[INFO] fetching crate ruranges-core 0.1.5...
[INFO] testing ruranges-core-0.1.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate ruranges-core 0.1.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ruranges-core 0.1.5
[INFO] finished tweaking crates.io crate ruranges-core 0.1.5
[INFO] tweaked toml for crates.io crate ruranges-core 0.1.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruranges-core 0.1.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 793579cd58e69e93f070f84c94d8eeba5cafaf2a8b697840ca51ffaba8ccce6f
[INFO] running `Command { std: "docker" "start" "-a" "793579cd58e69e93f070f84c94d8eeba5cafaf2a8b697840ca51ffaba8ccce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793579cd58e69e93f070f84c94d8eeba5cafaf2a8b697840ca51ffaba8ccce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793579cd58e69e93f070f84c94d8eeba5cafaf2a8b697840ca51ffaba8ccce6f", kill_on_drop: false }`
[INFO] [stdout] 793579cd58e69e93f070f84c94d8eeba5cafaf2a8b697840ca51ffaba8ccce6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a759e6fafbe5491cc334322a22f9ad3851b956cdd6f76987067aa532c35f64a
[INFO] running `Command { std: "docker" "start" "-a" "6a759e6fafbe5491cc334322a22f9ad3851b956cdd6f76987067aa532c35f64a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling radsort v0.1.1
[INFO] [stderr]    Compiling ruranges-core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/outside_bounds.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PrimInt` and `Signed`
[INFO] [stdout]  --> src/subtract.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/subtract.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Interval` and `MinEvent`
[INFO] [stdout]  --> src/subtract.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ruranges_structs::{GroupType, Interval, MinEvent, MinInterval, PositionType},
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/subtract.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/spliced_subsequence.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut intervals =
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spliced_subsequence.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let mut intervals =
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ext_options` is never used
[INFO] [stdout]  --> src/extend.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn check_ext_options<T: PositionType>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "6a759e6fafbe5491cc334322a22f9ad3851b956cdd6f76987067aa532c35f64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a759e6fafbe5491cc334322a22f9ad3851b956cdd6f76987067aa532c35f64a", kill_on_drop: false }`
[INFO] [stdout] 6a759e6fafbe5491cc334322a22f9ad3851b956cdd6f76987067aa532c35f64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994509e9546c5d00a19f18bcdedd9bd46b675cc39016ea7a76ab45b733580efe
[INFO] running `Command { std: "docker" "start" "-a" "994509e9546c5d00a19f18bcdedd9bd46b675cc39016ea7a76ab45b733580efe", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/outside_bounds.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PrimInt` and `Signed`
[INFO] [stdout]  --> src/subtract.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/subtract.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Interval` and `MinEvent`
[INFO] [stdout]  --> src/subtract.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ruranges_structs::{GroupType, Interval, MinEvent, MinInterval, PositionType},
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/subtract.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/spliced_subsequence.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut intervals =
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spliced_subsequence.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let mut intervals =
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ext_options` is never used
[INFO] [stdout]  --> src/extend.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn check_ext_options<T: PositionType>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ruranges-core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/outside_bounds.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PrimInt` and `Signed`
[INFO] [stdout]  --> src/subtract.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/subtract.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Interval` and `MinEvent`
[INFO] [stdout]  --> src/subtract.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ruranges_structs::{GroupType, Interval, MinEvent, MinInterval, PositionType},
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/subtract.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/spliced_subsequence.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut intervals =
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/spliced_subsequence.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let mut intervals =
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ext_options` is never used
[INFO] [stdout]  --> src/extend.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn check_ext_options<T: PositionType>(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "994509e9546c5d00a19f18bcdedd9bd46b675cc39016ea7a76ab45b733580efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994509e9546c5d00a19f18bcdedd9bd46b675cc39016ea7a76ab45b733580efe", kill_on_drop: false }`
[INFO] [stdout] 994509e9546c5d00a19f18bcdedd9bd46b675cc39016ea7a76ab45b733580efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32d51f0cd70fbfc1b173b5feb0dc7e4096ae7df0fd249bbabd8323bd2007efdf
[INFO] running `Command { std: "docker" "start" "-a" "32d51f0cd70fbfc1b173b5feb0dc7e4096ae7df0fd249bbabd8323bd2007efdf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/outside_bounds.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PrimInt` and `Signed`
[INFO] [stderr]  --> src/subtract.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stderr]   |                  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/subtract.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Interval` and `MinEvent`
[INFO] [stderr]  --> src/subtract.rs:7:35
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ruranges_structs::{GroupType, Interval, MinEvent, MinInterval, PositionType},
[INFO] [stderr]   |                                   ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]  --> src/subtract.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_traits::{PrimInt, Signed, Zero};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/spliced_subsequence.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut intervals =
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/spliced_subsequence.rs:264:9
[INFO] [stderr]     |
[INFO] [stderr] 264 |     let mut intervals =
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_ext_options` is never used
[INFO] [stderr]  --> src/extend.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn check_ext_options<T: PositionType>(
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ruranges-core` (lib) generated 8 warnings (run `cargo fix --lib -p ruranges-core` to apply 6 suggestions)
[INFO] [stderr] warning: `ruranges-core` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruranges_core-bec0e88d8e380f28)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test merge::tests::merge_requires_slack_for_bookended_intervals ... ok
[INFO] [stdout] test nearest::tests::nearest_backward_includes_touching_left_interval_with_distance_one ... ok
[INFO] [stdout] test overlaps::tests::overlaps_all_returns_expected_pairs ... ok
[INFO] [stdout] test overlaps::tests::overlaps_contained_with_negative_slack_matches_legacy_behavior ... ok
[INFO] [stdout] test overlaps::tests::overlaps_handles_unsorted_input ... ok
[INFO] [stdout] test overlaps::tests::overlaps_respects_slack_for_bookended_intervals ... ok
[INFO] [stdout] test overlaps::tests::overlaps_issue_23_preserves_order_for_all_first_last ... ok
[INFO] [stdout] test merge::tests::merge_scans_sorted_intervals_and_keeps_first_index ... ok
[INFO] [stdout] test overlaps::tests::overlaps_contained_filters_to_left_contained_in_right ... ok
[INFO] [stdout] test overlaps::tests::overlaps_contained_includes_targets_with_same_start ... ok
[INFO] [stdout] test nearest::tests::nearest_forward_keeps_touching_right_interval_with_distance_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruranges_core
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32d51f0cd70fbfc1b173b5feb0dc7e4096ae7df0fd249bbabd8323bd2007efdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d51f0cd70fbfc1b173b5feb0dc7e4096ae7df0fd249bbabd8323bd2007efdf", kill_on_drop: false }`
[INFO] [stdout] 32d51f0cd70fbfc1b173b5feb0dc7e4096ae7df0fd249bbabd8323bd2007efdf