[INFO] cloning repository https://github.com/YoungForest/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoungForest/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungForest%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungForest%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ef691317d55339748679b24ed602cd15ddbc4f1
[INFO] checking YoungForest/leetcode-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungForest%2Fleetcode-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YoungForest/leetcode-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YoungForest/leetcode-rust
[INFO] finished tweaking git repo https://github.com/YoungForest/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/YoungForest/leetcode-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/YoungForest/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cb9a62cac9b51e04d7c2be9980e6b68607f24d904839b2c922cd0bfa43736cd
[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" "0cb9a62cac9b51e04d7c2be9980e6b68607f24d904839b2c922cd0bfa43736cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb9a62cac9b51e04d7c2be9980e6b68607f24d904839b2c922cd0bfa43736cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb9a62cac9b51e04d7c2be9980e6b68607f24d904839b2c922cd0bfa43736cd", kill_on_drop: false }`
[INFO] [stdout] 0cb9a62cac9b51e04d7c2be9980e6b68607f24d904839b2c922cd0bfa43736cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f42943c95feacfb0aec6ecdf0b3f86cfeef57d08b50c7d65a6bedec995e0add
[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" "3f42943c95feacfb0aec6ecdf0b3f86cfeef57d08b50c7d65a6bedec995e0add", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ans` is never read
[INFO] [stdout]  --> src/problems/problem1180.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let mut ans = 0;
[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: value assigned to `ans` is never read
[INFO] [stdout]  --> src/problems/problem1180.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let mut ans = 0;
[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/problems/problem1219.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         mut path: &mut HashSet<(i32, i32)>,
[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 does not need to be mutable
[INFO] [stdout]   --> src/problems/problem1219.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut n;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems/problem1143.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `longest_common_subsequence`
[INFO] [stdout]  --> src/problems/problem1143.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn longest_common_subsequence(text1: String, text2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/problems/problem1143.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems/problem1219.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backtracking`
[INFO] [stdout]  --> src/problems/problem1219.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn backtracking(
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_maximum_gold`
[INFO] [stdout]   --> src/problems/problem1219.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_maximum_gold(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/problems/problem1219.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems/problem1223.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MOD_NUMBER`
[INFO] [stdout]  --> src/problems/problem1223.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const MOD_NUMBER: i32 = 1000000007;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `answer`
[INFO] [stdout]  --> src/problems/problem1223.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn answer(
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `die_simulator`
[INFO] [stdout]   --> src/problems/problem1223.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn die_simulator(n: i32, roll_max: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/problems/problem1223.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/problems/problem1219.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         mut path: &mut HashSet<(i32, i32)>,
[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: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/problems/problem1219.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut n;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems/problem1143.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `longest_common_subsequence`
[INFO] [stdout]  --> src/problems/problem1143.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn longest_common_subsequence(text1: String, text2: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/problems/problem1143.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems/problem1219.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backtracking`
[INFO] [stdout]  --> src/problems/problem1219.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn backtracking(
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_maximum_gold`
[INFO] [stdout]   --> src/problems/problem1219.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_maximum_gold(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/problems/problem1219.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems/problem1223.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MOD_NUMBER`
[INFO] [stdout]  --> src/problems/problem1223.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const MOD_NUMBER: i32 = 1000000007;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `answer`
[INFO] [stdout]  --> src/problems/problem1223.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn answer(
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `die_simulator`
[INFO] [stdout]   --> src/problems/problem1223.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn die_simulator(n: i32, roll_max: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/problems/problem1223.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3f42943c95feacfb0aec6ecdf0b3f86cfeef57d08b50c7d65a6bedec995e0add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f42943c95feacfb0aec6ecdf0b3f86cfeef57d08b50c7d65a6bedec995e0add", kill_on_drop: false }`
[INFO] [stdout] 3f42943c95feacfb0aec6ecdf0b3f86cfeef57d08b50c7d65a6bedec995e0add