[INFO] updating cached repository https://github.com/ytterbiumSoftware/polynomial-renderer-cubic
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2ec5f94adecf59f42e7e76d21f30974e3e46d98
[INFO] checking ytterbiumSoftware/polynomial-renderer-cubic against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer-cubic" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ytterbiumSoftware/polynomial-renderer-cubic on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ytterbiumSoftware/polynomial-renderer-cubic
[INFO] finished tweaking git repo https://github.com/ytterbiumSoftware/polynomial-renderer-cubic
[INFO] tweaked toml for git repo https://github.com/ytterbiumSoftware/polynomial-renderer-cubic written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ytterbiumSoftware/polynomial-renderer-cubic already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 91e38a5039a8a7787cebb6483a8ad5b90b44c33f61ca199b90e561cf458448d6
[INFO] running `"docker" "start" "-a" "91e38a5039a8a7787cebb6483a8ad5b90b44c33f61ca199b90e561cf458448d6"`
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking polynomial-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `STEPS_QUADRATIC`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const STEPS_QUADRATIC: u32 = 50;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: constant item is never used: `STEPS_QUADRATIC`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const STEPS_QUADRATIC: u32 = 50;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_line`
[INFO] [stderr]   --> src/main.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / fn render_line<V>(points: &[V; 2]) -> Vec<Vector2f>
[INFO] [stderr] 70 | |     where V: Into<Vector2f> + Copy {
[INFO] [stderr] 71 | |     
[INFO] [stderr] 72 | |     vec![points[0].into(), points[1].into()]
[INFO] [stderr] 73 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_curve_quadratic`
[INFO] [stderr]   --> src/main.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / fn render_curve_quadratic<V>(points: &[V; 3]) -> Vec<Vector2f>
[INFO] [stderr] 76 | |     where V: Into<Vector2f> + Copy {
[INFO] [stderr] 77 | |     
[INFO] [stderr] 78 | |     let mut curve = Vec::new();
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |     curve
[INFO] [stderr] 91 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_line`
[INFO] [stderr]   --> src/main.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / fn render_line<V>(points: &[V; 2]) -> Vec<Vector2f>
[INFO] [stderr] 70 | |     where V: Into<Vector2f> + Copy {
[INFO] [stderr] 71 | |     
[INFO] [stderr] 72 | |     vec![points[0].into(), points[1].into()]
[INFO] [stderr] 73 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_curve_quadratic`
[INFO] [stderr]   --> src/main.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / fn render_curve_quadratic<V>(points: &[V; 3]) -> Vec<Vector2f>
[INFO] [stderr] 76 | |     where V: Into<Vector2f> + Copy {
[INFO] [stderr] 77 | |     
[INFO] [stderr] 78 | |     let mut curve = Vec::new();
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |     curve
[INFO] [stderr] 91 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `"docker" "inspect" "91e38a5039a8a7787cebb6483a8ad5b90b44c33f61ca199b90e561cf458448d6"`
[INFO] running `"docker" "rm" "-f" "91e38a5039a8a7787cebb6483a8ad5b90b44c33f61ca199b90e561cf458448d6"`
[INFO] [stdout] 91e38a5039a8a7787cebb6483a8ad5b90b44c33f61ca199b90e561cf458448d6