[INFO] crate o2lsh 0.1.0 is already in cache
[INFO] extracting crate o2lsh 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/o2lsh/0.1.0
[INFO] extracting crate o2lsh 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/o2lsh/0.1.0
[INFO] validating manifest of o2lsh-0.1.0 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 o2lsh-0.1.0 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 o2lsh-0.1.0
[INFO] finished frobbing o2lsh-0.1.0
[INFO] frobbed toml for o2lsh-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/o2lsh/0.1.0/Cargo.toml
[INFO] started frobbing o2lsh-0.1.0
[INFO] finished frobbing o2lsh-0.1.0
[INFO] frobbed toml for o2lsh-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/o2lsh/0.1.0/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 o2lsh-0.1.0 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/o2lsh/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6558324f3eca8e237d8868ba83a6f90b683086628691ca63575f5c7d97114d89
[INFO] running `"docker" "start" "-a" "6558324f3eca8e237d8868ba83a6f90b683086628691ca63575f5c7d97114d89"`
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling revord v0.0.2
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling o2lsh v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `"docker" "inspect" "6558324f3eca8e237d8868ba83a6f90b683086628691ca63575f5c7d97114d89"`
[INFO] running `"docker" "rm" "-f" "6558324f3eca8e237d8868ba83a6f90b683086628691ca63575f5c7d97114d89"`
[INFO] [stdout] 6558324f3eca8e237d8868ba83a6f90b683086628691ca63575f5c7d97114d89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/o2lsh/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb4847f92023ef9ef167e61b986af9e3d19b977ed1f21c6249cc84bff0871327
[INFO] running `"docker" "start" "-a" "cb4847f92023ef9ef167e61b986af9e3d19b977ed1f21c6249cc84bff0871327"`
[INFO] [stderr]    Compiling o2lsh v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/table.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let x = StandardLSHTable::new(&test_data, funcs, &ms);
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/table.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let x = StandardLSHTable::new_build(&test_data, funcs, &ms);
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/multi.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let z: Vec<_> = ii.take(3).collect();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "cb4847f92023ef9ef167e61b986af9e3d19b977ed1f21c6249cc84bff0871327"`
[INFO] running `"docker" "rm" "-f" "cb4847f92023ef9ef167e61b986af9e3d19b977ed1f21c6249cc84bff0871327"`
[INFO] [stdout] cb4847f92023ef9ef167e61b986af9e3d19b977ed1f21c6249cc84bff0871327
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/o2lsh/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a956aa1faeb36c750bd4678e11f3ef18eb4823536cbe019ad20e6292b4b8bed6
[INFO] running `"docker" "start" "-a" "a956aa1faeb36c750bd4678e11f3ef18eb4823536cbe019ad20e6292b4b8bed6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/o2lsh-c584bdb5db27d167
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test multi::sorted_delta_test ... ok
[INFO] [stdout] test multi::test_expected_zj_squared ... ok
[INFO] [stdout] test lsh::tests::test_query_tables ... ok
[INFO] [stdout] test hashes::tests::test_get_normal ... ok
[INFO] [stdout] test lsh::tests::test_init_tables ... ok
[INFO] [stdout] test multi::test_perturbation_iterator ... ok
[INFO] [stdout] test table::tests::test_init ... ok
[INFO] [stdout] test table::tests::test_new_build ... ok
[INFO] [stdout] test table::tests::test_query_multiprobe ... ok
[INFO] [stdout] test multi::test_perturbation_iterator_zj ... ok
[INFO] [stdout] test util::tests::test_mnist_line_to_vector ... ok
[INFO] [stdout] test table::tests::test_with_real_funcs ... ok
[INFO] [stdout] test table::tests::test_query ... ok
[INFO] [stdout] test util::tests::test_read_fvecs_file ... ok
[INFO] [stdout] test util::tests::test_read_mnist_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests o2lsh
[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" "a956aa1faeb36c750bd4678e11f3ef18eb4823536cbe019ad20e6292b4b8bed6"`
[INFO] running `"docker" "rm" "-f" "a956aa1faeb36c750bd4678e11f3ef18eb4823536cbe019ad20e6292b4b8bed6"`
[INFO] [stdout] a956aa1faeb36c750bd4678e11f3ef18eb4823536cbe019ad20e6292b4b8bed6