[INFO] cloning repository https://github.com/Yokeshthirumoorthi/rust-convexhull-benchmarks [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7fad09e4d3ef6294c79f8814ec744ff5fdda516f [INFO] checking Yokeshthirumoorthi/rust-convexhull-benchmarks against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-convexhull-benchmarks" "/workspace/builds/worker-7/source"` [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 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [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 `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "/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] 2f68aadc2bde3d7f2d7277d89c60efddbe549cc845f65dff37e1327a10c46b33 [INFO] running `"docker" "start" "-a" "2f68aadc2bde3d7f2d7277d89c60efddbe549cc845f65dff37e1327a10c46b33"` [INFO] [stderr] Checking svg v0.5.10 [INFO] [stderr] Checking rand_core v0.2.0 [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] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/convexhull.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | let mut chunks_set = sorted_input_set.chunks(m); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/convexhull.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | let mut chunks_set = sorted_input_set.chunks(m); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.43s [INFO] running `"docker" "inspect" "2f68aadc2bde3d7f2d7277d89c60efddbe549cc845f65dff37e1327a10c46b33"` [INFO] running `"docker" "rm" "-f" "2f68aadc2bde3d7f2d7277d89c60efddbe549cc845f65dff37e1327a10c46b33"` [INFO] [stdout] 2f68aadc2bde3d7f2d7277d89c60efddbe549cc845f65dff37e1327a10c46b33