[INFO] fetching crate typed-format-version 0.2.2... [INFO] checking typed-format-version-0.2.2 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate typed-format-version 0.2.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate typed-format-version 0.2.2 [INFO] finished tweaking crates.io crate typed-format-version 0.2.2 [INFO] tweaked toml for crates.io crate typed-format-version 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate typed-format-version 0.2.2 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 typed-format-version 0.2.2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d2e37e34d483b55813681051e3de278dc4e86dffd83fa325c1fdf89c71f3db35 [INFO] running `Command { std: "docker" "start" "-a" "d2e37e34d483b55813681051e3de278dc4e86dffd83fa325c1fdf89c71f3db35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2e37e34d483b55813681051e3de278dc4e86dffd83fa325c1fdf89c71f3db35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2e37e34d483b55813681051e3de278dc4e86dffd83fa325c1fdf89c71f3db35", kill_on_drop: false }` [INFO] [stdout] d2e37e34d483b55813681051e3de278dc4e86dffd83fa325c1fdf89c71f3db35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2dbe915bb7f91ec8556d23049df5a064aa0e19848beaa909230f8ca424bcde32 [INFO] running `Command { std: "docker" "start" "-a" "2dbe915bb7f91ec8556d23049df5a064aa0e19848beaa909230f8ca424bcde32", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking hashbrown v0.15.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking toml_write v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking winnow v0.7.10 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking tracing-test v0.2.5 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking toml_datetime v0.6.9 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking typed-format-version v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking toml_edit v0.22.26 [INFO] [stderr] Checking toml v0.8.22 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (568) 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: rust/tests.rs:69:1: 69:8 (#48), segments: [PathSegment { ident: #48, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(268), style: Outer, span: rust/tests.rs:69:1: 69:8 (#48) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x70fcfe22bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x70fcfe80fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x70fcfe242226 - ::write_fmt [INFO] [stderr] 3: 0x70fcfe201b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x70fcfe21f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x70fcfd20236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x70fcfe21fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x70fcfe201c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x70fcfe1f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x70fcfe20372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x70fcfae38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x70fcff5e0110 - ::token_trees [INFO] [stderr] 12: 0x70fcffe1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x70fcffde65d2 - ::expand_crate [INFO] [stderr] 14: 0x70fcfeef0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x70fcffa07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x70fcffa073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x70fcffa073a7 - >::call_once [INFO] [stderr] 18: 0x70fcff9ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x70fcff9ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x70fcffb7127b - , 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: 0x70fcffa5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x70fcff8eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x70fcff8eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x70fcff8ed138 - ::new::thread_start [INFO] [stderr] 25: 0x70fcf948aaa4 - [INFO] [stderr] 26: 0x70fcf9517a64 - 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-2026-01-08T23_46_48-566.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 `typed-format-version` (lib test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name typed_format_version --edition=2021 rust/lib.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=b21f7fdb3d8d1ac5 -C extra-filename=-081522d156b5f15c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-9e60a9f33eb513b3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-02d21e6a0e5c3682.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c82cecbe30cdef8b.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-c8f81b7446678bd2.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-0eb4839b490620d3.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-fedd9849a8606e52.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-0f4e404c82c1fd25.rmeta --extern tracing_test=/opt/rustwide/target/debug/deps/libtracing_test-5d65f7543d678dd9.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "2dbe915bb7f91ec8556d23049df5a064aa0e19848beaa909230f8ca424bcde32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dbe915bb7f91ec8556d23049df5a064aa0e19848beaa909230f8ca424bcde32", kill_on_drop: false }` [INFO] [stdout] 2dbe915bb7f91ec8556d23049df5a064aa0e19848beaa909230f8ca424bcde32