[INFO] crate gst 0.1.3 is already in cache
[INFO] checking gst-0.1.3 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate gst 0.1.3 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate gst 0.1.3 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gst 0.1.3
[INFO] finished tweaking crates.io crate gst 0.1.3
[INFO] tweaked toml for crates.io crate gst 0.1.3 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 76ae80653eb27376a3a78ebda99349c91aa2bf7a796451103ee41be654e3cedf
[INFO] running `"docker" "start" "-a" "76ae80653eb27376a3a78ebda99349c91aa2bf7a796451103ee41be654e3cedf"`
[INFO] [stderr]     Checking ordered-float v0.0.2
[INFO] [stderr]     Checking gst v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/rtree.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         let v = vec![
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/rtree.rs:378:13
[INFO] [stderr]     |
[INFO] [stderr] 378 |         let v = vec![
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> benches/rtree.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     (0..100_000).map(|i| {
[INFO] [stderr] 34 | |         let x = between.ind_sample(&mut rng);
[INFO] [stderr] 35 | |         let y = between.ind_sample(&mut rng);
[INFO] [stderr] 36 | |         rtree.insert(Rect::from_float(x, x, y, y), format!("{}", i));
[INFO] [stderr] 37 | |     }).collect::<Vec<_>>();
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> benches/rtreebad.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     (0..100_000).map(|i| {
[INFO] [stderr] 63 | |         let x = between.ind_sample(&mut rng);
[INFO] [stderr] 64 | |         let y = between.ind_sample(&mut rng);
[INFO] [stderr] 65 | |         rtree.insert(Rect::from_float(x, x, y, y), format!("{}", i.to_string()));
[INFO] [stderr] 66 | |     }).collect::<Vec<_>>();
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `"docker" "inspect" "76ae80653eb27376a3a78ebda99349c91aa2bf7a796451103ee41be654e3cedf"`
[INFO] running `"docker" "rm" "-f" "76ae80653eb27376a3a78ebda99349c91aa2bf7a796451103ee41be654e3cedf"`
[INFO] [stdout] 76ae80653eb27376a3a78ebda99349c91aa2bf7a796451103ee41be654e3cedf