[INFO] updating cached repository sjeohp/clust-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sjeohp/clust-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sjeohp/clust-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/sjeohp/clust-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sjeohp/clust-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sjeohp/clust-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sjeohp/clust-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sjeohp/clust-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5874d31eb5ce6aeef6b557f1642704fc20a25d07
[INFO] sha for GitHub repo sjeohp/clust-rs: 5874d31eb5ce6aeef6b557f1642704fc20a25d07
[INFO] validating manifest of sjeohp/clust-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sjeohp/clust-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sjeohp/clust-rs
[INFO] finished frobbing sjeohp/clust-rs
[INFO] frobbed toml for sjeohp/clust-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/sjeohp/clust-rs/Cargo.toml
[INFO] started frobbing sjeohp/clust-rs
[INFO] finished frobbing sjeohp/clust-rs
[INFO] frobbed toml for sjeohp/clust-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sjeohp/clust-rs/Cargo.toml
[INFO] crate sjeohp/clust-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sjeohp/clust-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sjeohp/clust-rs:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] dc8a8d5810c081ed009f6d431536ae01266fa8a1e3ae1d49c836412ae59d3bd0
[INFO] running `"docker" "start" "-a" "dc8a8d5810c081ed009f6d431536ae01266fa8a1e3ae1d49c836412ae59d3bd0"`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling kdtree v0.5.1
[INFO] [stderr]    Compiling clust-rs v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `"docker" "inspect" "dc8a8d5810c081ed009f6d431536ae01266fa8a1e3ae1d49c836412ae59d3bd0"`
[INFO] running `"docker" "rm" "-f" "dc8a8d5810c081ed009f6d431536ae01266fa8a1e3ae1d49c836412ae59d3bd0"`
[INFO] [stdout] dc8a8d5810c081ed009f6d431536ae01266fa8a1e3ae1d49c836412ae59d3bd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sjeohp/clust-rs:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 675e7a5bf2c285407c8d092dffdcf883c94467b6fc87288cc997375a7ca7e02f
[INFO] running `"docker" "start" "-a" "675e7a5bf2c285407c8d092dffdcf883c94467b6fc87288cc997375a7ca7e02f"`
[INFO] [stderr]    Compiling clust-rs v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `"docker" "inspect" "675e7a5bf2c285407c8d092dffdcf883c94467b6fc87288cc997375a7ca7e02f"`
[INFO] running `"docker" "rm" "-f" "675e7a5bf2c285407c8d092dffdcf883c94467b6fc87288cc997375a7ca7e02f"`
[INFO] [stdout] 675e7a5bf2c285407c8d092dffdcf883c94467b6fc87288cc997375a7ca7e02f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sjeohp/clust-rs:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 00f228145c8bb6c1988699eaefea9ad3d12b1dff5bba2c0cd65cb14db3f8a39d
[INFO] running `"docker" "start" "-a" "00f228145c8bb6c1988699eaefea9ad3d12b1dff5bba2c0cd65cb14db3f8a39d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clust_rs-3dba6ae10aacb082
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dbscan::tests::test_prediction ... ok
[INFO] [stdout] test dbscan::tests::test_clusters ... ok
[INFO] [stdout] test dbscan::tests::test_border_points ... ok
[INFO] [stdout] test kmeans::tests::test_kmeans ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clust-rs
[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" "00f228145c8bb6c1988699eaefea9ad3d12b1dff5bba2c0cd65cb14db3f8a39d"`
[INFO] running `"docker" "rm" "-f" "00f228145c8bb6c1988699eaefea9ad3d12b1dff5bba2c0cd65cb14db3f8a39d"`
[INFO] [stdout] 00f228145c8bb6c1988699eaefea9ad3d12b1dff5bba2c0cd65cb14db3f8a39d