[INFO] cloning repository https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas
[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-austin-and-firas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-austin-and-firas", 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-austin-and-firas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 760c7dbe20a959d89a22a001955e735873a78133
[INFO] checking umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-austin-and-firas" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas
[INFO] finished tweaking git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas
[INFO] tweaked toml for git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-austin-and-firas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdfff02bfab7b019d26bb76f509a14edaea99d8982f04e2191d00a581723b118
[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" "bdfff02bfab7b019d26bb76f509a14edaea99d8982f04e2191d00a581723b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdfff02bfab7b019d26bb76f509a14edaea99d8982f04e2191d00a581723b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfff02bfab7b019d26bb76f509a14edaea99d8982f04e2191d00a581723b118", kill_on_drop: false }`
[INFO] [stdout] bdfff02bfab7b019d26bb76f509a14edaea99d8982f04e2191d00a581723b118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14011f62a754c7d13a8fd84eb6485b4cb35a8ca3a75ee431953b9ec86e1a4d30
[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" "14011f62a754c7d13a8fd84eb6485b4cb35a8ca3a75ee431953b9ec86e1a4d30", 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 2.76s
[INFO] running `Command { std: "docker" "inspect" "14011f62a754c7d13a8fd84eb6485b4cb35a8ca3a75ee431953b9ec86e1a4d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14011f62a754c7d13a8fd84eb6485b4cb35a8ca3a75ee431953b9ec86e1a4d30", kill_on_drop: false }`
[INFO] [stdout] 14011f62a754c7d13a8fd84eb6485b4cb35a8ca3a75ee431953b9ec86e1a4d30