[INFO] crate rsml 0.1.0 is already in cache
[INFO] testing rsml-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate rsml 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rsml 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsml 0.1.0
[INFO] finished tweaking crates.io crate rsml 0.1.0
[INFO] tweaked toml for crates.io crate rsml 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61aa8f59ff8d18448b1c2b7438a37ca17ea6e2eddb697c80092bd2f49435bc1f
[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" "61aa8f59ff8d18448b1c2b7438a37ca17ea6e2eddb697c80092bd2f49435bc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61aa8f59ff8d18448b1c2b7438a37ca17ea6e2eddb697c80092bd2f49435bc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61aa8f59ff8d18448b1c2b7438a37ca17ea6e2eddb697c80092bd2f49435bc1f", kill_on_drop: false }`
[INFO] [stdout] 61aa8f59ff8d18448b1c2b7438a37ca17ea6e2eddb697c80092bd2f49435bc1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edc64599741a9e1d16a49ea365c231d821d052d2e1aa62431d525cbd08bbd944
[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" "edc64599741a9e1d16a49ea365c231d821d052d2e1aa62431d525cbd08bbd944", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distance/chebyshev.rs:15:76
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn calc_distance(&self, a: &Vec<f64>, b: &Vec<f64>) -> Result<f64, Box<Error>> {
[INFO] [stdout]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/classification/k_means.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut clusters = &mut self.clusters;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]   --> src/classification/k_means.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     k: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/classification/k_means.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     data: Vec<Vec<f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clusters`
[INFO] [stdout]   --> src/classification/k_means.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     clusters: Vec<Cluster>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `distance`
[INFO] [stdout]   --> src/classification/k_means.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distance: D,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classification/k_means.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(data: Vec<Vec<f64>>, k: usize, distance: D) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cluster_to_centroids`
[INFO] [stdout]   --> src/classification/k_means.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classification/k_means.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generations`
[INFO] [stdout]   --> src/population.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Generations(u64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "edc64599741a9e1d16a49ea365c231d821d052d2e1aa62431d525cbd08bbd944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc64599741a9e1d16a49ea365c231d821d052d2e1aa62431d525cbd08bbd944", kill_on_drop: false }`
[INFO] [stdout] edc64599741a9e1d16a49ea365c231d821d052d2e1aa62431d525cbd08bbd944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f459823b7f10290e5a4d2ed4434e3d8cf63b54cc761469af1b95b7d11c7c7e
[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" "22f459823b7f10290e5a4d2ed4434e3d8cf63b54cc761469af1b95b7d11c7c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distance/chebyshev.rs:15:76
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn calc_distance(&self, a: &Vec<f64>, b: &Vec<f64>) -> Result<f64, Box<Error>> {
[INFO] [stdout]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/classification/k_means.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut clusters = &mut self.clusters;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]   --> src/classification/k_means.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     k: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/classification/k_means.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     data: Vec<Vec<f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clusters`
[INFO] [stdout]   --> src/classification/k_means.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     clusters: Vec<Cluster>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `distance`
[INFO] [stdout]   --> src/classification/k_means.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distance: D,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classification/k_means.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(data: Vec<Vec<f64>>, k: usize, distance: D) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cluster_to_centroids`
[INFO] [stdout]   --> src/classification/k_means.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classification/k_means.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distance/chebyshev.rs:15:76
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn calc_distance(&self, a: &Vec<f64>, b: &Vec<f64>) -> Result<f64, Box<Error>> {
[INFO] [stdout]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/classification/k_means.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generations`
[INFO] [stdout]   --> src/population.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Generations(u64),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/classification/k_means.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut clusters = &mut self.clusters;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]   --> src/classification/k_means.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     k: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/classification/k_means.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     data: Vec<Vec<f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clusters`
[INFO] [stdout]   --> src/classification/k_means.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     clusters: Vec<Cluster>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `distance`
[INFO] [stdout]   --> src/classification/k_means.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distance: D,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classification/k_means.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(data: Vec<Vec<f64>>, k: usize, distance: D) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cluster_to_centroids`
[INFO] [stdout]   --> src/classification/k_means.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classification/k_means.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "22f459823b7f10290e5a4d2ed4434e3d8cf63b54cc761469af1b95b7d11c7c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f459823b7f10290e5a4d2ed4434e3d8cf63b54cc761469af1b95b7d11c7c7e", kill_on_drop: false }`
[INFO] [stdout] 22f459823b7f10290e5a4d2ed4434e3d8cf63b54cc761469af1b95b7d11c7c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c0fcb6c0979597afa384c4c2c6e898ffc2247d9cf728f62d1e10436cc1d3d64
[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" "2c0fcb6c0979597afa384c4c2c6e898ffc2247d9cf728f62d1e10436cc1d3d64", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/distance/chebyshev.rs:15:76
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn calc_distance(&self, a: &Vec<f64>, b: &Vec<f64>) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/classification/k_means.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let mut clusters = &mut self.clusters;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `k`
[INFO] [stderr]   --> src/classification/k_means.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     k: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]   --> src/classification/k_means.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     data: Vec<Vec<f64>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clusters`
[INFO] [stderr]   --> src/classification/k_means.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     clusters: Vec<Cluster>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `distance`
[INFO] [stderr]   --> src/classification/k_means.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     distance: D,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(data: Vec<Vec<f64>>, k: usize, distance: D) -> Result<Self, Box<dyn Error>> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cluster_to_centroids`
[INFO] [stderr]   --> src/classification/k_means.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/distance/chebyshev.rs:15:76
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn calc_distance(&self, a: &Vec<f64>, b: &Vec<f64>) -> Result<f64, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/classification/k_means.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/classification/k_means.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let mut clusters = &mut self.clusters;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `k`
[INFO] [stderr]   --> src/classification/k_means.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     k: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]   --> src/classification/k_means.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     data: Vec<Vec<f64>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clusters`
[INFO] [stderr]   --> src/classification/k_means.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     clusters: Vec<Cluster>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `distance`
[INFO] [stderr]   --> src/classification/k_means.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     distance: D,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(data: Vec<Vec<f64>>, k: usize, distance: D) -> Result<Self, Box<dyn Error>> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cluster_to_centroids`
[INFO] [stderr]   --> src/classification/k_means.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Generations`
[INFO] [stderr]   --> src/population.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Generations(u64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsml-8b01e2bf8c22e8e7
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test classification::k_means::tests::k_means ... ok
[INFO] [stdout] test distance::chebyshev::tests::test_all_positive ... ok
[INFO] [stdout] test distance::chebyshev::tests::test_zero_distance ... ok
[INFO] [stdout] test distance::euclidean::tests::test_zero_size ... ok
[INFO] [stdout] test distance::euclidean::tests::test_zero_distance ... ok
[INFO] [stdout] test distance::chebyshev::tests::test_zero_size ... ok
[INFO] [stdout] test distance::manhattan::tests::test_different_dimens ... ok
[INFO] [stdout] test distance::manhattan::tests::test_all_positive ... ok
[INFO] [stdout] test distance::manhattan::tests::test_zero_distance ... ok
[INFO] [stdout] test distance::chebyshev::tests::test_different_dimens ... ok
[INFO] [stdout] test distance::euclidean::tests::test_all_positive ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsml-8ac97e2602591a98
[INFO] [stdout] test distance::manhattan::tests::test_zero_size ... ok
[INFO] [stderr]    Doc-tests rsml
[INFO] [stdout] test distance::euclidean::tests::test_different_dimens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c0fcb6c0979597afa384c4c2c6e898ffc2247d9cf728f62d1e10436cc1d3d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0fcb6c0979597afa384c4c2c6e898ffc2247d9cf728f62d1e10436cc1d3d64", kill_on_drop: false }`
[INFO] [stdout] 2c0fcb6c0979597afa384c4c2c6e898ffc2247d9cf728f62d1e10436cc1d3d64