[INFO] cloning repository https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-cassie-and-johannes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-cassie-and-johannes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 705cc0f7407901e94360c6bdeb7e5c0d7cc8b2c8
[INFO] checking umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-cassie-and-johannes" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes
[INFO] finished tweaking git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes
[INFO] tweaked toml for git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-cassie-and-johannes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d1103cb5089a467192f1aa86c11a8f212b9f60232789bbaa1ed0129378f2d1
[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" "55d1103cb5089a467192f1aa86c11a8f212b9f60232789bbaa1ed0129378f2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d1103cb5089a467192f1aa86c11a8f212b9f60232789bbaa1ed0129378f2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d1103cb5089a467192f1aa86c11a8f212b9f60232789bbaa1ed0129378f2d1", kill_on_drop: false }`
[INFO] [stdout] 55d1103cb5089a467192f1aa86c11a8f212b9f60232789bbaa1ed0129378f2d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e891d92ffc3aea17eac5be5cbc083418440291113043e1f53cce479f1f30d1f8
[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" "e891d92ffc3aea17eac5be5cbc083418440291113043e1f53cce479f1f30d1f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[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 sorting-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "e891d92ffc3aea17eac5be5cbc083418440291113043e1f53cce479f1f30d1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e891d92ffc3aea17eac5be5cbc083418440291113043e1f53cce479f1f30d1f8", kill_on_drop: false }`
[INFO] [stdout] e891d92ffc3aea17eac5be5cbc083418440291113043e1f53cce479f1f30d1f8