Sep 10 17:01:25.597 INFO checking gst-0.1.3 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 17:01:25.597 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 17:01:25.597 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 17:01:25.848 INFO blam! bf02c6a965c4d802a11617f466528dc64f6890ad8be730a9e9354c4999ceda9e
Sep 10 17:01:25.852 INFO running `"docker" "start" "-a" "bf02c6a965c4d802a11617f466528dc64f6890ad8be730a9e9354c4999ceda9e"`
Sep 10 17:01:26.967 INFO kablam! usermod: no changes
Sep 10 17:01:27.094 INFO kablam!     Checking ordered-float v0.0.2
Sep 10 17:01:27.509 INFO kablam!     Checking gst v0.1.3 (file:///source)
Sep 10 17:01:28.642 INFO kablam! warning: unused variable: `v`
Sep 10 17:01:28.642 INFO kablam!    --> src/rtree.rs:367:13
Sep 10 17:01:28.642 INFO kablam!     |
Sep 10 17:01:28.642 INFO kablam! 367 |         let v = vec![
Sep 10 17:01:28.642 INFO kablam!     |             ^ help: consider using `_v` instead
Sep 10 17:01:28.642 INFO kablam!     |
Sep 10 17:01:28.642 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 17:01:28.642 INFO kablam! 
Sep 10 17:01:28.642 INFO kablam! warning: unused variable: `v`
Sep 10 17:01:28.642 INFO kablam!    --> src/rtree.rs:378:13
Sep 10 17:01:28.642 INFO kablam!     |
Sep 10 17:01:28.642 INFO kablam! 378 |         let v = vec![
Sep 10 17:01:28.642 INFO kablam!     |             ^ help: consider using `_v` instead
Sep 10 17:01:28.642 INFO kablam! 
Sep 10 17:01:29.214 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 17:01:29.214 INFO kablam!   --> benches/rtree.rs:33:5
Sep 10 17:01:29.214 INFO kablam!    |
Sep 10 17:01:29.214 INFO kablam! 33 | /     (0..100_000).map(|i| {
Sep 10 17:01:29.214 INFO kablam! 34 | |         let x = between.ind_sample(&mut rng);
Sep 10 17:01:29.214 INFO kablam! 35 | |         let y = between.ind_sample(&mut rng);
Sep 10 17:01:29.214 INFO kablam! 36 | |         rtree.insert(Rect::from_float(x, x, y, y), format!("{}", i));
Sep 10 17:01:29.214 INFO kablam! 37 | |     }).collect::<Vec<_>>();
Sep 10 17:01:29.214 INFO kablam!    | |___________________________^
Sep 10 17:01:29.214 INFO kablam!    |
Sep 10 17:01:29.214 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 17:01:29.214 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 17:01:29.214 INFO kablam! 
Sep 10 17:01:29.243 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 17:01:29.243 INFO kablam!   --> benches/rtreebad.rs:62:5
Sep 10 17:01:29.243 INFO kablam!    |
Sep 10 17:01:29.243 INFO kablam! 62 | /     (0..100_000).map(|i| {
Sep 10 17:01:29.243 INFO kablam! 63 | |         let x = between.ind_sample(&mut rng);
Sep 10 17:01:29.243 INFO kablam! 64 | |         let y = between.ind_sample(&mut rng);
Sep 10 17:01:29.243 INFO kablam! 65 | |         rtree.insert(Rect::from_float(x, x, y, y), format!("{}", i.to_string()));
Sep 10 17:01:29.243 INFO kablam! 66 | |     }).collect::<Vec<_>>();
Sep 10 17:01:29.243 INFO kablam!    | |___________________________^
Sep 10 17:01:29.243 INFO kablam!    |
Sep 10 17:01:29.243 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 17:01:29.243 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 17:01:29.243 INFO kablam! 
Sep 10 17:01:29.323 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Sep 10 17:01:29.329 INFO kablam! su: No module specific data is present
Sep 10 17:01:29.844 INFO running `"docker" "rm" "-f" "bf02c6a965c4d802a11617f466528dc64f6890ad8be730a9e9354c4999ceda9e"`
Sep 10 17:01:29.911 INFO blam! bf02c6a965c4d802a11617f466528dc64f6890ad8be730a9e9354c4999ceda9e