[INFO] fetching crate pixel_map 0.4.0...
[INFO] testing pixel_map-0.4.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pixel_map 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate pixel_map 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixel_map 0.4.0
[INFO] tweaked toml for crates.io crate pixel_map 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pixel_map 0.4.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pixel_map 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ravif v0.11.12
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[INFO] [stderr]   Downloaded downcast-rs v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2d05bcf2c97360a3ec97dad4dd5d1c4833c1e934a852055c6bb9aa71864d789
[INFO] running `Command { std: "docker" "start" "-a" "b2d05bcf2c97360a3ec97dad4dd5d1c4833c1e934a852055c6bb9aa71864d789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d05bcf2c97360a3ec97dad4dd5d1c4833c1e934a852055c6bb9aa71864d789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d05bcf2c97360a3ec97dad4dd5d1c4833c1e934a852055c6bb9aa71864d789", kill_on_drop: false }`
[INFO] [stdout] b2d05bcf2c97360a3ec97dad4dd5d1c4833c1e934a852055c6bb9aa71864d789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c70657c27c30e4d5a3182011a0573ae5cf8915a0d0577aeeee3c47a142ca4c0
[INFO] running `Command { std: "docker" "start" "-a" "1c70657c27c30e4d5a3182011a0573ae5cf8915a0d0577aeeee3c47a142ca4c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling glam v0.29.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling bevy_math v0.16.0
[INFO] [stderr]    Compiling pixel_map v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "1c70657c27c30e4d5a3182011a0573ae5cf8915a0d0577aeeee3c47a142ca4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c70657c27c30e4d5a3182011a0573ae5cf8915a0d0577aeeee3c47a142ca4c0", kill_on_drop: false }`
[INFO] [stdout] 1c70657c27c30e4d5a3182011a0573ae5cf8915a0d0577aeeee3c47a142ca4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 922ebfc3db7e27fbfaef4a115c43fa747670e9b8a2f0f52dadb61f99dac9d428
[INFO] running `Command { std: "docker" "start" "-a" "922ebfc3db7e27fbfaef4a115c43fa747670e9b8a2f0f52dadb61f99dac9d428", kill_on_drop: false }`
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[INFO] [stderr]    Compiling clap v4.5.38
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
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[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling image-webp v0.2.1
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[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling tiff v0.9.1
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[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling glam v0.29.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling ravif v0.11.12
[INFO] [stderr]    Compiling image v0.25.6
[INFO] [stderr]    Compiling bevy_math v0.16.0
[INFO] [stderr]    Compiling pixel_map v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/region.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "922ebfc3db7e27fbfaef4a115c43fa747670e9b8a2f0f52dadb61f99dac9d428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922ebfc3db7e27fbfaef4a115c43fa747670e9b8a2f0f52dadb61f99dac9d428", kill_on_drop: false }`
[INFO] [stdout] 922ebfc3db7e27fbfaef4a115c43fa747670e9b8a2f0f52dadb61f99dac9d428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51ae194deee57696476b271a9272b2d1ebfacd5ccb94d0ebf97cdda97d7f11b8
[INFO] running `Command { std: "docker" "start" "-a" "51ae194deee57696476b271a9272b2d1ebfacd5ccb94d0ebf97cdda97d7f11b8", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/region.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/region.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/region.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/region.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `pixel_map` (lib) generated 4 warnings (run `cargo fix --lib -p pixel_map` to apply 4 suggestions)
[INFO] [stderr] warning: `pixel_map` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pixel_map-550eee5fd1e81159)
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test nearest_neighbor::test::test_visit_neighbors_out_of_bounds ... ok
[INFO] [stdout] test nearest_neighbor::test::test_visit_neighbors ... ok
[INFO] [stdout] test node_path::test::test_append ... ok
[INFO] [stdout] test node_path::test::test_common_ancestor ... ok
[INFO] [stdout] test node_path::test::test_quadrant_at ... ok
[INFO] [stdout] test node_path::test::test_tail ... ok
[INFO] [stdout] test node_path::test::test_truncate ... ok
[INFO] [stdout] test pixel_map::test::test_all_in_rect ... ok
[INFO] [stdout] test pixel_map::test::test_any_in_rect ... ok
[INFO] [stdout] test pixel_map::test::test_clear ... ok
[INFO] [stdout] test pixel_map::test::test_next_pow2 ... ok
[INFO] [stdout] test pixel_map::test::test_stats_with_grandchildren ... ok
[INFO] [stdout] test pixel_map::test::test_stats_with_root_node ... ok
[INFO] [stdout] test pixel_map::test::test_u_type_parameters ... ok
[INFO] [stdout] test pnode::test::test_decimate_frees_children ... ok
[INFO] [stdout] test pixel_map::test::test_stats_with_children ... ok
[INFO] [stdout] test pnode::test::test_decimate_retains_children ... ok
[INFO] [stdout] test pnode::test::test_subdivide ... ok
[INFO] [stdout] test pnode::test::test_visit_leaves_in_rect ... ok
[INFO] [stdout] test pnode::test::test_set_pixel_off_decimates ... ok
[INFO] [stdout] test quadrant::test::test_for_ipoint ... ok
[INFO] [stdout] test quadrant::test::test_for_upoint ... ok
[INFO] [stdout] test quadrant::test::test_node_fill_invert ... ok
[INFO] [stdout] test pnode::test::test_dirty ... ok
[INFO] [stdout] test region::test::test_quadrant_for_upoint ... ok
[INFO] [stdout] test shapes::circle::test::test_from_rect ... ok
[INFO] [stdout] test shapes::circle::test::test_pixels ... ok
[INFO] [stdout] test nearest_neighbor::test::test_visit_no_neighbors ... ok
[INFO] [stdout] test pnode::test::test_set_pixel_on_decimates ... ok
[INFO] [stdout] test pnode::test::test_visit_neighbor_pairs_face ... ok
[INFO] [stdout] test pnode::test::test_set_pixel_subdivides ... ok
[INFO] [stdout] test pnode::test::test_find_node ... ok
[INFO] [stdout] test pnode::test::test_set_rect_full ... ok
[INFO] [stdout] test pnode::test::test_set_rect_contained ... ok
[INFO] [stdout] test shapes::line::test::test_aabb ... ok
[INFO] [stdout] test shapes::line_interval::tests::collinear_overlapping_segment_and_line ... ok
[INFO] [stdout] test shapes::line_interval::tests::divergent_disjoint_ray_and_line ... ok
[INFO] [stdout] test pnode::test::test_node_path ... ok
[INFO] [stdout] test shapes::line::test::test_diag_axis_alignment ... ok
[INFO] [stdout] test shapes::line::test::test_contains ... ok
[INFO] [stdout] test shapes::line::test::test_axis_alignment ... ok
[INFO] [stdout] test pnode::test::test_drain_dirty_leaves ... ok
[INFO] [stdout] test region::test::test_contains_upoint ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_nw ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_se ... ok
[INFO] [stdout] test shapes::line_interval::tests::divergent_intersecting_segment_and_ray ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_south ... ok
[INFO] [stdout] test shapes::line::test::test_intersects_rect ... ok
[INFO] [stdout] test shapes::line_interval::tests::divergent_intersecting_segments ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_sw ... ok
[INFO] [stdout] test shapes::line_interval::tests::divergent_disjoint_segments ... ok
[INFO] [stdout] test shapes::line_interval::tests::parallel_disjoint_segments ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_angle_line_iterator ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_iterate_line ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_east ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_ne ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_north ... ok
[INFO] [stdout] test pixel_map::test::test_contour_segments_unique ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_plot_line_west ... ok
[INFO] [stdout] test shapes::line_strip_iterator::tests::test_closed_line_strip ... ok
[INFO] [stdout] test shapes::line_iterator::test::test_seek_bounds ... ok
[INFO] [stdout] test shapes::line_strip_iterator::tests::test_open_line_strip ... ok
[INFO] [stdout] test shapes::rect_iterator::test::test_pixel_iterator ... ok
[INFO] [stdout] test shapes::rotated_rect::tests::test_rotated_points ... ok
[INFO] [stdout] test shapes::rotated_rect::tests::test_pixels ... ok
[INFO] [stdout] test pnode::test::test_visit_nodes ... ok
[INFO] [stdout] test shapes::line_strip_iterator::tests::test_non_contiguous_closed_line_strip ... ok
[INFO] [stdout] test shapes::line_strip_iterator::tests::test_non_contiguous_open_line_strip ... ok
[INFO] [stdout] test node_path::test::test_parent ... ok
[INFO] [stdout] test pnode::test::test_find_node_by_path ... ok
[INFO] [stdout] test pixel_map::test::test_draw_rect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pixel_map
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/pixel_map.rs - pixel_map::PixelMap<T,U>::combine (line 695) ... ok
[INFO] [stdout] test src/pixel_map.rs - pixel_map::PixelMap<T,U>::combine (line 713) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51ae194deee57696476b271a9272b2d1ebfacd5ccb94d0ebf97cdda97d7f11b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ae194deee57696476b271a9272b2d1ebfacd5ccb94d0ebf97cdda97d7f11b8", kill_on_drop: false }`
[INFO] [stdout] 51ae194deee57696476b271a9272b2d1ebfacd5ccb94d0ebf97cdda97d7f11b8
