[INFO] cloning repository https://github.com/YutaoMa/rust-leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YutaoMa/rust-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYutaoMa%2Frust-leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYutaoMa%2Frust-leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a701285c2340394ed937ee25d1c2b6c252fd00e
[INFO] testing YutaoMa/rust-leetcode against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYutaoMa%2Frust-leetcode" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YutaoMa/rust-leetcode on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YutaoMa/rust-leetcode
[INFO] finished tweaking git repo https://github.com/YutaoMa/rust-leetcode
[INFO] tweaked toml for git repo https://github.com/YutaoMa/rust-leetcode written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YutaoMa/rust-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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5a40b61351d525c3f51f409e000eae13178bd2a599e19557f9720b243025fb3
[INFO] running `Command { std: "docker" "start" "-a" "c5a40b61351d525c3f51f409e000eae13178bd2a599e19557f9720b243025fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5a40b61351d525c3f51f409e000eae13178bd2a599e19557f9720b243025fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a40b61351d525c3f51f409e000eae13178bd2a599e19557f9720b243025fb3", kill_on_drop: false }`
[INFO] [stdout] c5a40b61351d525c3f51f409e000eae13178bd2a599e19557f9720b243025fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a2e4256748f318d638484f86f1180e8fe2f2bcac6c2181da65c9a13c1a243e
[INFO] running `Command { std: "docker" "start" "-a" "33a2e4256748f318d638484f86f1180e8fe2f2bcac6c2181da65c9a13c1a243e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lc_105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:34:68
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let root_index = inorder.iter().enumerate().find(|(index, val)| &root == val).unwrap().0;
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "33a2e4256748f318d638484f86f1180e8fe2f2bcac6c2181da65c9a13c1a243e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a2e4256748f318d638484f86f1180e8fe2f2bcac6c2181da65c9a13c1a243e", kill_on_drop: false }`
[INFO] [stdout] 33a2e4256748f318d638484f86f1180e8fe2f2bcac6c2181da65c9a13c1a243e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d88ffc7758ca4efb7cdf2e6139c9c5205c264e0f51f356393beac21ca27c71
[INFO] running `Command { std: "docker" "start" "-a" "19d88ffc7758ca4efb7cdf2e6139c9c5205c264e0f51f356393beac21ca27c71", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lc_105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:34:68
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let root_index = inorder.iter().enumerate().find(|(index, val)| &root == val).unwrap().0;
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lc_105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:34:68
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let root_index = inorder.iter().enumerate().find(|(index, val)| &root == val).unwrap().0;
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "19d88ffc7758ca4efb7cdf2e6139c9c5205c264e0f51f356393beac21ca27c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d88ffc7758ca4efb7cdf2e6139c9c5205c264e0f51f356393beac21ca27c71", kill_on_drop: false }`
[INFO] [stdout] 19d88ffc7758ca4efb7cdf2e6139c9c5205c264e0f51f356393beac21ca27c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb9cedf3e5c40c98f9b8a47762a0eb4ccbeb014baa00aec25f30b300943ae04d
[INFO] running `Command { std: "docker" "start" "-a" "bb9cedf3e5c40c98f9b8a47762a0eb4ccbeb014baa00aec25f30b300943ae04d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/lc_105_construct_binary_tree_from_preorder_and_inorder_traversal.rs:34:68
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let root_index = inorder.iter().enumerate().find(|(index, val)| &root == val).unwrap().0;
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-leetcode` (lib) generated 1 warning (run `cargo fix --lib -p rust-leetcode` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-leetcode` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_leetcode-4fc5717f5c178425)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-leetcode
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lc_374_guess_number_higher_or_lower.rs - lc_374_guess_number_higher_or_lower::Solution (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lc_374_guess_number_higher_or_lower.rs - lc_374_guess_number_higher_or_lower::Solution (line 12) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `if`
[INFO] [stdout]  --> src/lc_374_guess_number_higher_or_lower.rs:13:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | 1 if num is lower than the picked number
[INFO] [stdout]   |   ^^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lc_374_guess_number_higher_or_lower.rs - lc_374_guess_number_higher_or_lower::Solution (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bb9cedf3e5c40c98f9b8a47762a0eb4ccbeb014baa00aec25f30b300943ae04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9cedf3e5c40c98f9b8a47762a0eb4ccbeb014baa00aec25f30b300943ae04d", kill_on_drop: false }`
[INFO] [stdout] bb9cedf3e5c40c98f9b8a47762a0eb4ccbeb014baa00aec25f30b300943ae04d
