[INFO] updating cached repository https://github.com/weirdev/spectral-graph-partitioning
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d240ed374d9acf7a64545adf4c60dae6911ce3a7
[INFO] checking weirdev/spectral-graph-partitioning against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdev%2Fspectral-graph-partitioning" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weirdev/spectral-graph-partitioning on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/weirdev/spectral-graph-partitioning
[INFO] finished tweaking git repo https://github.com/weirdev/spectral-graph-partitioning
[INFO] tweaked toml for git repo https://github.com/weirdev/spectral-graph-partitioning written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/weirdev/spectral-graph-partitioning already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 258b375ee7d42cc34c95c36f55aa84608d1ed92b4ed2fe5e1e588c7375b14644
[INFO] running `"docker" "start" "-a" "258b375ee7d42cc34c95c36f55aa84608d1ed92b4ed2fe5e1e588c7375b14644"`
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]     Checking ralgographpart v0.1.0 (/opt/rustwide/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 4.40s
[INFO] running `"docker" "inspect" "258b375ee7d42cc34c95c36f55aa84608d1ed92b4ed2fe5e1e588c7375b14644"`
[INFO] running `"docker" "rm" "-f" "258b375ee7d42cc34c95c36f55aa84608d1ed92b4ed2fe5e1e588c7375b14644"`
[INFO] [stdout] 258b375ee7d42cc34c95c36f55aa84608d1ed92b4ed2fe5e1e588c7375b14644