[INFO] fetching crate confget 5.1.2... [INFO] checking confget-5.1.2 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate confget 5.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate confget 5.1.2 [INFO] finished tweaking crates.io crate confget 5.1.2 [INFO] tweaked toml for crates.io crate confget 5.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate confget 5.1.2 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 confget 5.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 294ef54337cb25d850805179e8c2d35d3f149ea6ac50302c2ee213465d11c0d2 [INFO] running `Command { std: "docker" "start" "-a" "294ef54337cb25d850805179e8c2d35d3f149ea6ac50302c2ee213465d11c0d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "294ef54337cb25d850805179e8c2d35d3f149ea6ac50302c2ee213465d11c0d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "294ef54337cb25d850805179e8c2d35d3f149ea6ac50302c2ee213465d11c0d2", kill_on_drop: false }` [INFO] [stdout] 294ef54337cb25d850805179e8c2d35d3f149ea6ac50302c2ee213465d11c0d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93c9668b892a3cfc2b3b65679e4f47a59b026f00c55055d91c6925558e7fe57a [INFO] running `Command { std: "docker" "start" "-a" "93c9668b892a3cfc2b3b65679e4f47a59b026f00c55055d91c6925558e7fe57a", kill_on_drop: false }` [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking anstyle v1.0.2 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking aho-corasick v1.0.4 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling rustix v0.38.9 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking clap_builder v4.4.0 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Compiling relative-path v1.9.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling tracing-test-macro v0.2.4 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling rstest_macros v0.18.2 [INFO] [stderr] Compiling regex-automata v0.3.6 [INFO] [stderr] Checking tempfile v3.8.0 [INFO] [stderr] Checking regex v1.9.3 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling clap_derive v4.4.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling thiserror-impl v1.0.47 [INFO] [stderr] Checking thiserror v1.0.47 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking clap v4.4.0 [INFO] [stderr] Checking confget v5.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking tracing-test v0.2.4 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking rstest v0.18.2 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (900) 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: src/tests.rs:153:1: 153:10 (#185), segments: [PathSegment { ident: #185, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(517), style: Outer, span: src/tests.rs:153:1: 153:10 (#185) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f8a2722bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7f8a2780fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7f8a27242226 - ::write_fmt [INFO] [stderr] 3: 0x7f8a27201b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7f8a2721f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7f8a2620236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7f8a2721fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7f8a27201c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7f8a271f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7f8a2720372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7f8a23e38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7f8a285e0110 - ::token_trees [INFO] [stderr] 12: 0x7f8a28e1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7f8a28de65d2 - ::expand_crate [INFO] [stderr] 14: 0x7f8a27ef0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7f8a28a07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7f8a28a073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7f8a28a073a7 - >::call_once [INFO] [stderr] 18: 0x7f8a289ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7f8a289ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7f8a28b7127b - , 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: 0x7f8a28a5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7f8a288eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7f8a288eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7f8a288ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7f8a2248aaa4 - [INFO] [stderr] 26: 0x7f8a22517a64 - 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-2026-01-08T17_58_59-897.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 `confget` (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 confget --edition=2021 src/lib.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="ini-nom"' --cfg 'feature="ini-regex"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "ini-nom", "ini-regex"))' -C metadata=b26d49c398b6da93 -C extra-filename=-086f2a17e956f870 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-66ceed51f19b012f.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-853611eff079fd54.rmeta --extern encoding=/opt/rustwide/target/debug/deps/libencoding-1f0075c4625d9bd1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-cc6f61ea4b532133.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5ded690f79bbb512.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-6ba4dc8cb34345aa.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-520118696eb0b774.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-360d4a155308d60a.rmeta --extern rstest=/opt/rustwide/target/debug/deps/librstest-74803b859312d7e8.rmeta --extern shell_words=/opt/rustwide/target/debug/deps/libshell_words-2999c215d375848e.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-cc7f264c6a67cc47.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-1817354450b7afc6.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-a72493a60eb72784.rmeta --extern tracing_test=/opt/rustwide/target/debug/deps/libtracing_test-76918cebd48ae6e5.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "93c9668b892a3cfc2b3b65679e4f47a59b026f00c55055d91c6925558e7fe57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93c9668b892a3cfc2b3b65679e4f47a59b026f00c55055d91c6925558e7fe57a", kill_on_drop: false }` [INFO] [stdout] 93c9668b892a3cfc2b3b65679e4f47a59b026f00c55055d91c6925558e7fe57a