[INFO] fetching crate lightmon 0.2.0... [INFO] checking lightmon-0.2.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate lightmon 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate lightmon 0.2.0 [INFO] finished tweaking crates.io crate lightmon 0.2.0 [INFO] tweaked toml for crates.io crate lightmon 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lightmon 0.2.0 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] crate crates.io crate lightmon 0.2.0 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 911a6b4d3eda41ab2fae92827c2b4617c8f0d7e7f13524696b8f988da2115d52 [INFO] running `Command { std: "docker" "start" "-a" "911a6b4d3eda41ab2fae92827c2b4617c8f0d7e7f13524696b8f988da2115d52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "911a6b4d3eda41ab2fae92827c2b4617c8f0d7e7f13524696b8f988da2115d52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "911a6b4d3eda41ab2fae92827c2b4617c8f0d7e7f13524696b8f988da2115d52", kill_on_drop: false }` [INFO] [stdout] 911a6b4d3eda41ab2fae92827c2b4617c8f0d7e7f13524696b8f988da2115d52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c50cca183b6fe94195152f104090623590dc12b18b04592bc01b13084fd10ff8 [INFO] running `Command { std: "docker" "start" "-a" "c50cca183b6fe94195152f104090623590dc12b18b04592bc01b13084fd10ff8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stderr] Checking lightmon v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (398) 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/node.rs:32:1: 32:8 (#43), segments: [PathSegment { ident: #43, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(24), style: Outer, span: tests/node.rs:32:1: 32:8 (#43) } [INFO] [stderr] stack backtrace: [INFO] [stderr] [INFO] [stderr] thread 'rustc' (406) 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/rust.rs:22:1: 22:8 (#43), segments: [PathSegment { ident: #43, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(22), style: Outer, span: tests/rust.rs:22:1: 22:8 (#43) } [INFO] [stderr] stack backtrace: [INFO] [stderr] [INFO] [stderr] thread 'rustc' (408) 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/shell.rs:40:1: 40:8 (#43), segments: [PathSegment { ident: #43, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(22), style: Outer, span: tests/shell.rs:40:1: 40:8 (#43) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7d11dfc2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 0: 0x71ad4362bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x71ad43c0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 1: 0x7d11e020fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x71ad43642226 - ::write_fmt [INFO] [stderr] 3: 0x71ad43601b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 2: 0x7d11dfc42226 - ::write_fmt [INFO] [stderr] 3: 0x7d11dfc01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 0: 0x7dd1b202bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7dd1b260fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7dd1b2042226 - ::write_fmt [INFO] [stderr] 3: 0x7dd1b2001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7dd1b201f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 4: 0x7d11dfc1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 4: 0x71ad4361f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7d11dec0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7d11dfc1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7d11dfc01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7d11dfbf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7d11dfc0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7d11dc838f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 5: 0x7dd1b100236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7dd1b201fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7dd1b2001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7dd1b1ff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7dd1b200372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7dd1aec38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 5: 0x71ad4260236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x71ad4361fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x71ad43601c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x71ad435f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x71ad4360372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x71ad40238f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x71ad449e0110 - ::token_trees [INFO] [stderr] 11: 0x7dd1b33e0110 - ::token_trees [INFO] [stderr] 11: 0x7d11e0fe0110 - ::token_trees [INFO] [stderr] 12: 0x71ad4521c314 - ::fully_expand_fragment [INFO] [stderr] 12: 0x7d11e181c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x71ad451e65d2 - ::expand_crate [INFO] [stderr] 12: 0x7dd1b3c1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7dd1b3be65d2 - ::expand_crate [INFO] [stderr] 13: 0x7d11e17e65d2 - ::expand_crate [INFO] [stderr] 14: 0x71ad442f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 14: 0x7dd1b2cf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 14: 0x7d11e08f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7dd1b3807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 15: 0x7d11e1407658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 15: 0x71ad44e07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7d11e14073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 16: 0x71ad44e073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 16: 0x7dd1b38073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x71ad44e073a7 - >::call_once [INFO] [stderr] 17: 0x7d11e14073a7 - >::call_once [INFO] [stderr] 17: 0x7dd1b38073a7 - >::call_once [INFO] [stderr] 18: 0x7dd1b37ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7dd1b37ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7dd1b397127b - , 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: 0x7dd1b385ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 18: 0x71ad44decb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x71ad44dec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x71ad44f7127b - , 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] 18: 0x7d11e13ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7d11e13ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7d11e157127b - , 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: 0x7d11e145ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7d11e12eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7d11e12eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7d11e12ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7d11dae8aaa4 - [INFO] [stderr] 26: 0x7d11daf17a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] 22: 0x7dd1b36eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7dd1b36eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7dd1b36ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7dd1ad28aaa4 - [INFO] [stderr] 26: 0x7dd1ad317a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] 21: 0x71ad44e5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x71ad44ceac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x71ad44ceaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x71ad44ced138 - ::new::thread_start [INFO] [stderr] 25: 0x71ad3e88aaa4 - [INFO] [stderr] 26: 0x71ad3e917a64 - 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_08_39-387.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] 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] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-08T20_08_39-390.txt`: Read-only file system (os error 30) [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] [INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) running on x86_64-unknown-linux-gnu [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-08T20_08_39-385.txt`: Read-only file system (os error 30) [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] query stack during panic: [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] #0 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] end of query stack [INFO] [stderr] #0 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `lightmon` (test "rust") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name rust --edition=2018 tests/rust.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=632cf91ed1447e5b -C extra-filename=-ff0b25708b4efd23 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-69cce4fb847aba62.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-f1377d807e13d1d8.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-43517e03daf8b93a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f26ca2dab18111a8.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-e84184d79bfb0452.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0da055e84e719257.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-03e2d886324361db.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-d7748f48d922eaaa.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-de0cbdded71dacbe.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `lightmon` (test "node") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name node --edition=2018 tests/node.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=45b66367c0e80e6f -C extra-filename=-ad3a40e990f39b23 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-69cce4fb847aba62.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-f1377d807e13d1d8.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-43517e03daf8b93a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f26ca2dab18111a8.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-e84184d79bfb0452.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0da055e84e719257.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-03e2d886324361db.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-d7748f48d922eaaa.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-de0cbdded71dacbe.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] error: could not compile `lightmon` (test "shell") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name shell --edition=2018 tests/shell.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=2eaec9e50e355b1d -C extra-filename=-bfc07138b6462b8b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-69cce4fb847aba62.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-f1377d807e13d1d8.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-43517e03daf8b93a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f26ca2dab18111a8.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-e84184d79bfb0452.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0da055e84e719257.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-03e2d886324361db.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-d7748f48d922eaaa.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-de0cbdded71dacbe.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "c50cca183b6fe94195152f104090623590dc12b18b04592bc01b13084fd10ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c50cca183b6fe94195152f104090623590dc12b18b04592bc01b13084fd10ff8", kill_on_drop: false }` [INFO] [stdout] c50cca183b6fe94195152f104090623590dc12b18b04592bc01b13084fd10ff8