[INFO] updating cached repository jeffreylyg/leet_code_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeffreylyg/leet_code_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffreylyg/leet_code_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/leet_code_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/leet_code_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffreylyg/leet_code_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeffreylyg/leet_code_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeffreylyg/leet_code_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f78cf7eca480ffc709ba410a406ab16e84af3b0
[INFO] sha for GitHub repo jeffreylyg/leet_code_rust: 4f78cf7eca480ffc709ba410a406ab16e84af3b0
[INFO] validating manifest of jeffreylyg/leet_code_rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jeffreylyg/leet_code_rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jeffreylyg/leet_code_rust
[INFO] finished frobbing jeffreylyg/leet_code_rust
[INFO] frobbed toml for jeffreylyg/leet_code_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/leet_code_rust/Cargo.toml
[INFO] started frobbing jeffreylyg/leet_code_rust
[INFO] finished frobbing jeffreylyg/leet_code_rust
[INFO] frobbed toml for jeffreylyg/leet_code_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeffreylyg/leet_code_rust/Cargo.toml
[INFO] crate jeffreylyg/leet_code_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jeffreylyg/leet_code_rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/leet_code_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c263460ff8ddd66bb9b5e2fcd4ab9ecf5a1fb2f2779ce02bf0f88289db59cd48
[INFO] running `"docker" "start" "-a" "c263460ff8ddd66bb9b5e2fcd4ab9ecf5a1fb2f2779ce02bf0f88289db59cd48"`
[INFO] [stderr]    Compiling leet_code_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "c263460ff8ddd66bb9b5e2fcd4ab9ecf5a1fb2f2779ce02bf0f88289db59cd48"`
[INFO] running `"docker" "rm" "-f" "c263460ff8ddd66bb9b5e2fcd4ab9ecf5a1fb2f2779ce02bf0f88289db59cd48"`
[INFO] [stdout] c263460ff8ddd66bb9b5e2fcd4ab9ecf5a1fb2f2779ce02bf0f88289db59cd48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/leet_code_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3963476e0f5786322941d557d566a9508a3842498a0500929082c9c6e69f7b31
[INFO] running `"docker" "start" "-a" "3963476e0f5786322941d557d566a9508a3842498a0500929082c9c6e69f7b31"`
[INFO] [stderr]    Compiling leet_code_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "3963476e0f5786322941d557d566a9508a3842498a0500929082c9c6e69f7b31"`
[INFO] running `"docker" "rm" "-f" "3963476e0f5786322941d557d566a9508a3842498a0500929082c9c6e69f7b31"`
[INFO] [stdout] 3963476e0f5786322941d557d566a9508a3842498a0500929082c9c6e69f7b31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/leet_code_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 560cd56e32f003772575bfcd4e0fb9cce6bfd5255d371209bd0e4abd26c463af
[INFO] running `"docker" "start" "-a" "560cd56e32f003772575bfcd4e0fb9cce6bfd5255d371209bd0e4abd26c463af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/leet_code_rust-97fc4d10f67fbb7d
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test lc0033_search_in_rotated_sorted_array::test_search ... ok
[INFO] [stdout] test lc0034_find_first_and_last_position_of_element_in_sorted_array::test_search_range ... ok
[INFO] [stdout] test lc0031_next_permutation::test_next_permutation ... ok
[INFO] [stdout] test lc0016_three_sum_closest::test_three_sum_closest ... ok
[INFO] [stdout] test lc0012_integer_to_roman::test_int_to_roman ... ok
[INFO] [stdout] test lc0005_longest_palindromic_substring::test_longest_palindrome ... ok
[INFO] [stdout] test lc0039_combination_sum::test_combination_sum ... ok
[INFO] [stdout] test lc0040_combination_sum_ii::test_combination_sum2 ... ok
[INFO] [stdout] test lc0003_longest_substring_without_repeating_characters::test_length_of_longest_substring_opt ... ok
[INFO] [stdout] test lc0046_permutations::test_permute ... ok
[INFO] [stdout] test lc0049_group_anagrams::test_group_anagrams ... ok
[INFO] [stdout] test lc0003_longest_substring_without_repeating_characters::test_length_of_longest_substring ... ok
[INFO] [stdout] test lc0048_rotate_image::test_rotate ... ok
[INFO] [stdout] test lc0055_jump_game::test_can_jump ... ok
[INFO] [stdout] test lc0062_unique_paths::test_unique_paths ... ok
[INFO] [stdout] test lc0079_word_search::test_exist ... ok
[INFO] [stdout] test lc0101_symmetric_tree::test_is_symmetric ... ok
[INFO] [stdout] test lc0113_path_sum_ii::test_path_sum_ii ... ok
[INFO] [stdout] test lc0129_sum_root_to_leaf_numbers::test_sum_numbers ... ok
[INFO] [stdout] test lc0136_single_number::test_single_number ... ok
[INFO] [stdout] test lc0189_rotate_array::test_rotate_array ... ok
[INFO] [stdout] test lc0437_path_sum_iii::test_path_sum ... ok
[INFO] [stdout] test lc0709_to_lower_case::test_to_lower_case ... ok
[INFO] [stdout] test lc0876_middle_of_the_linked_list::test_is_palindrome ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "560cd56e32f003772575bfcd4e0fb9cce6bfd5255d371209bd0e4abd26c463af"`
[INFO] running `"docker" "rm" "-f" "560cd56e32f003772575bfcd4e0fb9cce6bfd5255d371209bd0e4abd26c463af"`
[INFO] [stdout] 560cd56e32f003772575bfcd4e0fb9cce6bfd5255d371209bd0e4abd26c463af