[INFO] updating cached repository https://github.com/FUTingFei/algo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/FUTingFei/algo
[INFO] [stderr]    dc47969..069bed4  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 069bed4fe498a7a5c979a629678b58021cd539b1
[INFO] checking FUTingFei/algo against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFUTingFei%2Falgo" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FUTingFei/algo on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FUTingFei/algo
[INFO] finished tweaking git repo https://github.com/FUTingFei/algo
[INFO] tweaked toml for git repo https://github.com/FUTingFei/algo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/FUTingFei/algo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee561ad3007cb9635d4301a2374813d3edda7b5ce242531fb3d3126913c77491
[INFO] running `"docker" "start" "-a" "ee561ad3007cb9635d4301a2374813d3edda7b5ce242531fb3d3126913c77491"`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling leetcode_test v0.1.1
[INFO] [stderr]     Checking leetcode_prelude v0.2.2
[INFO] [stderr]     Checking algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected `{`, found `}`
[INFO] [stderr]   --> src/interview/i12exist.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 if board[i][j]
[INFO] [stderr]    |                 -- this `if` expression has a condition, but no block
[INFO] [stderr] 37 |             }
[INFO] [stderr]    |             ^ expected `{`
[INFO] [stderr] 
[INFO] [stderr] error: expected `{`, found `}`
[INFO] [stderr]   --> src/interview/i12exist.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 if board[i][j]
[INFO] [stderr]    |                 -- this `if` expression has a condition, but no block
[INFO] [stderr] 37 |             }
[INFO] [stderr]    |             ^ expected `{`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/n1002common_chars.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::linkedlist`
[INFO] [stderr]  --> src/n206reverse_list.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use leetcode_prelude::linkedlist;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/n392is_subsequence.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::linkedlist`
[INFO] [stderr]  --> src/n876middle_node.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use leetcode_prelude::linkedlist;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n100is_same_tree.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n107level_order_bottom.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n108sorted_array_to_bst.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n110is_balanced.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n111min_depth.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n112has_path_sum.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::linkedlist`
[INFO] [stderr]  --> src/n002add_two_numbers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use leetcode_prelude::linkedlist;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n226invert_tree.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n257binary_tree_paths.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/n401read_binary_watch.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n404sum_of_left_leaves.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/n437path_sum.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `leetcode_prelude::btree`
[INFO] [stderr]  --> src/interview/i07build_tree.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use leetcode_prelude::btree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/n392is_subsequence.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 return false;
[INFO] [stderr]    |                 ------------ any code following this expression is unreachable
[INFO] [stderr] 17 |                 break;
[INFO] [stderr]    |                 ^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `algo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/n392is_subsequence.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 return false;
[INFO] [stderr]    |                 ------------ any code following this expression is unreachable
[INFO] [stderr] 17 |                 break;
[INFO] [stderr]    |                 ^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `algo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ee561ad3007cb9635d4301a2374813d3edda7b5ce242531fb3d3126913c77491"`
[INFO] running `"docker" "rm" "-f" "ee561ad3007cb9635d4301a2374813d3edda7b5ce242531fb3d3126913c77491"`
[INFO] [stdout] ee561ad3007cb9635d4301a2374813d3edda7b5ce242531fb3d3126913c77491
