[INFO] cloning repository https://github.com/umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2
[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-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3412-fall-2022%2Flab-8-part-2-sorting-in-rust-petertestlab8-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3412-fall-2022%2Flab-8-part-2-sorting-in-rust-petertestlab8-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3aeb8b313035ec2f0d617ca2b2cb7a533efc3fbe
[INFO] building umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3412-fall-2022%2Flab-8-part-2-sorting-in-rust-petertestlab8-2" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2
[INFO] finished tweaking git repo https://github.com/umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2
[INFO] tweaked toml for git repo https://github.com/umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/umm-csci-3412-fall-2022/lab-8-part-2-sorting-in-rust-petertestlab8-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8600d735f725f7123158608da7a1ba1e67264ee5cb78e645a99a6abefdafae98
[INFO] running `Command { std: "docker" "start" "-a" "8600d735f725f7123158608da7a1ba1e67264ee5cb78e645a99a6abefdafae98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8600d735f725f7123158608da7a1ba1e67264ee5cb78e645a99a6abefdafae98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8600d735f725f7123158608da7a1ba1e67264ee5cb78e645a99a6abefdafae98", kill_on_drop: false }`
[INFO] [stdout] 8600d735f725f7123158608da7a1ba1e67264ee5cb78e645a99a6abefdafae98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a48e9c429180cb65684de482fad53d0f4acc7f3c1cb1ac5f0c3aebccf168679a
[INFO] running `Command { std: "docker" "start" "-a" "a48e9c429180cb65684de482fad53d0f4acc7f3c1cb1ac5f0c3aebccf168679a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sorting-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ys`
[INFO] [stdout]    --> src/main.rs:171:75
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn merge<T: PartialOrd + std::marker::Copy + std::fmt::Debug>(xs: Vec<T>, ys: Vec<T>) -> Vec<T> {
[INFO] [stdout]     |                                                                           ^^ help: if this is intentional, prefix it with an underscore: `_ys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "a48e9c429180cb65684de482fad53d0f4acc7f3c1cb1ac5f0c3aebccf168679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48e9c429180cb65684de482fad53d0f4acc7f3c1cb1ac5f0c3aebccf168679a", kill_on_drop: false }`
[INFO] [stdout] a48e9c429180cb65684de482fad53d0f4acc7f3c1cb1ac5f0c3aebccf168679a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 873e5152b4bcff3963c63ea972bbb4e8e44888bdce9a70046d32f139e7f40328
[INFO] running `Command { std: "docker" "start" "-a" "873e5152b4bcff3963c63ea972bbb4e8e44888bdce9a70046d32f139e7f40328", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ys`
[INFO] [stdout]    --> src/main.rs:171:75
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn merge<T: PartialOrd + std::marker::Copy + std::fmt::Debug>(xs: Vec<T>, ys: Vec<T>) -> Vec<T> {
[INFO] [stdout]     |                                                                           ^^ help: if this is intentional, prefix it with an underscore: `_ys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "873e5152b4bcff3963c63ea972bbb4e8e44888bdce9a70046d32f139e7f40328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873e5152b4bcff3963c63ea972bbb4e8e44888bdce9a70046d32f139e7f40328", kill_on_drop: false }`
[INFO] [stdout] 873e5152b4bcff3963c63ea972bbb4e8e44888bdce9a70046d32f139e7f40328