[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 master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdev%2Fspectral-graph-partitioning" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weirdev/spectral-graph-partitioning on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-1/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea41c38e60bd6f471b49ececff81cd0b033d1c04cd109550c8b2e94b842d8453
[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" "ea41c38e60bd6f471b49ececff81cd0b033d1c04cd109550c8b2e94b842d8453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea41c38e60bd6f471b49ececff81cd0b033d1c04cd109550c8b2e94b842d8453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea41c38e60bd6f471b49ececff81cd0b033d1c04cd109550c8b2e94b842d8453", kill_on_drop: false }`
[INFO] [stdout] ea41c38e60bd6f471b49ececff81cd0b033d1c04cd109550c8b2e94b842d8453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06584b497d6c547c4c9db20283365ad3138b6916cd323d6c3cebbd2446ad733
[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" "a06584b497d6c547c4c9db20283365ad3138b6916cd323d6c3cebbd2446ad733", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[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 3.79s
[INFO] running `Command { std: "docker" "inspect" "a06584b497d6c547c4c9db20283365ad3138b6916cd323d6c3cebbd2446ad733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06584b497d6c547c4c9db20283365ad3138b6916cd323d6c3cebbd2446ad733", kill_on_drop: false }`
[INFO] [stdout] a06584b497d6c547c4c9db20283365ad3138b6916cd323d6c3cebbd2446ad733