[INFO] fetching crate classif 0.0.2...
[INFO] testing classif-0.0.2 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate classif 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate classif 0.0.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate classif 0.0.2
[INFO] finished tweaking crates.io crate classif 0.0.2
[INFO] tweaked toml for crates.io crate classif 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3be459f13c7b57c4c8c47a66a6fb2b0635618eac0d35e46aa5f15eedc0065be
[INFO] running `Command { std: "docker" "start" "-a" "a3be459f13c7b57c4c8c47a66a6fb2b0635618eac0d35e46aa5f15eedc0065be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3be459f13c7b57c4c8c47a66a6fb2b0635618eac0d35e46aa5f15eedc0065be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3be459f13c7b57c4c8c47a66a6fb2b0635618eac0d35e46aa5f15eedc0065be", kill_on_drop: false }`
[INFO] [stdout] a3be459f13c7b57c4c8c47a66a6fb2b0635618eac0d35e46aa5f15eedc0065be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc9cf00cc5c85fc2f362ab57708c7861e9be597dfa390d16ca219a32cb550e43
[INFO] running `Command { std: "docker" "start" "-a" "cc9cf00cc5c85fc2f362ab57708c7861e9be597dfa390d16ca219a32cb550e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling classif v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         kclass[(j - 2)] = n;
[INFO] [stdout]    |                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -         kclass[(j - 2)] = n;
[INFO] [stdout] 71 +         kclass[j - 2] = n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout]    |                                   ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout]    |                               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/jenks.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]  --> src/stats.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "cc9cf00cc5c85fc2f362ab57708c7861e9be597dfa390d16ca219a32cb550e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9cf00cc5c85fc2f362ab57708c7861e9be597dfa390d16ca219a32cb550e43", kill_on_drop: false }`
[INFO] [stdout] cc9cf00cc5c85fc2f362ab57708c7861e9be597dfa390d16ca219a32cb550e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75d8c1f4f78d358a8778e984864619d0bb5ec400f565eb81151ba645d21b1cc5
[INFO] running `Command { std: "docker" "start" "-a" "75d8c1f4f78d358a8778e984864619d0bb5ec400f565eb81151ba645d21b1cc5", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         kclass[(j - 2)] = n;
[INFO] [stdout]    |                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -         kclass[(j - 2)] = n;
[INFO] [stdout] 71 +         kclass[j - 2] = n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout]    |                                   ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout]    |                               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/jenks.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]  --> src/stats.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling classif v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         kclass[(j - 2)] = n;
[INFO] [stdout]    |                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -         kclass[(j - 2)] = n;
[INFO] [stdout] 71 +         kclass[j - 2] = n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout]    |                                   ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stdout] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/jenks.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout]    |                               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stdout] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/jenks.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]  --> src/stats.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "75d8c1f4f78d358a8778e984864619d0bb5ec400f565eb81151ba645d21b1cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d8c1f4f78d358a8778e984864619d0bb5ec400f565eb81151ba645d21b1cc5", kill_on_drop: false }`
[INFO] [stdout] 75d8c1f4f78d358a8778e984864619d0bb5ec400f565eb81151ba645d21b1cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bdd6479b545a04cc2474694892ac31c5c7d18258648b2e2eeba280ca7727e8a
[INFO] running `Command { std: "docker" "start" "-a" "1bdd6479b545a04cc2474694892ac31c5c7d18258648b2e2eeba280ca7727e8a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/jenks.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |         kclass[(j - 2)] = n;
[INFO] [stderr]    |                ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -         kclass[(j - 2)] = n;
[INFO] [stderr] 71 +         kclass[j - 2] = n;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/jenks.rs:77:35
[INFO] [stderr]    |
[INFO] [stderr] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stderr]    |                                   ^                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stderr] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/jenks.rs:79:31
[INFO] [stderr]    |
[INFO] [stderr] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stderr]    |                               ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stderr] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[INFO] [stderr]    |
[INFO] [stderr] 
[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 `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: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let _ = values.iter().map(|v| sum += *v).collect::<Vec<_>>();
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `classif` (lib) generated 5 warnings (run `cargo fix --lib -p classif` to apply 4 suggestions)
[INFO] [stderr] warning: `classif` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/classif-b59163162807b7f2)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_arithmetic_breaks ... ok
[INFO] [stdout] test tests::test_head_tail ... ok
[INFO] [stdout] test tests::test_equal_interval_breaks ... ok
[INFO] [stdout] test tests::test_get_class_index ... ok
[INFO] [stdout] test tests::test_kurtosis ... ok
[INFO] [stdout] test tests::test_median ... ok
[INFO] [stdout] test tests::test_quantiles_breaks ... ok
[INFO] [stdout] test tests::test_root_mean_square ... ok
[INFO] [stdout] test tests::test_variance ... ok
[INFO] [stdout] test tests::test_jenks_breaks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests classif
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/jenks.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |         kclass[(j - 2)] = n;
[INFO] [stderr]    |                ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -         kclass[(j - 2)] = n;
[INFO] [stderr] 71 +         kclass[j - 2] = n;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/jenks.rs:77:35
[INFO] [stderr]    |
[INFO] [stderr] 77 |         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stderr]    |                                   ^                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -         breaks.push(sorted_values[(kclass[i - 1usize] - 1)]);
[INFO] [stderr] 77 +         breaks.push(sorted_values[kclass[i - 1usize] - 1]);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/jenks.rs:79:31
[INFO] [stderr]    |
[INFO] [stderr] 79 |     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stderr]    |                               ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -     breaks.push(sorted_values[(nb_elem - 1)]);
[INFO] [stderr] 79 +     breaks.push(sorted_values[nb_elem - 1]);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bdd6479b545a04cc2474694892ac31c5c7d18258648b2e2eeba280ca7727e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdd6479b545a04cc2474694892ac31c5c7d18258648b2e2eeba280ca7727e8a", kill_on_drop: false }`
[INFO] [stdout] 1bdd6479b545a04cc2474694892ac31c5c7d18258648b2e2eeba280ca7727e8a
