[INFO] fetching crate libarc2 0.6.0... [INFO] checking libarc2-0.6.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate libarc2 0.6.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate libarc2 0.6.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate libarc2 0.6.0 [INFO] tweaked toml for crates.io crate libarc2 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate libarc2 0.6.0 on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 38 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.10.0) [INFO] [stderr] Adding serial_test v0.4.0 (available: v3.3.1) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21418244ca8763f76f814d36b348f52cfa56c0f7eab7c22ae5a5ff7d663db308 [INFO] running `Command { std: "docker" "start" "-a" "21418244ca8763f76f814d36b348f52cfa56c0f7eab7c22ae5a5ff7d663db308", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21418244ca8763f76f814d36b348f52cfa56c0f7eab7c22ae5a5ff7d663db308", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21418244ca8763f76f814d36b348f52cfa56c0f7eab7c22ae5a5ff7d663db308", kill_on_drop: false }` [INFO] [stdout] 21418244ca8763f76f814d36b348f52cfa56c0f7eab7c22ae5a5ff7d663db308 [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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1aee70901b5877a7845ea200a859dcec5cf2d03c31b32b89bafc90317feddc3 [INFO] running `Command { std: "docker" "start" "-a" "a1aee70901b5877a7845ea200a859dcec5cf2d03c31b32b89bafc90317feddc3", kill_on_drop: false }` [INFO] [stderr] Compiling beastlink v1.0.0 [INFO] [stderr] Checking spin_sleep v1.3.3 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling serial_test_derive v0.4.0 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking serial_test v0.4.0 [INFO] [stderr] Checking libarc2 v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/instrument.rs:1364:54 [INFO] [stdout] | [INFO] [stdout] 1364 | self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::>()))?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1364 - self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::>()))?; [INFO] [stdout] 1364 + self.amp_prep(Some(&input.iter().map(|c| c.0 as usize ).collect::>()))?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/instrument.rs:1364:54 [INFO] [stdout] | [INFO] [stdout] 1364 | self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::>()))?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1364 - self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::>()))?; [INFO] [stdout] 1364 + self.amp_prep(Some(&input.iter().map(|c| c.0 as usize ).collect::>()))?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memory.rs:266:13 [INFO] [stdout] | [INFO] [stdout] 266 | for i in 0..u32::MAX { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `dummy` is never used [INFO] [stdout] --> src/memory.rs:77:19 [INFO] [stdout] | [INFO] [stdout] 69 | impl Chunk { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 77 | pub(crate) fn dummy() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `total_blocks` is never read [INFO] [stdout] --> src/memory.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 140 | pub(crate) struct MemMan { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 144 | total_blocks: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next` is never used [INFO] [stdout] --> src/memory.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 152 | impl MemMan { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 170 | fn next(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_indices` is never used [INFO] [stdout] --> src/registers.rs:1702:19 [INFO] [stdout] | [INFO] [stdout] 1696 | impl DACVoltageMask { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 1702 | pub(crate) fn from_indices(indices: &[usize]) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wx5` is never constructed [INFO] [stdout] --> src/registers.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct Wx5; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wx6` is never constructed [INFO] [stdout] --> src/registers.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct Wx6; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wx7` is never constructed [INFO] [stdout] --> src/registers.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 72 | pub struct Wx7; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `dummy` is never used [INFO] [stdout] --> src/memory.rs:77:19 [INFO] [stdout] | [INFO] [stdout] 69 | impl Chunk { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 77 | pub(crate) fn dummy() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_indices` is never used [INFO] [stdout] --> src/registers.rs:1702:19 [INFO] [stdout] | [INFO] [stdout] 1696 | impl DACVoltageMask { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 1702 | pub(crate) fn from_indices(indices: &[usize]) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wx5` is never constructed [INFO] [stdout] --> src/registers.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct Wx5; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wx6` is never constructed [INFO] [stdout] --> src/registers.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct Wx6; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wx7` is never constructed [INFO] [stdout] --> src/registers.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 72 | pub struct Wx7; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/memory.rs:305:9 [INFO] [stdout] | [INFO] [stdout] 305 | manager.free_chunk(&mut chunk1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 305 | let _ = manager.free_chunk(&mut chunk1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (214) panicked at /rustc-dev/66388cc165a6c4ac98c074dc9f0281ff23528c55/compiler/rustc_ast/src/attr/mod.rs:302:36: [INFO] [stderr] attribute is missing tokens: Attribute { kind: Normal(NormalAttr { item: AttrItem { unsafety: Default, path: Path { span: tests/hardware.rs:7:5: 7:12 (#8), segments: [PathSegment { ident: #8, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(19), style: Outer, span: tests/hardware.rs:7:5: 7:12 (#8) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x717dd002bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x717dd060fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x717dd0042226 - ::write_fmt [INFO] [stderr] 3: 0x717dd0001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x717dd001f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x717dcf00236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x717dd001fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x717dd0001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x717dcfff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x717dd000372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x717dccc38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x717dd13e0110 - ::token_trees [INFO] [stderr] 12: 0x717dd1c1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x717dd1be65d2 - ::expand_crate [INFO] [stderr] 14: 0x717dd0cf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x717dd1807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x717dd18073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x717dd18073a7 - >::call_once [INFO] [stderr] 18: 0x717dd17ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x717dd17ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x717dd197127b - , rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(&rustc_session[1e6875ba352dc1ba]::session::Session, rustc_middle[2342951a64deba5]::ty::context::CurrentGcx, alloc[d7482eb0f1d19161]::sync::Arc, &std[7d609349af90bec6]::sync::once_lock::OnceLock, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0} [INFO] [stderr] 21: 0x717dd185ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x717dd16eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x717dd16eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x717dd16ed138 - ::new::thread_start [INFO] [stderr] 25: 0x717dcb28aaa4 - [INFO] [stderr] 26: 0x717dcb317a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [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-2026-01-08T20_24_55-212.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -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 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `libarc2` (test "hardware") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name hardware --edition=2018 tests/hardware.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="flag_addresses"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug_packets", "default", "dummy_writes", "flag_addresses", "hardware_tests", "zero_before_write"))' -C metadata=e31718474e591c90 -C extra-filename=-6ec5639c220a3d5b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_matches=/opt/rustwide/target/debug/deps/libassert_matches-ad0cb9533c05fd3a.rmeta --extern beastlink=/opt/rustwide/target/debug/deps/libbeastlink-0813f66ff94a2b56.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6dcfbc6bad33d8b2.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-479ff0b335550b1b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cb8ca6aa8c56979f.rmeta --extern libarc2=/opt/rustwide/target/debug/deps/liblibarc2-ea40a72ec5ed6f93.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-b8bda02c55106ae8.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-5926fbb98e608a95.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-c94dfe37e3618389.rmeta --extern spin_sleep=/opt/rustwide/target/debug/deps/libspin_sleep-2cfe8ad9de4aacd1.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-6ec81fa0f4b2bb18.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "a1aee70901b5877a7845ea200a859dcec5cf2d03c31b32b89bafc90317feddc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1aee70901b5877a7845ea200a859dcec5cf2d03c31b32b89bafc90317feddc3", kill_on_drop: false }` [INFO] [stdout] a1aee70901b5877a7845ea200a859dcec5cf2d03c31b32b89bafc90317feddc3