[INFO] fetching crate jeans 0.1.4...
[INFO] testing jeans-0.1.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate jeans 0.1.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate jeans 0.1.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4be89b05fd58d463fb7e50e8ae105bb0a5d2792f04c5c023b2344ffc36ee746e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4be89b05fd58d463fb7e50e8ae105bb0a5d2792f04c5c023b2344ffc36ee746e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be89b05fd58d463fb7e50e8ae105bb0a5d2792f04c5c023b2344ffc36ee746e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be89b05fd58d463fb7e50e8ae105bb0a5d2792f04c5c023b2344ffc36ee746e", kill_on_drop: false }`
[INFO] [stdout] 4be89b05fd58d463fb7e50e8ae105bb0a5d2792f04c5c023b2344ffc36ee746e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114b62ea33a9baf8f192f475799dd3d0c3a89d0348183ef15aac4698a35a9964
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "114b62ea33a9baf8f192f475799dd3d0c3a89d0348183ef15aac4698a35a9964", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `best_representation`
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     best_representation: Vec<f64>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_bounds`
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mean`
[INFO] [stdout]    --> src/lib.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn get_mean(&self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_std`
[INFO] [stdout]    --> src/lib.rs:266:8
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "114b62ea33a9baf8f192f475799dd3d0c3a89d0348183ef15aac4698a35a9964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114b62ea33a9baf8f192f475799dd3d0c3a89d0348183ef15aac4698a35a9964", kill_on_drop: false }`
[INFO] [stdout] 114b62ea33a9baf8f192f475799dd3d0c3a89d0348183ef15aac4698a35a9964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c183e96d5f31a75e51176546b1aaef909a71881fcd9c5beb10f014cf8f7f56f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c183e96d5f31a75e51176546b1aaef909a71881fcd9c5beb10f014cf8f7f56f9", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `best_representation`
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     best_representation: Vec<f64>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_bounds`
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mean`
[INFO] [stdout]    --> src/lib.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn get_mean(&self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_std`
[INFO] [stdout]    --> src/lib.rs:266:8
[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: 6 warnings emitted
[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)]` 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 is never read: `best_representation`
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     best_representation: Vec<f64>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_bounds`
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "c183e96d5f31a75e51176546b1aaef909a71881fcd9c5beb10f014cf8f7f56f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c183e96d5f31a75e51176546b1aaef909a71881fcd9c5beb10f014cf8f7f56f9", kill_on_drop: false }`
[INFO] [stdout] c183e96d5f31a75e51176546b1aaef909a71881fcd9c5beb10f014cf8f7f56f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e8eb2b76cfbaf3ec5e4ffc5618e670e7c22152fe6b26a258b140dcbfc41b0db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e8eb2b76cfbaf3ec5e4ffc5618e670e7c22152fe6b26a258b140dcbfc41b0db", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `best_representation`
[INFO] [stderr]    --> src/lib.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     best_representation: Vec<f64>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_bounds`
[INFO] [stderr]    --> src/lib.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_mean`
[INFO] [stderr]    --> src/lib.rs:262:8
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn get_mean(&self) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_std`
[INFO] [stderr]    --> src/lib.rs:266:8
[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: 6 warnings emitted
[INFO] [stderr] 
[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)]` on by default
[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: field is never read: `best_representation`
[INFO] [stderr]    --> src/lib.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     best_representation: Vec<f64>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_bounds`
[INFO] [stderr]    --> src/lib.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn check_bounds(&self, x: Individual) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jeans-a09177f4b4615ffa
[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 population_tests::basic_inst ... ok
[INFO] [stdout] test individual_tests::settings_inst ... ok
[INFO] [stdout] test individual_tests::mutate_check ... ok
[INFO] [stdout] test population_tests::sort_check ... ok
[INFO] [stdout] test population_tests::stat_check ... ok
[INFO] [stdout] test population_tests::empty_inst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-c9eca9866da3d83b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jeans
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Settings (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Settings::set_fitness_function (line 83) ... ok
[INFO] [stdout] test src/lib.rs - Settings::set_fitness_function (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Settings (line 23) ... ok
[INFO] [stdout] test src/functions.rs - functions::summation (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Settings::set_fitness_function (line 78) ... ok
[INFO] [stdout] test src/lib.rs - Optimizer (line 109) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e8eb2b76cfbaf3ec5e4ffc5618e670e7c22152fe6b26a258b140dcbfc41b0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8eb2b76cfbaf3ec5e4ffc5618e670e7c22152fe6b26a258b140dcbfc41b0db", kill_on_drop: false }`
[INFO] [stdout] 4e8eb2b76cfbaf3ec5e4ffc5618e670e7c22152fe6b26a258b140dcbfc41b0db