[INFO] fetching crate mucm 0.3.1... [INFO] checking mucm-0.3.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate mucm 0.3.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mucm 0.3.1 [INFO] finished tweaking crates.io crate mucm 0.3.1 [INFO] tweaked toml for crates.io crate mucm 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mucm 0.3.1 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 mucm 0.3.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2e53c90ee8c93c3b29438624bdaea3bfd97d09e8df9e6f593cad9737acf9f2df [INFO] running `Command { std: "docker" "start" "-a" "2e53c90ee8c93c3b29438624bdaea3bfd97d09e8df9e6f593cad9737acf9f2df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e53c90ee8c93c3b29438624bdaea3bfd97d09e8df9e6f593cad9737acf9f2df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e53c90ee8c93c3b29438624bdaea3bfd97d09e8df9e6f593cad9737acf9f2df", kill_on_drop: false }` [INFO] [stdout] 2e53c90ee8c93c3b29438624bdaea3bfd97d09e8df9e6f593cad9737acf9f2df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 72b022f9fb431f70caca49ab70c7ccc0beb7f6f88dbed405281a725b76a2104b [INFO] running `Command { std: "docker" "start" "-a" "72b022f9fb431f70caca49ab70c7ccc0beb7f6f88dbed405281a725b76a2104b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling signal-hook v0.3.18 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling convert_case v0.10.0 [INFO] [stderr] Checking signal-hook-registry v1.4.7 [INFO] [stderr] Checking anstyle-query v1.1.5 [INFO] [stderr] Compiling zerocopy v0.8.31 [INFO] [stderr] Checking is_terminal_polyfill v1.70.2 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Compiling libsqlite3-sys v0.35.0 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking mio v1.1.1 [INFO] [stderr] Checking clap_lex v0.7.6 [INFO] [stderr] Compiling litrs v1.0.0 [INFO] [stderr] Compiling pest v2.8.4 [INFO] [stderr] Checking clap_builder v4.5.53 [INFO] [stderr] Checking signal-hook-mio v0.2.5 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Compiling document-features v0.2.12 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking winnow v0.7.14 [INFO] [stderr] Checking num-modular v0.6.1 [INFO] [stderr] Checking unicode-width v0.2.2 [INFO] [stderr] Compiling pest_meta v2.8.4 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking num-order v1.2.0 [INFO] [stderr] Checking dirs-sys v0.5.0 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking hashlink v0.10.0 [INFO] [stderr] Checking serde_spanned v1.0.3 [INFO] [stderr] Checking toml_datetime v0.7.3 [INFO] [stderr] Compiling include_dir_macros v0.7.4 [INFO] [stderr] Checking toml_writer v1.0.4 [INFO] [stderr] Checking iana-time-zone v0.1.64 [INFO] [stderr] Checking toml_parser v1.0.4 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking fallible-iterator v0.3.0 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling pest_generator v2.8.4 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking toml v0.9.8 [INFO] [stderr] Checking include_dir v0.7.4 [INFO] [stderr] Checking directories v6.0.0 [INFO] [stderr] Checking console v0.16.1 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking float-cmp v0.10.0 [INFO] [stderr] Compiling assert_cmd v2.1.1 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking colored v3.0.0 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking bstr v1.12.1 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling zerocopy-derive v0.8.31 [INFO] [stderr] Compiling derive_more-impl v2.1.0 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Checking derive_more v2.1.0 [INFO] [stderr] Compiling pest_derive v2.8.4 [INFO] [stderr] Checking crossterm v0.29.0 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking inquire v0.9.1 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling derive_builder_core v0.20.2 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Compiling derive_builder_macro v0.20.2 [INFO] [stderr] Checking derive_builder v0.20.2 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking handlebars v6.3.2 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] Checking rusqlite v0.37.0 [INFO] [stderr] Checking mucm v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1002) 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/cli/interactive/tests.rs:42:5: 42:12 (#1077), segments: [PathSegment { ident: #1077, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(7055), style: Outer, span: src/cli/interactive/tests.rs:42:5: 42:12 (#1077) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7a41a2a2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7a41a300fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7a41a2a42226 - ::write_fmt [INFO] [stderr] 3: 0x7a41a2a01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7a41a2a1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7a41a1a0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7a41a2a1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7a41a2a01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7a41a29f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7a41a2a0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7a419f638f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7a41a3de0110 - ::token_trees [INFO] [stderr] 12: 0x7a41a461c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7a41a45e65d2 - ::expand_crate [INFO] [stderr] 14: 0x7a41a36f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7a41a4207658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7a41a42073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7a41a42073a7 - >::call_once [INFO] [stderr] 18: 0x7a41a41ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7a41a41ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7a41a437127b - , 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: 0x7a41a425ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7a41a40eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7a41a40eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7a41a40ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7a419dc8aaa4 - [INFO] [stderr] 26: 0x7a419dd17a64 - 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_45_36-998.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 `mucm` (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 mucm --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=78f5e2586177d890 -C extra-filename=-85ef05c4f1e89279 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-5cf73cd768c5f646.rmeta --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-6d424e2c7d5886ac.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-e1e4b444020975ee.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-725e678b739832d5.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-9f883aca25bb3b22.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-f57ccefb7e394d03.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-25fb787fa51beb86.rmeta --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-32b48839f52f00d6.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-9bee2cc1898047aa.rmeta --extern handlebars=/opt/rustwide/target/debug/deps/libhandlebars-068121c58601f418.rmeta --extern include_dir=/opt/rustwide/target/debug/deps/libinclude_dir-8bd4c3ea311caa9c.rmeta --extern inquire=/opt/rustwide/target/debug/deps/libinquire-31527a7eea07c42b.rmeta --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-f5637f90bc934dfb.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fb6516aef18bfc43.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-52300030a10611c2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-683477b8e77eab29.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-936e908ecaf7f7c0.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-8eeacdc85992e9b7.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-331edc8c5507ea26.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-8c31d374a9bd4d24.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9eb89c55289bf621.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-b721c15d54c0d474.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-1278d11b181efceb.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/libsqlite3-sys-8dbd3c8223389ccc/out` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "72b022f9fb431f70caca49ab70c7ccc0beb7f6f88dbed405281a725b76a2104b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72b022f9fb431f70caca49ab70c7ccc0beb7f6f88dbed405281a725b76a2104b", kill_on_drop: false }` [INFO] [stdout] 72b022f9fb431f70caca49ab70c7ccc0beb7f6f88dbed405281a725b76a2104b