[INFO] updating cached repository gu18168/leetcode-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gu18168/leetcode-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gu18168/leetcode-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/gu18168/leetcode-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gu18168/leetcode-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gu18168/leetcode-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gu18168/leetcode-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gu18168/leetcode-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f655d6b5a1a78930a57cbb441cdc2d5a354acade
[INFO] sha for GitHub repo gu18168/leetcode-rs: f655d6b5a1a78930a57cbb441cdc2d5a354acade
[INFO] validating manifest of gu18168/leetcode-rs 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 gu18168/leetcode-rs 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 gu18168/leetcode-rs
[INFO] finished frobbing gu18168/leetcode-rs
[INFO] frobbed toml for gu18168/leetcode-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/gu18168/leetcode-rs/Cargo.toml
[INFO] started frobbing gu18168/leetcode-rs
[INFO] finished frobbing gu18168/leetcode-rs
[INFO] frobbed toml for gu18168/leetcode-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gu18168/leetcode-rs/Cargo.toml
[INFO] crate gu18168/leetcode-rs 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 gu18168/leetcode-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gu18168/leetcode-rs:/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] f993c2b962b6f282dd52f62b9799a361c3e8d664c0551f1dec28d216464d1f66
[INFO] running `"docker" "start" "-a" "f993c2b962b6f282dd52f62b9799a361c3e8d664c0551f1dec28d216464d1f66"`
[INFO] [stderr]    Compiling leetcode_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `sub_is_match`
[INFO] [stderr]   --> src/problems/regular_expression_matching.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn sub_is_match(s: &[char], mut l1: usize, p: &[char], mut l2: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "f993c2b962b6f282dd52f62b9799a361c3e8d664c0551f1dec28d216464d1f66"`
[INFO] running `"docker" "rm" "-f" "f993c2b962b6f282dd52f62b9799a361c3e8d664c0551f1dec28d216464d1f66"`
[INFO] [stdout] f993c2b962b6f282dd52f62b9799a361c3e8d664c0551f1dec28d216464d1f66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gu18168/leetcode-rs:/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] 12ff8957e5a9676da7756628ed1f01bd61aa81fcb5141c0376430c205aafebd1
[INFO] running `"docker" "start" "-a" "12ff8957e5a9676da7756628ed1f01bd61aa81fcb5141c0376430c205aafebd1"`
[INFO] [stderr]    Compiling leetcode_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `sub_is_match`
[INFO] [stderr]   --> src/problems/regular_expression_matching.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn sub_is_match(s: &[char], mut l1: usize, p: &[char], mut l2: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "12ff8957e5a9676da7756628ed1f01bd61aa81fcb5141c0376430c205aafebd1"`
[INFO] running `"docker" "rm" "-f" "12ff8957e5a9676da7756628ed1f01bd61aa81fcb5141c0376430c205aafebd1"`
[INFO] [stdout] 12ff8957e5a9676da7756628ed1f01bd61aa81fcb5141c0376430c205aafebd1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gu18168/leetcode-rs:/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] ce0ec30a344cdb20b48781c57ee7c8089c09905128b49fc78dc32e8c119d5485
[INFO] running `"docker" "start" "-a" "ce0ec30a344cdb20b48781c57ee7c8089c09905128b49fc78dc32e8c119d5485"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/leetcode_rs-2c3cc49664b84244
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test problems::three_sum::tests::test_exmaples ... ok
[INFO] [stdout] test problems::regular_expression_matching::tests::test_wrong ... ok
[INFO] [stdout] test problems::letter_combinations_of_a_phone_number::tests::test_examples ... ok
[INFO] [stdout] test problems::container_with_most_water::tests::test_examples ... ok
[INFO] [stdout] test problems::regular_expression_matching::tests::test_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/leetcode_rs-a75664701041cd70
[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] [stderr]    Doc-tests leetcode_rs
[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" "ce0ec30a344cdb20b48781c57ee7c8089c09905128b49fc78dc32e8c119d5485"`
[INFO] running `"docker" "rm" "-f" "ce0ec30a344cdb20b48781c57ee7c8089c09905128b49fc78dc32e8c119d5485"`
[INFO] [stdout] ce0ec30a344cdb20b48781c57ee7c8089c09905128b49fc78dc32e8c119d5485