[INFO] cloning repository https://github.com/weirdev/spectral-graph-partitioning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weirdev/spectral-graph-partitioning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdev%2Fspectral-graph-partitioning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdev%2Fspectral-graph-partitioning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d240ed374d9acf7a64545adf4c60dae6911ce3a7
[INFO] checking weirdev/spectral-graph-partitioning against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdev%2Fspectral-graph-partitioning" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weirdev/spectral-graph-partitioning on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.1.0
[INFO] [stderr]   Downloaded rand_isaac v0.1.0
[INFO] [stderr]   Downloaded rand v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f875a6047b7b90c1bfbba4c05c1fd51bfc97bc9a073284bda00706effc9d83b
[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" "6f875a6047b7b90c1bfbba4c05c1fd51bfc97bc9a073284bda00706effc9d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f875a6047b7b90c1bfbba4c05c1fd51bfc97bc9a073284bda00706effc9d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f875a6047b7b90c1bfbba4c05c1fd51bfc97bc9a073284bda00706effc9d83b", kill_on_drop: false }`
[INFO] [stdout] 6f875a6047b7b90c1bfbba4c05c1fd51bfc97bc9a073284bda00706effc9d83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcdf7b17c2c3d98eace18389abcb832ea1adc0dcf2b3c8d54a03b6e339a8369a
[INFO] running `Command { std: "docker" "start" "-a" "bcdf7b17c2c3d98eace18389abcb832ea1adc0dcf2b3c8d54a03b6e339a8369a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]     Checking ralgographpart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `matrix::Matrix`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use matrix::Matrix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix::Matrix`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use matrix::Matrix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `laplacian`
[INFO] [stdout]   --> src/graph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn laplacian(&self) -> Matrix {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_pairwise_connected`
[INFO] [stdout]   --> src/graph.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn create_pairwise_connected(pairs: usize) -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_bipartite`
[INFO] [stdout]   --> src/graph.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn create_bipartite(half_size: usize) -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_from_2d_points`
[INFO] [stdout]   --> src/graph.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn create_from_2d_points(x: Vec<f64>, y: Vec<f64>) -> Result<Graph, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]    --> src/graph.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn variance(x: &Vec<f64>) -> Result<f64, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]    --> src/graph.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn mean(x: &Vec<f64>) -> f64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_square`
[INFO] [stdout]    --> src/matrix.rs:299:12
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn to_square(self) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `golub_kahan_svd_iteration`
[INFO] [stdout]    --> src/matrix.rs:469:8
[INFO] [stdout]     |
[INFO] [stdout] 469 | pub fn golub_kahan_svd_iteration(d: Vec<f64>, f: Vec<f64>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `laplacian`
[INFO] [stdout]   --> src/graph.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn laplacian(&self) -> Matrix {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_pairwise_connected`
[INFO] [stdout]   --> src/graph.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn create_pairwise_connected(pairs: usize) -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_bipartite`
[INFO] [stdout]   --> src/graph.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn create_bipartite(half_size: usize) -> Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_from_2d_points`
[INFO] [stdout]   --> src/graph.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn create_from_2d_points(x: Vec<f64>, y: Vec<f64>) -> Result<Graph, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variance`
[INFO] [stdout]    --> src/graph.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn variance(x: &Vec<f64>) -> Result<f64, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]    --> src/graph.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn mean(x: &Vec<f64>) -> f64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_square`
[INFO] [stdout]    --> src/matrix.rs:299:12
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn to_square(self) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `golub_kahan_svd_iteration`
[INFO] [stdout]    --> src/matrix.rs:469:8
[INFO] [stdout]     |
[INFO] [stdout] 469 | pub fn golub_kahan_svd_iteration(d: Vec<f64>, f: Vec<f64>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
[INFO] running `Command { std: "docker" "inspect" "bcdf7b17c2c3d98eace18389abcb832ea1adc0dcf2b3c8d54a03b6e339a8369a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcdf7b17c2c3d98eace18389abcb832ea1adc0dcf2b3c8d54a03b6e339a8369a", kill_on_drop: false }`
[INFO] [stdout] bcdf7b17c2c3d98eace18389abcb832ea1adc0dcf2b3c8d54a03b6e339a8369a