[INFO] fetching crate rkm 0.8.0...
[INFO] extracting crate rkm 0.8.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rkm/0.8.0
[INFO] extracting crate rkm 0.8.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rkm/0.8.0
[INFO] validating manifest of rkm-0.8.0 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 rkm-0.8.0 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 rkm-0.8.0
[INFO] finished frobbing rkm-0.8.0
[INFO] frobbed toml for rkm-0.8.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rkm/0.8.0/Cargo.toml
[INFO] started frobbing rkm-0.8.0
[INFO] finished frobbing rkm-0.8.0
[INFO] frobbed toml for rkm-0.8.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rkm/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rkm-0.8.0 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-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rkm/0.8.0:/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] 6e644c533b19d85c4513901e88afb3e0684cdbf25adb4348b0da8d43d468a605
[INFO] running `"docker" "start" "-a" "6e644c533b19d85c4513901e88afb3e0684cdbf25adb4348b0da8d43d468a605"`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rkm v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ndarray::impl_methods::<impl ndarray::ArrayBase<S, D>>::subview_mut': renamed to `index_axis_mut`
[INFO] [stderr]    --> src/lib.rs:237:51
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 let mut mean = cumulative_means.0.subview_mut(Axis(0), *point.0);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.08s
[INFO] running `"docker" "inspect" "6e644c533b19d85c4513901e88afb3e0684cdbf25adb4348b0da8d43d468a605"`
[INFO] running `"docker" "rm" "-f" "6e644c533b19d85c4513901e88afb3e0684cdbf25adb4348b0da8d43d468a605"`
[INFO] [stdout] 6e644c533b19d85c4513901e88afb3e0684cdbf25adb4348b0da8d43d468a605
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rkm/0.8.0:/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] fdf4ec6ad9aa4733ae2a6625d3e86294a5b13b3f944598c4d57f57eaebea5952
[INFO] running `"docker" "start" "-a" "fdf4ec6ad9aa4733ae2a6625d3e86294a5b13b3f944598c4d57f57eaebea5952"`
[INFO] [stderr]    Compiling rkm v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ndarray::impl_methods::<impl ndarray::ArrayBase<S, D>>::subview_mut': renamed to `index_axis_mut`
[INFO] [stderr]    --> src/lib.rs:237:51
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 let mut mean = cumulative_means.0.subview_mut(Axis(0), *point.0);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "fdf4ec6ad9aa4733ae2a6625d3e86294a5b13b3f944598c4d57f57eaebea5952"`
[INFO] running `"docker" "rm" "-f" "fdf4ec6ad9aa4733ae2a6625d3e86294a5b13b3f944598c4d57f57eaebea5952"`
[INFO] [stdout] fdf4ec6ad9aa4733ae2a6625d3e86294a5b13b3f944598c4d57f57eaebea5952
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rkm/0.8.0:/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] da3293de81f9e02721aa5a1b99fbc8dd3180cadcc256f631c150a9cc0846a21d
[INFO] running `"docker" "start" "-a" "da3293de81f9e02721aa5a1b99fbc8dd3180cadcc256f631c150a9cc0846a21d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rkm-fb53886198a8c8fa
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_closest_distances ... ok
[INFO] [stdout] test tests::test_distance ... ok
[INFO] [stdout] test tests::test_closest_mean ... ok
[INFO] [stdout] test tests::test_calculate_means ... ok
[INFO] [stdout] test tests::test_small_kmeans ... ok
[INFO] [stdout] test tests::test_min_k ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rkm_example-c6b82174f3adbc81
[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] [stderr]    Doc-tests rkm
[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" "da3293de81f9e02721aa5a1b99fbc8dd3180cadcc256f631c150a9cc0846a21d"`
[INFO] running `"docker" "rm" "-f" "da3293de81f9e02721aa5a1b99fbc8dd3180cadcc256f631c150a9cc0846a21d"`
[INFO] [stdout] da3293de81f9e02721aa5a1b99fbc8dd3180cadcc256f631c150a9cc0846a21d