[INFO] fetching crate gaia 0.2.1...
[INFO] checking gaia-0.2.1 against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] extracting crate gaia 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gaia 0.2.1
[INFO] finished tweaking crates.io crate gaia 0.2.1
[INFO] tweaked toml for crates.io crate gaia 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gaia 0.2.1 on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 214 packages to latest compatible versions
[INFO] [stderr]       Adding cgmath v0.15.0 (available: v0.18.0)
[INFO] [stderr]       Adding collision v0.12.0 (available: v0.20.1)
[INFO] [stderr]       Adding error-chain v0.10.0 (available: v0.12.4)
[INFO] [stderr]       Adding fps_counter v0.2.0 (available: v3.0.0)
[INFO] [stderr]       Adding gfx v0.17.1 (available: v0.18.3)
[INFO] [stderr]       Adding gfx_glyph v0.9.1 (available: v0.17.1)
[INFO] [stderr]       Adding image v0.18.0 (available: v0.25.10)
[INFO] [stderr]       Adding piston v0.36.0 (available: v1.0.0)
[INFO] [stderr]       Adding piston3d-cam v0.3.0 (available: v0.8.0)
[INFO] [stderr]       Adding piston_window v0.77.0 (available: v0.147.0)
[INFO] [stderr]       Adding vecmath v0.3.1 (available: v1.0.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `gaia` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36
[INFO] running `Command { std: "docker" "start" "7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `gaia` (manifest) generated 1 warning
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking pdqselect v0.1.1
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking geo v0.4.13
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.50.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking geojson v0.8.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.3
[INFO] [stderr]     Checking quaternion v0.3.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking piston3d-cam v0.3.0
[INFO] [stderr]     Checking gaia_assetgen v0.3.2
[INFO] [stderr]     Checking gaia_quadtree v0.1.7
[INFO] [stderr]     Checking piston_window v0.77.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking fps_counter v0.2.0
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]     Checking gfx_glyph v0.9.1
[INFO] [stderr]     Checking collision v0.12.0
[INFO] [stderr]     Checking spade v1.8.2
[INFO] [stderr]     Checking geo v0.6.3
[INFO] [stderr]     Checking gfx_draping v0.3.0
[INFO] [stderr]     Checking gaia v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/render/polygon.rs:149:60
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 * Matrix4::from_nonuniform_scale(2.0, 1.0, (max_z - min_z));
[INFO] [stdout]     |                                                            ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 * Matrix4::from_nonuniform_scale(2.0, 1.0, (max_z - min_z));
[INFO] [stdout] 149 +                 * Matrix4::from_nonuniform_scale(2.0, 1.0, max_z - min_z );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tile_chooser.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     level_chooser: &Fn(f32) -> u8,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     level_chooser: &dyn Fn(f32) -> u8,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render/polygon.rs:101:33
[INFO] [stdout]     |
[INFO] [stdout] 101 |         polygon_color_chooser: &Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 |         polygon_color_chooser: &dyn Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render/polygon.rs:102:31
[INFO] [stdout]     |
[INFO] [stdout] 102 |         label_style_chooser: &Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 |         label_style_chooser: &dyn Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |         polygon_color_chooser: &Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 |         polygon_color_chooser: &dyn Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |         label_style_chooser: &Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |         label_style_chooser: &dyn Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |         level_chooser: &Fn(f32) -> u8,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |         level_chooser: &dyn Fn(f32) -> u8,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/render/polygon.rs:149:60
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 * Matrix4::from_nonuniform_scale(2.0, 1.0, (max_z - min_z));
[INFO] [stdout]     |                                                            ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 * Matrix4::from_nonuniform_scale(2.0, 1.0, (max_z - min_z));
[INFO] [stdout] 149 +                 * Matrix4::from_nonuniform_scale(2.0, 1.0, max_z - min_z );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tile_chooser.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     level_chooser: &Fn(f32) -> u8,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     level_chooser: &dyn Fn(f32) -> u8,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render/polygon.rs:101:33
[INFO] [stdout]     |
[INFO] [stdout] 101 |         polygon_color_chooser: &Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 |         polygon_color_chooser: &dyn Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/render/polygon.rs:102:31
[INFO] [stdout]     |
[INFO] [stdout] 102 |         label_style_chooser: &Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 |         label_style_chooser: &dyn Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |         polygon_color_chooser: &Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 |         polygon_color_chooser: &dyn Fn(&Properties) -> Option<[u8; 4]>,
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |         label_style_chooser: &Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |         label_style_chooser: &dyn Fn(&Properties) -> Option<LabelStyle>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/mod.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |         level_chooser: &Fn(f32) -> u8,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |         level_chooser: &dyn Fn(f32) -> u8,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: geojson v0.8.1, glutin v0.12.2, winit v0.10.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36", kill_on_drop: false }`
[INFO] [stdout] 7080a369d2a4ed434c3f9dff8ecfdae2e9107cef4497ed9a19d5a2c3f219fc36
