[INFO] cloning repository https://github.com/sjeohp/clust-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjeohp/clust-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fclust-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fclust-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5874d31eb5ce6aeef6b557f1642704fc20a25d07
[INFO] checking sjeohp/clust-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fclust-rs" "/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/sjeohp/clust-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjeohp/clust-rs
[INFO] finished tweaking git repo https://github.com/sjeohp/clust-rs
[INFO] tweaked toml for git repo https://github.com/sjeohp/clust-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sjeohp/clust-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b6ae95e9e1f76c032fee37324c5b3eef5fbb427737c56fd5c8e1ad9dc93ebc1
[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" "1b6ae95e9e1f76c032fee37324c5b3eef5fbb427737c56fd5c8e1ad9dc93ebc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b6ae95e9e1f76c032fee37324c5b3eef5fbb427737c56fd5c8e1ad9dc93ebc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6ae95e9e1f76c032fee37324c5b3eef5fbb427737c56fd5c8e1ad9dc93ebc1", kill_on_drop: false }`
[INFO] [stdout] 1b6ae95e9e1f76c032fee37324c5b3eef5fbb427737c56fd5c8e1ad9dc93ebc1
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c421f826115092626592c55e802f5ecd8262167f4833ad77be80b8a6eb3e1056
[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" "c421f826115092626592c55e802f5ecd8262167f4833ad77be80b8a6eb3e1056", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking kdtree v0.5.1
[INFO] [stderr]     Checking clust-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/kmeans.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::index::sample`
[INFO] [stdout]  --> src/kmeans.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::index::sample;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/kmeans.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     let mut sums = vec![Array1::zeros((data.cols())); nclust];
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/kmeans.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::index::sample`
[INFO] [stdout]  --> src/kmeans.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::index::sample;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/kmeans.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     let mut sums = vec![Array1::zeros((data.cols())); nclust];
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "c421f826115092626592c55e802f5ecd8262167f4833ad77be80b8a6eb3e1056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c421f826115092626592c55e802f5ecd8262167f4833ad77be80b8a6eb3e1056", kill_on_drop: false }`
[INFO] [stdout] c421f826115092626592c55e802f5ecd8262167f4833ad77be80b8a6eb3e1056