[INFO] cloning repository https://github.com/kurikaesu/Rust-Iterative-MergeSort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurikaesu/Rust-Iterative-MergeSort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurikaesu%2FRust-Iterative-MergeSort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurikaesu%2FRust-Iterative-MergeSort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2f48105720814f8309187f541f0ee6ab6404f0a
[INFO] checking kurikaesu/Rust-Iterative-MergeSort against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurikaesu%2FRust-Iterative-MergeSort" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kurikaesu/Rust-Iterative-MergeSort on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kurikaesu/Rust-Iterative-MergeSort
[INFO] finished tweaking git repo https://github.com/kurikaesu/Rust-Iterative-MergeSort
[INFO] tweaked toml for git repo https://github.com/kurikaesu/Rust-Iterative-MergeSort written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kurikaesu/Rust-Iterative-MergeSort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c68976200b85420a07161f6804fd5ab8406ac2260714f5f62f2cc9fbdb1163c
[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" "7c68976200b85420a07161f6804fd5ab8406ac2260714f5f62f2cc9fbdb1163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c68976200b85420a07161f6804fd5ab8406ac2260714f5f62f2cc9fbdb1163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c68976200b85420a07161f6804fd5ab8406ac2260714f5f62f2cc9fbdb1163c", kill_on_drop: false }`
[INFO] [stdout] 7c68976200b85420a07161f6804fd5ab8406ac2260714f5f62f2cc9fbdb1163c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dafc8ea35f1255e9666d6abeb5a32df9ebe781b7d125208344abefe60674c39
[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" "4dafc8ea35f1255e9666d6abeb5a32df9ebe781b7d125208344abefe60674c39", kill_on_drop: false }`
[INFO] [stderr]     Checking MergeSortIterative v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `MergeSortIterative` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `merge_sort_iterative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MergeSortIterative` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `merge_sort_iterative`
[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 0.87s
[INFO] running `Command { std: "docker" "inspect" "4dafc8ea35f1255e9666d6abeb5a32df9ebe781b7d125208344abefe60674c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dafc8ea35f1255e9666d6abeb5a32df9ebe781b7d125208344abefe60674c39", kill_on_drop: false }`
[INFO] [stdout] 4dafc8ea35f1255e9666d6abeb5a32df9ebe781b7d125208344abefe60674c39