[INFO] cloning repository alanpoon/rs-polygon2
[INFO] running `"git" "clone" "--bare" "git://github.com/alanpoon/rs-polygon2.git" "work/cache/sources/gh/alanpoon/rs-polygon2"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/alanpoon/rs-polygon2'...
[INFO] running `"git" "clone" "work/cache/sources/gh/alanpoon/rs-polygon2" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alanpoon/rs-polygon2"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alanpoon/rs-polygon2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alanpoon/rs-polygon2" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/alanpoon/rs-polygon2"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/alanpoon/rs-polygon2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 05cebf533edf9e1de95bb6208d2c0f72aa190caa
[INFO] sha for GitHub repo alanpoon/rs-polygon2: 05cebf533edf9e1de95bb6208d2c0f72aa190caa
[INFO] validating manifest of alanpoon/rs-polygon2 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alanpoon/rs-polygon2 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alanpoon/rs-polygon2
[INFO] finished frobbing alanpoon/rs-polygon2
[INFO] frobbed toml for alanpoon/rs-polygon2 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alanpoon/rs-polygon2/Cargo.toml
[INFO] started frobbing alanpoon/rs-polygon2
[INFO] finished frobbing alanpoon/rs-polygon2
[INFO] frobbed toml for alanpoon/rs-polygon2 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/alanpoon/rs-polygon2/Cargo.toml
[INFO] crate alanpoon/rs-polygon2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec2 v0.2.0
[INFO] [stderr]   Downloaded vec3 v0.2.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking alanpoon/rs-polygon2 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alanpoon/rs-polygon2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2dd95ad51e519b9cb82b206e993478035b32ea7ce2338d27f0ba261c3b03613
[INFO] running `"docker" "start" "-a" "b2dd95ad51e519b9cb82b206e993478035b32ea7ce2338d27f0ba261c3b03613"`
[INFO] [stderr]     Checking cast_trait v0.1.2
[INFO] [stderr]     Checking vec3 v0.2.0
[INFO] [stderr]     Checking vec2 v0.2.0
[INFO] [stderr]     Checking polygon2 v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clipping/greiner_hormann/polygon.rs:203:41
[INFO] [stderr]     |
[INFO] [stderr] 203 |                                     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:205:41
[INFO] [stderr]     |
[INFO] [stderr] 205 |                                     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: variable does not need to be mutable
[INFO] [stderr]    --> src/clipping/greiner_hormann/polygon.rs:203:41
[INFO] [stderr]     |
[INFO] [stderr] 203 |                                     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:205:41
[INFO] [stderr]     |
[INFO] [stderr] 205 |                                     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]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `"docker" "inspect" "b2dd95ad51e519b9cb82b206e993478035b32ea7ce2338d27f0ba261c3b03613"`
[INFO] running `"docker" "rm" "-f" "b2dd95ad51e519b9cb82b206e993478035b32ea7ce2338d27f0ba261c3b03613"`
[INFO] [stdout] b2dd95ad51e519b9cb82b206e993478035b32ea7ce2338d27f0ba261c3b03613