[INFO] fetching crate coding_pk 0.13.0...
[INFO] testing coding_pk-0.13.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate coding_pk 0.13.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate coding_pk 0.13.0
[INFO] finished tweaking crates.io crate coding_pk 0.13.0
[INFO] tweaked toml for crates.io crate coding_pk 0.13.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate coding_pk 0.13.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coding_pk 0.13.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f20c1c3b292b2cad2c303dae26f01aa69720554ea7449a7da778cd51fcad74a
[INFO] running `Command { std: "docker" "start" "-a" "6f20c1c3b292b2cad2c303dae26f01aa69720554ea7449a7da778cd51fcad74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f20c1c3b292b2cad2c303dae26f01aa69720554ea7449a7da778cd51fcad74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f20c1c3b292b2cad2c303dae26f01aa69720554ea7449a7da778cd51fcad74a", kill_on_drop: false }`
[INFO] [stdout] 6f20c1c3b292b2cad2c303dae26f01aa69720554ea7449a7da778cd51fcad74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d7072cfc310ab3d85e223c4acf73688eb02de1e444ac50f91e657a10a94725
[INFO] running `Command { std: "docker" "start" "-a" "c3d7072cfc310ab3d85e223c4acf73688eb02de1e444ac50f91e657a10a94725", kill_on_drop: false }`
[INFO] [stderr]    Compiling coding_pk v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]  --> src/linked_list/leetcode19.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/linked_list/leetcode19.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |                                                         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c3d7072cfc310ab3d85e223c4acf73688eb02de1e444ac50f91e657a10a94725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d7072cfc310ab3d85e223c4acf73688eb02de1e444ac50f91e657a10a94725", kill_on_drop: false }`
[INFO] [stdout] c3d7072cfc310ab3d85e223c4acf73688eb02de1e444ac50f91e657a10a94725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5c3970ba4084f5a1bfdc248d17b716522d00820d0bb2228ec73347523ae287
[INFO] running `Command { std: "docker" "start" "-a" "8a5c3970ba4084f5a1bfdc248d17b716522d00820d0bb2228ec73347523ae287", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]  --> src/linked_list/leetcode19.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coding_pk v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/linked_list/leetcode19.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |                                                         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]  --> src/linked_list/leetcode19.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/linked_list/leetcode19.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |                                                         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8a5c3970ba4084f5a1bfdc248d17b716522d00820d0bb2228ec73347523ae287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5c3970ba4084f5a1bfdc248d17b716522d00820d0bb2228ec73347523ae287", kill_on_drop: false }`
[INFO] [stdout] 8a5c3970ba4084f5a1bfdc248d17b716522d00820d0bb2228ec73347523ae287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b8d7e73f73e3f194e87fda052d9e2bf07681738f005a5b0bb1c136f1b1d75a3
[INFO] running `Command { std: "docker" "start" "-a" "0b8d7e73f73e3f194e87fda052d9e2bf07681738f005a5b0bb1c136f1b1d75a3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `head`
[INFO] [stderr]  --> src/linked_list/leetcode19.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stderr]   |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/linked_list/leetcode19.rs:3:57
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stderr]   |                                                         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: `coding_pk` (lib) generated 2 warnings
[INFO] [stderr] warning: `coding_pk` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coding_pk-50fe75bb3d87a8eb)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test dp::leetcode70::tests::test_climb_stairs ... ok
[INFO] [stdout] test hash_map::leetcode49::tests::test_49 ... ignored
[INFO] [stdout] test dp::leetcode72::tests::test_min_distance ... ok
[INFO] [stdout] test linked_list::leetcode19::tests::test_remove_nth_from_end ... ignored
[INFO] [stdout] test dp::leetcode64::tests::test_min_path_sum ... ok
[INFO] [stdout] test dfs::leetcode94::tests::test_inorder_traversal ... ok
[INFO] [stdout] test heap::leetcode215::tests::test_find_kth_largest ... ok
[INFO] [stdout] test linked_list::leetcode206::tests::test_reverse_list ... ok
[INFO] [stdout] test linked_list::leetcode21::tests::test_merge_two_lists ... ok
[INFO] [stdout] test string::leetcode557::tests::test_reverse_words ... ok
[INFO] [stdout] test two_pointers::leetcode11::tests::test_11 ... ok
[INFO] [stdout] test sliding_window::leetcode3::test::test_length_of_longest_substring ... ok
[INFO] [stdout] test two_pointers::leetcode283::tests::test_283 ... ok
[INFO] [stdout] test two_pointers::leetcode15::tests::test_15 ... ok
[INFO] [stdout] test stack::leetcode394::tests::test_394 ... ok
[INFO] [stdout] test hash_map::leetcode1::tests::test_two_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/coding_pk-6a9236777223389a)
[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]    Doc-tests coding_pk
[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" "0b8d7e73f73e3f194e87fda052d9e2bf07681738f005a5b0bb1c136f1b1d75a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8d7e73f73e3f194e87fda052d9e2bf07681738f005a5b0bb1c136f1b1d75a3", kill_on_drop: false }`
[INFO] [stdout] 0b8d7e73f73e3f194e87fda052d9e2bf07681738f005a5b0bb1c136f1b1d75a3
