[INFO] cloning repository https://github.com/BielosX/ostwind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BielosX/ostwind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBielosX%2Fostwind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBielosX%2Fostwind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4710afb4aab699ce7a9e307f027934f09b9cd1cb
[INFO] building BielosX/ostwind against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBielosX%2Fostwind" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BielosX/ostwind on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BielosX/ostwind
[INFO] finished tweaking git repo https://github.com/BielosX/ostwind
[INFO] tweaked toml for git repo https://github.com/BielosX/ostwind written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BielosX/ostwind 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c66806db756a767506a2974e0a98a3ad91aea3b27cf8e1d6b948e3c1b2b82a71
[INFO] running `Command { std: "docker" "start" "-a" "c66806db756a767506a2974e0a98a3ad91aea3b27cf8e1d6b948e3c1b2b82a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c66806db756a767506a2974e0a98a3ad91aea3b27cf8e1d6b948e3c1b2b82a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66806db756a767506a2974e0a98a3ad91aea3b27cf8e1d6b948e3c1b2b82a71", kill_on_drop: false }`
[INFO] [stdout] c66806db756a767506a2974e0a98a3ad91aea3b27cf8e1d6b948e3c1b2b82a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd9aebb53536554dd60f1a1d3a08f4f44240cb43404d12064e8735bb2196082
[INFO] running `Command { std: "docker" "start" "-a" "4fd9aebb53536554dd60f1a1d3a08f4f44240cb43404d12064e8735bb2196082", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling ibuki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/polygon.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::libc::clone`
[INFO] [stdout]  --> src/clipping.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::libc::clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/vector2d.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::libc::name_t`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use sdl2::libc::name_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowSurfaceRef`
[INFO] [stdout]   --> src/main.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::video::{WindowSurfaceRef, Window};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SDL_PixelFormat` and `wchar_t`
[INFO] [stdout]   --> src/main.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2_sys::{SDL_PixelFormat, wchar_t};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2_sys::SDL_Surface`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use sdl2_sys::SDL_Surface;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClippingRectangle`, `cohen_sutherland_line_clip`, and `cyrus_beck_line_clip`
[INFO] [stdout]   --> src/main.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::clipping::{ClippingRectangle, cohen_sutherland_line_clip, cyrus_beck_line_clip, sutherland_hodgman_polygon_clip};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/clipping.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let mut x: f32 = 0.0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/clipping.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let mut y: f32 = 0.0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clipping.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let mut next_idx = if x == (length - 1) { 0 } else { x + 1 };
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let line = Line::new(10.0, 10.0, 500.0, 500.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClippingRectangle` is never constructed
[INFO] [stdout]  --> src/clipping.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ClippingRectangle {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/clipping.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ClippingRectangle {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(x_min: f32, y_min: f32, x_max: f32, y_max: f32) -> ClippingRectangle {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TOP` is never used
[INFO] [stdout]   --> src/clipping.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const TOP: u8 = 0x1;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOTTOM` is never used
[INFO] [stdout]   --> src/clipping.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const BOTTOM: u8 = 0x2;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RIGHT` is never used
[INFO] [stdout]   --> src/clipping.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const RIGHT: u8 = 0x4;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEFT` is never used
[INFO] [stdout]   --> src/clipping.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const LEFT: u8 = 0x8;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_out_code` is never used
[INFO] [stdout]   --> src/clipping.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn compute_out_code(point: &Point2d, clipping_rectangle: &ClippingRectangle) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_passing_two_points_x` is never used
[INFO] [stdout]   --> src/clipping.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn line_passing_two_points_x(first: &Point2d, second: &Point2d, y: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_passing_two_points_y` is never used
[INFO] [stdout]   --> src/clipping.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn line_passing_two_points_y(first: &Point2d, second: &Point2d, x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cohen_sutherland_line_clip` is never used
[INFO] [stdout]   --> src/clipping.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn cohen_sutherland_line_clip(line: &Line, rectangle: &ClippingRectangle) -> Option<Line> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cyrus_beck_line_clip` is never used
[INFO] [stdout]   --> src/clipping.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn cyrus_beck_line_clip(line: &Line, clipping_polygon: &Vec<Point2d>) -> Option<Line> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "4fd9aebb53536554dd60f1a1d3a08f4f44240cb43404d12064e8735bb2196082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd9aebb53536554dd60f1a1d3a08f4f44240cb43404d12064e8735bb2196082", kill_on_drop: false }`
[INFO] [stdout] 4fd9aebb53536554dd60f1a1d3a08f4f44240cb43404d12064e8735bb2196082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e3c83f7a3dbad7746fb2814ed4018bc56a7f1c45f8e03f18ba77ac4ddfcbca6
[INFO] running `Command { std: "docker" "start" "-a" "9e3c83f7a3dbad7746fb2814ed4018bc56a7f1c45f8e03f18ba77ac4ddfcbca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibuki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/polygon.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::libc::clone`
[INFO] [stdout]  --> src/clipping.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::libc::clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/vector2d.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::libc::name_t`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use sdl2::libc::name_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowSurfaceRef`
[INFO] [stdout]   --> src/main.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::video::{WindowSurfaceRef, Window};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SDL_PixelFormat` and `wchar_t`
[INFO] [stdout]   --> src/main.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2_sys::{SDL_PixelFormat, wchar_t};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2_sys::SDL_Surface`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use sdl2_sys::SDL_Surface;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClippingRectangle`, `cohen_sutherland_line_clip`, and `cyrus_beck_line_clip`
[INFO] [stdout]   --> src/main.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::clipping::{ClippingRectangle, cohen_sutherland_line_clip, cyrus_beck_line_clip, sutherland_hodgman_polygon_clip};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/clipping.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let mut x: f32 = 0.0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/clipping.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let mut y: f32 = 0.0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clipping.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let mut next_idx = if x == (length - 1) { 0 } else { x + 1 };
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let line = Line::new(10.0, 10.0, 500.0, 500.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClippingRectangle` is never constructed
[INFO] [stdout]  --> src/clipping.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ClippingRectangle {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/clipping.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ClippingRectangle {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(x_min: f32, y_min: f32, x_max: f32, y_max: f32) -> ClippingRectangle {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TOP` is never used
[INFO] [stdout]   --> src/clipping.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const TOP: u8 = 0x1;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOTTOM` is never used
[INFO] [stdout]   --> src/clipping.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const BOTTOM: u8 = 0x2;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RIGHT` is never used
[INFO] [stdout]   --> src/clipping.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const RIGHT: u8 = 0x4;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEFT` is never used
[INFO] [stdout]   --> src/clipping.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const LEFT: u8 = 0x8;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_out_code` is never used
[INFO] [stdout]   --> src/clipping.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn compute_out_code(point: &Point2d, clipping_rectangle: &ClippingRectangle) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_passing_two_points_x` is never used
[INFO] [stdout]   --> src/clipping.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn line_passing_two_points_x(first: &Point2d, second: &Point2d, y: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_passing_two_points_y` is never used
[INFO] [stdout]   --> src/clipping.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn line_passing_two_points_y(first: &Point2d, second: &Point2d, x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cohen_sutherland_line_clip` is never used
[INFO] [stdout]   --> src/clipping.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn cohen_sutherland_line_clip(line: &Line, rectangle: &ClippingRectangle) -> Option<Line> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cyrus_beck_line_clip` is never used
[INFO] [stdout]   --> src/clipping.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn cyrus_beck_line_clip(line: &Line, clipping_polygon: &Vec<Point2d>) -> Option<Line> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "9e3c83f7a3dbad7746fb2814ed4018bc56a7f1c45f8e03f18ba77ac4ddfcbca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3c83f7a3dbad7746fb2814ed4018bc56a7f1c45f8e03f18ba77ac4ddfcbca6", kill_on_drop: false }`
[INFO] [stdout] 9e3c83f7a3dbad7746fb2814ed4018bc56a7f1c45f8e03f18ba77ac4ddfcbca6