Dec 12 23:01:56.844 INFO testing u2/leetcode-rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 23:01:56.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 23:01:57.062 INFO [stdout] 818c929401f4e1a48ea404bea40b126845c646b02966b64e48c0f4870ef0b8c9
Dec 12 23:01:57.064 INFO running `"docker" "start" "-a" "818c929401f4e1a48ea404bea40b126845c646b02966b64e48c0f4870ef0b8c9"`
Dec 12 23:01:58.148 INFO [stderr] usermod: no changes
Dec 12 23:01:58.249 INFO [stderr]    Compiling leetcode v0.1.0 (/source)
Dec 12 23:01:58.539 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 23:01:58.539 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 12 23:01:58.539 INFO [stderr]    |
Dec 12 23:01:58.539 INFO [stderr] 42 |             j - 1;
Dec 12 23:01:58.539 INFO [stderr]    |             ^^^^^
Dec 12 23:01:58.539 INFO [stderr]    |
Dec 12 23:01:58.539 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 23:01:58.539 INFO [stderr] 
Dec 12 23:01:59.070 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 12 23:01:59.071 INFO [stderr] su: No module specific data is present
Dec 12 23:01:59.410 INFO running `"docker" "inspect" "818c929401f4e1a48ea404bea40b126845c646b02966b64e48c0f4870ef0b8c9"`
Dec 12 23:01:59.484 INFO running `"docker" "rm" "-f" "818c929401f4e1a48ea404bea40b126845c646b02966b64e48c0f4870ef0b8c9"`
Dec 12 23:01:59.624 INFO [stdout] 818c929401f4e1a48ea404bea40b126845c646b02966b64e48c0f4870ef0b8c9
Dec 12 23:01:59.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 23:01:59.944 INFO [stdout] 4042e864d15e71699d9d1848189267743bde951f81d217b7f62745a7b5cfd275
Dec 12 23:01:59.944 INFO running `"docker" "start" "-a" "4042e864d15e71699d9d1848189267743bde951f81d217b7f62745a7b5cfd275"`
Dec 12 23:02:00.447 INFO [stderr] usermod: no changes
Dec 12 23:02:00.447 INFO [stderr]    Compiling leetcode v0.1.0 (/source)
Dec 12 23:02:01.258 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 23:02:01.258 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 12 23:02:01.258 INFO [stderr]    |
Dec 12 23:02:01.258 INFO [stderr] 42 |             j - 1;
Dec 12 23:02:01.258 INFO [stderr]    |             ^^^^^
Dec 12 23:02:01.258 INFO [stderr]    |
Dec 12 23:02:01.258 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 23:02:01.258 INFO [stderr] 
Dec 12 23:02:02.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Dec 12 23:02:02.799 INFO [stderr] su: No module specific data is present
Dec 12 23:02:03.146 INFO running `"docker" "inspect" "4042e864d15e71699d9d1848189267743bde951f81d217b7f62745a7b5cfd275"`
Dec 12 23:02:03.211 INFO running `"docker" "rm" "-f" "4042e864d15e71699d9d1848189267743bde951f81d217b7f62745a7b5cfd275"`
Dec 12 23:02:03.279 INFO [stdout] 4042e864d15e71699d9d1848189267743bde951f81d217b7f62745a7b5cfd275
Dec 12 23:02:03.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 23:02:03.459 INFO [stdout] f0719cf2bd37eb1630d1496865fbab97f4398d709c52aedf14fc1873228384ba
Dec 12 23:02:03.465 INFO running `"docker" "start" "-a" "f0719cf2bd37eb1630d1496865fbab97f4398d709c52aedf14fc1873228384ba"`
Dec 12 23:02:03.878 INFO [stderr] usermod: no changes
Dec 12 23:02:03.946 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 12 23:02:03.955 INFO [stderr]      Running /target/debug/deps/leetcode-129eff584f78b6d1
Dec 12 23:02:03.962 INFO [stdout] 
Dec 12 23:02:03.963 INFO [stdout] running 20 tests
Dec 12 23:02:03.963 INFO [stdout] test find_median_sorted_arrays::test::test_find_median_sorted_arrays ... ok
Dec 12 23:02:03.963 INFO [stdout] test atoi::test::test_atoi ... ok
Dec 12 23:02:03.963 INFO [stdout] test length_of_longest_substring::test::test_length_of_longest_substring ... ok
Dec 12 23:02:03.982 INFO [stdout] test length_of_longest_substring::test::bench_approach_two ... ok
Dec 12 23:02:03.983 INFO [stdout] test length_of_longest_substring::test::test_approach_two ... ok
Dec 12 23:02:03.983 INFO [stdout] test add_two_numbers::test::test_add_two_numbers ... ok
Dec 12 23:02:03.983 INFO [stdout] test length_of_longest_substring::test::bench_length_of_longest_substring ... ok
Dec 12 23:02:03.983 INFO [stdout] test longest_palindrome::test::test_longest_palindrome ... ok
Dec 12 23:02:03.983 INFO [stdout] test longest_palindrome::test::test_is_palindrome ... ok
Dec 12 23:02:03.983 INFO [stdout] test longest_palindrome::test::test_find_longest_palindrome ... ok
Dec 12 23:02:03.995 INFO [stdout] test reverse_integer::test::test_reverse_integer ... ok
Dec 12 23:02:04.003 INFO [stdout] test palindrome_number::test::test_palindrome_number ... ok
Dec 12 23:02:04.003 INFO [stdout] test two_sum::test::bench_two_sum_approach_two ... ok
Dec 12 23:02:04.011 INFO [stdout] test two_sum::test::test_two_sum_approach_two ... ok
Dec 12 23:02:04.011 INFO [stdout] test regular_expression_matching::test::test_regular_expression_matching ... ok
Dec 12 23:02:04.017 INFO [stdout] test zigzag_conversion::test::test_zigzag_conversion ... ok
Dec 12 23:02:04.121 INFO [stdout] test two_sum::test::bench_two_sum ... ok
Dec 12 23:02:04.121 INFO [stdout] test two_sum::test::test_two_sum ... ok
Dec 12 23:02:06.304 INFO [stdout] test longest_palindrome::test::bench_longest_palindrome ... ok
Dec 12 23:02:06.549 INFO [stdout] test longest_palindrome::test::bench_find_longest_palindrome ... ok
Dec 12 23:02:06.549 INFO [stdout] 
Dec 12 23:02:06.549 INFO [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 23:02:06.549 INFO [stdout] 
Dec 12 23:02:06.549 INFO [stderr]    Doc-tests leetcode
Dec 12 23:02:06.873 INFO [stdout] 
Dec 12 23:02:06.873 INFO [stdout] running 0 tests
Dec 12 23:02:06.873 INFO [stdout] 
Dec 12 23:02:06.873 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 23:02:06.873 INFO [stdout] 
Dec 12 23:02:06.891 INFO [stderr] su: No module specific data is present
Dec 12 23:02:07.526 INFO running `"docker" "inspect" "f0719cf2bd37eb1630d1496865fbab97f4398d709c52aedf14fc1873228384ba"`
Dec 12 23:02:07.809 INFO running `"docker" "rm" "-f" "f0719cf2bd37eb1630d1496865fbab97f4398d709c52aedf14fc1873228384ba"`
Dec 12 23:02:08.147 INFO [stdout] f0719cf2bd37eb1630d1496865fbab97f4398d709c52aedf14fc1873228384ba