[INFO] updating cached repository weirdev/spectral-graph-partitioning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/weirdev/spectral-graph-partitioning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/weirdev/spectral-graph-partitioning" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/weirdev/spectral-graph-partitioning"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/weirdev/spectral-graph-partitioning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/weirdev/spectral-graph-partitioning" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/weirdev/spectral-graph-partitioning"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/weirdev/spectral-graph-partitioning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d240ed374d9acf7a64545adf4c60dae6911ce3a7
[INFO] sha for GitHub repo weirdev/spectral-graph-partitioning: d240ed374d9acf7a64545adf4c60dae6911ce3a7
[INFO] validating manifest of weirdev/spectral-graph-partitioning on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of weirdev/spectral-graph-partitioning on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing weirdev/spectral-graph-partitioning
[INFO] finished frobbing weirdev/spectral-graph-partitioning
[INFO] frobbed toml for weirdev/spectral-graph-partitioning written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/weirdev/spectral-graph-partitioning/Cargo.toml
[INFO] started frobbing weirdev/spectral-graph-partitioning
[INFO] finished frobbing weirdev/spectral-graph-partitioning
[INFO] frobbed toml for weirdev/spectral-graph-partitioning written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/weirdev/spectral-graph-partitioning/Cargo.toml
[INFO] crate weirdev/spectral-graph-partitioning has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking weirdev/spectral-graph-partitioning against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-7/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/weirdev/spectral-graph-partitioning:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b3d46650d25659d59c49ad31eee7785849a90aac43fc9635b332788d7813072f
[INFO] running `"docker" "start" "-a" "b3d46650d25659d59c49ad31eee7785849a90aac43fc9635b332788d7813072f"`
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]     Checking ralgographpart v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `matrix::Matrix`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use matrix::Matrix;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `matrix::Matrix`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use matrix::Matrix;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `laplacian`
[INFO] [stderr]   --> src/graph.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn laplacian(&self) -> Matrix {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_pairwise_connected`
[INFO] [stderr]   --> src/graph.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn create_pairwise_connected(pairs: usize) -> Graph {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_bipartite`
[INFO] [stderr]   --> src/graph.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn create_bipartite(half_size: usize) -> Graph {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_from_2d_points`
[INFO] [stderr]   --> src/graph.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn create_from_2d_points(x: Vec<f64>, y: Vec<f64>) -> Result<Graph, &'static str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `variance`
[INFO] [stderr]    --> src/graph.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn variance(x: &Vec<f64>) -> Result<f64, &'static str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mean`
[INFO] [stderr]    --> src/graph.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn mean(x: &Vec<f64>) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_square`
[INFO] [stderr]    --> src/matrix.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn to_square(self) -> Matrix {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `golub_kahan_svd_iteration`
[INFO] [stderr]    --> src/matrix.rs:469:1
[INFO] [stderr]     |
[INFO] [stderr] 469 | pub fn golub_kahan_svd_iteration(d: Vec<f64>, f: Vec<f64>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `laplacian`
[INFO] [stderr]   --> src/graph.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn laplacian(&self) -> Matrix {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_pairwise_connected`
[INFO] [stderr]   --> src/graph.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn create_pairwise_connected(pairs: usize) -> Graph {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_bipartite`
[INFO] [stderr]   --> src/graph.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn create_bipartite(half_size: usize) -> Graph {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_from_2d_points`
[INFO] [stderr]   --> src/graph.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn create_from_2d_points(x: Vec<f64>, y: Vec<f64>) -> Result<Graph, &'static str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `variance`
[INFO] [stderr]    --> src/graph.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn variance(x: &Vec<f64>) -> Result<f64, &'static str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mean`
[INFO] [stderr]    --> src/graph.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn mean(x: &Vec<f64>) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_square`
[INFO] [stderr]    --> src/matrix.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn to_square(self) -> Matrix {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `golub_kahan_svd_iteration`
[INFO] [stderr]    --> src/matrix.rs:469:1
[INFO] [stderr]     |
[INFO] [stderr] 469 | pub fn golub_kahan_svd_iteration(d: Vec<f64>, f: Vec<f64>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `"docker" "inspect" "b3d46650d25659d59c49ad31eee7785849a90aac43fc9635b332788d7813072f"`
[INFO] running `"docker" "rm" "-f" "b3d46650d25659d59c49ad31eee7785849a90aac43fc9635b332788d7813072f"`
[INFO] [stdout] b3d46650d25659d59c49ad31eee7785849a90aac43fc9635b332788d7813072f