[INFO] updating cached repository https://github.com/jonnyboyC/QuadTreeRs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bd3187a9c84c51b911f14ef0e0e26b4b32e39a8
[INFO] testing jonnyboyC/QuadTreeRs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjonnyboyC%2FQuadTreeRs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonnyboyC/QuadTreeRs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonnyboyC/QuadTreeRs
[INFO] finished tweaking git repo https://github.com/jonnyboyC/QuadTreeRs
[INFO] tweaked toml for git repo https://github.com/jonnyboyC/QuadTreeRs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jonnyboyC/QuadTreeRs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c741adecbd3d32bfbf97b11d8043983f3df2489b15670806c34a91443aba9a9f
[INFO] running `"docker" "start" "-a" "c741adecbd3d32bfbf97b11d8043983f3df2489b15670806c34a91443aba9a9f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling quadtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/shapes/rectangle.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `group_by` found for struct `std::vec::IntoIter<<B as shapes::bounding_box::BoundingBox>::T>` in the current scope
[INFO] [stderr]   --> src/tree/quad_node.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             .group_by(|item| self.bounds.get_partition(item))
[INFO] [stderr]    |              ^^^^^^^^ method not found in `std::vec::IntoIter<<B as shapes::bounding_box::BoundingBox>::T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `quadtree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c741adecbd3d32bfbf97b11d8043983f3df2489b15670806c34a91443aba9a9f"`
[INFO] running `"docker" "rm" "-f" "c741adecbd3d32bfbf97b11d8043983f3df2489b15670806c34a91443aba9a9f"`
[INFO] [stdout] c741adecbd3d32bfbf97b11d8043983f3df2489b15670806c34a91443aba9a9f