[INFO] cloning repository https://github.com/alexjbuck/verset [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexjbuck/verset" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexjbuck%2Fverset", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexjbuck%2Fverset'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a3c13602becb27f524f08682de480ca8128227e [INFO] checking alexjbuck/verset against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexjbuck%2Fverset" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/alexjbuck/verset [INFO] finished tweaking git repo https://github.com/alexjbuck/verset [INFO] tweaked toml for git repo https://github.com/alexjbuck/verset written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/alexjbuck/verset 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/alexjbuck/verset 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] fadd23c3f47efb25139072bedf12a6ddc0fe9f11ac6cea1045bf23ff5908b4bf [INFO] running `Command { std: "docker" "start" "-a" "fadd23c3f47efb25139072bedf12a6ddc0fe9f11ac6cea1045bf23ff5908b4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fadd23c3f47efb25139072bedf12a6ddc0fe9f11ac6cea1045bf23ff5908b4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fadd23c3f47efb25139072bedf12a6ddc0fe9f11ac6cea1045bf23ff5908b4bf", kill_on_drop: false }` [INFO] [stdout] fadd23c3f47efb25139072bedf12a6ddc0fe9f11ac6cea1045bf23ff5908b4bf [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] 21a3bc27c5f865d0c61af3f78089501d42d17f640a0654b0b236104509f3df22 [INFO] running `Command { std: "docker" "start" "-a" "21a3bc27c5f865d0c61af3f78089501d42d17f640a0654b0b236104509f3df22", kill_on_drop: false }` [INFO] [stderr] Checking hashbrown v0.15.3 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking console v0.15.11 [INFO] [stderr] Checking clap_builder v4.5.38 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking shell-words v1.1.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Checking sdd v3.0.8 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking uuid v1.17.0 [INFO] [stderr] Checking scc v2.3.4 [INFO] [stderr] Checking indicatif v0.17.11 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking dialoguer v0.11.0 [INFO] [stderr] Checking clap v4.5.38 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking toml_datetime v0.6.9 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking toml_edit v0.22.26 [INFO] [stderr] Checking toml v0.8.22 [INFO] [stderr] Checking verset v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (460) 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: tests/edge_cases_test.rs:5:1: 5:8 (#6), segments: [PathSegment { ident: #6, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(18), style: Outer, span: tests/edge_cases_test.rs:5:1: 5:8 (#6) } [INFO] [stderr] stack backtrace: [INFO] [stderr] [INFO] [stderr] thread 'rustc' (464) 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: tests/integration_test.rs:20:1: 20:8 (#6), segments: [PathSegment { ident: #6, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(7), style: Outer, span: tests/integration_test.rs:20:1: 20:8 (#6) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x75c7e3c2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x75c7e420fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x75c7e3c42226 - ::write_fmt [INFO] [stderr] 3: 0x75c7e3c01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x75c7e3c1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x75c7e2c0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x75c7e3c1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x75c7e3c01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x75c7e3bf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x75c7e3c0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x75c7e0838f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x75c7e4fe0110 - ::token_trees [INFO] [stderr] 12: 0x75c7e581c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x75c7e57e65d2 - ::expand_crate [INFO] [stderr] 14: 0x75c7e48f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x75c7e5407658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x75c7e54073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x75c7e54073a7 - >::call_once [INFO] [stderr] 18: 0x75c7e53ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x75c7e53ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x75c7e557127b - , 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: 0x75c7e545ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x75c7e52eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x75c7e52eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x75c7e52ed138 - ::new::thread_start [INFO] [stderr] 25: 0x75c7dee8aaa4 - [INFO] [stderr] 26: 0x75c7def17a64 - 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_58_51-451.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] [INFO] [stderr] thread 'rustc' (462) 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: tests/language_support_test.rs:11:1: 11:8 (#7), segments: [PathSegment { ident: #7, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(18), style: Outer, span: tests/language_support_test.rs:11:1: 11:8 (#7) } [INFO] [stderr] stack backtrace: [INFO] [stderr] #0 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] 0: 0x704e1a62bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x704e1ac0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x704e1a642226 - ::write_fmt [INFO] [stderr] 3: 0x704e1a601b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x704e1a61f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x704e1960236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x704e1a61fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x704e1a601c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x704e1a5f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x704e1a60372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x704e17238f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x704e1b9e0110 - ::token_trees [INFO] [stderr] 12: 0x704e1c21c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x704e1c1e65d2 - ::expand_crate [INFO] [stderr] 14: 0x704e1b2f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x704e1be07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x704e1be073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x704e1be073a7 - >::call_once [INFO] [stderr] 18: 0x704e1bdecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x704e1bdec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x704e1bf7127b - , 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: 0x704e1be5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x704e1bceac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x704e1bceaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x704e1bced138 - ::new::thread_start [INFO] [stderr] 25: 0x704e1588aaa4 - [INFO] [stderr] 26: 0x704e15917a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] error: could not compile `verset` (test "edge_cases_test") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name edge_cases_test --edition=2021 tests/edge_cases_test.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=3262879a144c3e64 -C extra-filename=-a96ecb97f1684df9 --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 chrono=/opt/rustwide/target/debug/deps/libchrono-f76cef83c2feabfb.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-234cbb6a96c28899.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-6e81ee6df29e140f.rmeta --extern dialoguer=/opt/rustwide/target/debug/deps/libdialoguer-1e2eff144000f618.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-5172333455edc701.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-526ce9ff08e007dc.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-ac8c6f10e5af06c2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-04acdb2488b92848.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e7dd0a8b550381a7.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-6a641d49149b95c8.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-f6e2e65af6f417f4.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-c68797bda309b33f.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-4d4c3adb2f31a8b4.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-8cf2c347a0abca9a.rmeta --extern verset=/opt/rustwide/target/debug/deps/libverset-24b7b5cfd45307e7.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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_58_51-454.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 `verset` (test "integration_test") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name integration_test --edition=2021 tests/integration_test.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=74ea27d232e9b80d -C extra-filename=-e62acfc98fa745a6 --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 chrono=/opt/rustwide/target/debug/deps/libchrono-f76cef83c2feabfb.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-234cbb6a96c28899.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-6e81ee6df29e140f.rmeta --extern dialoguer=/opt/rustwide/target/debug/deps/libdialoguer-1e2eff144000f618.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-5172333455edc701.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-526ce9ff08e007dc.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-ac8c6f10e5af06c2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-04acdb2488b92848.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e7dd0a8b550381a7.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-6a641d49149b95c8.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-f6e2e65af6f417f4.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-c68797bda309b33f.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-4d4c3adb2f31a8b4.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-8cf2c347a0abca9a.rmeta --extern verset=/opt/rustwide/target/debug/deps/libverset-24b7b5cfd45307e7.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] 0: 0x730edf42bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x730edfa0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x730edf442226 - ::write_fmt [INFO] [stderr] 3: 0x730edf401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x730edf41f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x730ede40236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x730edf41fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x730edf401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x730edf3f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x730edf40372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x730edc038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x730ee07e0110 - ::token_trees [INFO] [stderr] 12: 0x730ee101c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x730ee0fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x730ee00f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x730ee0c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x730ee0c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x730ee0c073a7 - >::call_once [INFO] [stderr] 18: 0x730ee0becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x730ee0bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x730ee0d7127b - , 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: 0x730ee0c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x730ee0aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x730ee0aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x730ee0aed138 - ::new::thread_start [INFO] [stderr] 25: 0x730eda68aaa4 - [INFO] [stderr] 26: 0x730eda717a64 - 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_58_51-452.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 `verset` (test "language_support_test") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name language_support_test --edition=2021 tests/language_support_test.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=3a85a3d3e39cdd45 -C extra-filename=-7e8a454db759219e --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 chrono=/opt/rustwide/target/debug/deps/libchrono-f76cef83c2feabfb.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-234cbb6a96c28899.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-6e81ee6df29e140f.rmeta --extern dialoguer=/opt/rustwide/target/debug/deps/libdialoguer-1e2eff144000f618.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-5172333455edc701.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-526ce9ff08e007dc.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-ac8c6f10e5af06c2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-04acdb2488b92848.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e7dd0a8b550381a7.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-6a641d49149b95c8.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-f6e2e65af6f417f4.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-c68797bda309b33f.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-4d4c3adb2f31a8b4.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-8cf2c347a0abca9a.rmeta --extern verset=/opt/rustwide/target/debug/deps/libverset-24b7b5cfd45307e7.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "21a3bc27c5f865d0c61af3f78089501d42d17f640a0654b0b236104509f3df22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21a3bc27c5f865d0c61af3f78089501d42d17f640a0654b0b236104509f3df22", kill_on_drop: false }` [INFO] [stdout] 21a3bc27c5f865d0c61af3f78089501d42d17f640a0654b0b236104509f3df22