[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-1.37-6/sources/1.36.0/gh/sjeohp/clust-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sjeohp/clust-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sjeohp/clust-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sjeohp/clust-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sjeohp/clust-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sjeohp/clust-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5076606f9bfb11c2aa760db6f3d0a1fdaf9083dcfb825db97e50ceba5c240d7a
[INFO] running `"docker" "start" "-a" "5076606f9bfb11c2aa760db6f3d0a1fdaf9083dcfb825db97e50ceba5c240d7a"`
[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 ndarray v0.12.1
[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 12.65s
[INFO] running `"docker" "inspect" "5076606f9bfb11c2aa760db6f3d0a1fdaf9083dcfb825db97e50ceba5c240d7a"`
[INFO] running `"docker" "rm" "-f" "5076606f9bfb11c2aa760db6f3d0a1fdaf9083dcfb825db97e50ceba5c240d7a"`
[INFO] [stdout] 5076606f9bfb11c2aa760db6f3d0a1fdaf9083dcfb825db97e50ceba5c240d7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e71d3d74f1387f7055bd95c89e8e6b9b5b2207e266cf12c7849bcc3eab7b8eb2
[INFO] running `"docker" "start" "-a" "e71d3d74f1387f7055bd95c89e8e6b9b5b2207e266cf12c7849bcc3eab7b8eb2"`
[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 2.49s
[INFO] running `"docker" "inspect" "e71d3d74f1387f7055bd95c89e8e6b9b5b2207e266cf12c7849bcc3eab7b8eb2"`
[INFO] running `"docker" "rm" "-f" "e71d3d74f1387f7055bd95c89e8e6b9b5b2207e266cf12c7849bcc3eab7b8eb2"`
[INFO] [stdout] e71d3d74f1387f7055bd95c89e8e6b9b5b2207e266cf12c7849bcc3eab7b8eb2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 130026a561d4c1a894d5c0e8b2a48f5da95cf38a7a449509e21b980c6b0c79b5
[INFO] running `"docker" "start" "-a" "130026a561d4c1a894d5c0e8b2a48f5da95cf38a7a449509e21b980c6b0c79b5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clust_rs-18b9e8b11e235a80
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dbscan::tests::test_prediction ... ok
[INFO] [stdout] test dbscan::tests::test_border_points ... ok
[INFO] [stdout] test dbscan::tests::test_clusters ... 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" "130026a561d4c1a894d5c0e8b2a48f5da95cf38a7a449509e21b980c6b0c79b5"`
[INFO] running `"docker" "rm" "-f" "130026a561d4c1a894d5c0e8b2a48f5da95cf38a7a449509e21b980c6b0c79b5"`
[INFO] [stdout] 130026a561d4c1a894d5c0e8b2a48f5da95cf38a7a449509e21b980c6b0c79b5