[INFO] cloning repository https://github.com/chuckjaz/mem_fuse [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chuckjaz/mem_fuse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchuckjaz%2Fmem_fuse", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchuckjaz%2Fmem_fuse'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93d21272307bfc4a69f96d6f426d776f9b36cb25 [INFO] checking chuckjaz/mem_fuse against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchuckjaz%2Fmem_fuse" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chuckjaz/mem_fuse [INFO] finished tweaking git repo https://github.com/chuckjaz/mem_fuse [INFO] tweaked toml for git repo https://github.com/chuckjaz/mem_fuse written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chuckjaz/mem_fuse 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/chuckjaz/mem_fuse 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7323dd706f88f1d661bbe2c1c12431f99794ab7e457ade9dc2885cd10a06d362 [INFO] running `Command { std: "docker" "start" "-a" "7323dd706f88f1d661bbe2c1c12431f99794ab7e457ade9dc2885cd10a06d362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7323dd706f88f1d661bbe2c1c12431f99794ab7e457ade9dc2885cd10a06d362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7323dd706f88f1d661bbe2c1c12431f99794ab7e457ade9dc2885cd10a06d362", kill_on_drop: false }` [INFO] [stdout] 7323dd706f88f1d661bbe2c1c12431f99794ab7e457ade9dc2885cd10a06d362 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bf9dafd01fcd2e7ffaa79603862aae2d721377ee22a494938ee29e0e10cfef4f [INFO] running `Command { std: "docker" "start" "-a" "bf9dafd01fcd2e7ffaa79603862aae2d721377ee22a494938ee29e0e10cfef4f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.97 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling cc v1.2.32 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Compiling hashbrown v0.15.5 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking indexmap v2.10.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling winnow v0.7.13 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Checking anstream v0.6.20 [INFO] [stderr] Compiling fuser v0.15.1 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking jiff v0.2.15 [INFO] [stderr] Checking lru v0.12.5 [INFO] [stderr] Checking clap_builder v4.5.44 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.105 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling toml_edit v0.22.27 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking page_size v0.6.0 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Compiling proc-macro-crate v3.3.0 [INFO] [stderr] Checking env_logger v0.11.8 [INFO] [stderr] Compiling ntest_test_cases v0.9.3 [INFO] [stderr] Compiling ntest_timeout v0.9.3 [INFO] [stderr] Checking ntest v0.9.3 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling zerocopy-derive v0.8.26 [INFO] [stderr] Compiling clap_derive v4.5.45 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.4 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking clap v4.5.45 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking reqwest v0.12.23 [INFO] [stderr] Checking mem_fuse v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1171) 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/tests/mirror_tests.rs:29:1: 29:8 (#461), segments: [PathSegment { ident: #461, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(370), style: Outer, span: src/tests/mirror_tests.rs:29:1: 29:8 (#461) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x75a2e782bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x75a2e7e0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x75a2e7842226 - ::write_fmt [INFO] [stderr] 3: 0x75a2e7801b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x75a2e781f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x75a2e680236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x75a2e781fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x75a2e7801c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x75a2e77f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x75a2e780372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x75a2e4438f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x75a2e8be0110 - ::token_trees [INFO] [stderr] 12: 0x75a2e941c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x75a2e93e65d2 - ::expand_crate [INFO] [stderr] 14: 0x75a2e84f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x75a2e9007658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x75a2e90073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x75a2e90073a7 - >::call_once [INFO] [stderr] 18: 0x75a2e8fecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x75a2e8fec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x75a2e917127b - , 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: 0x75a2e905ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x75a2e8eeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x75a2e8eeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x75a2e8eed138 - ::new::thread_start [INFO] [stderr] 25: 0x75a2e2a8aaa4 - [INFO] [stderr] 26: 0x75a2e2b17a64 - 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-2026-01-09T11_10_56-1167.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 `mem_fuse` (bin "mem_fuse" test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name mem_fuse --edition=2024 src/main.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=22adfa96ce630438 -C extra-filename=-21101e683942a4d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-696d9749778e1593.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-a8751896ef3843c3.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-eaccfdfc2457dc8f.rmeta --extern fuser=/opt/rustwide/target/debug/deps/libfuser-cc48746128d8e74a.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-3de57dafff8aa7ad.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-76bfe02cd684a46f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-9dd860993e8ea465.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-a23597f79c07066a.rmeta --extern ntest=/opt/rustwide/target/debug/deps/libntest-7fb9d8a046a987b8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-b73e99ec45260366.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-467a050142e57f8d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1948db1a10bf3606.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-e70f2313eb51ebad.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4b3dd38557bb266e.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-b868524e8e09667b.rmeta --extern users=/opt/rustwide/target/debug/deps/libusers-a61a8b8587b08cb8.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bf9dafd01fcd2e7ffaa79603862aae2d721377ee22a494938ee29e0e10cfef4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf9dafd01fcd2e7ffaa79603862aae2d721377ee22a494938ee29e0e10cfef4f", kill_on_drop: false }` [INFO] [stdout] bf9dafd01fcd2e7ffaa79603862aae2d721377ee22a494938ee29e0e10cfef4f