[INFO] crate classif 0.0.2 is already in cache
[INFO] extracting crate classif 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/classif/0.0.2
[INFO] extracting crate classif 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/classif/0.0.2
[INFO] validating manifest of classif-0.0.2 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 classif-0.0.2 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 classif-0.0.2
[INFO] finished frobbing classif-0.0.2
[INFO] frobbed toml for classif-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/classif/0.0.2/Cargo.toml
[INFO] started frobbing classif-0.0.2
[INFO] finished frobbing classif-0.0.2
[INFO] frobbed toml for classif-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/classif/0.0.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing classif-0.0.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/classif/0.0.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2dc2637698349512b9849093a5114078235834a09714628a650aecfe9b5dd670
[INFO] running `"docker" "start" "-a" "2dc2637698349512b9849093a5114078235834a09714628a650aecfe9b5dd670"`
[INFO] [stderr]    Compiling classif v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/jenks.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]  --> src/stats.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "2dc2637698349512b9849093a5114078235834a09714628a650aecfe9b5dd670"`
[INFO] running `"docker" "rm" "-f" "2dc2637698349512b9849093a5114078235834a09714628a650aecfe9b5dd670"`
[INFO] [stdout] 2dc2637698349512b9849093a5114078235834a09714628a650aecfe9b5dd670
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/classif/0.0.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3077360cfdcf21fe882e5510e557e13438a2cea369ac7b9c22924c3b91ee1c25
[INFO] running `"docker" "start" "-a" "3077360cfdcf21fe882e5510e557e13438a2cea369ac7b9c22924c3b91ee1c25"`
[INFO] [stderr]    Compiling classif v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/jenks.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]  --> src/stats.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "3077360cfdcf21fe882e5510e557e13438a2cea369ac7b9c22924c3b91ee1c25"`
[INFO] running `"docker" "rm" "-f" "3077360cfdcf21fe882e5510e557e13438a2cea369ac7b9c22924c3b91ee1c25"`
[INFO] [stdout] 3077360cfdcf21fe882e5510e557e13438a2cea369ac7b9c22924c3b91ee1c25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/classif/0.0.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a41915805be6e06070a1e92ce3f62099664722146ed4c5b745cb707084afbd92
[INFO] running `"docker" "start" "-a" "a41915805be6e06070a1e92ce3f62099664722146ed4c5b745cb707084afbd92"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/classif-282913f341fc9409
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_median ... ok
[INFO] [stdout] test tests::test_quantiles_breaks ... ok
[INFO] [stdout] test tests::test_kurtosis ... ok
[INFO] [stdout] test tests::test_head_tail ... ok
[INFO] [stdout] test tests::test_get_class_index ... ok
[INFO] [stdout] test tests::test_variance ... ok
[INFO] [stdout] test tests::test_equal_interval_breaks ... ok
[INFO] [stdout] test tests::test_jenks_breaks ... ok
[INFO] [stdout] test tests::test_arithmetic_breaks ... ok
[INFO] [stdout] test tests::test_root_mean_square ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests classif
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/classif.rs - classif::BoundsInfo (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a41915805be6e06070a1e92ce3f62099664722146ed4c5b745cb707084afbd92"`
[INFO] running `"docker" "rm" "-f" "a41915805be6e06070a1e92ce3f62099664722146ed4c5b745cb707084afbd92"`
[INFO] [stdout] a41915805be6e06070a1e92ce3f62099664722146ed4c5b745cb707084afbd92