[INFO] cloning repository https://github.com/jearmstrong21/line-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jearmstrong21/line-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjearmstrong21%2Fline-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjearmstrong21%2Fline-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46f12e7d85fc40fb85c9cef806b6142de74bf77c
[INFO] testing jearmstrong21/line-tracer against 1.98.0-beta.6+cargoflags=--release for beta-1.98-release-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjearmstrong21%2Fline-tracer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jearmstrong21/line-tracer
[INFO] finished tweaking git repo https://github.com/jearmstrong21/line-tracer
[INFO] tweaked toml for git repo https://github.com/jearmstrong21/line-tracer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jearmstrong21/line-tracer on toolchain 1.98.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jearmstrong21/line-tracer 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" "+1.98.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling line-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/geometry.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[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: `PI` and `TAU`
[INFO] [stdout]  --> src/main.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::f32::consts::{PI, TAU};
[INFO] [stdout]   |                        ^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stdout]     |                 ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stdout]     |                     ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stdout]     |                            ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |         al(line(w, 0., w, h, MATERIAL_REFLECT)); // bottom
[INFO] [stdout]     |                    ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |         al(line(0., h, w, h, MATERIAL_REFLECT)); // top
[INFO] [stdout]     |                 ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stdout]     |                 ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:148:22
[INFO] [stdout]     |
[INFO] [stdout] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stdout]     |                      ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:148:27
[INFO] [stdout]     |
[INFO] [stdout] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stdout]     |                           ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/geometry.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut pv = |p: &[f32; 2], r: f32, a: f32| -> Vertex {
[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: function `flatten` is never used
[INFO] [stdout]   --> src/geometry.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn flatten<T, S, F: Fn(&T) -> S>(arr: &[T], get: F) -> Vec<S> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5m 34s
[INFO] running `Command { std: "docker" "inspect" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling line-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/geometry.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[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: `PI` and `TAU`
[INFO] [stdout]  --> src/main.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::f32::consts::{PI, TAU};
[INFO] [stdout]   |                        ^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stdout]     |                 ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stdout]     |                     ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stdout]     |                            ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |         al(line(w, 0., w, h, MATERIAL_REFLECT)); // bottom
[INFO] [stdout]     |                    ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |         al(line(0., h, w, h, MATERIAL_REFLECT)); // top
[INFO] [stdout]     |                 ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stdout]     |                 ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:148:22
[INFO] [stdout]     |
[INFO] [stdout] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stdout]     |                      ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/main.rs:148:27
[INFO] [stdout]     |
[INFO] [stdout] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stdout]     |                           ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/geometry.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut pv = |p: &[f32; 2], r: f32, a: f32| -> Vertex {
[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: function `flatten` is never used
[INFO] [stdout]   --> src/geometry.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn flatten<T, S, F: Fn(&T) -> S>(arr: &[T], get: F) -> Vec<S> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `max` and `min`
[INFO] [stderr]  --> src/geometry.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PI` and `TAU`
[INFO] [stderr]  --> src/main.rs:5:24
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::f32::consts::{PI, TAU};
[INFO] [stderr]   |                        ^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::SystemTime`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::SystemTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stderr]     |                 ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stderr]     |                     ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:145:28
[INFO] [stderr]     |
[INFO] [stderr] 145 |         al(line(0., 0., w, 0., MATERIAL_REFLECT)); // right
[INFO] [stderr]     |                            ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |         al(line(w, 0., w, h, MATERIAL_REFLECT)); // bottom
[INFO] [stderr]     |                    ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |         al(line(0., h, w, h, MATERIAL_REFLECT)); // top
[INFO] [stderr]     |                 ^^ help: explicitly specify the type as `f32`: `0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stderr]     |                 ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:148:22
[INFO] [stderr]     |
[INFO] [stderr] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stderr]     |                      ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stderr]    --> src/main.rs:148:27
[INFO] [stderr]     |
[INFO] [stderr] 148 |         al(line(0.0, 0.0, 0.0, h, MATERIAL_REFLECT));
[INFO] [stderr]     |                           ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[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]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/geometry.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let mut pv = |p: &[f32; 2], r: f32, a: f32| -> Vertex {
[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: function `flatten` is never used
[INFO] [stderr]   --> src/geometry.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn flatten<T, S, F: Fn(&T) -> S>(arr: &[T], get: F) -> Vec<S> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `line-tracer` (bin "line-tracer" test) generated 13 warnings (run `cargo fix --bin "line-tracer" -p line-tracer --tests` to apply 12 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/line_tracer-95a8abab4d81819d)
[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" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1", kill_on_drop: false }`
[INFO] [stdout] 7748dc0a63d90c548349cfad00badefa8d04a90859cb5d2244410b0608f949a1
