[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 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhihang-Liu%2Flearn_graphics" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zhihang-Liu/learn_graphics on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-4/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: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v2.0.1
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded glam v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c545fc9be38735aeafa000ebb9a5c9f41792ca83ec99bb00813999b3ada4113a
[INFO] running `Command { std: "docker" "start" "-a" "c545fc9be38735aeafa000ebb9a5c9f41792ca83ec99bb00813999b3ada4113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c545fc9be38735aeafa000ebb9a5c9f41792ca83ec99bb00813999b3ada4113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c545fc9be38735aeafa000ebb9a5c9f41792ca83ec99bb00813999b3ada4113a", kill_on_drop: false }`
[INFO] [stdout] c545fc9be38735aeafa000ebb9a5c9f41792ca83ec99bb00813999b3ada4113a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa1332579ef7db02eea0cf589932b4a7bd78001eda1c51b9f64e3f0cf85c4b07
[INFO] running `Command { std: "docker" "start" "-a" "fa1332579ef7db02eea0cf589932b4a7bd78001eda1c51b9f64e3f0cf85c4b07", kill_on_drop: false }`
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking glam v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[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: associated function is never used: `sampling_range`
[INFO] [stdout]   --> src/rasterization.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn sampling_range(&self, x: usize, y: usize) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_2d_array`
[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 is never used: `sampling_unit`
[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: 4 warnings emitted
[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: associated function is never used: `sampling_range`
[INFO] [stdout]   --> src/rasterization.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn sampling_range(&self, x: usize, y: usize) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_2d_array`
[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 is never used: `sampling_unit`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "fa1332579ef7db02eea0cf589932b4a7bd78001eda1c51b9f64e3f0cf85c4b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1332579ef7db02eea0cf589932b4a7bd78001eda1c51b9f64e3f0cf85c4b07", kill_on_drop: false }`
[INFO] [stdout] fa1332579ef7db02eea0cf589932b4a7bd78001eda1c51b9f64e3f0cf85c4b07