[INFO] cloning repository https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-benb-halley
[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-benb-halley" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-benb-halley", 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-benb-halley'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3d04ed636d461b6bf80d4235f6c968afbbda2c7
[INFO] checking umm-csci-3403-fall-2020/sorting-in-rust-benb-halley against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumm-csci-3403-fall-2020%2Fsorting-in-rust-benb-halley" "/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-3403-fall-2020/sorting-in-rust-benb-halley on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-benb-halley
[INFO] finished tweaking git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-benb-halley
[INFO] tweaked toml for git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-benb-halley written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/umm-csci-3403-fall-2020/sorting-in-rust-benb-halley already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c165e16077d4c145870cdc965a440628c44f0329669d1d8bd4b8a6b07c6b38f
[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" "7c165e16077d4c145870cdc965a440628c44f0329669d1d8bd4b8a6b07c6b38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c165e16077d4c145870cdc965a440628c44f0329669d1d8bd4b8a6b07c6b38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c165e16077d4c145870cdc965a440628c44f0329669d1d8bd4b8a6b07c6b38f", kill_on_drop: false }`
[INFO] [stdout] 7c165e16077d4c145870cdc965a440628c44f0329669d1d8bd4b8a6b07c6b38f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e9c8660cf839fcadfdbe9faf5af7aeffd7fdb44acea46ee150e36c51ab18bf
[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" "99e9c8660cf839fcadfdbe9faf5af7aeffd7fdb44acea46ee150e36c51ab18bf", kill_on_drop: false }`
[INFO] [stderr]     Checking sorting-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:178:11
[INFO] [stdout]     |
[INFO] [stdout] 178 |        if (xs[xsIndex] <= ys[ysIndex]) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 |        else if (ys[ysIndex] < xs[xsIndex]) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/main.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 |      while(xsIndex < xs.len()){
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/main.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 |      while(ysIndex < ys.len()){
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:178:11
[INFO] [stdout]     |
[INFO] [stdout] 178 |        if (xs[xsIndex] <= ys[ysIndex]) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 |        else if (ys[ysIndex] < xs[xsIndex]) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/main.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 |      while(xsIndex < xs.len()){
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/main.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 |      while(ysIndex < ys.len()){
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `smaller` is never read
[INFO] [stdout]   --> src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut smaller = length/2;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut last_index = length - 1;
[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 `xsIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut xsIndex = 0;
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `xs_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ysIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut ysIndex = 0;
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `ys_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `smaller` is never read
[INFO] [stdout]   --> src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut smaller = length/2;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut last_index = length - 1;
[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 `xsIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut xsIndex = 0;
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `xs_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ysIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut ysIndex = 0;
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `ys_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "99e9c8660cf839fcadfdbe9faf5af7aeffd7fdb44acea46ee150e36c51ab18bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e9c8660cf839fcadfdbe9faf5af7aeffd7fdb44acea46ee150e36c51ab18bf", kill_on_drop: false }`
[INFO] [stdout] 99e9c8660cf839fcadfdbe9faf5af7aeffd7fdb44acea46ee150e36c51ab18bf