[INFO] cloning repository https://github.com/anderson-international/spea2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anderson-international/spea2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fspea2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fspea2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27f7cfbfd8964103d7cd9812880ea321640bd7bb
[INFO] testing anderson-international/spea2 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fspea2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anderson-international/spea2 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anderson-international/spea2
[INFO] removed 2 missing examples
[INFO] finished tweaking git repo https://github.com/anderson-international/spea2
[INFO] tweaked toml for git repo https://github.com/anderson-international/spea2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anderson-international/spea2 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7f3f5d9abf3400411af4870bc80ec0a303c84967fff9ff9f3e3aa46a1dbeece9", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `crossover` and `mutation`
[INFO] [stdout]  --> src/reproduction.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{crossover, mutation};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/reproduction.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/crossover.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for [p1, p2] in model.mating_pool.iter_mut().array_chunks() {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutation`
[INFO] [stdout]  --> src/reproduction.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn reproduce(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MUTATION_RATE` is never used
[INFO] [stdout]  --> src/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const MUTATION_RATE: f64 = 0.1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `neighbourhood_crossover` is never used
[INFO] [stdout]  --> src/crossover.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn neighbourhood_crossover(model: &mut Model) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_pool_by_objective` is never used
[INFO] [stdout]   --> src/crossover.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sort_pool_by_objective(model: &mut Model) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `neighbourhood_shuffle` is never used
[INFO] [stdout]   --> src/crossover.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn neighbourhood_shuffle(model: &'_ mut Model, rng: &mut ThreadRng) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_crossover` is never used
[INFO] [stdout]   --> src/crossover.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn perform_crossover(p1: &mut ModelItem, p2: &mut ModelItem, split_index: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutate` is never used
[INFO] [stdout]  --> src/mutation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn mutate(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "613da9a1fbab52933989a6b12407052a24a7fb486485c1d0deefefceb27f9ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613da9a1fbab52933989a6b12407052a24a7fb486485c1d0deefefceb27f9ff7", kill_on_drop: false }`
[INFO] [stdout] 613da9a1fbab52933989a6b12407052a24a7fb486485c1d0deefefceb27f9ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0baf3f01f930522345c995d771dd320d5ee48ddb1782967f2731324c6f6f054c
[INFO] running `Command { std: "docker" "start" "-a" "0baf3f01f930522345c995d771dd320d5ee48ddb1782967f2731324c6f6f054c", kill_on_drop: false }`
[INFO] [stderr]    Compiling spea2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `crossover` and `mutation`
[INFO] [stdout]  --> src/reproduction.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{crossover, mutation};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/reproduction.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/crossover.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for [p1, p2] in model.mating_pool.iter_mut().array_chunks() {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutation`
[INFO] [stdout]  --> src/reproduction.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn reproduce(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MUTATION_RATE` is never used
[INFO] [stdout]  --> src/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const MUTATION_RATE: f64 = 0.1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `neighbourhood_crossover` is never used
[INFO] [stdout]  --> src/crossover.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn neighbourhood_crossover(model: &mut Model) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_pool_by_objective` is never used
[INFO] [stdout]   --> src/crossover.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sort_pool_by_objective(model: &mut Model) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `neighbourhood_shuffle` is never used
[INFO] [stdout]   --> src/crossover.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn neighbourhood_shuffle(model: &'_ mut Model, rng: &mut ThreadRng) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_crossover` is never used
[INFO] [stdout]   --> src/crossover.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn perform_crossover(p1: &mut ModelItem, p2: &mut ModelItem, split_index: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutate` is never used
[INFO] [stdout]  --> src/mutation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn mutate(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crossover` and `mutation`
[INFO] [stdout]  --> src/reproduction.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{crossover, mutation};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/reproduction.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/crossover.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for [p1, p2] in model.mating_pool.iter_mut().array_chunks() {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/crossover.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for [p1, p2] in model.mating_pool.iter().array_chunks() {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/crossover.rs:64:50
[INFO] [stdout]    |
[INFO] [stdout] 64 |         for [p1, p2] in model.mating_pool.iter().array_chunks() {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutation`
[INFO] [stdout]  --> src/reproduction.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn reproduce(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MUTATION_RATE` is never used
[INFO] [stdout]  --> src/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const MUTATION_RATE: f64 = 0.1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `neighbourhood_crossover` is never used
[INFO] [stdout]  --> src/crossover.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn neighbourhood_crossover(model: &mut Model) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mutate` is never used
[INFO] [stdout]  --> src/mutation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn mutate(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0baf3f01f930522345c995d771dd320d5ee48ddb1782967f2731324c6f6f054c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0baf3f01f930522345c995d771dd320d5ee48ddb1782967f2731324c6f6f054c", kill_on_drop: false }`
[INFO] [stdout] 0baf3f01f930522345c995d771dd320d5ee48ddb1782967f2731324c6f6f054c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7515b7d64c036a3a92e2da4499d6fd017c3ef2aa2999072410121c248f2a5758
[INFO] running `Command { std: "docker" "start" "-a" "7515b7d64c036a3a92e2da4499d6fd017c3ef2aa2999072410121c248f2a5758", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `crossover` and `mutation`
[INFO] [stderr]  --> src/reproduction.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::{crossover, mutation};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/reproduction.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/crossover.rs:14:50
[INFO] [stderr]    |
[INFO] [stderr] 14 |     for [p1, p2] in model.mating_pool.iter_mut().array_chunks() {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mutation`
[INFO] [stderr]  --> src/reproduction.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn reproduce(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stderr]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutation`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MUTATION_RATE` is never used
[INFO] [stderr]  --> src/constants.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const MUTATION_RATE: f64 = 0.1;
[INFO] [stderr]   |           ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `neighbourhood_crossover` is never used
[INFO] [stderr]  --> src/crossover.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn neighbourhood_crossover(model: &mut Model) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort_pool_by_objective` is never used
[INFO] [stderr]   --> src/crossover.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn sort_pool_by_objective(model: &mut Model) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `neighbourhood_shuffle` is never used
[INFO] [stderr]   --> src/crossover.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn neighbourhood_shuffle(model: &'_ mut Model, rng: &mut ThreadRng) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `perform_crossover` is never used
[INFO] [stderr]   --> src/crossover.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn perform_crossover(p1: &mut ModelItem, p2: &mut ModelItem, split_index: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mutate` is never used
[INFO] [stderr]  --> src/mutation.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn mutate(model: &mut Model, mutation: &mut MutationOperator) {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/crossover.rs:59:50
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for [p1, p2] in model.mating_pool.iter().array_chunks() {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/crossover.rs:64:50
[INFO] [stderr]    |
[INFO] [stderr] 64 |         for [p1, p2] in model.mating_pool.iter().array_chunks() {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itermore::Itermore::array_chunks(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `spea2` (lib) generated 10 warnings (run `cargo fix --lib -p spea2` to apply 2 suggestions)
[INFO] [stderr] warning: `spea2` (lib test) generated 9 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/spea2.rs (/opt/rustwide/target/debug/deps/spea2-215ac8a9cf85a53c)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test crossover::tests::crossover_neighbourhood_shuffle ... ok
[INFO] [stdout] test crossover::tests::crossover_perform_crossover ... ok
[INFO] [stdout] test fitness::tests::fitness_distances ... ok
[INFO] [stdout] test fitness::tests::fitness_dominators ... ok
[INFO] [stdout] test fitness::tests::fitness_fitness ... ok
[INFO] [stdout] test crossover::tests::crossover_sort_pool_by_objective ... ok
[INFO] [stdout] test fitness::tests::fitness_strengths ... ok
[INFO] [stdout] test model::tests::model_get_average_archive_values ... ok
[INFO] [stdout] test model::tests::model_next_objective_sort_index ... ok
[INFO] [stdout] test reproduction::tests::model_set_next_population ... ok
[INFO] [stdout] test mutation::tests::mutation_perform_mutation ... ok
[INFO] [stdout] test selection::tests::selection_drain_model_by_dominance ... ok
[INFO] [stdout] test selection::tests::selection_ensure_archive_size_extend ... ok
[INFO] [stdout] test selection::tests::selection_ensure_archive_size_truncate ... ok
[INFO] [stdout] test selection::tests::selection_get_closest ... ok
[INFO] [stdout] test selection::tests::selection_get_closest_with_tiebreak ... ok
[INFO] [stdout] test selection::tests::selection_get_orderable_distances ... ok
[INFO] [stdout] test tests::spea2_evolve_average_fitness ... ok
[INFO] [stdout] test tests::spea2_evolve_average_archive_values ... ok
[INFO] [stdout] test reproduction::tests::reproduction_select_mating_pool ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- reproduction::tests::reproduction_select_mating_pool stdout ----
[INFO] [stdout] thread 'reproduction::tests::reproduction_select_mating_pool' panicked at src/reproduction.rs:51:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 11
[INFO] [stdout]  right: 10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x640c7fa9ceea - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x640c7fa9ceea - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x640c7fa9ceea - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x640c7fa9ceea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x640c7fac3453 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x640c7fac3453 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x640c7fa9a083 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x640c7fa9cd32 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x640c7fa9e36d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x640c7fa9e177 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x640c7fa26e77 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x640c7fa26e77 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x640c7fa9ea18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x640c7fa9ea18 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x640c7fa9e7da - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x640c7fa9d3c9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x640c7fa9e46c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x640c7f9ae060 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x640c7f9ae48c - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x640c7fa6a3fb - core::panicking::assert_failed::h6f5acea3ed196dc9
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x640c7f9e9f13 - spea2::reproduction::tests::reproduction_select_mating_pool::h45556bc9c94289e6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reproduction.rs:51:9
[INFO] [stdout]   21:     0x640c7f9e9de7 - spea2::reproduction::tests::reproduction_select_mating_pool::{{closure}}::h8a169a051c9c6b23
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reproduction.rs:44:41
[INFO] [stdout]   22:     0x640c7f9d9856 - core::ops::function::FnOnce::call_once::h4ffa8ace460bc86f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x640c7fa2b99b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x640c7fa2b99b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x640c7fa2b388 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x640c7fa2b388 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x640c7fa2b388 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x640c7fa2b388 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x640c7fa2b388 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x640c7fa2b388 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x640c7fa2b388 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x640c7f9eee2a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x640c7f9eee2a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x640c7f9f27a4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x640c7f9f27a4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x640c7f9f27a4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x640c7f9f27a4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x640c7f9f27a4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x640c7f9f27a4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x640c7f9f27a4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x640c7faa295b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x640c7faa295b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x640c7faa295b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7e61dd4bfac3 - <unknown>
[INFO] [stdout]   45:     0x7e61dd550a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     reproduction::tests::reproduction_select_mating_pool
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7515b7d64c036a3a92e2da4499d6fd017c3ef2aa2999072410121c248f2a5758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7515b7d64c036a3a92e2da4499d6fd017c3ef2aa2999072410121c248f2a5758", kill_on_drop: false }`
[INFO] [stdout] 7515b7d64c036a3a92e2da4499d6fd017c3ef2aa2999072410121c248f2a5758
