[INFO] updating cached repository https://github.com/sjeohp/clust-rs
[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] 5874d31eb5ce6aeef6b557f1642704fc20a25d07
[INFO] checking sjeohp/clust-rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fclust-rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjeohp/clust-rs 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/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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sjeohp/clust-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a96e275f43db46b4b9f8ad1d715d149806de0435d417dc04e1696eb261f09268
[INFO] running `"docker" "start" "-a" "a96e275f43db46b4b9f8ad1d715d149806de0435d417dc04e1696eb261f09268"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[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 kdtree v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clust-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/kmeans.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::index::sample`
[INFO] [stderr]  --> src/kmeans.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::seq::index::sample;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/kmeans.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     let mut sums = vec![Array1::zeros((data.cols())); nclust];
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/kmeans.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::index::sample`
[INFO] [stderr]  --> src/kmeans.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::seq::index::sample;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/kmeans.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     let mut sums = vec![Array1::zeros((data.cols())); nclust];
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `"docker" "inspect" "a96e275f43db46b4b9f8ad1d715d149806de0435d417dc04e1696eb261f09268"`
[INFO] running `"docker" "rm" "-f" "a96e275f43db46b4b9f8ad1d715d149806de0435d417dc04e1696eb261f09268"`
[INFO] [stdout] a96e275f43db46b4b9f8ad1d715d149806de0435d417dc04e1696eb261f09268