[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 1.60.0 for beta-1.61-1
[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-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-50/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" "+1.60.0" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebddec64be3d6ed1c8570ff67603e36f4516aaaa03b7fa9f45c40ae27f50a7b2
[INFO] running `Command { std: "docker" "start" "-a" "ebddec64be3d6ed1c8570ff67603e36f4516aaaa03b7fa9f45c40ae27f50a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebddec64be3d6ed1c8570ff67603e36f4516aaaa03b7fa9f45c40ae27f50a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebddec64be3d6ed1c8570ff67603e36f4516aaaa03b7fa9f45c40ae27f50a7b2", kill_on_drop: false }`
[INFO] [stdout] ebddec64be3d6ed1c8570ff67603e36f4516aaaa03b7fa9f45c40ae27f50a7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cec1f8e37b7f515d1fb83e4df34efa07740f978324eddd7b2d2c61aa611c7d8e
[INFO] running `Command { std: "docker" "start" "-a" "cec1f8e37b7f515d1fb83e4df34efa07740f978324eddd7b2d2c61aa611c7d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[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 35.29s
[INFO] running `Command { std: "docker" "inspect" "cec1f8e37b7f515d1fb83e4df34efa07740f978324eddd7b2d2c61aa611c7d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec1f8e37b7f515d1fb83e4df34efa07740f978324eddd7b2d2c61aa611c7d8e", kill_on_drop: false }`
[INFO] [stdout] cec1f8e37b7f515d1fb83e4df34efa07740f978324eddd7b2d2c61aa611c7d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd16d350d39fd030c1bcbe2391f3620236feed12de1ea3d17e8a414ed388a77c
[INFO] running `Command { std: "docker" "start" "-a" "bd16d350d39fd030c1bcbe2391f3620236feed12de1ea3d17e8a414ed388a77c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.68s
[INFO] running `Command { std: "docker" "inspect" "bd16d350d39fd030c1bcbe2391f3620236feed12de1ea3d17e8a414ed388a77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd16d350d39fd030c1bcbe2391f3620236feed12de1ea3d17e8a414ed388a77c", kill_on_drop: false }`
[INFO] [stdout] bd16d350d39fd030c1bcbe2391f3620236feed12de1ea3d17e8a414ed388a77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba2d7d57fec61535158e7feb5eb31906f33e11ced29a9ccc854b4efe475248fb
[INFO] running `Command { std: "docker" "start" "-a" "ba2d7d57fec61535158e7feb5eb31906f33e11ced29a9ccc854b4efe475248fb", 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-460dc05d9fd0c8ca)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::insertion_sort::empty ... ok
[INFO] [stdout] test tests::insertion_sort::presorted ... ok
[INFO] [stdout] test tests::insertion_sort::ten_items ... ok
[INFO] [stdout] test tests::merge_sort::empty ... ok
[INFO] [stdout] test tests::merge_sort::ten_items ... ok
[INFO] [stdout] test tests::merge_sort::presorted ... ok
[INFO] [stdout] test tests::quicksort::empty ... ok
[INFO] [stdout] test tests::quicksort::presorted ... ok
[INFO] [stdout] test tests::quicksort::ten_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba2d7d57fec61535158e7feb5eb31906f33e11ced29a9ccc854b4efe475248fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2d7d57fec61535158e7feb5eb31906f33e11ced29a9ccc854b4efe475248fb", kill_on_drop: false }`
[INFO] [stdout] ba2d7d57fec61535158e7feb5eb31906f33e11ced29a9ccc854b4efe475248fb