line_number: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mutation.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         mut population: &mut Population,
[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/rule.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn generate<T: Rng>(mut rng: &mut T, spec: &GaSpec) -> Self {
[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/mutation.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         mut population: &mut Population,
[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/rule.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn generate<T: Rng>(mut rng: &mut T, spec: &GaSpec) -> Self {
[INFO] [stdout]    |                             ----^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/selection.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             for i in 0..self.tournament_size {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/selection.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             for i in 0..self.tournament_size {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let (training, test) = data_set.split_at_percentage(opt.split_percentage)?;
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     for i in 0..ga_specs.max_evolutions {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/main.rs:102:41
[INFO] [stdout]     |
[INFO] [stdout] 102 |         for CandidateFitness { fitness, candidate } in &fitness {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: try ignoring the field: `candidate: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let (training, test) = data_set.split_at_percentage(opt.split_percentage)?;
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     for i in 0..ga_specs.max_evolutions {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/main.rs:102:41
[INFO] [stdout]     |
[INFO] [stdout] 102 |         for CandidateFitness { fitness, candidate } in &fitness {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: try ignoring the field: `candidate: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutation_count` is never read
[INFO] [stdout]   --> src/candidate.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Candidate {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     rules: HashSet<Rule>,
[INFO] [stdout] 13 |     mutation_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Candidate` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mutation_count`, `set_mutation_count`, `increment_mutation_count`, `age`, `birth_generation_id`, and `rules_mut` are never used
[INFO] [stdout]   --> src/candidate.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Candidate {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn mutation_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_mutation_count(&mut self, new_mutation_count: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn increment_mutation_count(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn age(&mut self, current_generation_id: usize) -> Option<isize> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn birth_generation_id(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn rules_mut(&mut self) -> &mut HashSet<Rule> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RngFail` is never constructed
[INFO] [stdout]   --> src/crossover.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum CrossoverError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 56 |     #[error("rng failed to generate a unique value")]
[INFO] [stdout] 57 |     RngFail,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CrossoverError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HeterogenousData` and `InvalidPercentage` are never constructed
[INFO] [stdout]   --> src/dataset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum DataSetError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 62 |     #[error("found different kinds of data")]
[INFO] [stdout] 63 |     HeterogenousData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     InvalidPercentage,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataSetError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_generation` and `candidates_mut` are never used
[INFO] [stdout]   --> src/population.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Population {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set_generation(&mut self, new_generation: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn candidates_mut(&mut self) -> &mut HashSet<Candidate> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutation_count` is never read
[INFO] [stdout]   --> src/candidate.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Candidate {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     rules: HashSet<Rule>,
[INFO] [stdout] 13 |     mutation_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Candidate` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mutation_count`, `set_mutation_count`, `increment_mutation_count`, `age`, `birth_generation_id`, and `rules_mut` are never used
[INFO] [stdout]   --> src/candidate.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Candidate {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn mutation_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_mutation_count(&mut self, new_mutation_count: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn increment_mutation_count(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn age(&mut self, current_generation_id: usize) -> Option<isize> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn birth_generation_id(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn rules_mut(&mut self) -> &mut HashSet<Rule> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RngFail` is never constructed
[INFO] [stdout]   --> src/crossover.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum CrossoverError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 56 |     #[error("rng failed to generate a unique value")]
[INFO] [stdout] 57 |     RngFail,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CrossoverError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `char_at` is never used
[INFO] [stdout]   --> src/dataitem.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl DataItem {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn char_at(&self, index: usize) -> Option<char> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HeterogenousData` and `InvalidPercentage` are never constructed
[INFO] [stdout]   --> src/dataset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum DataSetError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 62 |     #[error("found different kinds of data")]
[INFO] [stdout] 63 |     HeterogenousData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     InvalidPercentage,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataSetError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_generation` and `candidates_mut` are never used
[INFO] [stdout]   --> src/population.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Population {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set_generation(&mut self, new_generation: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn candidates_mut(&mut self) -> &mut HashSet<Candidate> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/population.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 72 |         data_set: &'_ DataSet,
[INFO] [stdout] 73 |     ) -> Result<Vec<CandidateFitness>, FitnessCalculationError> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     ) -> Result<Vec<CandidateFitness<'_>>, FitnessCalculationError> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/population.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 72 |         data_set: &'_ DataSet,
[INFO] [stdout] 73 |     ) -> Result<Vec<CandidateFitness>, FitnessCalculationError> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     ) -> Result<Vec<CandidateFitness<'_>>, FitnessCalculationError> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.92s
[INFO] running `Command { std: "docker" "inspect" "f6d3d8df066ca0d1e5b34d21e1e866363f62ee5859543fecbc1bda979aeb5489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d3d8df066ca0d1e5b34d21e1e866363f62ee5859543fecbc1bda979aeb5489", kill_on_drop: false }`
[INFO] [stdout] f6d3d8df066ca0d1e5b34d21e1e866363f62ee5859543fecbc1bda979aeb5489
