[INFO] cloning repository https://github.com/bsjhx/neetcode-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsjhx/neetcode-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Fneetcode-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Fneetcode-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee09c6949a69068f86b3131e2a768adeb4098c0e
[INFO] checking bsjhx/neetcode-solutions against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Fneetcode-solutions" "/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/bsjhx/neetcode-solutions on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bsjhx/neetcode-solutions
[INFO] finished tweaking git repo https://github.com/bsjhx/neetcode-solutions
[INFO] tweaked toml for git repo https://github.com/bsjhx/neetcode-solutions written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bsjhx/neetcode-solutions 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e93b2c78bc5a661b376842b848db4f662b4e70dc99bd7485f4a53cbb6b4261bc
[INFO] running `Command { std: "docker" "start" "-a" "e93b2c78bc5a661b376842b848db4f662b4e70dc99bd7485f4a53cbb6b4261bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93b2c78bc5a661b376842b848db4f662b4e70dc99bd7485f4a53cbb6b4261bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93b2c78bc5a661b376842b848db4f662b4e70dc99bd7485f4a53cbb6b4261bc", kill_on_drop: false }`
[INFO] [stdout] e93b2c78bc5a661b376842b848db4f662b4e70dc99bd7485f4a53cbb6b4261bc
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 616e2daf723244f4411b350985afa50d177ed3a349f7a6f69eacb865b3c24dcb
[INFO] running `Command { std: "docker" "start" "-a" "616e2daf723244f4411b350985afa50d177ed3a349f7a6f69eacb865b3c24dcb", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking katas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `contains_duplicate` is never used
[INFO] [stdout]  --> src/neetcode/arrays_and_hashing.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_anagram` is never used
[INFO] [stdout]   --> src/neetcode/arrays_and_hashing.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_anagram_better` is never used
[INFO] [stdout]   --> src/neetcode/arrays_and_hashing.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn is_anagram_better(s: String, t: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/neetcode/arrays_and_hashing.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]  --> src/neetcode/stack.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/neetcode/two_pointers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEXT` is never used
[INFO] [stdout]   --> src/advent_of_code/day_8.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 |     const TEXT: &str = "LLR
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "616e2daf723244f4411b350985afa50d177ed3a349f7a6f69eacb865b3c24dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616e2daf723244f4411b350985afa50d177ed3a349f7a6f69eacb865b3c24dcb", kill_on_drop: false }`
[INFO] [stdout] 616e2daf723244f4411b350985afa50d177ed3a349f7a6f69eacb865b3c24dcb