[INFO] cloning repository https://github.com/calamarte/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calamarte/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalamarte%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalamarte%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea98a0980d1332b1c73069a9b093a6ebd0889c30 [INFO] building calamarte/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%2Fcalamarte%2Fleetcode" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/calamarte/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/calamarte/leetcode [INFO] finished tweaking git repo https://github.com/calamarte/leetcode [INFO] tweaked toml for git repo https://github.com/calamarte/leetcode written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/calamarte/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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eb05a00cc44979304faad6031be3f877105c1e3fd2691dea50df0cab43aa8388 [INFO] running `Command { std: "docker" "start" "-a" "eb05a00cc44979304faad6031be3f877105c1e3fd2691dea50df0cab43aa8388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb05a00cc44979304faad6031be3f877105c1e3fd2691dea50df0cab43aa8388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb05a00cc44979304faad6031be3f877105c1e3fd2691dea50df0cab43aa8388", kill_on_drop: false }` [INFO] [stdout] eb05a00cc44979304faad6031be3f877105c1e3fd2691dea50df0cab43aa8388 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 83c62e288a5c9218dcc7b0267a5e7afab368172d5f95f3c8637c5ac089b377cc [INFO] running `Command { std: "docker" "start" "-a" "83c62e288a5c9218dcc7b0267a5e7afab368172d5f95f3c8637c5ac089b377cc", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `iter::once` [INFO] [stdout] --> src/jump-game-2.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::max, iter::once, usize}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `days` [INFO] [stdout] --> src/best-buy-2.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut days = prices.len(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_days` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/best-buy-2.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut days = prices.len(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search_rust` is never used [INFO] [stdout] --> src/search-rotate.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn search_rust(nums: Vec, target: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nums` [INFO] [stdout] --> src/jump-game-2.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let nums = vec![2, 3, 1, 1, 4]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nums` [INFO] [stdout] --> src/jump-game-2.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let nums = vec![2, 3, 0, 1, 4]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nums` [INFO] [stdout] --> src/jump-game-2.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let nums = vec![1, 2]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/remove-duplicates.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::usize` [INFO] [stdout] --> src/jump-game.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::usize; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> src/remove-duplicates.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | collections::{BTreeSet, HashSet}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BTreeSet`, `HashMap`, and `ops::Deref` [INFO] [stdout] --> src/rain-water.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{BTreeSet, HashMap, VecDeque}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] 3 | ops::Deref, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashSet`, `ops::Sub`, `os::unix::raw::uid_t`, and `usize` [INFO] [stdout] --> src/sub-concat-words.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | collections::{HashMap, HashSet}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | ops::Sub, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | os::unix::raw::uid_t, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 6 | usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_duplicates` is never used [INFO] [stdout] --> src/remove-duplicates.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn remove_duplicates(nums: &mut Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `skip` is never used [INFO] [stdout] --> src/remove-duplicates.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn skip<'a>(value: i32, iter: &mut Peekable>) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `std::os::unix::raw::uid_t`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions [INFO] [stdout] --> src/sub-concat-words.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | os::unix::raw::uid_t, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_duplicates_ez` is never used [INFO] [stdout] --> src/remove-duplicates.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn remove_duplicates_ez(nums: &mut Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_duplicates_traditional` is never used [INFO] [stdout] --> src/remove-duplicates.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn remove_duplicates_traditional(nums: &mut Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::HashMap` [INFO] [stdout] --> src/inorder-postorder-tree.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, collections::HashMap, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_water` is never used [INFO] [stdout] --> src/rain-water.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 67 | trait Graph { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] 68 | fn draw(&self); [INFO] [stdout] 69 | fn draw_water(&self, water: &Vec<(i32, i32)>); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::VecDeque` [INFO] [stdout] --> src/same-tree.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::Borrow, cell::RefCell, collections::VecDeque, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/roman-int.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let s = String::from("III"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/roman-int.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let s = String::from("LVIII"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> src/same-tree.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::Borrow, cell::RefCell, collections::VecDeque, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_same_tree_rust` is never used [INFO] [stdout] --> src/same-tree.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn is_same_tree_rust(p: Option>>, q: Option>>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `two_sum` is never used [INFO] [stdout] --> src/two-sum.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb41 [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] [stdout] warning: function `is_anagram` is never used [INFO] [stdout] --> src/anagram.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn is_anagram(s: String, t: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x71959e981caa - ::fmt::h636462e57d5ef1e1 [INFO] [stderr] 1: 0x71959f013cbc - core::fmt::write::h067060808ac50eb9 [INFO] [stderr] 2: 0x71959ff28e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd [INFO] [stderr] 3: 0x71959e981b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9 [INFO] [stderr] 4: 0x71959e983ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d [INFO] [stderr] 5: 0x71959e983e43 - std::panicking::default_hook::h25f21dc0f2064615 [INFO] [stderr] 6: 0x71959daeff28 - std[b36e883d67eb0403]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x71959e9847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605 [INFO] [stderr] 8: 0x71959db2a341 - std[b36e883d67eb0403]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x71959db1f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x71959db1f50d - std[b36e883d67eb0403]::panicking::begin_panic:: [INFO] [stderr] 11: 0x71959db342a1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x71959e084fdc - ::span_bug:: [INFO] [stderr] 13: 0x71959e10a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x71959e0f006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x71959e0efefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x71959c534437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x71959f9d541b - ::build_unwind_tree [INFO] [stderr] 18: 0x71959f9cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build [INFO] [stderr] 19: 0x71959f007714 - rustc_mir_transform[857cd804783fef4d]::mir_built [INFO] [stderr] 20: 0x71959f0076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x71959f2953d1 - 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: 0x71959f294f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x71959c067185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety [INFO] [stderr] 24: 0x71959f8e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x71959f8e9b69 - 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: 0x71959f8e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x71959f49bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses [INFO] [stderr] 28: 0x71959ff2cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis [INFO] [stderr] 29: 0x71959ff2cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x71959ff7b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x71959ff7b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x71959ff701de - 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: 0x71959ffdff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 34: 0x71959fef5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x71959fef551c - <::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: 0x71959fef6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05 [INFO] [stderr] 37: 0x7195a16e3ac3 - [INFO] [stderr] 38: 0x7195a1774a04 - clone [INFO] [stderr] 39: 0x0 - [INFO] [stderr] [INFO] [stdout] warning: struct `BSTIteratorStack` is never constructed [INFO] [stdout] --> src/bt-iterator.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct BSTIteratorStack { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, and `has_next` are never used [INFO] [stdout] --> src/bt-iterator.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 60 | impl BSTIteratorStack { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 61 | fn new(mut root: Option>>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn next(&mut self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn has_next(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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-2024-12-31T23_06_40-580.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 `::search` [INFO] [stderr] #1 [check_unsafety] unsafety-checking `::search` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `leetcode` (bin "word-dictionary") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name word_dictionary --edition=2021 src/word-dictionary.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=5ed45719cea1c577 -C extra-filename=-3484ebec20c00784 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern leetcode=/opt/rustwide/target/debug/deps/libleetcode-41a37c11ab6f05a5.rlib --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "83c62e288a5c9218dcc7b0267a5e7afab368172d5f95f3c8637c5ac089b377cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c62e288a5c9218dcc7b0267a5e7afab368172d5f95f3c8637c5ac089b377cc", kill_on_drop: false }` [INFO] [stdout] 83c62e288a5c9218dcc7b0267a5e7afab368172d5f95f3c8637c5ac089b377cc