[INFO] fetching crate coding_pk 0.13.0... [INFO] testing coding_pk-0.13.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [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 c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e8a0a5edc0712ec38ebd05ceba1812939166f2beeef828467084336721dce05 [INFO] running `Command { std: "docker" "start" "-a" "3e8a0a5edc0712ec38ebd05ceba1812939166f2beeef828467084336721dce05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e8a0a5edc0712ec38ebd05ceba1812939166f2beeef828467084336721dce05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e8a0a5edc0712ec38ebd05ceba1812939166f2beeef828467084336721dce05", kill_on_drop: false }` [INFO] [stdout] 3e8a0a5edc0712ec38ebd05ceba1812939166f2beeef828467084336721dce05 [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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2e83097b1bf43f978677e837f156b132a6d1b47920d562e0719c40829fe5090 [INFO] running `Command { std: "docker" "start" "-a" "a2e83097b1bf43f978677e837f156b132a6d1b47920d562e0719c40829fe5090", 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>, n: i32) -> Option> { [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>, n: i32) -> Option> { [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 0.61s [INFO] running `Command { std: "docker" "inspect" "a2e83097b1bf43f978677e837f156b132a6d1b47920d562e0719c40829fe5090", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2e83097b1bf43f978677e837f156b132a6d1b47920d562e0719c40829fe5090", kill_on_drop: false }` [INFO] [stdout] a2e83097b1bf43f978677e837f156b132a6d1b47920d562e0719c40829fe5090 [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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70df95a6d2fe8bbd6b2c3c6301eae207b63245eac8bb0d517df8d4d0f9f62456 [INFO] running `Command { std: "docker" "start" "-a" "70df95a6d2fe8bbd6b2c3c6301eae207b63245eac8bb0d517df8d4d0f9f62456", 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>, n: i32) -> Option> { [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>, n: i32) -> Option> { [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>, n: i32) -> Option> { [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>, n: i32) -> Option> { [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 0.71s [INFO] running `Command { std: "docker" "inspect" "70df95a6d2fe8bbd6b2c3c6301eae207b63245eac8bb0d517df8d4d0f9f62456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70df95a6d2fe8bbd6b2c3c6301eae207b63245eac8bb0d517df8d4d0f9f62456", kill_on_drop: false }` [INFO] [stdout] 70df95a6d2fe8bbd6b2c3c6301eae207b63245eac8bb0d517df8d4d0f9f62456 [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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bca631a5fe1107abdb0af8775b5559b08ae43839db7182255070cadf2455000c [INFO] running `Command { std: "docker" "start" "-a" "bca631a5fe1107abdb0af8775b5559b08ae43839db7182255070cadf2455000c", 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>, n: i32) -> Option> { [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>, n: i32) -> Option> { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: `coding_pk` (lib) generated 2 warnings (run `cargo fix --lib -p coding_pk` to apply 2 suggestions) [INFO] [stderr] warning: `coding_pk` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coding_pk-287e6df7df3b7dd1) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test dfs::leetcode94::tests::test_inorder_traversal ... ok [INFO] [stdout] test dp::leetcode64::tests::test_min_path_sum ... ok [INFO] [stdout] test dp::leetcode72::tests::test_min_distance ... ok [INFO] [stdout] test hash_map::leetcode49::tests::test_49 ... ignored [INFO] [stdout] test linked_list::leetcode19::tests::test_remove_nth_from_end ... ignored [INFO] [stdout] test hash_map::leetcode1::tests::test_two_sum ... 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 sliding_window::leetcode3::test::test_length_of_longest_substring ... ok [INFO] [stdout] test string::leetcode557::tests::test_reverse_words ... ok [INFO] [stdout] test stack::leetcode394::tests::test_394 ... ok [INFO] [stdout] test two_pointers::leetcode15::tests::test_15 ... ok [INFO] [stdout] test two_pointers::leetcode283::tests::test_283 ... ok [INFO] [stdout] test dp::leetcode70::tests::test_climb_stairs ... ok [INFO] [stdout] test two_pointers::leetcode11::tests::test_11 ... 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-a6bc476fa19a26ea) [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" "bca631a5fe1107abdb0af8775b5559b08ae43839db7182255070cadf2455000c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bca631a5fe1107abdb0af8775b5559b08ae43839db7182255070cadf2455000c", kill_on_drop: false }` [INFO] [stdout] bca631a5fe1107abdb0af8775b5559b08ae43839db7182255070cadf2455000c