[INFO] cloning 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" "clone" "--bare" "https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fad09e4d3ef6294c79f8814ec744ff5fdda516f
[INFO] checking Yokeshthirumoorthi/rust-convexhull-benchmarks against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-3/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab6b69a249d2a7efc05905a239286fa597464e7fe91b99d981d63954f3f7839
[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" "dab6b69a249d2a7efc05905a239286fa597464e7fe91b99d981d63954f3f7839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab6b69a249d2a7efc05905a239286fa597464e7fe91b99d981d63954f3f7839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab6b69a249d2a7efc05905a239286fa597464e7fe91b99d981d63954f3f7839", kill_on_drop: false }`
[INFO] [stdout] dab6b69a249d2a7efc05905a239286fa597464e7fe91b99d981d63954f3f7839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab497472e16649eeb9c8ec53c2ff6e117812fe901667f13d0db0ebc9f7348fc
[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" "eab497472e16649eeb9c8ec53c2ff6e117812fe901667f13d0db0ebc9f7348fc", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking svg v0.5.10
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]     Checking plotlib v0.3.0 (https://github.com/milliams/plotlib#c732707b)
[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 7.40s
[INFO] running `Command { std: "docker" "inspect" "eab497472e16649eeb9c8ec53c2ff6e117812fe901667f13d0db0ebc9f7348fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab497472e16649eeb9c8ec53c2ff6e117812fe901667f13d0db0ebc9f7348fc", kill_on_drop: false }`
[INFO] [stdout] eab497472e16649eeb9c8ec53c2ff6e117812fe901667f13d0db0ebc9f7348fc