[INFO] cloning repository https://github.com/eltorocorp/h3_tools [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eltorocorp/h3_tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltorocorp%2Fh3_tools", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltorocorp%2Fh3_tools'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fe2052e2104ea157997a29f0d0c2ed8cc98c1e98 [INFO] testing eltorocorp/h3_tools against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltorocorp%2Fh3_tools" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eltorocorp/h3_tools on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eltorocorp/h3_tools [INFO] finished tweaking git repo https://github.com/eltorocorp/h3_tools [INFO] tweaked toml for git repo https://github.com/eltorocorp/h3_tools written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/eltorocorp/h3_tools already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c2a123059a10a583a4618b6d2e3dda2b1d6165c8de4149c6c57ac36d0c9521b [INFO] running `Command { std: "docker" "start" "-a" "5c2a123059a10a583a4618b6d2e3dda2b1d6165c8de4149c6c57ac36d0c9521b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c2a123059a10a583a4618b6d2e3dda2b1d6165c8de4149c6c57ac36d0c9521b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c2a123059a10a583a4618b6d2e3dda2b1d6165c8de4149c6c57ac36d0c9521b", kill_on_drop: false }` [INFO] [stdout] 5c2a123059a10a583a4618b6d2e3dda2b1d6165c8de4149c6c57ac36d0c9521b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba2ad0614b5477ac8e5d510c54b5ad9bdfa45bd5d3ae24df224b394cf8846c6e [INFO] running `Command { std: "docker" "start" "-a" "ba2ad0614b5477ac8e5d510c54b5ad9bdfa45bd5d3ae24df224b394cf8846c6e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling heapless v0.6.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling bindgen v0.57.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling svg v0.5.12 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling pom v1.1.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling robust v0.2.3 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling geographiclib-rs v0.2.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling svgbob v0.4.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling env_logger v0.8.3 [INFO] [stderr] Compiling rstar v0.8.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling geo-types v0.6.2 [INFO] [stderr] Compiling geo v0.16.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling svgbobdoc v0.2.3 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror v1.0.25 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling h3ron-h3-sys v0.10.0 [INFO] [stderr] Compiling geojson v0.21.0 [INFO] [stderr] Compiling h3ron v0.10.0 [INFO] [stderr] Compiling geo_polyfill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rayon::prelude::IntoParallelIterator` [INFO] [stdout] --> src/geo_utils.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rayon::prelude::IntoParallelIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/geo_utils.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::geo_utils::eat_neighbors` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use crate::geo_utils::eat_neighbors; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h3` [INFO] [stdout] --> src/geo_utils.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | .filter(|(h3, p)| p.is_ok()) [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_h3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> src/geo_utils.rs:67:15 [INFO] [stdout] | [INFO] [stdout] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `potentials` [INFO] [stdout] --> src/geo_utils.rs:67:32 [INFO] [stdout] | [INFO] [stdout] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_potentials` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/geo_utils.rs:46:26 [INFO] [stdout] | [INFO] [stdout] 46 | .and_modify(|mut children| children.push(index)) [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: function is never used: `eat_neighbors` [INFO] [stdout] --> src/geo_utils.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn eat_neighbors(indices: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `full_brood` [INFO] [stdout] --> src/geo_utils.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.85s [INFO] running `Command { std: "docker" "inspect" "ba2ad0614b5477ac8e5d510c54b5ad9bdfa45bd5d3ae24df224b394cf8846c6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba2ad0614b5477ac8e5d510c54b5ad9bdfa45bd5d3ae24df224b394cf8846c6e", kill_on_drop: false }` [INFO] [stdout] ba2ad0614b5477ac8e5d510c54b5ad9bdfa45bd5d3ae24df224b394cf8846c6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96feca006acc0f026705d25eed8a2d0e6c2bf83f3ca58690e8b87776f6940f94 [INFO] running `Command { std: "docker" "start" "-a" "96feca006acc0f026705d25eed8a2d0e6c2bf83f3ca58690e8b87776f6940f94", kill_on_drop: false }` [INFO] [stderr] Compiling geo_polyfill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rayon::prelude::IntoParallelIterator` [INFO] [stdout] --> src/geo_utils.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rayon::prelude::IntoParallelIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/geo_utils.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::geo_utils::eat_neighbors` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use crate::geo_utils::eat_neighbors; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h3` [INFO] [stdout] --> src/geo_utils.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | .filter(|(h3, p)| p.is_ok()) [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_h3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> src/geo_utils.rs:67:15 [INFO] [stdout] | [INFO] [stdout] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `potentials` [INFO] [stdout] --> src/geo_utils.rs:67:32 [INFO] [stdout] | [INFO] [stdout] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_potentials` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/geo_utils.rs:46:26 [INFO] [stdout] | [INFO] [stdout] 46 | .and_modify(|mut children| children.push(index)) [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: function is never used: `eat_neighbors` [INFO] [stdout] --> src/geo_utils.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn eat_neighbors(indices: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `full_brood` [INFO] [stdout] --> src/geo_utils.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.06s [INFO] running `Command { std: "docker" "inspect" "96feca006acc0f026705d25eed8a2d0e6c2bf83f3ca58690e8b87776f6940f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96feca006acc0f026705d25eed8a2d0e6c2bf83f3ca58690e8b87776f6940f94", kill_on_drop: false }` [INFO] [stdout] 96feca006acc0f026705d25eed8a2d0e6c2bf83f3ca58690e8b87776f6940f94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 88bdc1e081f8fa62cf03574ebd153ac9df9a6486c5aa459d9bb623409bc3ce2c [INFO] running `Command { std: "docker" "start" "-a" "88bdc1e081f8fa62cf03574ebd153ac9df9a6486c5aa459d9bb623409bc3ce2c", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `rayon::prelude::IntoParallelIterator` [INFO] [stderr] --> src/geo_utils.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rayon::prelude::IntoParallelIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/geo_utils.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::geo_utils::eat_neighbors` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use crate::geo_utils::eat_neighbors; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h3` [INFO] [stderr] --> src/geo_utils.rs:41:19 [INFO] [stderr] | [INFO] [stderr] 41 | .filter(|(h3, p)| p.is_ok()) [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_h3` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `parent` [INFO] [stderr] --> src/geo_utils.rs:67:15 [INFO] [stderr] | [INFO] [stderr] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `potentials` [INFO] [stderr] --> src/geo_utils.rs:67:32 [INFO] [stderr] | [INFO] [stderr] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_potentials` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/geo_utils.rs:46:26 [INFO] [stderr] | [INFO] [stderr] 46 | .and_modify(|mut children| children.push(index)) [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: function is never used: `eat_neighbors` [INFO] [stderr] --> src/geo_utils.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn eat_neighbors(indices: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `full_brood` [INFO] [stderr] --> src/geo_utils.rs:67:4 [INFO] [stderr] | [INFO] [stderr] 67 | fn full_brood(parent: &H3Cell, potentials: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `geo_polyfill` (bin "geo_polyfill" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/geo_polyfill-27ccc28dd8e6a2d2) [INFO] [stdout] running 1 test [INFO] [stdout] test geo_utils::tests::test_into ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "88bdc1e081f8fa62cf03574ebd153ac9df9a6486c5aa459d9bb623409bc3ce2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88bdc1e081f8fa62cf03574ebd153ac9df9a6486c5aa459d9bb623409bc3ce2c", kill_on_drop: false }` [INFO] [stdout] 88bdc1e081f8fa62cf03574ebd153ac9df9a6486c5aa459d9bb623409bc3ce2c