[INFO] cloning repository https://github.com/Natural-selection1/leetcode-hot-100-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Natural-selection1/leetcode-hot-100-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatural-selection1%2Fleetcode-hot-100-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatural-selection1%2Fleetcode-hot-100-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77771d2a237d67153c3da22c9e3a13a489a26394
[INFO] testing Natural-selection1/leetcode-hot-100-rust against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatural-selection1%2Fleetcode-hot-100-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Natural-selection1/leetcode-hot-100-rust
[INFO] finished tweaking git repo https://github.com/Natural-selection1/leetcode-hot-100-rust
[INFO] tweaked toml for git repo https://github.com/Natural-selection1/leetcode-hot-100-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Natural-selection1/leetcode-hot-100-rust on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Natural-selection1/leetcode-hot-100-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72b834645995134d6be78500f0bd0f0af74544d8fbb805c61246edda90ee5145
[INFO] running `Command { std: "docker" "start" "-a" "72b834645995134d6be78500f0bd0f0af74544d8fbb805c61246edda90ee5145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72b834645995134d6be78500f0bd0f0af74544d8fbb805c61246edda90ee5145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b834645995134d6be78500f0bd0f0af74544d8fbb805c61246edda90ee5145", kill_on_drop: false }`
[INFO] [stdout] 72b834645995134d6be78500f0bd0f0af74544d8fbb805c61246edda90ee5145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 882415ce9e312cf8d779519280dd4ecba8be1dcc1744c05294140d9a9fcd7fb8
[INFO] running `Command { std: "docker" "start" "-a" "882415ce9e312cf8d779519280dd4ecba8be1dcc1744c05294140d9a9fcd7fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/rustwide/workdir/crates/tree)
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/crates/graph)
[INFO] [stderr]    Compiling sub_sequence v0.1.0 (/opt/rustwide/workdir/crates/sub_sequence)
[INFO] [stderr]    Compiling multidimensional_dynamic_programming v0.1.0 (/opt/rustwide/workdir/crates/multidim_dp)
[INFO] [stderr]    Compiling binary_search v0.1.0 (/opt/rustwide/workdir/crates/binary_search)
[INFO] [stderr]    Compiling double_pointer v0.1.0 (/opt/rustwide/workdir/crates/double_pointer)
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir/crates/matrix)
[INFO] [stderr]    Compiling backtracking v0.1.0 (/opt/rustwide/workdir/crates/backtracking)
[INFO] [stderr]    Compiling dynamic_programming v0.1.0 (/opt/rustwide/workdir/crates/dynamic_programming)
[INFO] [stderr]    Compiling hash v0.1.0 (/opt/rustwide/workdir/crates/hash)
[INFO] [stderr]    Compiling stack v0.1.0 (/opt/rustwide/workdir/crates/stack)
[INFO] [stderr]    Compiling skill v0.1.0 (/opt/rustwide/workdir/crates/skill)
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir/crates/linked_list)
[INFO] [stderr]    Compiling heap v0.1.0 (/opt/rustwide/workdir/crates/heap)
[INFO] [stderr]    Compiling sliding_window v0.1.0 (/opt/rustwide/workdir/crates/sliding_window)
[INFO] [stderr]    Compiling array v0.1.0 (/opt/rustwide/workdir/crates/array)
[INFO] [stderr]    Compiling greedy v0.1.0 (/opt/rustwide/workdir/crates/greedy)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "882415ce9e312cf8d779519280dd4ecba8be1dcc1744c05294140d9a9fcd7fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882415ce9e312cf8d779519280dd4ecba8be1dcc1744c05294140d9a9fcd7fb8", kill_on_drop: false }`
[INFO] [stdout] 882415ce9e312cf8d779519280dd4ecba8be1dcc1744c05294140d9a9fcd7fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4abaebb2074a8ed9dc8ac4ee9c8ecc79fb5d7a35991b9b33025ffa31b5171d68
[INFO] running `Command { std: "docker" "start" "-a" "4abaebb2074a8ed9dc8ac4ee9c8ecc79fb5d7a35991b9b33025ffa31b5171d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling double_pointer v0.1.0 (/opt/rustwide/workdir/crates/double_pointer)
[INFO] [stderr]    Compiling heap v0.1.0 (/opt/rustwide/workdir/crates/heap)
[INFO] [stderr]    Compiling array v0.1.0 (/opt/rustwide/workdir/crates/array)
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir/crates/matrix)
[INFO] [stderr]    Compiling skill v0.1.0 (/opt/rustwide/workdir/crates/skill)
[INFO] [stderr]    Compiling binary_search v0.1.0 (/opt/rustwide/workdir/crates/binary_search)
[INFO] [stderr]    Compiling hash v0.1.0 (/opt/rustwide/workdir/crates/hash)
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/crates/graph)
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/rustwide/workdir/crates/tree)
[INFO] [stderr]    Compiling sliding_window v0.1.0 (/opt/rustwide/workdir/crates/sliding_window)
[INFO] [stderr]    Compiling sub_sequence v0.1.0 (/opt/rustwide/workdir/crates/sub_sequence)
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir/crates/linked_list)
[INFO] [stderr]    Compiling multidimensional_dynamic_programming v0.1.0 (/opt/rustwide/workdir/crates/multidim_dp)
[INFO] [stderr]    Compiling dynamic_programming v0.1.0 (/opt/rustwide/workdir/crates/dynamic_programming)
[INFO] [stderr]    Compiling greedy v0.1.0 (/opt/rustwide/workdir/crates/greedy)
[INFO] [stderr]    Compiling stack v0.1.0 (/opt/rustwide/workdir/crates/stack)
[INFO] [stderr]    Compiling backtracking v0.1.0 (/opt/rustwide/workdir/crates/backtracking)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "4abaebb2074a8ed9dc8ac4ee9c8ecc79fb5d7a35991b9b33025ffa31b5171d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abaebb2074a8ed9dc8ac4ee9c8ecc79fb5d7a35991b9b33025ffa31b5171d68", kill_on_drop: false }`
[INFO] [stdout] 4abaebb2074a8ed9dc8ac4ee9c8ecc79fb5d7a35991b9b33025ffa31b5171d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85791026ceb02b2c3a79bdcce144c8fd49f031c8b1a841102d541a703881d9ff
[INFO] running `Command { std: "docker" "start" "-a" "85791026ceb02b2c3a79bdcce144c8fd49f031c8b1a841102d541a703881d9ff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/array-a332362d37500bea)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/backtracking-6de725afe5dbcdf9)
[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] [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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/binary_search-ebd31fe72ffcd713)
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/double_pointer-a08092f88367a728)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/dynamic_programming-dfd2eb4427a3e4ec)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/graph-0d51633ee94ed025)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/greedy-3f650e75911af6ca)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/hash-8d498df6b25772a5)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/heap-53008ec6b94673c4)
[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] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/linked_list-a5906e88e1164c55)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test copy_random_list::tests::test_empty_list ... ok
[INFO] [stdout] test copy_random_list::tests::test_complex_random_pointers ... ok
[INFO] [stdout] test copy_random_list::tests::test_multiple_nodes_no_random ... ok
[INFO] [stdout] test copy_random_list::tests::test_multiple_nodes_with_random ... ok
[INFO] [stdout] test copy_random_list::tests::test_single_node_no_random ... ok
[INFO] [stdout] test copy_random_list::tests::test_single_node_with_random ... ok
[INFO] [stdout] test copy_random_list::tests::test_random_pointing_to_self ... ok
[INFO] [stdout] test detect_cycle::test_detect_cycle ... ok
[INFO] [stderr] error: test failed, to rerun pass `-p linked_list --lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/linked_list-a5906e88e1164c55` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "85791026ceb02b2c3a79bdcce144c8fd49f031c8b1a841102d541a703881d9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85791026ceb02b2c3a79bdcce144c8fd49f031c8b1a841102d541a703881d9ff", kill_on_drop: false }`
[INFO] [stdout] 85791026ceb02b2c3a79bdcce144c8fd49f031c8b1a841102d541a703881d9ff
