[INFO] fetching crate classif 0.0.2... [INFO] testing classif-0.0.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate classif 0.0.2 into /workspace/builds/worker-4-tc1/source [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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate classif 0.0.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding num-traits v0.1.43 (available: v0.2.19) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e556cc8fdf01de014de3d6edb4b7d7c50921b76ee8497aff53fec9ed766e7256 [INFO] running `Command { std: "docker" "start" "-a" "e556cc8fdf01de014de3d6edb4b7d7c50921b76ee8497aff53fec9ed766e7256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e556cc8fdf01de014de3d6edb4b7d7c50921b76ee8497aff53fec9ed766e7256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e556cc8fdf01de014de3d6edb4b7d7c50921b76ee8497aff53fec9ed766e7256", kill_on_drop: false }` [INFO] [stdout] e556cc8fdf01de014de3d6edb4b7d7c50921b76ee8497aff53fec9ed766e7256 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c9557c50e47b922a36f0bb6c9d934d3a285d6fea53968c17b3071621f3f73f45 [INFO] running `Command { std: "docker" "start" "-a" "c9557c50e47b922a36f0bb6c9d934d3a285d6fea53968c17b3071621f3f73f45", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [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::>(); [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::>(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s [INFO] running `Command { std: "docker" "inspect" "c9557c50e47b922a36f0bb6c9d934d3a285d6fea53968c17b3071621f3f73f45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9557c50e47b922a36f0bb6c9d934d3a285d6fea53968c17b3071621f3f73f45", kill_on_drop: false }` [INFO] [stdout] c9557c50e47b922a36f0bb6c9d934d3a285d6fea53968c17b3071621f3f73f45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b2e59740da84290da4d98e17b986d3c913354cabd590912921a7d94e8560d57b [INFO] running `Command { std: "docker" "start" "-a" "b2e59740da84290da4d98e17b986d3c913354cabd590912921a7d94e8560d57b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] [stderr] Compiling classif v0.0.2 (/opt/rustwide/workdir) [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::>(); [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::>(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [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::>(); [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::>(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "b2e59740da84290da4d98e17b986d3c913354cabd590912921a7d94e8560d57b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e59740da84290da4d98e17b986d3c913354cabd590912921a7d94e8560d57b", kill_on_drop: false }` [INFO] [stdout] b2e59740da84290da4d98e17b986d3c913354cabd590912921a7d94e8560d57b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 6a4c749e883afa11ab1c2278f6e9723c35b26e9874b6c4239bcfd12ec9239955 [INFO] running `Command { std: "docker" "start" "-a" "6a4c749e883afa11ab1c2278f6e9723c35b26e9874b6c4239bcfd12ec9239955", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] [stdout] [INFO] [stderr] --> src/jenks.rs:77:35 [INFO] [stdout] running 10 tests [INFO] [stderr] | [INFO] [stdout] test tests::test_arithmetic_breaks ... ok [INFO] [stderr] 77 | breaks.push(sorted_values[(kclass[i - 1usize] - 1)]); [INFO] [stdout] test tests::test_equal_interval_breaks ... ok [INFO] [stderr] | ^ ^ [INFO] [stdout] test tests::test_kurtosis ... ok [INFO] [stderr] | [INFO] [stdout] test tests::test_median ... ok [INFO] [stderr] help: remove these parentheses [INFO] [stdout] test tests::test_get_class_index ... ok [INFO] [stderr] | [INFO] [stdout] test tests::test_root_mean_square ... ok [INFO] [stderr] 77 - breaks.push(sorted_values[(kclass[i - 1usize] - 1)]); [INFO] [stdout] test tests::test_quantiles_breaks ... ok [INFO] [stderr] 77 + breaks.push(sorted_values[kclass[i - 1usize] - 1]); [INFO] [stdout] test tests::test_variance ... ok [INFO] [stderr] | [INFO] [stdout] test tests::test_head_tail ... ok [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::>(); [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::>(); [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` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/classif-9044e09d9184e88c) [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] running `Command { std: "docker" "inspect" "6a4c749e883afa11ab1c2278f6e9723c35b26e9874b6c4239bcfd12ec9239955", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a4c749e883afa11ab1c2278f6e9723c35b26e9874b6c4239bcfd12ec9239955", kill_on_drop: false }` [INFO] [stdout] 6a4c749e883afa11ab1c2278f6e9723c35b26e9874b6c4239bcfd12ec9239955