[INFO] updating cached repository https://github.com/evgeni-nabokov/leetcode-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/evgeni-nabokov/leetcode-rust
[INFO] [stderr]    0317076..ea59db2  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea59db2f2f57351e6c1c14163c4f19ed302a7e55
[INFO] testing evgeni-nabokov/leetcode-rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevgeni-nabokov%2Fleetcode-rust" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evgeni-nabokov/leetcode-rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/evgeni-nabokov/leetcode-rust
[INFO] finished tweaking git repo https://github.com/evgeni-nabokov/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/evgeni-nabokov/leetcode-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/evgeni-nabokov/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 1e632f629a67efd4e6270c1c8dd064af9f22862e94e0dce3a4d78c1461334680
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1e632f629a67efd4e6270c1c8dd064af9f22862e94e0dce3a4d78c1461334680"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "1e632f629a67efd4e6270c1c8dd064af9f22862e94e0dce3a4d78c1461334680"`
[INFO] running `"docker" "rm" "-f" "1e632f629a67efd4e6270c1c8dd064af9f22862e94e0dce3a4d78c1461334680"`
[INFO] [stdout] 1e632f629a67efd4e6270c1c8dd064af9f22862e94e0dce3a4d78c1461334680
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 578b0c53523c479fa8cc1ee948faa65b2ea04eaed364c2d024aed50e1b4de6c4
[INFO] running `"docker" "start" "-a" "578b0c53523c479fa8cc1ee948faa65b2ea04eaed364c2d024aed50e1b4de6c4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `obj` is assigned to, but never used
[INFO] [stderr]   --> src/challenge_2020_06/tests.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut obj = pick_index::Solution::new(vec![1]);
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `obj` is never read
[INFO] [stderr]   --> src/challenge_2020_06/tests.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     obj = pick_index::Solution::new(vec![1, 3]);
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `"docker" "inspect" "578b0c53523c479fa8cc1ee948faa65b2ea04eaed364c2d024aed50e1b4de6c4"`
[INFO] running `"docker" "rm" "-f" "578b0c53523c479fa8cc1ee948faa65b2ea04eaed364c2d024aed50e1b4de6c4"`
[INFO] [stdout] 578b0c53523c479fa8cc1ee948faa65b2ea04eaed364c2d024aed50e1b4de6c4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4554c48dddbdb9222da04273dcb6ea2dcee6b4b3891f4be5ecd727a79bbf6acd
[INFO] running `"docker" "start" "-a" "4554c48dddbdb9222da04273dcb6ea2dcee6b4b3891f4be5ecd727a79bbf6acd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable `obj` is assigned to, but never used
[INFO] [stderr]   --> src/challenge_2020_06/tests.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut obj = pick_index::Solution::new(vec![1]);
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `obj` is never read
[INFO] [stderr]   --> src/challenge_2020_06/tests.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     obj = pick_index::Solution::new(vec![1, 3]);
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode-43593e5230dc4975
[INFO] [stdout] 
[INFO] [stdout] running 100 tests
[INFO] [stdout] test challenge_2020_04::tests::can_jump_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::backspace_compare_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::can_jump_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::apply_backspaces_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::check_valid_string_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::last_stone_weight_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::list_helpers_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::count_elements_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::happy_number_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::longest_common_subsequence ... ok
[INFO] [stdout] test challenge_2020_04::tests::find_max_length_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::group_anagrams_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::group_anagrams_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::find_max_length_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::max_profit_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::maximal_square_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::maximal_square_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::middle_node_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::min_path_sum_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::max_profit_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::max_sub_array_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::max_sub_array_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::min_stack_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::move_zeroes_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::product_except_self_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::move_zeroes_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::range_bitwise_and_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::search_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::single_number_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::product_except_self_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::num_islands_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::num_islands_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::bitwise_complement_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::subarray_sum_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::bitwise_complement_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::subarray_sum_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::single_number_v2_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::subarray_sum_v4_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::subarray_sum_v3_test ... ok
[INFO] [stdout] test challenge_2020_04::tests::string_shift_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::bst_from_preorder_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::can_construct_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::count_bits_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::check_straight_line_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::find_anagrams_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::frequency_sort_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::find_anagrams_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::is_perfect_square_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::can_finish_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::k_closest_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::count_squares_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::find_judge_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::find_judge_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::count_bits_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::k_closest_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::count_bits_v3_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::interval_intersection_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::first_uniq_char_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::frequency_sort_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::bst_from_preorder_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::is_perfect_square_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::flood_fill_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::num_jewels_in_stones_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::can_construct_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::max_uncrossed_lines_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::possible_bipartition_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::max_subarray_sum_circular_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::majority_element_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::remove_kdigits_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::min_distance_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::single_non_duplicate_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::stock_spanner_v2_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::stock_spanner_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::odd_even_list_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::kth_smallest_test ... ok
[INFO] [stdout] test challenge_2020_06::tests::reconstruct_queue_v2_test ... ok
[INFO] [stdout] test challenge_2020_06::tests::pick_index_test ... ok
[INFO] [stdout] test challenge_2020_06::tests::invert_tree_test ... ok
[INFO] [stdout] test challenge_2020_05::tests::trie_test ... ok
[INFO] [stdout] test challenge_2020_06::tests::reconstruct_queue_test ... ok
[INFO] [stdout] test challenge_2020_06::tests::two_city_sched_cost_test ... ok
[INFO] [stdout] test contest_184::tests::num_of_ways_test ... ok
[INFO] [stdout] test contest_187::tests::longest_subarray_test ... ok
[INFO] [stdout] test contest_187::tests::dest_city_test ... ok
[INFO] [stdout] test contest_187::tests::k_length_apart ... ok
[INFO] [stdout] test contest_185::tests::string_matching_test ... ok
[INFO] [stdout] test challenge_2020_06::tests::reverse_string_test ... ok
[INFO] [stdout] test common::tree_node_tests::create_from_level_order_test ... ok
[INFO] [stdout] test contest_184::tests::process_queries_test ... ok
[INFO] [stdout] test contest_184::tests::string_matching_test ... ok
[INFO] [stdout] test contest_186::tests::max_score_test ... ok
[INFO] [stdout] test contest_184::tests::entity_parser_test ... ok
[INFO] [stdout] test contest_185::tests::display_table_test ... ok
[INFO] [stdout] test contest_185::tests::display_table_v2_test ... ok
[INFO] [stdout] test easy::tests::two_sum_test ... ok
[INFO] [stdout] test easy::tests::reverse_test ... ok
[INFO] [stdout] test easy::tests::number_of_steps_test ... ok
[INFO] [stdout] test easy::tests::defang_ip_addr_test ... ok
[INFO] [stdout] test contest_188::tests::build_array_test ... ok
[INFO] [stdout] test medium::tests::three_sum_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 100 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4554c48dddbdb9222da04273dcb6ea2dcee6b4b3891f4be5ecd727a79bbf6acd"`
[INFO] running `"docker" "rm" "-f" "4554c48dddbdb9222da04273dcb6ea2dcee6b4b3891f4be5ecd727a79bbf6acd"`
[INFO] [stdout] 4554c48dddbdb9222da04273dcb6ea2dcee6b4b3891f4be5ecd727a79bbf6acd