[INFO] fetching crate prmt 0.2.4... [INFO] checking prmt-0.2.4 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate prmt 0.2.4 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate prmt 0.2.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate prmt 0.2.4 [INFO] tweaked toml for crates.io crate prmt 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate prmt 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 prmt 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] e4717d2875b174dac25aef892a47c686045e8ed22d42a18e6766182d66357492 [INFO] running `Command { std: "docker" "start" "-a" "e4717d2875b174dac25aef892a47c686045e8ed22d42a18e6766182d66357492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4717d2875b174dac25aef892a47c686045e8ed22d42a18e6766182d66357492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4717d2875b174dac25aef892a47c686045e8ed22d42a18e6766182d66357492", kill_on_drop: false }` [INFO] [stdout] e4717d2875b174dac25aef892a47c686045e8ed22d42a18e6766182d66357492 [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] 1b8b040dc7b45106ec5de7614479f5ebd1d0e0fff78aebd7ce4a10a59b7267da [INFO] running `Command { std: "docker" "start" "-a" "1b8b040dc7b45106ec5de7614479f5ebd1d0e0fff78aebd7ce4a10a59b7267da", kill_on_drop: false }` [INFO] [stderr] Checking gix-trace v0.1.15 [INFO] [stderr] Checking home v0.5.12 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking unicode-normalization v0.1.25 [INFO] [stderr] Checking libz-rs-sys v0.5.2 [INFO] [stderr] Compiling generic-array v0.14.9 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling syn v2.0.109 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking winnow v0.7.13 [INFO] [stderr] Checking jiff v0.2.16 [INFO] [stderr] Checking memmap2 v0.9.9 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Checking hashbrown v0.16.0 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking unicode-bom v2.0.3 [INFO] [stderr] Checking kstring v2.0.2 [INFO] [stderr] Checking gix-sec v0.12.2 [INFO] [stderr] Checking filetime v0.2.26 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking dashmap v6.1.0 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Checking imara-diff v0.1.8 [INFO] [stderr] Checking clru v0.6.2 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking prodash v30.0.1 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking dirs-sys v0.5.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking toml_datetime v0.7.3 [INFO] [stderr] Checking serde_spanned v1.0.3 [INFO] [stderr] Checking clap_builder v4.5.51 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking dirs v6.0.0 [INFO] [stderr] Checking is-terminal v0.4.17 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking lexopt v0.3.1 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking faster-hex v0.10.0 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking sha1-checked v0.10.0 [INFO] [stderr] Checking toml_parser v1.0.4 [INFO] [stderr] Checking bstr v1.12.1 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking toml v0.9.8 [INFO] [stderr] Checking clap v4.5.51 [INFO] [stderr] Checking gix-utils v0.3.1 [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 synstructure v0.13.2 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [INFO] [stderr] Compiling zerovec-derive v0.11.2 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling zerocopy-derive v0.8.27 [INFO] [stderr] Compiling maybe-async v0.2.10 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking zerovec v0.11.5 [INFO] [stderr] Checking zerotrie v0.2.3 [INFO] [stderr] Checking gix-validate v0.10.1 [INFO] [stderr] Checking gix-date v0.10.7 [INFO] [stderr] Checking gix-chunk v0.4.12 [INFO] [stderr] Checking gix-quote v0.6.1 [INFO] [stderr] Checking gix-bitmap v0.2.15 [INFO] [stderr] Checking gix-packetline-blocking v0.19.3 [INFO] [stderr] Checking gix-packetline v0.19.3 [INFO] [stderr] Checking gix-actor v0.35.6 [INFO] [stderr] Checking gix-path v0.10.21 [INFO] [stderr] Checking gix-features v0.44.1 [INFO] [stderr] Checking gix-config-value v0.15.3 [INFO] [stderr] Checking gix-command v0.6.3 [INFO] [stderr] Checking tinystr v0.8.2 [INFO] [stderr] Checking potential_utf v0.1.4 [INFO] [stderr] Checking icu_collections v2.1.1 [INFO] [stderr] Checking icu_locale_core v2.1.1 [INFO] [stderr] Checking gix-hash v0.20.1 [INFO] [stderr] Checking gix-fs v0.17.0 [INFO] [stderr] Checking gix-glob v0.22.1 [INFO] [stderr] Checking gix-hashtable v0.10.0 [INFO] [stderr] Checking gix-commitgraph v0.30.1 [INFO] [stderr] Checking gix-object v0.51.1 [INFO] [stderr] Checking gix-tempfile v19.0.1 [INFO] [stderr] Checking icu_provider v2.1.1 [INFO] [stderr] Checking icu_properties v2.1.1 [INFO] [stderr] Checking icu_normalizer v2.1.1 [INFO] [stderr] Checking gix-attributes v0.28.1 [INFO] [stderr] Checking gix-ignore v0.17.1 [INFO] [stderr] Checking gix-lock v19.0.0 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking gix-shallow v0.6.0 [INFO] [stderr] Checking gix-pathspec v0.13.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking gix-revwalk v0.22.0 [INFO] [stderr] Checking gix-ref v0.54.1 [INFO] [stderr] Checking gix-filter v0.21.0 [INFO] [stderr] Checking gix-pack v0.61.1 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking gix-traverse v0.48.0 [INFO] [stderr] Checking gix-revision v0.36.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking gix-refspec v0.32.0 [INFO] [stderr] Checking gix-index v0.42.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking gix-odb v0.71.1 [INFO] [stderr] Checking gix-discover v0.42.0 [INFO] [stderr] Checking gix-config v0.47.1 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] Checking gix-worktree v0.43.1 [INFO] [stderr] Checking gix-url v0.33.1 [INFO] [stderr] Checking gix-dir v0.16.0 [INFO] [stderr] Checking gix-diff v0.54.1 [INFO] [stderr] Checking gix-transport v0.49.1 [INFO] [stderr] Checking gix-submodule v0.21.0 [INFO] [stderr] Checking gix-protocol v0.52.1 [INFO] [stderr] Checking gix-status v0.21.1 [INFO] [stderr] Checking gix v0.74.1 [INFO] [stderr] Checking prmt v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1165) 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/detector.rs:112:5: 112:12 (#43), segments: [PathSegment { ident: #43, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(147), style: Outer, span: src/detector.rs:112:5: 112:12 (#43) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x734b1982bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x734b19e0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x734b19842226 - ::write_fmt [INFO] [stderr] 3: 0x734b19801b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x734b1981f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x734b1880236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x734b1981fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x734b19801c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x734b197f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x734b1980372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x734b16438f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x734b1abe0110 - ::token_trees [INFO] [stderr] 12: 0x734b1b41c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x734b1b3e65d2 - ::expand_crate [INFO] [stderr] 14: 0x734b1a4f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x734b1b007658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x734b1b0073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x734b1b0073a7 - >::call_once [INFO] [stderr] 18: 0x734b1afecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x734b1afec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x734b1b17127b - , 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: 0x734b1b05ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x734b1aeeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x734b1aeeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x734b1aeed138 - ::new::thread_start [INFO] [stderr] 25: 0x734b14a8aaa4 - [INFO] [stderr] 26: 0x734b14b17a64 - 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_38_16-1159.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 `prmt` (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 prmt --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"' --cfg 'feature="git-gix"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "git-gix"))' -C metadata=ddcf620e2bc838d4 -C extra-filename=-54388ff09d869034 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c85988d0561b2741.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-02f1affe16fdc919.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-bd6583cb57fcb999.rmeta --extern gix=/opt/rustwide/target/debug/deps/libgix-fcd911f19830d9ad.rmeta --extern is_terminal=/opt/rustwide/target/debug/deps/libis_terminal-acffaa69096301a8.rmeta --extern lexopt=/opt/rustwide/target/debug/deps/liblexopt-d4f20d5599bd40aa.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f5a911f2dad390d7.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-7c3b23e851763d6f.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2ad934dc7da92e31.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fb6516aef18bfc43.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-9bc1f9e791962f8f.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-12c2ee24989af893.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-16137e78c421f8da.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-13f6f8671b4691ac.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-831b79c958a0d7a0.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1b8b040dc7b45106ec5de7614479f5ebd1d0e0fff78aebd7ce4a10a59b7267da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b8b040dc7b45106ec5de7614479f5ebd1d0e0fff78aebd7ce4a10a59b7267da", kill_on_drop: false }` [INFO] [stdout] 1b8b040dc7b45106ec5de7614479f5ebd1d0e0fff78aebd7ce4a10a59b7267da