[INFO] cloning repository https://github.com/Zhihang-Liu/learn_graphics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zhihang-Liu/learn_graphics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhihang-Liu%2Flearn_graphics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhihang-Liu%2Flearn_graphics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a939706a8eba4a03fa0c2c0a4cdecb97b2e840a1
[INFO] checking Zhihang-Liu/learn_graphics/a939706a8eba4a03fa0c2c0a4cdecb97b2e840a1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhihang-Liu%2Flearn_graphics" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zhihang-Liu/learn_graphics on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zhihang-Liu/learn_graphics
[INFO] finished tweaking git repo https://github.com/Zhihang-Liu/learn_graphics
[INFO] tweaked toml for git repo https://github.com/Zhihang-Liu/learn_graphics written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zhihang-Liu/learn_graphics 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v2.0.1
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded glam v0.12.0
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00298b04868e2aa9d7ca449ee3922a111e9b6880b9058fef8425d0e3da045da9
[INFO] running `Command { std: "docker" "start" "-a" "00298b04868e2aa9d7ca449ee3922a111e9b6880b9058fef8425d0e3da045da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00298b04868e2aa9d7ca449ee3922a111e9b6880b9058fef8425d0e3da045da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00298b04868e2aa9d7ca449ee3922a111e9b6880b9058fef8425d0e3da045da9", kill_on_drop: false }`
[INFO] [stdout] 00298b04868e2aa9d7ca449ee3922a111e9b6880b9058fef8425d0e3da045da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20c69f6351b88cc6a3dd57ecdcd2629efe0f6d885ebd05ed7cb16c79da68f6b
[INFO] running `Command { std: "docker" "start" "-a" "d20c69f6351b88cc6a3dd57ecdcd2629efe0f6d885ebd05ed7cb16c79da68f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking glam v0.12.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking ordered-float v2.0.1
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking learn_graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tri`
[INFO] [stdout]    --> src/main.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let tri = Triangle {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_tri`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tri`
[INFO] [stdout]    --> src/main.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let tri = Triangle {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_tri`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `model`, `view`, and `projection` are never read
[INFO] [stdout]   --> src/rasterization.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Rasterizer {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 13 |     pub model: Cell<Mat4>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub view: Cell<Mat4>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     pub projection: Cell<Mat4>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rasterizer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sampling_range` is never used
[INFO] [stdout]   --> src/rasterization.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Rasterizer {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn sampling_range(&self, x: usize, y: usize) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_2d_array` is never used
[INFO] [stdout]   --> src/utils.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn new_2d_array<T: Clone>(default: T, x: usize, y: usize) -> Vec<Vec<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sampling_unit` is never used
[INFO] [stdout]   --> src/utils.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn sampling_unit(i: &Vec<Vec3>) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `model`, `view`, and `projection` are never read
[INFO] [stdout]   --> src/rasterization.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Rasterizer {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 13 |     pub model: Cell<Mat4>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub view: Cell<Mat4>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     pub projection: Cell<Mat4>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rasterizer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sampling_range` is never used
[INFO] [stdout]   --> src/rasterization.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Rasterizer {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn sampling_range(&self, x: usize, y: usize) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_2d_array` is never used
[INFO] [stdout]   --> src/utils.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn new_2d_array<T: Clone>(default: T, x: usize, y: usize) -> Vec<Vec<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sampling_unit` is never used
[INFO] [stdout]   --> src/utils.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn sampling_unit(i: &Vec<Vec3>) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "d20c69f6351b88cc6a3dd57ecdcd2629efe0f6d885ebd05ed7cb16c79da68f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20c69f6351b88cc6a3dd57ecdcd2629efe0f6d885ebd05ed7cb16c79da68f6b", kill_on_drop: false }`
[INFO] [stdout] d20c69f6351b88cc6a3dd57ecdcd2629efe0f6d885ebd05ed7cb16c79da68f6b