[INFO] cloning repository https://github.com/akitorahayashi/mix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akitorahayashi/mix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitorahayashi%2Fmix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitorahayashi%2Fmix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca2441ab0eab3c6b02cfdc032842521b69fece70 [INFO] checking akitorahayashi/mix against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitorahayashi%2Fmix" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/akitorahayashi/mix [INFO] finished tweaking git repo https://github.com/akitorahayashi/mix [INFO] tweaked toml for git repo https://github.com/akitorahayashi/mix written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/akitorahayashi/mix 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 git repo https://github.com/akitorahayashi/mix 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] b9819134c4f89e3a8578da779952f1fa128b44f51c3aa22763fbc5ba9f5ad2a1 [INFO] running `Command { std: "docker" "start" "-a" "b9819134c4f89e3a8578da779952f1fa128b44f51c3aa22763fbc5ba9f5ad2a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9819134c4f89e3a8578da779952f1fa128b44f51c3aa22763fbc5ba9f5ad2a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9819134c4f89e3a8578da779952f1fa128b44f51c3aa22763fbc5ba9f5ad2a1", kill_on_drop: false }` [INFO] [stdout] b9819134c4f89e3a8578da779952f1fa128b44f51c3aa22763fbc5ba9f5ad2a1 [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] 54ab86ebfbd0c9e702ef1843036b67355b50706c42d9bf8d5391fad8bce45c6b [INFO] running `Command { std: "docker" "start" "-a" "54ab86ebfbd0c9e702ef1843036b67355b50706c42d9bf8d5391fad8bce45c6b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.102 [INFO] [stderr] Compiling unicode-ident v1.0.20 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking float-cmp v0.10.0 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling assert_cmd v2.0.17 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking rustix v1.1.2 [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Checking clap_builder v4.5.50 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking clap v4.5.50 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking mx v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (520) 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/commands/cat.rs:54:5: 54:12 (#27), segments: [PathSegment { ident: #27, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(128), style: Outer, span: src/commands/cat.rs:54:5: 54:12 (#27) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7deb4f42bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7deb4fa0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7deb4f442226 - ::write_fmt [INFO] [stderr] 3: 0x7deb4f401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7deb4f41f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7deb4e40236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7deb4f41fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7deb4f401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7deb4f3f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7deb4f40372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7deb4c038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7deb507e0110 - ::token_trees [INFO] [stderr] 12: 0x7deb5101c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7deb50fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x7deb500f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7deb50c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7deb50c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7deb50c073a7 - >::call_once [INFO] [stderr] 18: 0x7deb50becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7deb50bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7deb50d7127b - , 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: 0x7deb50c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7deb50aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7deb50aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7deb50aed138 - ::new::thread_start [INFO] [stderr] 25: 0x7deb4a68aaa4 - [INFO] [stderr] 26: 0x7deb4a717a64 - 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-2026-01-09T08_50_48-517.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 `mx` (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 mx --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=4a03d19b9a4671c4 -C extra-filename=-101be1ea8fe1371a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-7582f433af99d03d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-54a5df01a5982471.rmeta --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-2f868e9b5ce0085d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ce031932216c6d1f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71f1edc9740367a9.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-ab5af41bbb6fbf2e.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-dd2d2cf106d65554.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-1278d11b181efceb.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "54ab86ebfbd0c9e702ef1843036b67355b50706c42d9bf8d5391fad8bce45c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54ab86ebfbd0c9e702ef1843036b67355b50706c42d9bf8d5391fad8bce45c6b", kill_on_drop: false }` [INFO] [stdout] 54ab86ebfbd0c9e702ef1843036b67355b50706c42d9bf8d5391fad8bce45c6b