[INFO] cloning repository https://github.com/rgodha24/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgodha24/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgodha24%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgodha24%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31ed614a81527d88ebfc1d66fe399f781f5dd230
[INFO] checking rgodha24/leetcode against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgodha24%2Fleetcode" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rgodha24/leetcode
[INFO] finished tweaking git repo https://github.com/rgodha24/leetcode
[INFO] tweaked toml for git repo https://github.com/rgodha24/leetcode written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rgodha24/leetcode on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rgodha24/leetcode 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d39f5725e0a1fc094c60ab382167e058880958992dc09c1b4f323209f243e1
[INFO] running `Command { std: "docker" "start" "-a" "31d39f5725e0a1fc094c60ab382167e058880958992dc09c1b4f323209f243e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d39f5725e0a1fc094c60ab382167e058880958992dc09c1b4f323209f243e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d39f5725e0a1fc094c60ab382167e058880958992dc09c1b4f323209f243e1", kill_on_drop: false }`
[INFO] [stdout] 31d39f5725e0a1fc094c60ab382167e058880958992dc09c1b4f323209f243e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f60d808e9638f4bdb4d5ccadebd667b7c2fb55d7f56f4da3d7d3639cffb295a0
[INFO] running `Command { std: "docker" "start" "-a" "f60d808e9638f4bdb4d5ccadebd667b7c2fb55d7f56f4da3d7d3639cffb295a0", kill_on_drop: false }`
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/common_prefix.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     (0..=tens(n)).map(move |i| (n / 10_i32.pow(i as u32)))
[INFO] [stdout]    |                                ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -     (0..=tens(n)).map(move |i| (n / 10_i32.pow(i as u32)))
[INFO] [stdout] 39 +     (0..=tens(n)).map(move |i| n / 10_i32.pow(i as u32) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/common_prefix.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     (0..=tens(n)).map(move |i| (n / 10_i32.pow(i as u32)))
[INFO] [stdout]    |                                ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -     (0..=tens(n)).map(move |i| (n / 10_i32.pow(i as u32)))
[INFO] [stdout] 39 +     (0..=tens(n)).map(move |i| n / 10_i32.pow(i as u32) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/sodoku2.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Tile {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/sodoku2.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Board([[Tile; 9]; 9]);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `gen_options`, `zero_options`, `solve_recursively`, and `is_solveable_naive` are never used
[INFO] [stdout]    --> src/sodoku2.rs:28:8
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Board {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout]  28 |     fn gen_options(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     fn zero_options(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     fn solve_recursively(&mut self, depth: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn is_solveable_naive(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `points_iter` is never used
[INFO] [stdout]    --> src/sodoku2.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn points_iter() -> impl Iterator<Item = (u8, u8)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sudoko` is never used
[INFO] [stdout]    --> src/sodoku2.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn sudoko(in_board: &mut Vec<Vec<char>>) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f60d808e9638f4bdb4d5ccadebd667b7c2fb55d7f56f4da3d7d3639cffb295a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60d808e9638f4bdb4d5ccadebd667b7c2fb55d7f56f4da3d7d3639cffb295a0", kill_on_drop: false }`
[INFO] [stdout] f60d808e9638f4bdb4d5ccadebd667b7c2fb55d7f56f4da3d7d3639cffb295a0