[INFO] crate rsml 0.1.0 is already in cache
[INFO] extracting crate rsml 0.1.0 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/rsml/0.1.0
[INFO] extracting crate rsml 0.1.0 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/rsml/0.1.0
[INFO] validating manifest of rsml-0.1.0 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rsml-0.1.0 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rsml-0.1.0
[INFO] finished frobbing rsml-0.1.0
[INFO] frobbed toml for rsml-0.1.0 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/rsml/0.1.0/Cargo.toml
[INFO] started frobbing rsml-0.1.0
[INFO] finished frobbing rsml-0.1.0
[INFO] frobbed toml for rsml-0.1.0 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/rsml/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rsml-0.1.0 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-4/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/rsml/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9dc9358979e74b98f54e600fa51b7b54d5f109634b5b6f235176abc581eeade6
[INFO] running `"docker" "start" "-a" "9dc9358979e74b98f54e600fa51b7b54d5f109634b5b6f235176abc581eeade6"`
[INFO] [stderr]     Checking rsml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `distance`
[INFO] [stderr]   --> src/classification/k_means.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     distance: D,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:17:5
[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: method is never used: `cluster_to_centroids`
[INFO] [stderr]   --> src/classification/k_means.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: field is never used: `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 used: `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 used: `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 used: `distance`
[INFO] [stderr]   --> src/classification/k_means.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     distance: D,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:17:5
[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: method is never used: `cluster_to_centroids`
[INFO] [stderr]   --> src/classification/k_means.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn cluster_to_centroids(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/classification/k_means.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn new(centroid: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "9dc9358979e74b98f54e600fa51b7b54d5f109634b5b6f235176abc581eeade6"`
[INFO] running `"docker" "rm" "-f" "9dc9358979e74b98f54e600fa51b7b54d5f109634b5b6f235176abc581eeade6"`
[INFO] [stdout] 9dc9358979e74b98f54e600fa51b7b54d5f109634b5b6f235176abc581eeade6