[INFO] cloning repository https://github.com/AmmarAbouZor/LeetCode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmmarAbouZor/LeetCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmmarAbouZor%2FLeetCode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmmarAbouZor%2FLeetCode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ae580c8d82a11d73ddbdb4fb23d1648ca9e28024 [INFO] building AmmarAbouZor/LeetCode against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmmarAbouZor%2FLeetCode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AmmarAbouZor/LeetCode on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AmmarAbouZor/LeetCode [INFO] finished tweaking git repo https://github.com/AmmarAbouZor/LeetCode [INFO] tweaked toml for git repo https://github.com/AmmarAbouZor/LeetCode written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/AmmarAbouZor/LeetCode 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84e5d7e5cb8f8c48460055ce5b0ab969643cd03d9855788467f752ce4da68d11 [INFO] running `Command { std: "docker" "start" "-a" "84e5d7e5cb8f8c48460055ce5b0ab969643cd03d9855788467f752ce4da68d11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84e5d7e5cb8f8c48460055ce5b0ab969643cd03d9855788467f752ce4da68d11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e5d7e5cb8f8c48460055ce5b0ab969643cd03d9855788467f752ce4da68d11", kill_on_drop: false }` [INFO] [stdout] 84e5d7e5cb8f8c48460055ce5b0ab969643cd03d9855788467f752ce4da68d11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6d72519ba7c851f5b82496352d916530c113d3800fa52287ab35dcd99f5feb6 [INFO] running `Command { std: "docker" "start" "-a" "a6d72519ba7c851f5b82496352d916530c113d3800fa52287ab35dcd99f5feb6", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/subtree_of_another.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_subtree` is never used [INFO] [stdout] --> src/bin/subtree_of_another.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 18 | pub fn is_subtree( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/lca_binary_tree.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `lowest_common_ancestor` is never used [INFO] [stdout] --> src/bin/lca_binary_tree.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 16 | // O(Logn) [INFO] [stdout] 17 | pub fn lowest_common_ancestor( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/max_depth_binary_tree.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `max_depth` is never used [INFO] [stdout] --> src/bin/max_depth_binary_tree.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 18 | // Time: O(n), Space: O(Logn) Or O(h) depending on the height [INFO] [stdout] 19 | pub fn max_depth(root: Option>>) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/kth_smallest_elm_tree.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `kth_smallest` is never used [INFO] [stdout] --> src/bin/kth_smallest_elm_tree.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 18 | // Time: O(logn) Space: O(logn) [INFO] [stdout] 19 | pub fn kth_smallest(root: Option>>, mut k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/validate_search_tree.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `is_valid_bst` and `is_valid_boundary` are never used [INFO] [stdout] --> src/bin/validate_search_tree.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 18 | pub fn is_valid_bst(root: Option>>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn is_valid_boundary(root: Option<&Rc>>, min: i64, max: i64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MinStack` is never constructed [INFO] [stdout] --> src/bin/min_stack.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct MinStack { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pair` is never constructed [INFO] [stdout] --> src/bin/min_stack.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bin/min_stack.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Pair { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 15 | fn new(val: i32, min: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used [INFO] [stdout] --> src/bin/min_stack.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl MinStack { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 25 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn push(&mut self, val: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn top(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn get_min(&self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TrieNode` is never constructed [INFO] [stdout] --> src/bin/trie.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct TrieNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bin/trie.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl TrieNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 14 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Trie` is never constructed [INFO] [stdout] --> src/bin/trie.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct Trie { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, `search`, and `starts_with` are never used [INFO] [stdout] --> src/bin/trie.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 26 | impl Trie { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 27 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn insert(&mut self, word: String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn search(&self, word: String) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn starts_with(&self, prefix: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/tree_level_order_traversal.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `level_order` and `level_order_no_clone` are never used [INFO] [stdout] --> src/bin/tree_level_order_traversal.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 17 | // O(n): Breadth First Search (BFS) [INFO] [stdout] 18 | pub fn level_order(root: Option>>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn level_order_no_clone(root: Option>>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/invert_binary_tree.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `invert_tree` and `invert_tree_cleaner` are never used [INFO] [stdout] --> src/bin/invert_binary_tree.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 17 | // Time: O(n) Space O(n) [INFO] [stdout] 18 | pub fn invert_tree(root: Option>>) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn invert_tree_cleaner( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb73 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7b141c381caa - ::fmt::h636462e57d5ef1e1 [INFO] [stderr] 1: 0x7b141ca13cbc - core::fmt::write::h067060808ac50eb9 [INFO] [stderr] 2: 0x7b141d928e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd [INFO] [stderr] 3: 0x7b141c381b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9 [INFO] [stderr] 4: 0x7b141c383ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d [INFO] [stderr] 5: 0x7b141c383e43 - std::panicking::default_hook::h25f21dc0f2064615 [INFO] [stderr] 6: 0x7b141b4eff28 - std[b36e883d67eb0403]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7b141c3847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605 [INFO] [stderr] 8: 0x7b141b52a341 - std[b36e883d67eb0403]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x7b141b51f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x7b141b51f50d - std[b36e883d67eb0403]::panicking::begin_panic:: [INFO] [stderr] 11: 0x7b141b5342a1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7b141ba84fdc - ::span_bug:: [INFO] [stderr] 13: 0x7b141bb0a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x7b141baf006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x7b141baefefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x7b1419f34437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x7b141d3d541b - ::build_unwind_tree [INFO] [stderr] 18: 0x7b141d3cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build [INFO] [stderr] 19: 0x7b141ca07714 - rustc_mir_transform[857cd804783fef4d]::mir_built [INFO] [stderr] 20: 0x7b141ca076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x7b141cc953d1 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x7b141cc94f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x7b1419a67185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety [INFO] [stderr] 24: 0x7b141d2e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x7b141d2e9b69 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x7b141d2e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x7b141ce9bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses [INFO] [stderr] 28: 0x7b141d92cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis [INFO] [stderr] 29: 0x7b141d92cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x7b141d97b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x7b141d97b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x7b141d9701de - rustc_interface[b59e7ee7606ca029]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 33: 0x7b141d9dff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 34: 0x7b141d8f5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x7b141d8f551c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[303105738bd0c2ae]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 36: 0x7b141d8f6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05 [INFO] [stderr] 37: 0x7b141f10dac3 - [INFO] [stderr] 38: 0x7b141f19ea04 - clone [INFO] [stderr] 39: 0x0 - [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2024-12-31T19_47_03-1106.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.85.0-nightly (9b5e8b16b 2024-12-19) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [mir_built] building MIR for `two_sum` [INFO] [stderr] #1 [check_unsafety] unsafety-checking `two_sum` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `leetcode` (bin "tow_some_sorted") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name tow_some_sorted --edition=2021 src/bin/tow_some_sorted.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=f7186b6ffa209bc8 -C extra-filename=-84c0199718c0ba1d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/construct_tree.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `build_tree` and `build_recursive` are never used [INFO] [stdout] --> src/bin/construct_tree.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 19 | pub fn build_tree(preorder: Vec, inorder: Vec) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn build_recursive( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a6d72519ba7c851f5b82496352d916530c113d3800fa52287ab35dcd99f5feb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6d72519ba7c851f5b82496352d916530c113d3800fa52287ab35dcd99f5feb6", kill_on_drop: false }` [INFO] [stdout] a6d72519ba7c851f5b82496352d916530c113d3800fa52287ab35dcd99f5feb6