[INFO] cloning repository https://github.com/konglinglong/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/konglinglong/LeetCode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonglinglong%2FLeetCode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonglinglong%2FLeetCode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 226882679a87d0a5c18e92896a840f46f15d13c1
[INFO] testing konglinglong/LeetCode-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonglinglong%2FLeetCode-rust" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/konglinglong/LeetCode-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/konglinglong/LeetCode-rust
[INFO] finished tweaking git repo https://github.com/konglinglong/LeetCode-rust
[INFO] tweaked toml for git repo https://github.com/konglinglong/LeetCode-rust written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/konglinglong/LeetCode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa701811bd5920fceb8b53c407e426520aa212908acb697b8bf1cf8472352b0
[INFO] running `Command { std: "docker" "start" "-a" "2fa701811bd5920fceb8b53c407e426520aa212908acb697b8bf1cf8472352b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa701811bd5920fceb8b53c407e426520aa212908acb697b8bf1cf8472352b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa701811bd5920fceb8b53c407e426520aa212908acb697b8bf1cf8472352b0", kill_on_drop: false }`
[INFO] [stdout] 2fa701811bd5920fceb8b53c407e426520aa212908acb697b8bf1cf8472352b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12c61c154eda8a145b3515a61015fb7f60ad151507998aeb0df8efc29957bde
[INFO] running `Command { std: "docker" "start" "-a" "a12c61c154eda8a145b3515a61015fb7f60ad151507998aeb0df8efc29957bde", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leet_code_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `String::split_off` that must be used
[INFO] [stdout]    --> src/my_atoi.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     s.split_off(end_pos);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "a12c61c154eda8a145b3515a61015fb7f60ad151507998aeb0df8efc29957bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12c61c154eda8a145b3515a61015fb7f60ad151507998aeb0df8efc29957bde", kill_on_drop: false }`
[INFO] [stdout] a12c61c154eda8a145b3515a61015fb7f60ad151507998aeb0df8efc29957bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f39e6f81885a240f95e35e33a045c1dfa953a7f193d4fb280c6a0cb70a619bb5
[INFO] running `Command { std: "docker" "start" "-a" "f39e6f81885a240f95e35e33a045c1dfa953a7f193d4fb280c6a0cb70a619bb5", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `String::split_off` that must be used
[INFO] [stdout]    --> src/my_atoi.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     s.split_off(end_pos);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leet_code_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::split_off` that must be used
[INFO] [stdout]    --> src/my_atoi.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     s.split_off(end_pos);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/leet_code_rust-df8e3cd665ddde25)
[INFO] running `Command { std: "docker" "inspect" "f39e6f81885a240f95e35e33a045c1dfa953a7f193d4fb280c6a0cb70a619bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39e6f81885a240f95e35e33a045c1dfa953a7f193d4fb280c6a0cb70a619bb5", kill_on_drop: false }`
[INFO] [stdout] f39e6f81885a240f95e35e33a045c1dfa953a7f193d4fb280c6a0cb70a619bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d16573644df408bcdec1bd49be50a65f02b4f5827e65853c131fed847552ac3
[INFO] running `Command { std: "docker" "start" "-a" "7d16573644df408bcdec1bd49be50a65f02b4f5827e65853c131fed847552ac3", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `String::split_off` that must be used
[INFO] [stderr]    --> src/my_atoi.rs:120:2
[INFO] [stderr]     |
[INFO] [stderr] 120 |     s.split_off(end_pos);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: `leet_code_rust` (lib) generated 1 warning
[INFO] [stderr] warning: `leet_code_rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leet_code_rust-df8e3cd665ddde25)
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test add_two_numbers::test::test_add_two_numbers ... ok
[INFO] [stdout] test climb_stairs::test::test_two_sum2 ... ok
[INFO] [stdout] test compare_version::test::test_compare_version ... ok
[INFO] [stdout] test delete_duplicates::test::test_delete_duplicates ... ok
[INFO] [stdout] test count_and_say::test::test_count_and_say ... ok
[INFO] [stdout] test convert_to_title::test::test_convert_to_title ... ok
[INFO] [stdout] test find_peak_element::test::test_find_peak_element ... ok
[INFO] [stdout] test first_missing_positive::test::test_first_missing_positive ... ok
[INFO] [stdout] test generate::test::test_generate ... ok
[INFO] [stdout] test get_row::test::test_get_row ... ok
[INFO] [stdout] test gray_code::test::test_gray_code ... ok
[INFO] [stdout] test is_palindrome::test::test_is_palindrome ... ok
[INFO] [stdout] test is_power_of_four::test::test_is_power_of_four ... ok
[INFO] [stdout] test is_power_of_three::test::test_is_power_of_three ... ok
[INFO] [stdout] test is_power_of_two::test::test_is_power_of_two ... ok
[INFO] [stdout] test longest_palindrome::test::test_longest_palindrome ... ok
[INFO] [stdout] test majority_element::test::test_majority_element ... ok
[INFO] [stdout] test majority_element_2::test::test_majority_element ... ok
[INFO] [stdout] test max_depth::test::test_max_depth ... ok
[INFO] [stdout] test max_sub_array::test::test_max_sub_array ... ok
[INFO] [stdout] test merge_two_lists::test::test_merge_two_lists ... ok
[INFO] [stdout] test min_stack::test::test_min_stack ... ok
[INFO] [stdout] test multiply::test::test_multiply ... ok
[INFO] [stdout] test my_pow::test::test_my_pow ... ok
[INFO] [stdout] test my_atoi::test::test_my_atoi ... ok
[INFO] [stdout] test plus_one::test::test_aplus_one ... ok
[INFO] [stdout] test remove_element::test::test_remove_element ... ok
[INFO] [stdout] test rotate::test::test_rotate ... ok
[INFO] [stdout] test search_insert::test::test_search_insert ... ok
[INFO] [stdout] test single_number2::test::test_single_number2 ... ok
[INFO] [stdout] test single_number::test::test_single_number ... ok
[INFO] [stdout] test largest_number::test::test_largest_number ... ok
[INFO] [stdout] test title_to_number::test::test_title_to_number ... ok
[INFO] [stdout] test str_str::test::test_str_str ... ok
[INFO] [stdout] test reverse::test::test_reverse ... ok
[INFO] [stdout] test two_sum2::test::test_two_sum2 ... ok
[INFO] [stdout] test two_sum::test::test_tow_sum ... ok
[INFO] [stdout] test trailing_zeroes::test::test_trailing_zeroes ... ok
[INFO] [stdout] test tribonacci::test::test_tribonacci ... ok
[INFO] [stdout] test to_lower_case::test::test_to_lower_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leet_code_rust
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test src/add_two_numbers.rs - add_two_numbers::ListNode (line 1) ... ignored
[INFO] [stdout] test src/climb_stairs.rs - climb_stairs::climb_stairs (line 1) ... ignored
[INFO] [stdout] test src/convert_to_title.rs - convert_to_title::HashMap (line 1) ... ignored
[INFO] [stdout] test src/count_and_say.rs - count_and_say::HashMap (line 1) ... ignored
[INFO] [stdout] test src/delete_duplicates.rs - delete_duplicates::ListNode (line 1) ... ignored
[INFO] [stdout] test src/first_missing_positive.rs - first_missing_positive::first_missing_positive (line 1) ... ignored
[INFO] [stdout] test src/generate.rs - generate::generate (line 1) ... ignored
[INFO] [stdout] test src/get_row.rs - get_row::get_row (line 1) ... ignored
[INFO] [stdout] test src/gray_code.rs - gray_code::gray_code (line 1) ... ignored
[INFO] [stdout] test src/is_palindrome.rs - is_palindrome::is_palindrome (line 1) ... ignored
[INFO] [stdout] test src/is_power_of_four.rs - is_power_of_four::is_power_of_four (line 1) ... ignored
[INFO] [stdout] test src/is_power_of_three.rs - is_power_of_three::is_power_of_three (line 1) ... ignored
[INFO] [stdout] test src/is_power_of_two.rs - is_power_of_two::is_power_of_two (line 1) ... ignored
[INFO] [stdout] test src/longest_palindrome.rs - longest_palindrome::longest_palindrome (line 1) ... ignored
[INFO] [stdout] test src/max_depth.rs - max_depth::TreeNode (line 1) ... ignored
[INFO] [stdout] test src/max_sub_array.rs - max_sub_array::max_sub_array (line 1) ... ignored
[INFO] [stdout] test src/merge_two_lists.rs - merge_two_lists::ListNode (line 1) ... ignored
[INFO] [stdout] test src/multiply.rs - multiply::multiply (line 1) ... ignored
[INFO] [stdout] test src/my_pow.rs - my_pow::my_pow (line 1) ... ignored
[INFO] [stdout] test src/plus_one.rs - plus_one::plus_one (line 1) ... ignored
[INFO] [stdout] test src/remove_element.rs - remove_element::remove_element (line 1) ... ignored
[INFO] [stdout] test src/rotate.rs - rotate::rotate (line 1) ... ignored
[INFO] [stdout] test src/single_number.rs - single_number::single_number (line 1) ... ignored
[INFO] [stdout] test src/single_number2.rs - single_number2::single_number2 (line 1) ... ignored
[INFO] [stdout] test src/str_str.rs - str_str::str_str (line 1) ... ignored
[INFO] [stdout] test src/title_to_number.rs - title_to_number::title_to_number (line 1) ... ignored
[INFO] [stdout] test src/to_lower_case.rs - to_lower_case::to_lower_case (line 1) ... ignored
[INFO] [stdout] test src/trailing_zeroes.rs - trailing_zeroes::trailing_zeroes (line 1) ... ignored
[INFO] [stdout] test src/tribonacci.rs - tribonacci::tribonacci (line 1) ... ignored
[INFO] [stdout] test src/two_sum2.rs - two_sum2::two_sum2 (line 1) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 30 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d16573644df408bcdec1bd49be50a65f02b4f5827e65853c131fed847552ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d16573644df408bcdec1bd49be50a65f02b4f5827e65853c131fed847552ac3", kill_on_drop: false }`
[INFO] [stdout] 7d16573644df408bcdec1bd49be50a65f02b4f5827e65853c131fed847552ac3