[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#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/milliams/plotlib`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.5.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab0800917cad87c3454458205dc277bbda8d9dea4765896f0f7508b0282928d
[INFO] running `Command { std: "docker" "start" "-a" "dab0800917cad87c3454458205dc277bbda8d9dea4765896f0f7508b0282928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab0800917cad87c3454458205dc277bbda8d9dea4765896f0f7508b0282928d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab0800917cad87c3454458205dc277bbda8d9dea4765896f0f7508b0282928d", kill_on_drop: false }`
[INFO] [stdout] dab0800917cad87c3454458205dc277bbda8d9dea4765896f0f7508b0282928d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8bc208b5fc8099d669a789983fa05175bfff85f704a0747b5928ad9bb9be49
[INFO] running `Command { std: "docker" "start" "-a" "7e8bc208b5fc8099d669a789983fa05175bfff85f704a0747b5928ad9bb9be49", 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: unused borrow that must be used
[INFO] [stdout]   --> src/inputset.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             &input_set.swap(0, i);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = &input_set.swap(0, i);
[INFO] [stdout]    |             +++++++
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/inputset.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             &input_set.swap(0, i);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = &input_set.swap(0, i);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.5.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7e8bc208b5fc8099d669a789983fa05175bfff85f704a0747b5928ad9bb9be49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8bc208b5fc8099d669a789983fa05175bfff85f704a0747b5928ad9bb9be49", kill_on_drop: false }`
[INFO] [stdout] 7e8bc208b5fc8099d669a789983fa05175bfff85f704a0747b5928ad9bb9be49