[INFO] cloning repository https://github.com/BogdanFloris/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/BogdanFloris/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBogdanFloris%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBogdanFloris%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1419f9de1b86c3b5dd8b74ca40652f745c6c1f55
[INFO] testing BogdanFloris/leetcode-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBogdanFloris%2Fleetcode-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BogdanFloris/leetcode-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BogdanFloris/leetcode-rust
[INFO] finished tweaking git repo https://github.com/BogdanFloris/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/BogdanFloris/leetcode-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/BogdanFloris/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77ed1c5288ed3604ab4d3e7811fcdf88fb25154168d0ae980d3b93bb289b727d
[INFO] running `Command { std: "docker" "start" "-a" "77ed1c5288ed3604ab4d3e7811fcdf88fb25154168d0ae980d3b93bb289b727d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77ed1c5288ed3604ab4d3e7811fcdf88fb25154168d0ae980d3b93bb289b727d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ed1c5288ed3604ab4d3e7811fcdf88fb25154168d0ae980d3b93bb289b727d", kill_on_drop: false }`
[INFO] [stdout] 77ed1c5288ed3604ab4d3e7811fcdf88fb25154168d0ae980d3b93bb289b727d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba21da76c9a4a59eda1802dc48eb89b99b5209f46dc062a49754f4b50f0b6b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ba21da76c9a4a59eda1802dc48eb89b99b5209f46dc062a49754f4b50f0b6b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "4ba21da76c9a4a59eda1802dc48eb89b99b5209f46dc062a49754f4b50f0b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba21da76c9a4a59eda1802dc48eb89b99b5209f46dc062a49754f4b50f0b6b9", kill_on_drop: false }`
[INFO] [stdout] 4ba21da76c9a4a59eda1802dc48eb89b99b5209f46dc062a49754f4b50f0b6b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac5a7b5e9611d90dbf1f1b3fbb6fb394435b2e516992ffb382cceb9c9f68f16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dac5a7b5e9611d90dbf1f1b3fbb6fb394435b2e516992ffb382cceb9c9f68f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "dac5a7b5e9611d90dbf1f1b3fbb6fb394435b2e516992ffb382cceb9c9f68f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac5a7b5e9611d90dbf1f1b3fbb6fb394435b2e516992ffb382cceb9c9f68f16", kill_on_drop: false }`
[INFO] [stdout] dac5a7b5e9611d90dbf1f1b3fbb6fb394435b2e516992ffb382cceb9c9f68f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e5b3a4a6fae876efab46adf6a3cdde595eed2cc615fe3f1e1be8c34a9cad96c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e5b3a4a6fae876efab46adf6a3cdde595eed2cc615fe3f1e1be8c34a9cad96c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 77 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode_rust-bfab5db1924b07f6
[INFO] [stdout] test best_time_to_buy_and_sell_stock::tests::basic_1 ... ok
[INFO] [stdout] test climbing_stairs::tests::basic_1 ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock::tests::basic_2 ... ok
[INFO] [stdout] test excel_sheet_column_number::tests::basic_3 ... ok
[INFO] [stdout] test find_duplicate::tests::basic_1 ... ok
[INFO] [stdout] test contains_duplicate::tests::basic_2 ... ok
[INFO] [stdout] test first_unique_char::tests::basic_2 ... ok
[INFO] [stdout] test first_unique_char::tests::basic_3 ... ok
[INFO] [stdout] test fizz_buzz::tests::basic ... ok
[INFO] [stdout] test four_sum::tests::basic ... ok
[INFO] [stdout] test happy_number::tests::basic ... ok
[INFO] [stdout] test excel_sheet_column_number::tests::basic_1 ... ok
[INFO] [stdout] test find_duplicate::tests::basic_2 ... ok
[INFO] [stdout] test house_robber::tests::basic_1 ... ok
[INFO] [stdout] test intersection_two_arrays::tests::basic_1 ... ok
[INFO] [stdout] test house_robber::tests::basic_2 ... ok
[INFO] [stdout] test house_robber::tests::basic_3 ... ok
[INFO] [stdout] test contains_duplicate::tests::basic_3 ... ok
[INFO] [stdout] test majority_element::tests::basic_1 ... ok
[INFO] [stdout] test intersection_two_arrays::tests::basic_2 ... ok
[INFO] [stdout] test majority_element::tests::basic_2 ... ok
[INFO] [stdout] test max_profit::tests::basic_3 ... ok
[INFO] [stdout] test max_depth_binary_tree::tests::basic ... ok
[INFO] [stdout] test maximum_subarray::tests::basic ... ok
[INFO] [stdout] test contains_duplicate::tests::basic_1 ... ok
[INFO] [stdout] test merge_two_sorted_lists::tests::basic ... ok
[INFO] [stdout] test max_profit::tests::basic_1 ... ok
[INFO] [stdout] test missing_number::tests::basic_1 ... ok
[INFO] [stdout] test max_profit::tests::basic_2 ... ok
[INFO] [stdout] test palindrome_linked_list::tests::basic_1 ... ok
[INFO] [stdout] test merge_sorted_array::tests::basic ... ok
[INFO] [stdout] test palindrome_linked_list::tests::basic_2 ... ok
[INFO] [stdout] test min_stack::tests::example ... ok
[INFO] [stdout] test missing_number::tests::basic_2 ... ok
[INFO] [stdout] test pascal_triangle::tests::basic ... ok
[INFO] [stdout] test move_zeros::tests::basic ... ok
[INFO] [stdout] test permutations::tests::basic ... ok
[INFO] [stdout] test plus_one::tests::basic_4 ... ok
[INFO] [stdout] test plus_one::tests::basic_2 ... ok
[INFO] [stdout] test power_of_three::tests::basic_1 ... ok
[INFO] [stdout] test plus_one::tests::basic_3 ... ok
[INFO] [stdout] test power_of_three::tests::basic_4 ... ok
[INFO] [stdout] test power_of_three::tests::basic_2 ... ok
[INFO] [stdout] test remove_duplicates::tests::basic_1 ... ok
[INFO] [stdout] test power_of_three::tests::basic_3 ... ok
[INFO] [stdout] test remove_duplicates::tests::basic_2 ... ok
[INFO] [stdout] test remove_duplicates::tests::basic_3 ... ok
[INFO] [stdout] test reverse_string::tests::basic ... ok
[INFO] [stdout] test roman_to_int::tests::basic_2 ... ok
[INFO] [stdout] test roman_to_int::tests::basic_4 ... ok
[INFO] [stdout] test roman_to_int::tests::basic_3 ... ok
[INFO] [stdout] test single_number::tests::basic_1 ... ok
[INFO] [stdout] test reverse_linked_list::tests::basic ... ok
[INFO] [stdout] test shuffle_array::tests::basic ... ok
[INFO] [stdout] test roman_to_int::tests::basic_1 ... ok
[INFO] [stdout] test roman_to_int::tests::basic_5 ... ok
[INFO] [stdout] test symmetric_tree::tests::basic_1 ... ok
[INFO] [stdout] test trailing_zeros::tests::basic_1 ... ok
[INFO] [stdout] test valid_anagram::tests::basic_2 ... ok
[INFO] [stdout] test valid_parentheses::tests::basic_1 ... ok
[INFO] [stdout] test valid_parentheses::tests::basic_2 ... ok
[INFO] [stdout] test valid_parentheses::tests::basic_3 ... ok
[INFO] [stdout] test valid_parentheses::tests::basic_4 ... ok
[INFO] [stdout] test valid_parentheses::tests::basic_5 ... ok
[INFO] [stdout] test single_number::tests::basic_2 ... ok
[INFO] [stdout] test sorted_array_to_bst::tests::basic ... ok
[INFO] [stdout] test sum_of_two_integers::tests::basic_1 ... ok
[INFO] [stdout] test sum_of_two_integers::tests::basic_2 ... ok
[INFO] [stdout] test sum_of_two_integers::tests::basic_3 ... ok
[INFO] [stdout] test valid_anagram::tests::basic_1 ... ok
[INFO] [stdout] test excel_sheet_column_number::tests::basic_2 ... ok
[INFO] [stdout] test trailing_zeros::tests::basic_2 ... ok
[INFO] [stdout] test first_unique_char::tests::basic_1 ... ok
[INFO] [stdout] test symmetric_tree::tests::basic_2 ... ok
[INFO] [stdout] test two_sum::tests::basic ... ok
[INFO] [stdout] test climbing_stairs::tests::basic_2 ... ok
[INFO] [stdout] test plus_one::tests::basic_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 77 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode-rust
[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] running `Command { std: "docker" "inspect" "3e5b3a4a6fae876efab46adf6a3cdde595eed2cc615fe3f1e1be8c34a9cad96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5b3a4a6fae876efab46adf6a3cdde595eed2cc615fe3f1e1be8c34a9cad96c", kill_on_drop: false }`
[INFO] [stdout] 3e5b3a4a6fae876efab46adf6a3cdde595eed2cc615fe3f1e1be8c34a9cad96c