[INFO] cloning repository https://github.com/AlexFrederick065/RustFunctions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexFrederick065/RustFunctions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexFrederick065%2FRustFunctions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexFrederick065%2FRustFunctions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb22843b8623c82271e182925bef5934bb47d91e
[INFO] checking AlexFrederick065/RustFunctions against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexFrederick065%2FRustFunctions" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexFrederick065/RustFunctions
[INFO] finished tweaking git repo https://github.com/AlexFrederick065/RustFunctions
[INFO] tweaked toml for git repo https://github.com/AlexFrederick065/RustFunctions written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexFrederick065/RustFunctions on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexFrederick065/RustFunctions 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ed74a36e9ca18c9fa8d1b2c9025d88b50c71f74cedf8b1af494c6e1c604ae2
[INFO] running `Command { std: "docker" "start" "-a" "e3ed74a36e9ca18c9fa8d1b2c9025d88b50c71f74cedf8b1af494c6e1c604ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ed74a36e9ca18c9fa8d1b2c9025d88b50c71f74cedf8b1af494c6e1c604ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ed74a36e9ca18c9fa8d1b2c9025d88b50c71f74cedf8b1af494c6e1c604ae2", kill_on_drop: false }`
[INFO] [stdout] e3ed74a36e9ca18c9fa8d1b2c9025d88b50c71f74cedf8b1af494c6e1c604ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c981ef74b40d1ad54bc3baa039e01c38603b430999342337886e6963fa256da
[INFO] running `Command { std: "docker" "start" "-a" "5c981ef74b40d1ad54bc3baa039e01c38603b430999342337886e6963fa256da", kill_on_drop: false }`
[INFO] [stderr]     Checking max-subarray-sum v0.1.7
[INFO] [stderr]     Checking rust_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for (i, c) in arr[0].chars().enumerate() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |     for (index, item) in manual_arr.iter().enumerate() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/main.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | struct TreeNode {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 198 |     val: i32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TreeNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for (i, c) in arr[0].chars().enumerate() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |     for (index, item) in manual_arr.iter().enumerate() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]    --> src/main.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | struct TreeNode {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 198 |     val: i32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TreeNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5c981ef74b40d1ad54bc3baa039e01c38603b430999342337886e6963fa256da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c981ef74b40d1ad54bc3baa039e01c38603b430999342337886e6963fa256da", kill_on_drop: false }`
[INFO] [stdout] 5c981ef74b40d1ad54bc3baa039e01c38603b430999342337886e6963fa256da
