[INFO] cloning repository https://github.com/nilsceberg/hallon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilsceberg/hallon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsceberg%2Fhallon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsceberg%2Fhallon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0d815e7e7814ccdfac24b196584d2fedbd2c936
[INFO] testing nilsceberg/hallon against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsceberg%2Fhallon" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nilsceberg/hallon
[INFO] finished tweaking git repo https://github.com/nilsceberg/hallon
[INFO] tweaked toml for git repo https://github.com/nilsceberg/hallon written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nilsceberg/hallon on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nilsceberg/hallon 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded ctrlc v3.1.4
[INFO] [stderr]   Downloaded failure v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded backtrace-sys v0.1.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9124de397e8e8031ef807487b6e33aab82d710a965f5ae78fb7ea81721bb15d
[INFO] running `Command { std: "docker" "start" "-a" "b9124de397e8e8031ef807487b6e33aab82d710a965f5ae78fb7ea81721bb15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9124de397e8e8031ef807487b6e33aab82d710a965f5ae78fb7ea81721bb15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9124de397e8e8031ef807487b6e33aab82d710a965f5ae78fb7ea81721bb15d", kill_on_drop: false }`
[INFO] [stdout] b9124de397e8e8031ef807487b6e33aab82d710a965f5ae78fb7ea81721bb15d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8776f56a87cb3819efcc7b3365e497a6c3c36d5e14cf611ff0202c6fee7eaff8
[INFO] running `Command { std: "docker" "start" "-a" "8776f56a87cb3819efcc7b3365e497a6c3c36d5e14cf611ff0202c6fee7eaff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling hallon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::geometry::*`
[INFO] [stdout]  --> src/loaders/mtl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::geometry::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube_mesh`
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let cube_mesh = loaders::obj::load(
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cube_mesh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shader`
[INFO] [stdout]    --> src/main.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let shader = shaders::SolidShader(white);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_shader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_faces` is never used
[INFO] [stdout]   --> src/geometry/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Mesh {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn from_faces(faces: Vec<[Vec3; 3]>) -> Mesh {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length2` is never used
[INFO] [stdout]   --> src/math.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Vec2 {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn length2(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sub` is never used
[INFO] [stdout]    --> src/math.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl Vec3 {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn sub(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nearest_interpolation` is never used
[INFO] [stdout]    --> src/rasterizer.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn nearest_interpolation([a, b, c]: Triangle, position: Vec2) -> Vertex {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen_uv` is never read
[INFO] [stdout]  --> src/shaders/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FragmentInput {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 8 |     pub vertex: Vertex,
[INFO] [stdout] 9 |     pub screen_uv: Vec2,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugShader` is never constructed
[INFO] [stdout]   --> src/shaders/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DebugShader;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScreenUVShader` is never constructed
[INFO] [stdout]   --> src/shaders/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ScreenUVShader;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RainbowShader` is never constructed
[INFO] [stdout]   --> src/shaders/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct RainbowShader;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "8776f56a87cb3819efcc7b3365e497a6c3c36d5e14cf611ff0202c6fee7eaff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8776f56a87cb3819efcc7b3365e497a6c3c36d5e14cf611ff0202c6fee7eaff8", kill_on_drop: false }`
[INFO] [stdout] 8776f56a87cb3819efcc7b3365e497a6c3c36d5e14cf611ff0202c6fee7eaff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea05306203bf586f10d95f8819152f1c8808576f1cc1355354a2a0e1f087fd7
[INFO] running `Command { std: "docker" "start" "-a" "aea05306203bf586f10d95f8819152f1c8808576f1cc1355354a2a0e1f087fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hallon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::geometry::*`
[INFO] [stdout]  --> src/loaders/mtl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::geometry::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube_mesh`
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let cube_mesh = loaders::obj::load(
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cube_mesh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shader`
[INFO] [stdout]    --> src/main.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let shader = shaders::SolidShader(white);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_shader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_faces` is never used
[INFO] [stdout]   --> src/geometry/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Mesh {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn from_faces(faces: Vec<[Vec3; 3]>) -> Mesh {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length2` is never used
[INFO] [stdout]   --> src/math.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Vec2 {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn length2(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sub` is never used
[INFO] [stdout]    --> src/math.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl Vec3 {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn sub(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nearest_interpolation` is never used
[INFO] [stdout]    --> src/rasterizer.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn nearest_interpolation([a, b, c]: Triangle, position: Vec2) -> Vertex {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `screen_uv` is never read
[INFO] [stdout]  --> src/shaders/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FragmentInput {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 8 |     pub vertex: Vertex,
[INFO] [stdout] 9 |     pub screen_uv: Vec2,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugShader` is never constructed
[INFO] [stdout]   --> src/shaders/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DebugShader;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScreenUVShader` is never constructed
[INFO] [stdout]   --> src/shaders/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ScreenUVShader;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RainbowShader` is never constructed
[INFO] [stdout]   --> src/shaders/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct RainbowShader;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "aea05306203bf586f10d95f8819152f1c8808576f1cc1355354a2a0e1f087fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea05306203bf586f10d95f8819152f1c8808576f1cc1355354a2a0e1f087fd7", kill_on_drop: false }`
[INFO] [stdout] aea05306203bf586f10d95f8819152f1c8808576f1cc1355354a2a0e1f087fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5509293d0d68be622ae2eb6affb909348da6237b0be105cf39e5cb41beac3de
[INFO] running `Command { std: "docker" "start" "-a" "d5509293d0d68be622ae2eb6affb909348da6237b0be105cf39e5cb41beac3de", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::geometry::*`
[INFO] [stdout] 
[INFO] [stderr]  --> src/loaders/mtl.rs:1:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | use crate::geometry::*;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cube_mesh`
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let cube_mesh = loaders::obj::load(
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cube_mesh`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shader`
[INFO] [stderr]    --> src/main.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let shader = shaders::SolidShader(white);
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_shader`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_faces` is never used
[INFO] [stderr]   --> src/geometry/mod.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Mesh {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 19 |     pub fn from_faces(faces: Vec<[Vec3; 3]>) -> Mesh {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `length2` is never used
[INFO] [stderr]   --> src/math.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl Vec2 {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 97 |     pub fn length2(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `sub` is never used
[INFO] [stderr]    --> src/math.rs:123:12
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Vec3 {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn sub(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `nearest_interpolation` is never used
[INFO] [stderr]    --> src/rasterizer.rs:164:8
[INFO] [stderr]     |
[INFO] [stderr] 164 | pub fn nearest_interpolation([a, b, c]: Triangle, position: Vec2) -> Vertex {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `screen_uv` is never read
[INFO] [stderr]  --> src/shaders/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct FragmentInput {
[INFO] [stderr]   |            ------------- field in this struct
[INFO] [stderr] 8 |     pub vertex: Vertex,
[INFO] [stderr] 9 |     pub screen_uv: Vec2,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DebugShader` is never constructed
[INFO] [stderr]   --> src/shaders/mod.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct DebugShader;
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ScreenUVShader` is never constructed
[INFO] [stderr]   --> src/shaders/mod.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct ScreenUVShader;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RainbowShader` is never constructed
[INFO] [stderr]   --> src/shaders/mod.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct RainbowShader;
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hallon` (bin "hallon" test) generated 11 warnings (run `cargo fix --bin "hallon" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hallon-97478b569e954baf)
[INFO] running `Command { std: "docker" "inspect" "d5509293d0d68be622ae2eb6affb909348da6237b0be105cf39e5cb41beac3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5509293d0d68be622ae2eb6affb909348da6237b0be105cf39e5cb41beac3de", kill_on_drop: false }`
[INFO] [stdout] d5509293d0d68be622ae2eb6affb909348da6237b0be105cf39e5cb41beac3de
