[INFO] cloning repository https://github.com/GentBinaku/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GentBinaku/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGentBinaku%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGentBinaku%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a51798335faa7e866739a8cb131f9536a1c662a0
[INFO] checking GentBinaku/leetcode against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGentBinaku%2Fleetcode" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GentBinaku/leetcode on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GentBinaku/leetcode
[INFO] finished tweaking git repo https://github.com/GentBinaku/leetcode
[INFO] tweaked toml for git repo https://github.com/GentBinaku/leetcode written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GentBinaku/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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking GentBinaku/leetcode against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGentBinaku%2Fleetcode" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GentBinaku/leetcode on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GentBinaku/leetcode
[INFO] finished tweaking git repo https://github.com/GentBinaku/leetcode
[INFO] tweaked toml for git repo https://github.com/GentBinaku/leetcode written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GentBinaku/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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking GentBinaku/leetcode against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGentBinaku%2Fleetcode" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GentBinaku/leetcode on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GentBinaku/leetcode
[INFO] finished tweaking git repo https://github.com/GentBinaku/leetcode
[INFO] tweaked toml for git repo https://github.com/GentBinaku/leetcode written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GentBinaku/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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea2f06dd918c22c6306b2c15fb50a0e5fcdc477d548389950324cd531e79d16
[INFO] running `Command { std: "docker" "start" "-a" "eea2f06dd918c22c6306b2c15fb50a0e5fcdc477d548389950324cd531e79d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea2f06dd918c22c6306b2c15fb50a0e5fcdc477d548389950324cd531e79d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea2f06dd918c22c6306b2c15fb50a0e5fcdc477d548389950324cd531e79d16", kill_on_drop: false }`
[INFO] [stdout] eea2f06dd918c22c6306b2c15fb50a0e5fcdc477d548389950324cd531e79d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e363ccd2b6f60d55e6de2a1c837562c2bf2bab1c75d5a67fc108d1f35f34064e
[INFO] running `Command { std: "docker" "start" "-a" "e363ccd2b6f60d55e6de2a1c837562c2bf2bab1c75d5a67fc108d1f35f34064e", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `repeated_pattern_string::repeated_substring_pattern`
[INFO] [stdout]  --> src/easy/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use repeated_pattern_string::repeated_substring_pattern;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `move_zeroes::move_zeroes`
[INFO] [stdout]  --> src/easy/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use move_zeroes::move_zeroes;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `monotonic_array::is_monotonic`
[INFO] [stdout]   --> src/easy/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use monotonic_array::is_monotonic;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `roman_to_integer::roman_to_int`
[INFO] [stdout]   --> src/easy/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use roman_to_integer::roman_to_int;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `maximum_wealth::maximum_wealth`
[INFO] [stdout]   --> src/easy/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use maximum_wealth::maximum_wealth;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::medium::spiral_matrix::Direction::Right`
[INFO] [stdout]  --> src/medium/spiral_matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::medium::spiral_matrix::Direction::Right;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `robot::is_robot_bounded`
[INFO] [stdout]  --> src/medium/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use robot::is_robot_bounded;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spiral_matrix::spiral_order`
[INFO] [stdout]  --> src/medium/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use spiral_matrix::spiral_order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `repeated_pattern_string::repeated_substring_pattern`
[INFO] [stdout]  --> src/easy/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use repeated_pattern_string::repeated_substring_pattern;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `move_zeroes::move_zeroes`
[INFO] [stdout]  --> src/easy/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use move_zeroes::move_zeroes;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `monotonic_array::is_monotonic`
[INFO] [stdout]   --> src/easy/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use monotonic_array::is_monotonic;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::medium::spiral_matrix::Direction::Right`
[INFO] [stdout]  --> src/medium/spiral_matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::medium::spiral_matrix::Direction::Right;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::medium::spiral_matrix`
[INFO] [stdout]   --> src/medium/spiral_matrix.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use crate::medium::spiral_matrix;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spiral_matrix::spiral_order`
[INFO] [stdout]  --> src/medium/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use spiral_matrix::spiral_order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]  --> src/easy/move_zeroes.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     for (i, item) in nums.clone().iter().enumerate(){
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeated_substring_pattern` is never used
[INFO] [stdout]  --> src/easy/repeated_pattern_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn repeated_substring_pattern(s: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_all_divisors` is never used
[INFO] [stdout]   --> src/easy/repeated_pattern_string.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn find_all_divisors(n: usize) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/easy/repeated_pattern_string.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn check(s: &Vec<char>, sub: &[char]) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_zeroes` is never used
[INFO] [stdout]  --> src/easy/move_zeroes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_monotonic` is never used
[INFO] [stdout]  --> src/easy/monotonic_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_monotonic(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `roman_to_int` is never used
[INFO] [stdout]  --> src/easy/roman_to_integer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maximum_wealth` is never used
[INFO] [stdout]  --> src/easy/maximum_wealth.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn maximum_wealth(accounts: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_robot_bounded` is never used
[INFO] [stdout]  --> src/medium/robot.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_robot_bounded(instructions: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]  --> src/medium/spiral_matrix.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spiral_order` is never used
[INFO] [stdout]   --> src/medium/spiral_matrix.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn spiral_order(matrix: Vec<Vec<i32>>) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]  --> src/easy/move_zeroes.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     for (i, item) in nums.clone().iter().enumerate(){
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `roman_to_int` is never used
[INFO] [stdout]  --> src/easy/roman_to_integer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_true` is never used
[INFO] [stdout]   --> src/easy/roman_to_integer.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn should_true(){
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e363ccd2b6f60d55e6de2a1c837562c2bf2bab1c75d5a67fc108d1f35f34064e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e363ccd2b6f60d55e6de2a1c837562c2bf2bab1c75d5a67fc108d1f35f34064e", kill_on_drop: false }`
[INFO] [stdout] e363ccd2b6f60d55e6de2a1c837562c2bf2bab1c75d5a67fc108d1f35f34064e