[INFO] fetching crate jeans 0.1.4...
[INFO] testing jeans-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jeans 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jeans 0.1.4
[INFO] finished tweaking crates.io crate jeans 0.1.4
[INFO] tweaked toml for crates.io crate jeans 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jeans 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[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 }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00dac895a81e5f85952ad76fbda90fd4439711a47cf645c2cf9c6b4e36f6161
[INFO] running `Command { std: "docker" "start" "-a" "f00dac895a81e5f85952ad76fbda90fd4439711a47cf645c2cf9c6b4e36f6161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00dac895a81e5f85952ad76fbda90fd4439711a47cf645c2cf9c6b4e36f6161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00dac895a81e5f85952ad76fbda90fd4439711a47cf645c2cf9c6b4e36f6161", kill_on_drop: false }`
[INFO] [stdout] f00dac895a81e5f85952ad76fbda90fd4439711a47cf645c2cf9c6b4e36f6161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8c0a52ab18690a69e9065d94143037da8b103d370e11f5e5d1d192f5bb1e4151
[INFO] running `Command { std: "docker" "start" "-a" "8c0a52ab18690a69e9065d94143037da8b103d370e11f5e5d1d192f5bb1e4151", kill_on_drop: false }`
[INFO] [stderr]    Compiling jeans v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |         for i in (self.settings.population_size as usize - number_of_crosses as usize)..self.settings.population_size as usize{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `best_representation` is never read
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Optimizer {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 120 |     best_representation: Vec<f64>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_bounds` is never used
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Optimizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_mean` and `get_std` are never used
[INFO] [stdout]    --> src/lib.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl Population {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 262 |     fn get_mean(&self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn get_std(&self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod functions;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8c0a52ab18690a69e9065d94143037da8b103d370e11f5e5d1d192f5bb1e4151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0a52ab18690a69e9065d94143037da8b103d370e11f5e5d1d192f5bb1e4151", kill_on_drop: false }`
[INFO] [stdout] 8c0a52ab18690a69e9065d94143037da8b103d370e11f5e5d1d192f5bb1e4151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6936b6397710cb51eac999d0bc9938a7b03aae5ada94f32699665413bde031b7
[INFO] running `Command { std: "docker" "start" "-a" "6936b6397710cb51eac999d0bc9938a7b03aae5ada94f32699665413bde031b7", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |         for i in (self.settings.population_size as usize - number_of_crosses as usize)..self.settings.population_size as usize{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `best_representation` is never read
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Optimizer {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 120 |     best_representation: Vec<f64>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_bounds` is never used
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Optimizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jeans v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_mean` and `get_std` are never used
[INFO] [stdout]    --> src/lib.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl Population {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 262 |     fn get_mean(&self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn get_std(&self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod functions;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |         for i in (self.settings.population_size as usize - number_of_crosses as usize)..self.settings.population_size as usize{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let x = Population::new(&mut Settings::default());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |         let x = Population::empty();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let x = Individual {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let x = Individual::new(&mut crate::Settings::default());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let y = x.clone();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:394:13
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let y = x.mutate();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `best_representation` is never read
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Optimizer {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 120 |     best_representation: Vec<f64>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_bounds` is never used
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Optimizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod functions;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "6936b6397710cb51eac999d0bc9938a7b03aae5ada94f32699665413bde031b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6936b6397710cb51eac999d0bc9938a7b03aae5ada94f32699665413bde031b7", kill_on_drop: false }`
[INFO] [stdout] 6936b6397710cb51eac999d0bc9938a7b03aae5ada94f32699665413bde031b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 860753954dafd7819ebc3c59d4149ea1952e9d05218edad5a91e4e9ed7afaa7a
[INFO] running `Command { std: "docker" "start" "-a" "860753954dafd7819ebc3c59d4149ea1952e9d05218edad5a91e4e9ed7afaa7a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         for i in (self.settings.population_size as usize - number_of_crosses as usize)..self.settings.population_size as usize{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `best_representation` is never read
[INFO] [stderr]    --> src/lib.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub struct Optimizer {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 120 |     best_representation: Vec<f64>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `check_bounds` is never used
[INFO] [stderr]    --> src/lib.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 123 | impl Optimizer {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_mean` and `get_std` are never used
[INFO] [stderr]    --> src/lib.rs:262:8
[INFO] [stderr]     |
[INFO] [stderr] 227 | impl Population {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 262 |     fn get_mean(&self) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 266 |     fn get_std(&self) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a module
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub mod functions;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:291:13
[INFO] [stderr]     |
[INFO] [stderr] 291 |         let x = Population::new(&mut Settings::default());
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 |         let x = Population::empty();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:374:13
[INFO] [stderr]     |
[INFO] [stderr] 374 |         let x = Individual {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:382:13
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let x = Individual::new(&mut crate::Settings::default());
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |         let y = x.clone();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:394:13
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let y = x.mutate();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: `jeans` (lib) generated 5 warnings
[INFO] [stderr] warning: `jeans` (lib test) generated 10 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jeans-9202c6a605585c26)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test individual_tests::basic_inst ... ok
[INFO] [stdout] test individual_tests::clone_check ... ok
[INFO] [stdout] test individual_tests::mutate_check ... ok
[INFO] [stdout] test individual_tests::settings_inst ... ok
[INFO] [stdout] test population_tests::stat_check ... ok
[INFO] [stdout] test population_tests::sort_check ... ok
[INFO] [stdout] test population_tests::empty_inst ... ok
[INFO] [stdout] test population_tests::basic_inst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-1e93b738283029bc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test medium ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jeans
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_doc_code_examples)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_doc_code_examples)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `rustdoc::missing_doc_code_examples` lint is unstable
[INFO] [stderr]   = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Optimizer (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Settings::set_fitness_function (line 78) ... ok
[INFO] [stdout] test src/lib.rs - Settings::set_fitness_function (line 83) ... ok
[INFO] [stdout] test src/lib.rs - Settings (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Settings (line 23) ... ok
[INFO] [stdout] test src/lib.rs - Settings::set_fitness_function (line 88) ... ok
[INFO] [stdout] test src/functions.rs - functions::summation (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "860753954dafd7819ebc3c59d4149ea1952e9d05218edad5a91e4e9ed7afaa7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860753954dafd7819ebc3c59d4149ea1952e9d05218edad5a91e4e9ed7afaa7a", kill_on_drop: false }`
[INFO] [stdout] 860753954dafd7819ebc3c59d4149ea1952e9d05218edad5a91e4e9ed7afaa7a