[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] testing menixator/biocomputation against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenixator%2Fbiocomputation" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/menixator/biocomputation on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-79/source/Cargo.toml
[INFO] crate git repo https://github.com/menixator/biocomputation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de15bf592a22331785dddf9eb0a7da509afa9a8ff0e20dd36611e5f2499a3645
[INFO] running `Command { std: "docker" "start" "-a" "de15bf592a22331785dddf9eb0a7da509afa9a8ff0e20dd36611e5f2499a3645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de15bf592a22331785dddf9eb0a7da509afa9a8ff0e20dd36611e5f2499a3645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de15bf592a22331785dddf9eb0a7da509afa9a8ff0e20dd36611e5f2499a3645", kill_on_drop: false }`
[INFO] [stdout] de15bf592a22331785dddf9eb0a7da509afa9a8ff0e20dd36611e5f2499a3645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f659de16f06acc1bda3e0c1cfa390f2fe2cd056af4516309810876895cfb5e13
[INFO] running `Command { std: "docker" "start" "-a" "f659de16f06acc1bda3e0c1cfa390f2fe2cd056af4516309810876895cfb5e13", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling biocomputation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `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)]` 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`, `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`, `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`, `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 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]    = note: `#[warn(unused_variables)]` on by default
[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: `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] 
[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)]` 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: associated function is never used: `mutation_count`
[INFO] [stdout]   --> src/candidate.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn mutation_count(&self) -> usize {
[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: `set_mutation_count`
[INFO] [stdout]   --> src/candidate.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn set_mutation_count(&mut self, new_mutation_count: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_mutation_count`
[INFO] [stdout]   --> src/candidate.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn increment_mutation_count(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `age`
[INFO] [stdout]   --> src/candidate.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn age(&mut self, current_generation_id: usize) -> Option<isize> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `birth_generation_id`
[INFO] [stdout]   --> src/candidate.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn birth_generation_id(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rules_mut`
[INFO] [stdout]   --> src/candidate.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn rules_mut(&mut self) -> &mut HashSet<Rule> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RngFail`
[INFO] [stdout]   --> src/crossover.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     RngFail,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `char_at`
[INFO] [stdout]   --> src/dataitem.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn char_at(&self, index: usize) -> Option<char> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HeterogenousData`
[INFO] [stdout]   --> src/dataset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     HeterogenousData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidPercentage`
[INFO] [stdout]   --> src/dataset.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     InvalidPercentage,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_generation`
[INFO] [stdout]   --> src/population.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn set_generation(&mut self, new_generation: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `candidates_mut`
[INFO] [stdout]   --> src/population.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn candidates_mut(&mut self) -> &mut HashSet<Candidate> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.04s
[INFO] running `Command { std: "docker" "inspect" "f659de16f06acc1bda3e0c1cfa390f2fe2cd056af4516309810876895cfb5e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f659de16f06acc1bda3e0c1cfa390f2fe2cd056af4516309810876895cfb5e13", kill_on_drop: false }`
[INFO] [stdout] f659de16f06acc1bda3e0c1cfa390f2fe2cd056af4516309810876895cfb5e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652615c79b3360aa71c01dc6209f4b1965c3c17833b7bdb6f8c91c044a3dc78a
[INFO] running `Command { std: "docker" "start" "-a" "652615c79b3360aa71c01dc6209f4b1965c3c17833b7bdb6f8c91c044a3dc78a", kill_on_drop: false }`
[INFO] [stderr]    Compiling biocomputation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `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)]` 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`, `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`, `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`, `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 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]    = note: `#[warn(unused_variables)]` on by default
[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: `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] 
[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)]` 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: associated function is never used: `mutation_count`
[INFO] [stdout]   --> src/candidate.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn mutation_count(&self) -> usize {
[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: `set_mutation_count`
[INFO] [stdout]   --> src/candidate.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn set_mutation_count(&mut self, new_mutation_count: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_mutation_count`
[INFO] [stdout]   --> src/candidate.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn increment_mutation_count(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `age`
[INFO] [stdout]   --> src/candidate.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn age(&mut self, current_generation_id: usize) -> Option<isize> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `birth_generation_id`
[INFO] [stdout]   --> src/candidate.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn birth_generation_id(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rules_mut`
[INFO] [stdout]   --> src/candidate.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn rules_mut(&mut self) -> &mut HashSet<Rule> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RngFail`
[INFO] [stdout]   --> src/crossover.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     RngFail,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HeterogenousData`
[INFO] [stdout]   --> src/dataset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     HeterogenousData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidPercentage`
[INFO] [stdout]   --> src/dataset.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     InvalidPercentage,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_generation`
[INFO] [stdout]   --> src/population.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn set_generation(&mut self, new_generation: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `candidates_mut`
[INFO] [stdout]   --> src/population.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn candidates_mut(&mut self) -> &mut HashSet<Candidate> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "652615c79b3360aa71c01dc6209f4b1965c3c17833b7bdb6f8c91c044a3dc78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652615c79b3360aa71c01dc6209f4b1965c3c17833b7bdb6f8c91c044a3dc78a", kill_on_drop: false }`
[INFO] [stdout] 652615c79b3360aa71c01dc6209f4b1965c3c17833b7bdb6f8c91c044a3dc78a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96d52668b6da2780f655c0e0f3365c4068fd4751135d9e08421199a0c182e536
[INFO] running `Command { std: "docker" "start" "-a" "96d52668b6da2780f655c0e0f3365c4068fd4751135d9e08421199a0c182e536", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/main.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/ga_spec.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::dataitem::DataItem`
[INFO] [stderr]  --> src/population.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::dataitem::DataItem;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/rule.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{self, Debug, Display};
[INFO] [stderr]   |                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::candidate::Candidate`
[INFO] [stderr]  --> src/selection.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::candidate::Candidate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CrossoverStrategyCommonOptions`, `CrossoverStrategy`, `MatchupStrategy`, `MatingStrategy`, `MirroringStrategy`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     CrossoverStrategy, CrossoverStrategyCommonOptions, MatchupStrategy, MatingStrategy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 20 |     MirroringStrategy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutationStrategyCommonOptions`, `MutationStrategyVariant`, `MutationStrategy`
[INFO] [stderr]   --> src/main.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 | use mutation::{MutationStrategy, MutationStrategyCommonOptions, MutationStrategyVariant};
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GaSpec`
[INFO] [stderr]   --> src/main.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 | use ga_spec::{CalculatedSpecs, GaSpec, GaSpecInput};
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DuplicateHandlingStrategy`, `RouletteSelection`, `SelectionStrategyCommonOptions`, `SelectionStrategyVariant`, `SelectionStrategy`, `TournamentSelection`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     DuplicateHandlingStrategy, RouletteSelection, Selection, SelectionStrategy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 28 |     SelectionStrategyCommonOptions, SelectionStrategyVariant, TournamentSelection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Selection`
[INFO] [stderr]   --> src/main.rs:27:51
[INFO] [stderr]    |
[INFO] [stderr] 27 |     DuplicateHandlingStrategy, RouletteSelection, Selection, SelectionStrategy,
[INFO] [stderr]    |                                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let (training, test) = data_set.split_at_percentage(opt.split_percentage)?;
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     for i in 0..ga_specs.max_evolutions {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `candidate`
[INFO] [stderr]    --> src/main.rs:102:41
[INFO] [stderr]     |
[INFO] [stderr] 102 |         for CandidateFitness { fitness, candidate } in &fitness {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: try ignoring the field: `candidate: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/selection.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |             for i in 0..self.tournament_size {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mutation.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         mut population: &mut Population,
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rule.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn generate<T: Rng>(mut rng: &mut T, spec: &GaSpec) -> Self {
[INFO] [stderr]    |                             ----^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mutation_count`
[INFO] [stderr]   --> src/candidate.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn mutation_count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_mutation_count`
[INFO] [stderr]   --> src/candidate.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn set_mutation_count(&mut self, new_mutation_count: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment_mutation_count`
[INFO] [stderr]   --> src/candidate.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn increment_mutation_count(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `age`
[INFO] [stderr]   --> src/candidate.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn age(&mut self, current_generation_id: usize) -> Option<isize> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `birth_generation_id`
[INFO] [stderr]   --> src/candidate.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn birth_generation_id(&self) -> Option<usize> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rules_mut`
[INFO] [stderr]   --> src/candidate.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn rules_mut(&mut self) -> &mut HashSet<Rule> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RngFail`
[INFO] [stderr]   --> src/crossover.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     RngFail,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HeterogenousData`
[INFO] [stderr]   --> src/dataset.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     HeterogenousData,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidPercentage`
[INFO] [stderr]   --> src/dataset.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     InvalidPercentage,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_generation`
[INFO] [stderr]   --> src/population.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn set_generation(&mut self, new_generation: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `candidates_mut`
[INFO] [stderr]   --> src/population.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn candidates_mut(&mut self) -> &mut HashSet<Candidate> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/biocomputation-a44eca7e8b92c0a0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dataitem::test::test_non_ascii ... ok
[INFO] [stdout] test dataitem::test::test_binary ... ok
[INFO] [stdout] test dataitem::test::test_one_ignored ... ok
[INFO] [stdout] test dataitem::test::test_num_digits_width ... ok
[INFO] [stdout] test dataitem::test::test_non_digit ... ok
[INFO] [stdout] test dataitem::test::test_char_at ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dataitem::test::test_char_at stdout ----
[INFO] [stdout] thread 'dataitem::test::test_char_at' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `Some('1')`,
[INFO] [stdout]  right: `Some('9')`', src/dataitem.rs:172:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562417c65110 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x562417c65110 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562417c65110 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x562417c65110 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x562417c88c4c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x562417c62035 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x562417c6727b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x562417c6727b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x562417c6727b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x562417c66d8c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x562417c67944 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x562417c67427 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x562417c6560c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x562417c67389 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x562417a4ab31 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x562417c87568 - core::panicking::assert_failed_inner::h33b45280069a80ed
[INFO] [stdout]   16:     0x562417a5212a - core::panicking::assert_failed::h40231c17e5b8441d
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x562417a4efd4 - biocomputation::dataitem::test::test_char_at::h782f90f1fbe26ad4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dataitem.rs:172:9
[INFO] [stdout]   18:     0x562417a4ee8a - biocomputation::dataitem::test::test_char_at::{{closure}}::hfc696c7aeb1471fd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dataitem.rs:168:5
[INFO] [stdout]   19:     0x562417a4f91e - core::ops::function::FnOnce::call_once::h4163c59289b0146c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x562417a7c3a3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x562417a7c3a3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x562417a7ae60 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x562417a7ae60 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x562417a7ae60 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x562417a7ae60 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x562417a7ae60 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x562417a7ae60 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x562417a7ae60 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x562417a54512 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x562417a54512 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x562417a580c8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x562417a580c8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x562417a580c8 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x562417a580c8 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x562417a580c8 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x562417a580c8 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x562417a580c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x562417c6c407 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x562417c6c407 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x562417c6c407 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f53ada53609 - start_thread
[INFO] [stdout]   42:     0x7f53adcde293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dataitem::test::test_char_at
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin biocomputation'
[INFO] running `Command { std: "docker" "inspect" "96d52668b6da2780f655c0e0f3365c4068fd4751135d9e08421199a0c182e536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d52668b6da2780f655c0e0f3365c4068fd4751135d9e08421199a0c182e536", kill_on_drop: false }`
[INFO] [stdout] 96d52668b6da2780f655c0e0f3365c4068fd4751135d9e08421199a0c182e536
