[INFO] crate polygon2 0.3.0 is already in cache
[INFO] checking polygon2-0.3.0 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate polygon2 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate polygon2 0.3.0 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate polygon2 0.3.0
[INFO] finished tweaking crates.io crate polygon2 0.3.0
[INFO] tweaked toml for crates.io crate polygon2 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4021f33f112f26d9397f8f1f0932c49d0e05a98e296e6192015f5e50f65d499a
[INFO] running `"docker" "start" "-a" "4021f33f112f26d9397f8f1f0932c49d0e05a98e296e6192015f5e50f65d499a"`
[INFO] [stderr]     Checking cast_trait v0.1.2
[INFO] [stderr]     Checking vec3 v0.2.1
[INFO] [stderr]     Checking vec2 v0.2.1
[INFO] [stderr]     Checking polygon2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clipping/greiner_hormann/polygon.rs:205:41
[INFO] [stderr]     |
[INFO] [stderr] 205 | ...                   let mut is =
[INFO] [stderr]     |                           ----^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clipping/greiner_hormann/polygon.rs:207:41
[INFO] [stderr]     |
[INFO] [stderr] 207 | ...                   let mut ic = Vertex::new(i, alpha_c, true, false, false);
[INFO] [stderr]     |                           ----^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(alloc)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clipping/greiner_hormann/polygon.rs:205:41
[INFO] [stderr]     |
[INFO] [stderr] 205 | ...                   let mut is =
[INFO] [stderr]     |                           ----^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clipping/greiner_hormann/polygon.rs:207:41
[INFO] [stderr]     |
[INFO] [stderr] 207 | ...                   let mut ic = Vertex::new(i, alpha_c, true, false, false);
[INFO] [stderr]     |                           ----^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(alloc)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "4021f33f112f26d9397f8f1f0932c49d0e05a98e296e6192015f5e50f65d499a"`
[INFO] running `"docker" "rm" "-f" "4021f33f112f26d9397f8f1f0932c49d0e05a98e296e6192015f5e50f65d499a"`
[INFO] [stdout] 4021f33f112f26d9397f8f1f0932c49d0e05a98e296e6192015f5e50f65d499a