[INFO] cloning repository https://github.com/zea7ot/leetcode_solutions_rust_zea7ot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zea7ot/leetcode_solutions_rust_zea7ot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzea7ot%2Fleetcode_solutions_rust_zea7ot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzea7ot%2Fleetcode_solutions_rust_zea7ot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98b1245b41abc89c2727145bb5c41774b003013b
[INFO] testing zea7ot/leetcode_solutions_rust_zea7ot against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzea7ot%2Fleetcode_solutions_rust_zea7ot" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot
[INFO] finished tweaking git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot
[INFO] tweaked toml for git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/zea7ot/leetcode_solutions_rust_zea7ot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1efefe15a8905b4f3e9f468a927c3db8d155c157a57cbe68891ebae2328781
[INFO] running `Command { std: "docker" "start" "-a" "5d1efefe15a8905b4f3e9f468a927c3db8d155c157a57cbe68891ebae2328781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1efefe15a8905b4f3e9f468a927c3db8d155c157a57cbe68891ebae2328781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1efefe15a8905b4f3e9f468a927c3db8d155c157a57cbe68891ebae2328781", kill_on_drop: false }`
[INFO] [stdout] 5d1efefe15a8905b4f3e9f468a927c3db8d155c157a57cbe68891ebae2328781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d7be61520cc84a6a29b253798f1cdd0eb4ac815596acbb7be75ec9b264fb9a4
[INFO] running `Command { std: "docker" "start" "-a" "9d7be61520cc84a6a29b253798f1cdd0eb4ac815596acbb7be75ec9b264fb9a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leetcode_solutions_rust_an7one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/leetcode/lvl4/lc0968/soln_0_postorder_recursive.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "9d7be61520cc84a6a29b253798f1cdd0eb4ac815596acbb7be75ec9b264fb9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7be61520cc84a6a29b253798f1cdd0eb4ac815596acbb7be75ec9b264fb9a4", kill_on_drop: false }`
[INFO] [stdout] 9d7be61520cc84a6a29b253798f1cdd0eb4ac815596acbb7be75ec9b264fb9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e622062730c9fe7c9887274afef7b62d0b3b6a9d7d41be7c758cb2999b4842a4
[INFO] running `Command { std: "docker" "start" "-a" "e622062730c9fe7c9887274afef7b62d0b3b6a9d7d41be7c758cb2999b4842a4", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/leetcode/lvl4/lc0968/soln_0_postorder_recursive.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode_solutions_rust_an7one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/leetcode/lvl4/lc0968/soln_0_postorder_recursive.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "e622062730c9fe7c9887274afef7b62d0b3b6a9d7d41be7c758cb2999b4842a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e622062730c9fe7c9887274afef7b62d0b3b6a9d7d41be7c758cb2999b4842a4", kill_on_drop: false }`
[INFO] [stdout] e622062730c9fe7c9887274afef7b62d0b3b6a9d7d41be7c758cb2999b4842a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7d3a9473b81f24bbeb55630d02b442940d9f1ec89ac4859f16e1366751c82a8
[INFO] running `Command { std: "docker" "start" "-a" "a7d3a9473b81f24bbeb55630d02b442940d9f1ec89ac4859f16e1366751c82a8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] 
[INFO] [stderr]   --> src/leetcode/lvl4/lc0968/soln_0_postorder_recursive.rs:28:10
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 28 |         };
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/leetcode/lvl4/lc0968/soln_0_postorder_recursive.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode_solutions_rust_an7one-4fb8698b394c9cd4)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode_solutions_rust_an7one-3c133992e6a6131f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode_solutions_rust_an7one
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/leetcode/lvl4/lc0968/soln_0_postorder_recursive.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7d3a9473b81f24bbeb55630d02b442940d9f1ec89ac4859f16e1366751c82a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d3a9473b81f24bbeb55630d02b442940d9f1ec89ac4859f16e1366751c82a8", kill_on_drop: false }`
[INFO] [stdout] a7d3a9473b81f24bbeb55630d02b442940d9f1ec89ac4859f16e1366751c82a8