[INFO] cloning repository https://github.com/ytterbiumSoftware/polynomial-renderer
[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" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9e7a8cb8f73b4844d405aca2913b4e615d20cf9
[INFO] checking ytterbiumSoftware/polynomial-renderer against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FytterbiumSoftware%2Fpolynomial-renderer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ytterbiumSoftware/polynomial-renderer on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ytterbiumSoftware/polynomial-renderer
[INFO] finished tweaking git repo https://github.com/ytterbiumSoftware/polynomial-renderer
[INFO] tweaked toml for git repo https://github.com/ytterbiumSoftware/polynomial-renderer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ytterbiumSoftware/polynomial-renderer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc59c36705e22ae8b40f48d25269071f3bdf4dc28c6fcb7e8e3efbdd1ae04463
[INFO] running `Command { std: "docker" "start" "-a" "cc59c36705e22ae8b40f48d25269071f3bdf4dc28c6fcb7e8e3efbdd1ae04463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc59c36705e22ae8b40f48d25269071f3bdf4dc28c6fcb7e8e3efbdd1ae04463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc59c36705e22ae8b40f48d25269071f3bdf4dc28c6fcb7e8e3efbdd1ae04463", kill_on_drop: false }`
[INFO] [stdout] cc59c36705e22ae8b40f48d25269071f3bdf4dc28c6fcb7e8e3efbdd1ae04463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b1e5f33ac36f34cda88f56b71384ecd677b41bf8e9ee108e8324536ae6c1e9e
[INFO] running `Command { std: "docker" "start" "-a" "6b1e5f33ac36f34cda88f56b71384ecd677b41bf8e9ee108e8324536ae6c1e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.3
[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] [stdout] warning: function is never used: `interpolate`
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn interpolate<V: Into<Vector2f>>(factor: f32, a: V, b: V) -> Vertex {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `interpolate`
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn interpolate<V: Into<Vector2f>>(factor: f32, a: V, b: V) -> Vertex {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "6b1e5f33ac36f34cda88f56b71384ecd677b41bf8e9ee108e8324536ae6c1e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1e5f33ac36f34cda88f56b71384ecd677b41bf8e9ee108e8324536ae6c1e9e", kill_on_drop: false }`
[INFO] [stdout] 6b1e5f33ac36f34cda88f56b71384ecd677b41bf8e9ee108e8324536ae6c1e9e