[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-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fspea2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anderson-international/spea2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] cd3fa04780c2b0b93e598bb1d473d0cd0141b1433abb4558206c79fd5b86b291
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[INFO] [stdout] cd3fa04780c2b0b93e598bb1d473d0cd0141b1433abb4558206c79fd5b86b291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651e6aaf29f0a7c8a80f79700650abcd44221f484e5b95ab5a04e22d866ff9ba
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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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(future_incompatible)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mocks.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator {
[INFO] [stdout]     |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 38s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "651e6aaf29f0a7c8a80f79700650abcd44221f484e5b95ab5a04e22d866ff9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651e6aaf29f0a7c8a80f79700650abcd44221f484e5b95ab5a04e22d866ff9ba", kill_on_drop: false }`
[INFO] [stdout] 651e6aaf29f0a7c8a80f79700650abcd44221f484e5b95ab5a04e22d866ff9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4aad86b9ce4f2e1db33d6a57d5b21c9a96d8e64a05bde89fa5cbecdfd869ab0
[INFO] running `Command { std: "docker" "start" "-a" "b4aad86b9ce4f2e1db33d6a57d5b21c9a96d8e64a05bde89fa5cbecdfd869ab0", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(future_incompatible)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mocks.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator {
[INFO] [stdout]     |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> examples/basic/model.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn get_mutation_operator(&mut self) -> MutationOperator {
[INFO] [stdout]    |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn get_mutation_operator(&mut self) -> MutationOperator<'_> {
[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)]` (part of `#[warn(future_incompatible)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mocks.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator {
[INFO] [stdout]     |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.60s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "b4aad86b9ce4f2e1db33d6a57d5b21c9a96d8e64a05bde89fa5cbecdfd869ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4aad86b9ce4f2e1db33d6a57d5b21c9a96d8e64a05bde89fa5cbecdfd869ab0", kill_on_drop: false }`
[INFO] [stdout] b4aad86b9ce4f2e1db33d6a57d5b21c9a96d8e64a05bde89fa5cbecdfd869ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee26139d0716f1b805ad4665c4b3f7e0f178bec75da84cd7f8722a19b51d8ae3
[INFO] running `Command { std: "docker" "start" "-a" "ee26139d0716f1b805ad4665c4b3f7e0f178bec75da84cd7f8722a19b51d8ae3", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(future_incompatible)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/mocks.rs:204:30
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn get_mutation_operator(&mut self) -> MutationOperator {
[INFO] [stderr]     |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn get_mutation_operator(&mut self) -> 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 11 warnings (run `cargo fix --lib -p spea2` to apply 3 suggestions)
[INFO] [stderr] warning: `spea2` (lib test) generated 10 warnings (8 duplicates)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> examples/basic/model.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn get_mutation_operator(&mut self) -> MutationOperator {
[INFO] [stderr]    |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn get_mutation_operator(&mut self) -> MutationOperator<'_> {
[INFO] [stderr]    |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `spea2` (example "basic") generated 1 warning (run `cargo fix --example "basic"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[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 2`
[INFO] [stderr]      Running unittests src/spea2.rs (/opt/rustwide/target/debug/deps/spea2-e515d15d464e6721)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test crossover::tests::crossover_neighbourhood_shuffle ... ok
[INFO] [stdout] test crossover::tests::crossover_sort_pool_by_objective ... ok
[INFO] [stdout] test fitness::tests::fitness_distances ... ok
[INFO] [stdout] test fitness::tests::fitness_fitness ... ok
[INFO] [stdout] test fitness::tests::fitness_dominators ... ok
[INFO] [stdout] test fitness::tests::fitness_strengths ... ok
[INFO] [stdout] test model::tests::model_get_average_archive_values ... ok
[INFO] [stdout] test reproduction::tests::model_set_next_population ... ok
[INFO] [stdout] test model::tests::model_next_objective_sort_index ... ok
[INFO] [stdout] test selection::tests::selection_drain_model_by_dominance ... ok
[INFO] [stdout] test selection::tests::selection_ensure_archive_size_truncate ... ok
[INFO] [stdout] test selection::tests::selection_get_closest ... ok
[INFO] [stdout] test mutation::tests::mutation_perform_mutation ... ok
[INFO] [stdout] test selection::tests::selection_get_orderable_distances ... ok
[INFO] [stdout] test selection::tests::selection_get_closest_with_tiebreak ... ok
[INFO] [stdout] test crossover::tests::crossover_perform_crossover ... ok
[INFO] [stdout] test selection::tests::selection_ensure_archive_size_extend ... 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] 
[INFO] [stdout] thread 'reproduction::tests::reproduction_select_mating_pool' (28) 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:     0x61a3a0280762 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61a3a0280762 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61a3a0280762 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61a3a0280762 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61a3a0291b5f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61a3a0291b5f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x61a3a024dbc1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61a3a024dbc1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61a3a0259c22 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61a3a025e7cf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x61a3a025e661 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x61a3a01e1c4e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x61a3a01e1c4e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61a3a025ee8f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x61a3a025ee8f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x61a3a025ecea - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x61a3a0259d59 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x61a3a024209d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x61a3a0299710 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61a3a0299513 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x61a3a0299327 - core::panicking::assert_failed::h87b296a5d40a0ee9
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x61a3a01b389d - spea2::reproduction::tests::reproduction_select_mating_pool::h392306fe73255c4f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reproduction.rs:51:9
[INFO] [stdout]   22:     0x61a3a01b38e7 - spea2::reproduction::tests::reproduction_select_mating_pool::{{closure}}::h958d81f807495abf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reproduction.rs:44:41
[INFO] [stdout]   23:     0x61a3a01b08e6 - core::ops::function::FnOnce::call_once::h70d175fb2c0af290
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61a3a01e1a0b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61a3a01e1a0b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x61a3a01f7675 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x61a3a01f7675 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x61a3a01f7675 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x61a3a01f7675 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x61a3a01f7675 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x61a3a01f7675 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x61a3a01f7675 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x61a3a01cde64 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x61a3a01cde64 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x61a3a01d172a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x61a3a01d172a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x61a3a01d172a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x61a3a01d172a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x61a3a01d172a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x61a3a01d172a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x61a3a01d172a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x61a3a0254ebf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x61a3a0254ebf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x797b10ffbaa4 - <unknown>
[INFO] [stdout]   45:     0x797b11088a34 - 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 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ee26139d0716f1b805ad4665c4b3f7e0f178bec75da84cd7f8722a19b51d8ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee26139d0716f1b805ad4665c4b3f7e0f178bec75da84cd7f8722a19b51d8ae3", kill_on_drop: false }`
[INFO] [stdout] ee26139d0716f1b805ad4665c4b3f7e0f178bec75da84cd7f8722a19b51d8ae3
