[INFO] cloning repository https://github.com/lempiy/Weiler-Atherton-Clipping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lempiy/Weiler-Atherton-Clipping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flempiy%2FWeiler-Atherton-Clipping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flempiy%2FWeiler-Atherton-Clipping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8de3a0ab14e59b2c636540c4d6ca1217038aa72
[INFO] checking lempiy/Weiler-Atherton-Clipping against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flempiy%2FWeiler-Atherton-Clipping" "/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/lempiy/Weiler-Atherton-Clipping on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lempiy/Weiler-Atherton-Clipping
[INFO] finished tweaking git repo https://github.com/lempiy/Weiler-Atherton-Clipping
[INFO] tweaked toml for git repo https://github.com/lempiy/Weiler-Atherton-Clipping written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/lempiy/Weiler-Atherton-Clipping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6317259d6d61cb6e508ee1d709bfff832597ad9cc9a47ae874244cb1e080d64e
[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" "6317259d6d61cb6e508ee1d709bfff832597ad9cc9a47ae874244cb1e080d64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6317259d6d61cb6e508ee1d709bfff832597ad9cc9a47ae874244cb1e080d64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6317259d6d61cb6e508ee1d709bfff832597ad9cc9a47ae874244cb1e080d64e", kill_on_drop: false }`
[INFO] [stdout] 6317259d6d61cb6e508ee1d709bfff832597ad9cc9a47ae874244cb1e080d64e
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 189d3ab3efb174659f8636b0d4f855ef67c0e639a71f2690deb955d98603568e
[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" "189d3ab3efb174659f8636b0d4f855ef67c0e639a71f2690deb955d98603568e", kill_on_drop: false }`
[INFO] [stderr]     Checking poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clip.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut j = if i != self.points.len() - 1 { i + 1 } else { 0 };
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clip.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 PolyListOption::List(mut clip_list) => {
[INFO] [stdout]     |                                      ----^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clip.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut j = if i != self.points.len() - 1 { i + 1 } else { 0 };
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clip.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 PolyListOption::List(mut clip_list) => {
[INFO] [stdout]     |                                      ----^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "189d3ab3efb174659f8636b0d4f855ef67c0e639a71f2690deb955d98603568e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189d3ab3efb174659f8636b0d4f855ef67c0e639a71f2690deb955d98603568e", kill_on_drop: false }`
[INFO] [stdout] 189d3ab3efb174659f8636b0d4f855ef67c0e639a71f2690deb955d98603568e