[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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/gu18168/leetcode-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/gu18168/leetcode-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gu18168/leetcode-rs" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/gu18168/leetcode-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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 master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gu18168/leetcode-rs on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gu18168/leetcode-rs against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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=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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e3c811627391132a6f004cc6a64e107290e90f29cb30ea94e42289aa4c62c9d5
[INFO] running `"docker" "start" "-a" "e3c811627391132a6f004cc6a64e107290e90f29cb30ea94e42289aa4c62c9d5"`
[INFO] [stderr]     Checking 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] 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 1.78s
[INFO] running `"docker" "inspect" "e3c811627391132a6f004cc6a64e107290e90f29cb30ea94e42289aa4c62c9d5"`
[INFO] running `"docker" "rm" "-f" "e3c811627391132a6f004cc6a64e107290e90f29cb30ea94e42289aa4c62c9d5"`
[INFO] [stdout] e3c811627391132a6f004cc6a64e107290e90f29cb30ea94e42289aa4c62c9d5