[INFO] fetching crate gst 0.1.3...
[INFO] checking gst-0.1.3 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate gst 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gst 0.1.3 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 8b895c37b850235a266eb6af166320b15b81b90720dfd5001db23ff26845a24b
[INFO] running `"docker" "start" "-a" "8b895c37b850235a266eb6af166320b15b81b90720dfd5001db23ff26845a24b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[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 5.91s
[INFO] running `"docker" "inspect" "8b895c37b850235a266eb6af166320b15b81b90720dfd5001db23ff26845a24b"`
[INFO] running `"docker" "rm" "-f" "8b895c37b850235a266eb6af166320b15b81b90720dfd5001db23ff26845a24b"`
[INFO] [stdout] 8b895c37b850235a266eb6af166320b15b81b90720dfd5001db23ff26845a24b