[INFO] cloning repository https://github.com/umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas
[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-2021/sorting-in-rust-jadyn-nicholas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3412-fall-2021%2Fsorting-in-rust-jadyn-nicholas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3412-fall-2021%2Fsorting-in-rust-jadyn-nicholas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24ba57a1f438162bea9bd883792755d20391bd21
[INFO] testing umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3412-fall-2021%2Fsorting-in-rust-jadyn-nicholas" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas
[INFO] finished tweaking git repo https://github.com/umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas
[INFO] tweaked toml for git repo https://github.com/umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/umm-csci-3412-fall-2021/sorting-in-rust-jadyn-nicholas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33391a512183a49df6ecb748717cf408ecb7769faa01191b8dc6dc7d1337c174
[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" "33391a512183a49df6ecb748717cf408ecb7769faa01191b8dc6dc7d1337c174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33391a512183a49df6ecb748717cf408ecb7769faa01191b8dc6dc7d1337c174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33391a512183a49df6ecb748717cf408ecb7769faa01191b8dc6dc7d1337c174", kill_on_drop: false }`
[INFO] [stdout] 33391a512183a49df6ecb748717cf408ecb7769faa01191b8dc6dc7d1337c174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ba787a7d0244316be7d8555bb614992e82909b4351fd44f5e794aeb667b6e4b
[INFO] running `Command { std: "docker" "start" "-a" "6ba787a7d0244316be7d8555bb614992e82909b4351fd44f5e794aeb667b6e4b", kill_on_drop: false }`
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut smaller;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L1` should have a snake case name
[INFO] [stdout]    --> src/main.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let L1 = xs.len();
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `l1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L2` should have a snake case name
[INFO] [stdout]    --> src/main.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let L2 = ys.len();
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `l2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "6ba787a7d0244316be7d8555bb614992e82909b4351fd44f5e794aeb667b6e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba787a7d0244316be7d8555bb614992e82909b4351fd44f5e794aeb667b6e4b", kill_on_drop: false }`
[INFO] [stdout] 6ba787a7d0244316be7d8555bb614992e82909b4351fd44f5e794aeb667b6e4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 246cd742a586b103becaa4277090a206714b158662823d87c49e7107df2ebb5e
[INFO] running `Command { std: "docker" "start" "-a" "246cd742a586b103becaa4277090a206714b158662823d87c49e7107df2ebb5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut smaller;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L1` should have a snake case name
[INFO] [stdout]    --> src/main.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let L1 = xs.len();
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `l1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L2` should have a snake case name
[INFO] [stdout]    --> src/main.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let L2 = ys.len();
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `l2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "246cd742a586b103becaa4277090a206714b158662823d87c49e7107df2ebb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246cd742a586b103becaa4277090a206714b158662823d87c49e7107df2ebb5e", kill_on_drop: false }`
[INFO] [stdout] 246cd742a586b103becaa4277090a206714b158662823d87c49e7107df2ebb5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a030b06b3564231136e79c2193ef0b4771665a0f77c8d191f2f26b5ab7ea1497
[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" "a030b06b3564231136e79c2193ef0b4771665a0f77c8d191f2f26b5ab7ea1497", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut smaller;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L1` should have a snake case name
[INFO] [stderr]    --> src/main.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |     let L1 = xs.len();
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `l1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L2` should have a snake case name
[INFO] [stderr]    --> src/main.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let L2 = ys.len();
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `l2`
[INFO] [stderr] 
[INFO] [stderr] warning: `sorting-in-rust` (bin "sorting-in-rust" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sorting_in_rust-ff178ad002478630)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::insertion_sort::empty ... ok
[INFO] [stdout] test tests::quicksort::ten_items ... ok
[INFO] [stdout] test tests::insertion_sort::presorted ... ok
[INFO] [stdout] test tests::insertion_sort::ten_items ... ok
[INFO] [stdout] test tests::quicksort::empty ... ok
[INFO] [stdout] test tests::merge_sort::empty ... ok
[INFO] [stdout] test tests::quicksort::presorted ... ok
[INFO] [stdout] test tests::merge_sort::presorted ... ok
[INFO] [stdout] test tests::merge_sort::ten_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a030b06b3564231136e79c2193ef0b4771665a0f77c8d191f2f26b5ab7ea1497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a030b06b3564231136e79c2193ef0b4771665a0f77c8d191f2f26b5ab7ea1497", kill_on_drop: false }`
[INFO] [stdout] a030b06b3564231136e79c2193ef0b4771665a0f77c8d191f2f26b5ab7ea1497