[INFO] fetching crate extargsparse_worker 0.2.4... [INFO] checking extargsparse_worker-0.2.4 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate extargsparse_worker 0.2.4 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate extargsparse_worker 0.2.4 [INFO] finished tweaking crates.io crate extargsparse_worker 0.2.4 [INFO] tweaked toml for crates.io crate extargsparse_worker 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate extargsparse_worker 0.2.4 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 extargsparse_worker 0.2.4 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c29454f1783bace0fe731a11590387845b83094aaf01901c3fe4addf3d901519 [INFO] running `Command { std: "docker" "start" "-a" "c29454f1783bace0fe731a11590387845b83094aaf01901c3fe4addf3d901519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c29454f1783bace0fe731a11590387845b83094aaf01901c3fe4addf3d901519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c29454f1783bace0fe731a11590387845b83094aaf01901c3fe4addf3d901519", kill_on_drop: false }` [INFO] [stdout] c29454f1783bace0fe731a11590387845b83094aaf01901c3fe4addf3d901519 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c2b025b0318a06a131516b7874e059e1ba43104f1dd2f99f5b0db34d520237a8 [INFO] running `Command { std: "docker" "start" "-a" "c2b025b0318a06a131516b7874e059e1ba43104f1dd2f99f5b0db34d520237a8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling iana-time-zone v0.1.63 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling extargsparse_codegen v0.1.4 [INFO] [stderr] Checking extargsparse_worker v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `extargs_error_class` and `extargs_new_error` [INFO] [stdout] --> src/key.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | use super::{extargs_error_class,extargs_new_error}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `extargs_error_class` and `extargs_new_error` [INFO] [stdout] --> src/options.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | use super::{extargs_error_class,extargs_new_error}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `extargs_error_class` and `extargs_new_error` [INFO] [stdout] --> src/namespace.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | use super::{extargs_error_class,extargs_new_error}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `extargs_error_class` and `extargs_new_error` [INFO] [stdout] --> src/parser_state.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | use super::{extargs_error_class,extargs_new_error,extargs_assert,extargs_log_info,extargs_log_trace}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `extargs_error_class` and `extargs_new_error` [INFO] [stdout] --> src/parser.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | use super::{extargs_error_class,extargs_new_error}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (689) 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:2296:1: 2296:8 (#4857), segments: [PathSegment { ident: #4857, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(1258), style: Outer, span: src/tests.rs:2296:1: 2296:8 (#4857) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x718f51c2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x718f5220fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x718f51c42226 - ::write_fmt [INFO] [stderr] 3: 0x718f51c01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x718f51c1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x718f50c0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x718f51c1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x718f51c01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x718f51bf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x718f51c0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x718f4e838f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x718f52fe0110 - ::token_trees [INFO] [stderr] 12: 0x718f5381c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x718f537e65d2 - ::expand_crate [INFO] [stderr] 14: 0x718f528f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x718f53407658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x718f534073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x718f534073a7 - >::call_once [INFO] [stderr] 18: 0x718f533ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x718f533ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x718f5357127b - , 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: 0x718f5345ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x718f532eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x718f532eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x718f532ed138 - ::new::thread_start [INFO] [stderr] 25: 0x718f4ce8aaa4 - [INFO] [stderr] 26: 0x718f4cf17a64 - 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-2026-01-08T19_04_27-684.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 `extargsparse_worker` (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 extargsparse_worker --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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=6d0da0c890a80770 -C extra-filename=-75c088f07ee2335b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-251ec8b7cd636bb1.rmeta --extern extargsparse_codegen=/opt/rustwide/target/debug/deps/libextargsparse_codegen-017ef660733b156d.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cb8ca6aa8c56979f.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-64ecdf78645bfabc.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-95c1c0d0fd3e50c0.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-ac8215ad1494e91d.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/key.rs:1687:3 [INFO] [stdout] | [INFO] [stdout] 1687 | flagmode = flagmode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c2b025b0318a06a131516b7874e059e1ba43104f1dd2f99f5b0db34d520237a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2b025b0318a06a131516b7874e059e1ba43104f1dd2f99f5b0db34d520237a8", kill_on_drop: false }` [INFO] [stdout] c2b025b0318a06a131516b7874e059e1ba43104f1dd2f99f5b0db34d520237a8