[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/beta-1.37-6/sources/1.36.0/gh/weirdev/spectral-graph-partitioning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/weirdev/spectral-graph-partitioning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/weirdev/spectral-graph-partitioning" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/weirdev/spectral-graph-partitioning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of weirdev/spectral-graph-partitioning on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/weirdev/spectral-graph-partitioning/Cargo.toml
[INFO] crate weirdev/spectral-graph-partitioning already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing weirdev/spectral-graph-partitioning against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 91cc538342b9f5767331e197854d6dcb0d74fed83b1604c280f52c55f343d120
[INFO] running `"docker" "start" "-a" "91cc538342b9f5767331e197854d6dcb0d74fed83b1604c280f52c55f343d120"`
[INFO] [stderr]    Compiling 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: 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 1.72s
[INFO] running `"docker" "inspect" "91cc538342b9f5767331e197854d6dcb0d74fed83b1604c280f52c55f343d120"`
[INFO] running `"docker" "rm" "-f" "91cc538342b9f5767331e197854d6dcb0d74fed83b1604c280f52c55f343d120"`
[INFO] [stdout] 91cc538342b9f5767331e197854d6dcb0d74fed83b1604c280f52c55f343d120
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 749d44f98e4aff45f8db651646efa8544eff01d9260f68a99a6ed4fac77c9c1b
[INFO] running `"docker" "start" "-a" "749d44f98e4aff45f8db651646efa8544eff01d9260f68a99a6ed4fac77c9c1b"`
[INFO] [stderr]    Compiling 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: 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 0.97s
[INFO] running `"docker" "inspect" "749d44f98e4aff45f8db651646efa8544eff01d9260f68a99a6ed4fac77c9c1b"`
[INFO] running `"docker" "rm" "-f" "749d44f98e4aff45f8db651646efa8544eff01d9260f68a99a6ed4fac77c9c1b"`
[INFO] [stdout] 749d44f98e4aff45f8db651646efa8544eff01d9260f68a99a6ed4fac77c9c1b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 3e4e909d7bd4b4561c8bb2d70536fdf6f5f65419975b361f2e4c1cd072e03f42
[INFO] running `"docker" "start" "-a" "3e4e909d7bd4b4561c8bb2d70536fdf6f5f65419975b361f2e4c1cd072e03f42"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ralgographpart-dbc3541d8a44e5f6
[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 `"docker" "inspect" "3e4e909d7bd4b4561c8bb2d70536fdf6f5f65419975b361f2e4c1cd072e03f42"`
[INFO] running `"docker" "rm" "-f" "3e4e909d7bd4b4561c8bb2d70536fdf6f5f65419975b361f2e4c1cd072e03f42"`
[INFO] [stdout] 3e4e909d7bd4b4561c8bb2d70536fdf6f5f65419975b361f2e4c1cd072e03f42