[INFO] updating cached repository u2/leetcode-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/u2/leetcode-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/u2/leetcode-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/u2/leetcode-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/u2/leetcode-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/u2/leetcode-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/u2/leetcode-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/u2/leetcode-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23722bdf01b8f3a080af49de576ff52ccbc1c27a
[INFO] sha for GitHub repo u2/leetcode-rust: 23722bdf01b8f3a080af49de576ff52ccbc1c27a
[INFO] validating manifest of u2/leetcode-rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of u2/leetcode-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing u2/leetcode-rust
[INFO] finished frobbing u2/leetcode-rust
[INFO] frobbed toml for u2/leetcode-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/u2/leetcode-rust/Cargo.toml
[INFO] started frobbing u2/leetcode-rust
[INFO] finished frobbing u2/leetcode-rust
[INFO] frobbed toml for u2/leetcode-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/u2/leetcode-rust/Cargo.toml
[INFO] crate u2/leetcode-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing u2/leetcode-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/u2/leetcode-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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] c8dd2637bd0119a59cadd73966cf0c7463c5c0a63c464b9ec47c5b7519a5d1c2
[INFO] running `"docker" "start" "-a" "c8dd2637bd0119a59cadd73966cf0c7463c5c0a63c464b9ec47c5b7519a5d1c2"`
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/find_median_sorted_arrays.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             j - 1;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `"docker" "inspect" "c8dd2637bd0119a59cadd73966cf0c7463c5c0a63c464b9ec47c5b7519a5d1c2"`
[INFO] running `"docker" "rm" "-f" "c8dd2637bd0119a59cadd73966cf0c7463c5c0a63c464b9ec47c5b7519a5d1c2"`
[INFO] [stdout] c8dd2637bd0119a59cadd73966cf0c7463c5c0a63c464b9ec47c5b7519a5d1c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/u2/leetcode-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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 94adcf05762ee26b7fe6196ca2ba556a79ff86f6798bba239b57927a674fe3a6
[INFO] running `"docker" "start" "-a" "94adcf05762ee26b7fe6196ca2ba556a79ff86f6798bba239b57927a674fe3a6"`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/find_median_sorted_arrays.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             j - 1;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "94adcf05762ee26b7fe6196ca2ba556a79ff86f6798bba239b57927a674fe3a6"`
[INFO] running `"docker" "rm" "-f" "94adcf05762ee26b7fe6196ca2ba556a79ff86f6798bba239b57927a674fe3a6"`
[INFO] [stdout] 94adcf05762ee26b7fe6196ca2ba556a79ff86f6798bba239b57927a674fe3a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/u2/leetcode-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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 5c4fc438c5c7405a71c956f58224715e30948039a719a458816789fd0d546a54
[INFO] running `"docker" "start" "-a" "5c4fc438c5c7405a71c956f58224715e30948039a719a458816789fd0d546a54"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/leetcode-658632ee3b7693e3
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test find_median_sorted_arrays::test::test_find_median_sorted_arrays ... ok
[INFO] [stdout] test atoi::test::test_atoi ... ok
[INFO] [stdout] test length_of_longest_substring::test::test_length_of_longest_substring ... ok
[INFO] [stdout] test length_of_longest_substring::test::bench_length_of_longest_substring ... ok
[INFO] [stdout] test longest_palindrome::test::test_is_palindrome ... ok
[INFO] [stdout] test length_of_longest_substring::test::bench_approach_two ... ok
[INFO] [stdout] test length_of_longest_substring::test::test_approach_two ... ok
[INFO] [stdout] test add_two_numbers::test::test_add_two_numbers ... ok
[INFO] [stdout] test longest_palindrome::test::test_find_longest_palindrome ... ok
[INFO] [stdout] test longest_palindrome::test::test_longest_palindrome ... ok
[INFO] [stdout] test palindrome_number::test::test_palindrome_number ... ok
[INFO] [stdout] test reverse_integer::test::test_reverse_integer ... ok
[INFO] [stdout] test two_sum::test::bench_two_sum_approach_two ... ok
[INFO] [stdout] test two_sum::test::test_two_sum_approach_two ... ok
[INFO] [stdout] test zigzag_conversion::test::test_zigzag_conversion ... ok
[INFO] [stdout] test regular_expression_matching::test::test_regular_expression_matching ... ok
[INFO] [stdout] test two_sum::test::bench_two_sum ... ok
[INFO] [stdout] test two_sum::test::test_two_sum ... ok
[INFO] [stdout] test longest_palindrome::test::bench_longest_palindrome ... ok
[INFO] [stdout] test longest_palindrome::test::bench_find_longest_palindrome ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5c4fc438c5c7405a71c956f58224715e30948039a719a458816789fd0d546a54"`
[INFO] running `"docker" "rm" "-f" "5c4fc438c5c7405a71c956f58224715e30948039a719a458816789fd0d546a54"`
[INFO] [stdout] 5c4fc438c5c7405a71c956f58224715e30948039a719a458816789fd0d546a54