[INFO] updating cached repository https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fad09e4d3ef6294c79f8814ec744ff5fdda516f
[INFO] checking Yokeshthirumoorthi/rust-convexhull-benchmarks against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks
[INFO] finished tweaking git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks
[INFO] tweaked toml for git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85c6003960e362b3cc5b1ad6178a4a137eacc6a3d1d585a52234e55bbe60d77a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "85c6003960e362b3cc5b1ad6178a4a137eacc6a3d1d585a52234e55bbe60d77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c6003960e362b3cc5b1ad6178a4a137eacc6a3d1d585a52234e55bbe60d77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c6003960e362b3cc5b1ad6178a4a137eacc6a3d1d585a52234e55bbe60d77a", kill_on_drop: false }`
[INFO] [stdout] 85c6003960e362b3cc5b1ad6178a4a137eacc6a3d1d585a52234e55bbe60d77a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42443f75a57663420f7cb9ee8722ce2e2c03833d496dca8ae9cf1d98a808fa75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42443f75a57663420f7cb9ee8722ce2e2c03833d496dca8ae9cf1d98a808fa75", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking rand_core v0.2.0
[INFO] [stderr]     Checking svg v0.5.10
[INFO] [stderr]     Checking plotlib v0.3.0 (https://github.com/milliams/plotlib#c732707b)
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rustalgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/convexhull.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut chunks_set = sorted_input_set.chunks(m);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/convexhull.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut chunks_set = sorted_input_set.chunks(m);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "42443f75a57663420f7cb9ee8722ce2e2c03833d496dca8ae9cf1d98a808fa75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42443f75a57663420f7cb9ee8722ce2e2c03833d496dca8ae9cf1d98a808fa75", kill_on_drop: false }`
[INFO] [stdout] 42443f75a57663420f7cb9ee8722ce2e2c03833d496dca8ae9cf1d98a808fa75