[INFO] cloning repository https://github.com/Eragra3/GA
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eragra3/GA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2FGA", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2FGA'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a277d0a9cbacc3147b2e6dc13ed9bd7b1efa2fc0
[INFO] testing Eragra3/GA against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2FGA" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eragra3/GA on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eragra3/GA
[INFO] finished tweaking git repo https://github.com/Eragra3/GA
[INFO] tweaked toml for git repo https://github.com/Eragra3/GA written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Eragra3/GA already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gnuplot v0.0.22
[INFO] [stderr]   Downloaded redox_syscall v0.1.21
[INFO] [stderr]   Downloaded serde v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.9
[INFO] [stderr]   Downloaded csv-core v0.1.2
[INFO] [stderr]   Downloaded csv v1.0.0-beta.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d03902ee2dfa4a109ee0c18a91670f8fdb86baffa8ef1cfdc5883a002789dc71
[INFO] running `Command { std: "docker" "start" "-a" "d03902ee2dfa4a109ee0c18a91670f8fdb86baffa8ef1cfdc5883a002789dc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03902ee2dfa4a109ee0c18a91670f8fdb86baffa8ef1cfdc5883a002789dc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03902ee2dfa4a109ee0c18a91670f8fdb86baffa8ef1cfdc5883a002789dc71", kill_on_drop: false }`
[INFO] [stdout] d03902ee2dfa4a109ee0c18a91670f8fdb86baffa8ef1cfdc5883a002789dc71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f014d59822b2bb8d33ccac8cd9baeef1320b5d33d1b89f53ad8636bec5246da
[INFO] running `Command { std: "docker" "start" "-a" "6f014d59822b2bb8d33ccac8cd9baeef1320b5d33d1b89f53ad8636bec5246da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde v1.0.9
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling gnuplot v0.0.22
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling csv-core v0.1.2
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.9
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling csv v1.0.0-beta.3
[INFO] [stderr]    Compiling genetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/specimen.rs:145:50
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut target_index: usize = offset + index;;
[INFO] [stdout]     |                                                  ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/mutators.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Normal`
[INFO] [stdout]  --> src/mutators.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::normal::{Normal};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `worst_specimens_fitness`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_worst_specimens_fitness`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `avg_specimens_fitness`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_specimens_fitness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_specimens_fitness`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_specimens_fitness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutator`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mutator = RandomSwap::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_specimens_perc`
[INFO] [stdout]    --> src/main.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let new_specimens_perc = new_specimens_count as f64 / evolution_params.population_count as f64 * 100.;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_specimens_perc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/mutators.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for index in 0..value.len() {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
[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/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[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/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[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/mutators.rs:16:50
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
[INFO] [stdout]    |                                                  ----^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_random`
[INFO] [stdout]    --> src/specimen.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn swap_random<T>(mutable_vector: &mut [T], index: usize, range: f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mutate`
[INFO] [stdout]   --> src/mutators.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     generations_logger.serialize(row);
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |             generations_logger.serialize(row);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `Command { std: "docker" "inspect" "6f014d59822b2bb8d33ccac8cd9baeef1320b5d33d1b89f53ad8636bec5246da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f014d59822b2bb8d33ccac8cd9baeef1320b5d33d1b89f53ad8636bec5246da", kill_on_drop: false }`
[INFO] [stdout] 6f014d59822b2bb8d33ccac8cd9baeef1320b5d33d1b89f53ad8636bec5246da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2e4c4546e51db146c8e99fe9aa58f3a690d87f2d7058dc7eae7a2405a5b68ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2e4c4546e51db146c8e99fe9aa58f3a690d87f2d7058dc7eae7a2405a5b68ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling genetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/specimen.rs:145:50
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut target_index: usize = offset + index;;
[INFO] [stdout]     |                                                  ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/mutators.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Normal`
[INFO] [stdout]  --> src/mutators.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::normal::{Normal};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `worst_specimens_fitness`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_worst_specimens_fitness`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `avg_specimens_fitness`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_specimens_fitness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_specimens_fitness`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_specimens_fitness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutator`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mutator = RandomSwap::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_specimens_perc`
[INFO] [stdout]    --> src/main.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let new_specimens_perc = new_specimens_count as f64 / evolution_params.population_count as f64 * 100.;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_specimens_perc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/mutators.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for index in 0..value.len() {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
[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/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[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/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[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/mutators.rs:16:50
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
[INFO] [stdout]    |                                                  ----^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_random`
[INFO] [stdout]    --> src/specimen.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn swap_random<T>(mutable_vector: &mut [T], index: usize, range: f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mutate`
[INFO] [stdout]   --> src/mutators.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     generations_logger.serialize(row);
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |             generations_logger.serialize(row);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "e2e4c4546e51db146c8e99fe9aa58f3a690d87f2d7058dc7eae7a2405a5b68ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e4c4546e51db146c8e99fe9aa58f3a690d87f2d7058dc7eae7a2405a5b68ed", kill_on_drop: false }`
[INFO] [stdout] e2e4c4546e51db146c8e99fe9aa58f3a690d87f2d7058dc7eae7a2405a5b68ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 351bb2c35119121a585d28ea06de714dfd7245365199795da9726cfef1bf0356
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "351bb2c35119121a585d28ea06de714dfd7245365199795da9726cfef1bf0356", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/specimen.rs:145:50
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let mut target_index: usize = offset + index;;
[INFO] [stderr]     |                                                  ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/mutators.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{Rng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Normal`
[INFO] [stderr]  --> src/mutators.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::normal::{Normal};
[INFO] [stderr]   |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `worst_specimens_fitness`
[INFO] [stderr]   --> src/main.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_worst_specimens_fitness`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `avg_specimens_fitness`
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_specimens_fitness`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best_specimens_fitness`
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_specimens_fitness`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mutator`
[INFO] [stderr]   --> src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mutator = RandomSwap::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutator`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_specimens_perc`
[INFO] [stderr]    --> src/main.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let new_specimens_perc = new_specimens_count as f64 / evolution_params.population_count as f64 * 100.;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_specimens_perc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/mutators.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for index in 0..value.len() {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut worst_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1 as usize);
[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/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut avg_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut best_specimens_fitness: Vec<f64> = Vec::with_capacity(evolution_params.population_count + 1);
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mutators.rs:16:50
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
[INFO] [stderr]    |                                                  ----^^^^^
[INFO] [stderr]    |                                                  |
[INFO] [stderr]    |                                                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `swap_random`
[INFO] [stderr]    --> src/specimen.rs:143:4
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn swap_random<T>(mutable_vector: &mut [T], index: usize, range: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mutate`
[INFO] [stderr]   --> src/mutators.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn mutate<T>(& self, mutation_rate: f64, mut value: &[T])
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     generations_logger.serialize(row);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |             generations_logger.serialize(row);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/genetic-d3f659c0cfea315f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "351bb2c35119121a585d28ea06de714dfd7245365199795da9726cfef1bf0356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351bb2c35119121a585d28ea06de714dfd7245365199795da9726cfef1bf0356", kill_on_drop: false }`
[INFO] [stdout] 351bb2c35119121a585d28ea06de714dfd7245365199795da9726cfef1bf0356
