[INFO] updating cached repository lempiy/Weiler-Atherton-Clipping
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lempiy/Weiler-Atherton-Clipping
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lempiy/Weiler-Atherton-Clipping" "work/ex/beta-1.38-1/sources/1.37.0/gh/lempiy/Weiler-Atherton-Clipping"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lempiy/Weiler-Atherton-Clipping'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lempiy/Weiler-Atherton-Clipping" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lempiy/Weiler-Atherton-Clipping"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lempiy/Weiler-Atherton-Clipping'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8de3a0ab14e59b2c636540c4d6ca1217038aa72
[INFO] sha for GitHub repo lempiy/Weiler-Atherton-Clipping: c8de3a0ab14e59b2c636540c4d6ca1217038aa72
[INFO] validating manifest of lempiy/Weiler-Atherton-Clipping on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lempiy/Weiler-Atherton-Clipping on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lempiy/Weiler-Atherton-Clipping
[INFO] finished frobbing lempiy/Weiler-Atherton-Clipping
[INFO] frobbed toml for lempiy/Weiler-Atherton-Clipping written to work/ex/beta-1.38-1/sources/1.37.0/gh/lempiy/Weiler-Atherton-Clipping/Cargo.toml
[INFO] started frobbing lempiy/Weiler-Atherton-Clipping
[INFO] finished frobbing lempiy/Weiler-Atherton-Clipping
[INFO] frobbed toml for lempiy/Weiler-Atherton-Clipping written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lempiy/Weiler-Atherton-Clipping/Cargo.toml
[INFO] crate lempiy/Weiler-Atherton-Clipping already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lempiy/Weiler-Atherton-Clipping against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lempiy/Weiler-Atherton-Clipping:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 199f81b35ead5dbc8e3d331fff27538c03343b63568c15401176e12fe557ae27
[INFO] running `"docker" "start" "-a" "199f81b35ead5dbc8e3d331fff27538c03343b63568c15401176e12fe557ae27"`
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clip.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let mut j = if i != self.points.len() - 1 { i + 1 } else { 0 };
[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/clip.rs:153:38
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 PolyListOption::List(mut clip_list) => {
[INFO] [stderr]     |                                      ----^^^^^^^^^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "199f81b35ead5dbc8e3d331fff27538c03343b63568c15401176e12fe557ae27"`
[INFO] running `"docker" "rm" "-f" "199f81b35ead5dbc8e3d331fff27538c03343b63568c15401176e12fe557ae27"`
[INFO] [stdout] 199f81b35ead5dbc8e3d331fff27538c03343b63568c15401176e12fe557ae27
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lempiy/Weiler-Atherton-Clipping:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6ac81f7c15601843b1040c19270c551ec7fa10d109678e2ad8899e0ff27f945a
[INFO] running `"docker" "start" "-a" "6ac81f7c15601843b1040c19270c551ec7fa10d109678e2ad8899e0ff27f945a"`
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/clip.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let mut j = if i != self.points.len() - 1 { i + 1 } else { 0 };
[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/clip.rs:153:38
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 PolyListOption::List(mut clip_list) => {
[INFO] [stderr]     |                                      ----^^^^^^^^^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "6ac81f7c15601843b1040c19270c551ec7fa10d109678e2ad8899e0ff27f945a"`
[INFO] running `"docker" "rm" "-f" "6ac81f7c15601843b1040c19270c551ec7fa10d109678e2ad8899e0ff27f945a"`
[INFO] [stdout] 6ac81f7c15601843b1040c19270c551ec7fa10d109678e2ad8899e0ff27f945a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lempiy/Weiler-Atherton-Clipping:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4f8a7a36039bf01bab340c8ca6df4756c69cf0496c51283a0be3434c5b35358b
[INFO] running `"docker" "start" "-a" "4f8a7a36039bf01bab340c8ca6df4756c69cf0496c51283a0be3434c5b35358b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/poly-7f22f55d3833f967
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::is_in_line_works ... ok
[INFO] [stdout] test tests::clip_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poly
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4f8a7a36039bf01bab340c8ca6df4756c69cf0496c51283a0be3434c5b35358b"`
[INFO] running `"docker" "rm" "-f" "4f8a7a36039bf01bab340c8ca6df4756c69cf0496c51283a0be3434c5b35358b"`
[INFO] [stdout] 4f8a7a36039bf01bab340c8ca6df4756c69cf0496c51283a0be3434c5b35358b