[INFO] cloning repository https://github.com/nagulan06/Rust_Parallel_Sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagulan06/Rust_Parallel_Sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagulan06%2FRust_Parallel_Sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagulan06%2FRust_Parallel_Sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0ebc244f15a43acd4fbeb374bd0bf8f8e017598
[INFO] checking nagulan06/Rust_Parallel_Sort against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagulan06%2FRust_Parallel_Sort" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nagulan06/Rust_Parallel_Sort on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nagulan06/Rust_Parallel_Sort
[INFO] finished tweaking git repo https://github.com/nagulan06/Rust_Parallel_Sort
[INFO] tweaked toml for git repo https://github.com/nagulan06/Rust_Parallel_Sort written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nagulan06/Rust_Parallel_Sort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f2d2eba58d6f9f52fd54b157542cd898cbf55c9a2df7a1e785c8b8ecd892afe
[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" "7f2d2eba58d6f9f52fd54b157542cd898cbf55c9a2df7a1e785c8b8ecd892afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f2d2eba58d6f9f52fd54b157542cd898cbf55c9a2df7a1e785c8b8ecd892afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2d2eba58d6f9f52fd54b157542cd898cbf55c9a2df7a1e785c8b8ecd892afe", kill_on_drop: false }`
[INFO] [stdout] 7f2d2eba58d6f9f52fd54b157542cd898cbf55c9a2df7a1e785c8b8ecd892afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e633bf2a943a231a810e4199b84ce4fc53f946a92f43b2d80d25e5e0bfd43a93
[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" "e633bf2a943a231a810e4199b84ce4fc53f946a92f43b2d80d25e5e0bfd43a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ssort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "e633bf2a943a231a810e4199b84ce4fc53f946a92f43b2d80d25e5e0bfd43a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e633bf2a943a231a810e4199b84ce4fc53f946a92f43b2d80d25e5e0bfd43a93", kill_on_drop: false }`
[INFO] [stdout] e633bf2a943a231a810e4199b84ce4fc53f946a92f43b2d80d25e5e0bfd43a93