[INFO] fetching crate tachyon-networking 0.1.7... [INFO] checking tachyon-networking-0.1.7 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate tachyon-networking 0.1.7 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate tachyon-networking 0.1.7 [INFO] finished tweaking crates.io crate tachyon-networking 0.1.7 [INFO] tweaked toml for crates.io crate tachyon-networking 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tachyon-networking 0.1.7 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.1.1) [INFO] [stderr] Adding serial_test v0.5.1 (available: v3.3.1) [INFO] [stderr] Adding socket2 v0.4.10 (available: v0.6.1) [INFO] [stderr] Adding varuint v0.6.0 (available: v0.7.1) [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] f2acd34de242fbe184211406c6e9d7660d9f682fe483a2ee27f27873641d6cde [INFO] running `Command { std: "docker" "start" "-a" "f2acd34de242fbe184211406c6e9d7660d9f682fe483a2ee27f27873641d6cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2acd34de242fbe184211406c6e9d7660d9f682fe483a2ee27f27873641d6cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2acd34de242fbe184211406c6e9d7660d9f682fe483a2ee27f27873641d6cde", kill_on_drop: false }` [INFO] [stdout] f2acd34de242fbe184211406c6e9d7660d9f682fe483a2ee27f27873641d6cde [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] 8767d6939af4de31ef4ee7899a9cd1b2814ccb5f9be57f3a72c5961b74be3230 [INFO] running `Command { std: "docker" "start" "-a" "8767d6939af4de31ef4ee7899a9cd1b2814ccb5f9be57f3a72c5961b74be3230", kill_on_drop: false }` [INFO] [stderr] Checking varuint v0.6.0 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking synchronoise v1.0.1 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stderr] Checking tachyon-networking v0.1.7 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (92) 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/tachyon.rs:619:5: 619:12 (#446), segments: [PathSegment { ident: #446, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(380), style: Outer, span: src/tachyon.rs:619:5: 619:12 (#446) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7be22f82bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7be22fe0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7be22f842226 - ::write_fmt [INFO] [stderr] 3: 0x7be22f801b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7be22f81f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7be22e80236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7be22f81fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7be22f801c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7be22f7f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7be22f80372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7be22c438f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7be230be0110 - ::token_trees [INFO] [stderr] 12: 0x7be23141c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7be2313e65d2 - ::expand_crate [INFO] [stderr] 14: 0x7be2304f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7be231007658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7be2310073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7be2310073a7 - >::call_once [INFO] [stderr] 18: 0x7be230fecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7be230fec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7be23117127b - , 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: 0x7be23105ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7be230eeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7be230eeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7be230eed138 - ::new::thread_start [INFO] [stderr] 25: 0x7be22aa8aaa4 - [INFO] [stderr] 26: 0x7be22ab17a64 - 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-2026-01-08T23_35_05-87.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 `tachyon-networking` (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 tachyon --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=7966600e17821f1b -C extra-filename=-86a4c315361b3d3b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4cd519e21f20a39e.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-3f7e59e525cb5b67.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-19d8839a7b082c36.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-f07a5d1cfcb2a055.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-59ad630e9e58123f.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-3cdd70505fe51f33.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-a9d4fe4dd9dff609.rmeta --extern synchronoise=/opt/rustwide/target/debug/deps/libsynchronoise-1d0e45a1bb939855.rmeta --extern varuint=/opt/rustwide/target/debug/deps/libvaruint-f2fa56effb43a3ef.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/tachyon/channel.rs:128:31 [INFO] [stdout] | [INFO] [stdout] 128 | header.write(unsafe { &mut NONE_SEND_DATA }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 128 | header.write(unsafe { &raw mut NONE_SEND_DATA }); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/tachyon/channel.rs:333:70 [INFO] [stdout] | [INFO] [stdout] 333 | let _sent_len = socket.send_to(*address,unsafe { &NONE_SEND_DATA },TACHYON_HEADER_SIZE); [INFO] [stdout] | ^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 333 | let _sent_len = socket.send_to(*address,unsafe { &raw const NONE_SEND_DATA },TACHYON_HEADER_SIZE); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `finish` that must be used [INFO] [stdout] --> src/tachyon/network_address.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | hasher.finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = hasher.finish(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tachyon/pool.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | queue.push(VecDeque::new()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = queue.push(VecDeque::new()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tachyon/pool.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | receive_buffers.push(vec![0; 1024 * 1024]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = receive_buffers.push(vec![0; 1024 * 1024]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tachyon/pool.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | in_use.push(server); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 159 | let _ = in_use.push(server); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tachyon/pool.rs:184:25 [INFO] [stdout] | [INFO] [stdout] 184 | in_use.push(server); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 184 | let _ = in_use.push(server); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8767d6939af4de31ef4ee7899a9cd1b2814ccb5f9be57f3a72c5961b74be3230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8767d6939af4de31ef4ee7899a9cd1b2814ccb5f9be57f3a72c5961b74be3230", kill_on_drop: false }` [INFO] [stdout] 8767d6939af4de31ef4ee7899a9cd1b2814ccb5f9be57f3a72c5961b74be3230