[INFO] cloning repository https://github.com/noraa-july-stoke/rust_dsna
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noraa-july-stoke/rust_dsna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoraa-july-stoke%2Frust_dsna", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoraa-july-stoke%2Frust_dsna'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62ae1b49d2034cc3d07f753481e2075ef253faa9
[INFO] building noraa-july-stoke/rust_dsna against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoraa-july-stoke%2Frust_dsna" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noraa-july-stoke/rust_dsna
[INFO] finished tweaking git repo https://github.com/noraa-july-stoke/rust_dsna
[INFO] tweaked toml for git repo https://github.com/noraa-july-stoke/rust_dsna written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noraa-july-stoke/rust_dsna on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noraa-july-stoke/rust_dsna 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7fed2c2f1def985d7094c7a37374e7c55a66d8be4ad432e533849bb788f7f2b
[INFO] running `Command { std: "docker" "start" "-a" "c7fed2c2f1def985d7094c7a37374e7c55a66d8be4ad432e533849bb788f7f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7fed2c2f1def985d7094c7a37374e7c55a66d8be4ad432e533849bb788f7f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fed2c2f1def985d7094c7a37374e7c55a66d8be4ad432e533849bb788f7f2b", kill_on_drop: false }`
[INFO] [stdout] c7fed2c2f1def985d7094c7a37374e7c55a66d8be4ad432e533849bb788f7f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5205d8811f1db3b542a0de08e13c4752b03c365ca0328f1ea3a6e94a9ec8461a
[INFO] running `Command { std: "docker" "start" "-a" "5205d8811f1db3b542a0de08e13c4752b03c365ca0328f1ea3a6e94a9ec8461a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dsna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/word_search.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let mut s_idx = 0;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exist` is never used
[INFO] [stdout]  --> src/word_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn exist(board: Vec<Vec<char>>, word: String) -> bool {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/word_search.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if row < 0 || row >= board.len() || col < 0 || col >= board.len() || board[row][col] != word.chars().nth(s_idx).unwrap() {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/word_search.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if row < 0 || row >= board.len() || col < 0 || col >= board.len() || board[row][col] != word.chars().nth(s_idx).unwrap() {
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "5205d8811f1db3b542a0de08e13c4752b03c365ca0328f1ea3a6e94a9ec8461a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5205d8811f1db3b542a0de08e13c4752b03c365ca0328f1ea3a6e94a9ec8461a", kill_on_drop: false }`
[INFO] [stdout] 5205d8811f1db3b542a0de08e13c4752b03c365ca0328f1ea3a6e94a9ec8461a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab51a9410e4dcbe597d80e76d49dd643ac911087410d64cea6504c6470e4186a
[INFO] running `Command { std: "docker" "start" "-a" "ab51a9410e4dcbe597d80e76d49dd643ac911087410d64cea6504c6470e4186a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dsna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/word_search.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let mut s_idx = 0;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exist` is never used
[INFO] [stdout]  --> src/word_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn exist(board: Vec<Vec<char>>, word: String) -> bool {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/word_search.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if row < 0 || row >= board.len() || col < 0 || col >= board.len() || board[row][col] != word.chars().nth(s_idx).unwrap() {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/word_search.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if row < 0 || row >= board.len() || col < 0 || col >= board.len() || board[row][col] != word.chars().nth(s_idx).unwrap() {
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ab51a9410e4dcbe597d80e76d49dd643ac911087410d64cea6504c6470e4186a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab51a9410e4dcbe597d80e76d49dd643ac911087410d64cea6504c6470e4186a", kill_on_drop: false }`
[INFO] [stdout] ab51a9410e4dcbe597d80e76d49dd643ac911087410d64cea6504c6470e4186a
