[INFO] fetching crate lofi 0.2.0... [INFO] building lofi-0.2.0 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate lofi 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate lofi 0.2.0 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] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] started tweaking crates.io crate lofi 0.2.0 [INFO] finished tweaking crates.io crate lofi 0.2.0 [INFO] tweaked toml for crates.io crate lofi 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 70 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.5.1) [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] [stderr] Blocking waiting for file lock on package cache [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] 8c4b5f3b933dd2f43ad738ffb9c736a027ef77fb07f9031cf45ba8347c54842b [INFO] running `Command { std: "docker" "start" "-a" "8c4b5f3b933dd2f43ad738ffb9c736a027ef77fb07f9031cf45ba8347c54842b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c4b5f3b933dd2f43ad738ffb9c736a027ef77fb07f9031cf45ba8347c54842b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c4b5f3b933dd2f43ad738ffb9c736a027ef77fb07f9031cf45ba8347c54842b", kill_on_drop: false }` [INFO] [stdout] 8c4b5f3b933dd2f43ad738ffb9c736a027ef77fb07f9031cf45ba8347c54842b [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] e2e2976519fe77a2dee46aa7f4b0a98ca8fa2f64bd091dc8e180b02bc9d96a8f [INFO] running `Command { std: "docker" "start" "-a" "e2e2976519fe77a2dee46aa7f4b0a98ca8fa2f64bd091dc8e180b02bc9d96a8f", kill_on_drop: false }` [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling lofi v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::lazy` [INFO] [stdout] --> src/noop_waker.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | lazy::SyncLazy, [INFO] [stdout] | ^^^^ could not find `lazy` in `std` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/alloc.rs:215:21 [INFO] [stdout] | [INFO] [stdout] 215 | map.compare_and_swap(map_value, 0, SeqCst); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `CBox>: PinCoerceUnsized` is not satisfied [INFO] [stdout] --> src/lib.rs:117:84 [INFO] [stdout] | [INFO] [stdout] 117 | (Poll::Pending, AwaitCondition::NextTick) => self.tasks.push_front(task), [INFO] [stdout] | ^^^^ the trait `PinCoerceUnsized` is not implemented for `CBox>` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `PinCoerceUnsized`: [INFO] [stdout] &'a T [INFO] [stdout] &'a mut T [INFO] [stdout] *const T [INFO] [stdout] *mut T [INFO] [stdout] Arc [INFO] [stdout] Cell [INFO] [stdout] NonNull [INFO] [stdout] Pin [INFO] [stdout] and 11 others [INFO] [stdout] = note: required for the cast from `Pin>>` to `Pin + 'static)>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `CBox>: PinCoerceUnsized` is not satisfied [INFO] [stdout] --> src/lib.rs:118:89 [INFO] [stdout] | [INFO] [stdout] 118 | (Poll::Pending, AwaitCondition::Exclusive) => self.exclusive_tasks.push(task), [INFO] [stdout] | ^^^^ the trait `PinCoerceUnsized` is not implemented for `CBox>` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `PinCoerceUnsized`: [INFO] [stdout] &'a T [INFO] [stdout] &'a mut T [INFO] [stdout] *const T [INFO] [stdout] *mut T [INFO] [stdout] Arc [INFO] [stdout] Cell [INFO] [stdout] NonNull [INFO] [stdout] Pin [INFO] [stdout] and 11 others [INFO] [stdout] = note: required for the cast from `Pin>>` to `Pin + 'static)>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `CBox>: PinCoerceUnsized` is not satisfied [INFO] [stdout] --> src/lib.rs:128:56 [INFO] [stdout] | [INFO] [stdout] 128 | Poll::Pending => self.tasks.push_front(task), [INFO] [stdout] | ^^^^ the trait `PinCoerceUnsized` is not implemented for `CBox>` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `PinCoerceUnsized`: [INFO] [stdout] &'a T [INFO] [stdout] &'a mut T [INFO] [stdout] *const T [INFO] [stdout] *mut T [INFO] [stdout] Arc [INFO] [stdout] Cell [INFO] [stdout] NonNull [INFO] [stdout] Pin [INFO] [stdout] and 11 others [INFO] [stdout] = note: required for the cast from `Pin>>` to `Pin + 'static)>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `CBox>: PinCoerceUnsized` is not satisfied [INFO] [stdout] --> src/lib.rs:148:27 [INFO] [stdout] | [INFO] [stdout] 148 | self.spawned.push(task); [INFO] [stdout] | ^^^^ the trait `PinCoerceUnsized` is not implemented for `CBox>` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `PinCoerceUnsized`: [INFO] [stdout] &'a T [INFO] [stdout] &'a mut T [INFO] [stdout] *const T [INFO] [stdout] *mut T [INFO] [stdout] Arc [INFO] [stdout] Cell [INFO] [stdout] NonNull [INFO] [stdout] Pin [INFO] [stdout] and 11 others [INFO] [stdout] = note: required for the cast from `Pin>>` to `Pin + 'static)>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17: [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb35 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x713c45981caa - ::fmt::h636462e57d5ef1e1 [INFO] [stderr] 1: 0x713c46013cbc - core::fmt::write::h067060808ac50eb9 [INFO] [stderr] 2: 0x713c46f28e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd [INFO] [stderr] 3: 0x713c45981b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9 [INFO] [stderr] 4: 0x713c45983ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d [INFO] [stderr] 5: 0x713c45983e43 - std::panicking::default_hook::h25f21dc0f2064615 [INFO] [stderr] 6: 0x713c44aeff28 - std[b36e883d67eb0403]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x713c459847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605 [INFO] [stderr] 8: 0x713c44b2a341 - std[b36e883d67eb0403]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x713c44b1f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x713c44b1f50d - std[b36e883d67eb0403]::panicking::begin_panic:: [INFO] [stderr] 11: 0x713c44b342a1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x713c45084fdc - ::span_bug:: [INFO] [stderr] 13: 0x713c4510a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x713c450f006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x713c450efefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x713c43534437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x713c469d541b - ::build_unwind_tree [INFO] [stderr] 18: 0x713c469cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build [INFO] [stderr] 19: 0x713c46007714 - rustc_mir_transform[857cd804783fef4d]::mir_built [INFO] [stderr] 20: 0x713c460076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x713c462953d1 - 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: 0x713c46294f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x713c43067185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety [INFO] [stderr] 24: 0x713c468e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x713c468e9b69 - 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: 0x713c468e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x713c4649bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses [INFO] [stderr] 28: 0x713c46f2cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis [INFO] [stderr] 29: 0x713c46f2cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x713c46f7b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x713c46f7b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x713c46f701de - 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: 0x713c46fdff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 34: 0x713c46ef5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x713c46ef551c - <::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: 0x713c46ef6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05 [INFO] [stderr] 37: 0x713c4864fac3 - [INFO] [stderr] 38: 0x713c486e0a04 - 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-2025-01-01T05_11_24-15.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 lib -C panic=abort -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 `alloc::::upgrade` [INFO] [stderr] #1 [check_unsafety] unsafety-checking `alloc::::upgrade` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] Some errors have detailed explanations: E0277, E0432. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lofi` (lib) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e2e2976519fe77a2dee46aa7f4b0a98ca8fa2f64bd091dc8e180b02bc9d96a8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2e2976519fe77a2dee46aa7f4b0a98ca8fa2f64bd091dc8e180b02bc9d96a8f", kill_on_drop: false }` [INFO] [stdout] e2e2976519fe77a2dee46aa7f4b0a98ca8fa2f64bd091dc8e180b02bc9d96a8f