[INFO] cloning repository https://github.com/ytterbiumSoftware/polynomial-renderer-cubic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ytterbiumSoftware/polynomial-renderer-cubic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer-cubic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer-cubic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2ec5f94adecf59f42e7e76d21f30974e3e46d98
[INFO] checking ytterbiumSoftware/polynomial-renderer-cubic against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer-cubic" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ytterbiumSoftware/polynomial-renderer-cubic on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-9/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8b8f56ed9b8b545ee6cdd00057571b5f700cee0852a2aea5053cd05f3a57023
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8b8f56ed9b8b545ee6cdd00057571b5f700cee0852a2aea5053cd05f3a57023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b8f56ed9b8b545ee6cdd00057571b5f700cee0852a2aea5053cd05f3a57023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b8f56ed9b8b545ee6cdd00057571b5f700cee0852a2aea5053cd05f3a57023", kill_on_drop: false }`
[INFO] [stdout] c8b8f56ed9b8b545ee6cdd00057571b5f700cee0852a2aea5053cd05f3a57023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25428fcdb694da4c748fae6dcd60b03b72c28d8ef6b424c5dbca6b5b6cecff9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25428fcdb694da4c748fae6dcd60b03b72c28d8ef6b424c5dbca6b5b6cecff9f", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking polynomial-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `STEPS_QUADRATIC`
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const STEPS_QUADRATIC: u32 = 50;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_line`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn render_line<V>(points: &[V; 2]) -> Vec<Vector2f>
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_curve_quadratic`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn render_curve_quadratic<V>(points: &[V; 3]) -> Vec<Vector2f>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STEPS_QUADRATIC`
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const STEPS_QUADRATIC: u32 = 50;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_line`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn render_line<V>(points: &[V; 2]) -> Vec<Vector2f>
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_curve_quadratic`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn render_curve_quadratic<V>(points: &[V; 3]) -> Vec<Vector2f>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "25428fcdb694da4c748fae6dcd60b03b72c28d8ef6b424c5dbca6b5b6cecff9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25428fcdb694da4c748fae6dcd60b03b72c28d8ef6b424c5dbca6b5b6cecff9f", kill_on_drop: false }`
[INFO] [stdout] 25428fcdb694da4c748fae6dcd60b03b72c28d8ef6b424c5dbca6b5b6cecff9f