[INFO] fetching crate narrow 0.15.1... [INFO] checking narrow-0.15.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate narrow 0.15.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate narrow 0.15.1 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate narrow 0.15.1 [INFO] tweaked toml for crates.io crate narrow 0.15.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate narrow 0.15.1 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 narrow 0.15.1 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-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] bc45a56e17573c25818990f9a4b0602b32e92247438da2ee10a001f4762b0fd9 [INFO] running `Command { std: "docker" "start" "-a" "bc45a56e17573c25818990f9a4b0602b32e92247438da2ee10a001f4762b0fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc45a56e17573c25818990f9a4b0602b32e92247438da2ee10a001f4762b0fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc45a56e17573c25818990f9a4b0602b32e92247438da2ee10a001f4762b0fd9", kill_on_drop: false }` [INFO] [stdout] bc45a56e17573c25818990f9a4b0602b32e92247438da2ee10a001f4762b0fd9 [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] e207efe81e3cdb07d1602a2ca87cf036b83f5de2313330c49d57f1d256a63add [INFO] running `Command { std: "docker" "start" "-a" "e207efe81e3cdb07d1602a2ca87cf036b83f5de2313330c49d57f1d256a63add", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_core v1.0.225 [INFO] [stderr] Checking zerocopy v0.7.31 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking arrow-schema v57.0.0 [INFO] [stderr] Checking iana-time-zone v0.1.58 [INFO] [stderr] Checking lexical-util v1.0.3 [INFO] [stderr] Compiling serde v1.0.225 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling zerocopy v0.8.14 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking clap_builder v4.5.38 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking base64 v0.22.0 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Checking twox-hash v2.1.0 [INFO] [stderr] Checking lexical-parse-integer v1.0.2 [INFO] [stderr] Checking lexical-write-integer v1.0.2 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking uuid v1.18.1 [INFO] [stderr] Checking lexical-parse-float v1.0.2 [INFO] [stderr] Checking narrow v0.15.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.109 [INFO] [stderr] Checking lexical-write-float v1.0.2 [INFO] [stderr] Compiling flatbuffers v25.2.10 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking lexical-core v1.0.2 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking half v2.3.1 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking ordered-float v2.10.1 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Checking rand_core v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking thrift v0.17.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking clap v4.5.38 [INFO] [stderr] Checking arrow-buffer v57.0.0 [INFO] [stderr] Compiling serde_derive v1.0.225 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Checking arrow-data v57.0.0 [INFO] [stderr] Checking arrow-array v57.0.0 [INFO] [stderr] Checking comfy-table v7.1.2 [INFO] [stderr] Checking arrow-select v57.0.0 [INFO] [stderr] Checking arrow-ipc v57.0.0 [INFO] [stderr] Checking arrow-cast v57.0.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] Checking parquet v57.0.0 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (973) 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/array/union.rs:530:5: 530:12 (#590), segments: [PathSegment { ident: #590, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(1337), style: Outer, span: src/array/union.rs:530:5: 530:12 (#590) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7194cee2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7194cf40fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7194cee42226 - ::write_fmt [INFO] [stderr] 3: 0x7194cee01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7194cee1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7194cde0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7194cee1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7194cee01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7194cedf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7194cee0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7194cba38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7194d01e0110 - ::token_trees [INFO] [stderr] 12: 0x7194d0a1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7194d09e65d2 - ::expand_crate [INFO] [stderr] 14: 0x7194cfaf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7194d0607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7194d06073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7194d06073a7 - >::call_once [INFO] [stderr] 18: 0x7194d05ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7194d05ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7194d077127b - , 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: 0x7194d065ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7194d04eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7194d04eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7194d04ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7194ca08aaa4 - [INFO] [stderr] 26: 0x7194ca117a64 - 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-2026-01-08T21_07_02-970.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 `narrow` (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 narrow --edition=2024 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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arrow-rs", "chrono", "default", "derive", "map", "uuid"))' -C metadata=b9fae3fb066272c6 -C extra-filename=-514f66890e671eeb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrow_cast=/opt/rustwide/target/debug/deps/libarrow_cast-e076f2186448b80d.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-696d9749778e1593.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-fe2807e3382bd774.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-12e24971dad9da2c.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-585a9fca84a3ffc3.rmeta --extern parquet=/opt/rustwide/target/debug/deps/libparquet-00e2ac674258d964.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5ada7343c128ff58.rmeta --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-5a027c01becb027b.so --extern uuid=/opt/rustwide/target/debug/deps/libuuid-5c8aec686cdfd897.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "e207efe81e3cdb07d1602a2ca87cf036b83f5de2313330c49d57f1d256a63add", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e207efe81e3cdb07d1602a2ca87cf036b83f5de2313330c49d57f1d256a63add", kill_on_drop: false }` [INFO] [stdout] e207efe81e3cdb07d1602a2ca87cf036b83f5de2313330c49d57f1d256a63add