[INFO] fetching crate cml-chain 6.2.0... [INFO] checking cml-chain-6.2.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate cml-chain 6.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate cml-chain 6.2.0 [INFO] finished tweaking crates.io crate cml-chain 6.2.0 [INFO] tweaked toml for crates.io crate cml-chain 6.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cml-chain 6.2.0 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 102 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding bech32 v0.7.3 (available: v0.11.1) [INFO] [stderr] Adding flaky_test v0.1.0 (available: v0.2.2) [INFO] [stderr] Adding fraction v0.10.0 (available: v0.15.3) [INFO] [stderr] Adding getrandom v0.2.16 (available: v0.3.4) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.14.0) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.9.1 (available: v1.1.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rand_chacha v0.3.1 (available: v0.9.0) [INFO] [stderr] Adding schemars v0.8.22 (available: v1.2.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3ca0eb63e8bac25c93d60f104abca14182c5b48d694898c165d0e4bc14e106e3 [INFO] running `Command { std: "docker" "start" "-a" "3ca0eb63e8bac25c93d60f104abca14182c5b48d694898c165d0e4bc14e106e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ca0eb63e8bac25c93d60f104abca14182c5b48d694898c165d0e4bc14e106e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ca0eb63e8bac25c93d60f104abca14182c5b48d694898c165d0e4bc14e106e3", kill_on_drop: false }` [INFO] [stdout] 3ca0eb63e8bac25c93d60f104abca14182c5b48d694898c165d0e4bc14e106e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e0c2e69a97ab034b99b62412896450516ee81c966503ad060d0e64a614d10f82 [INFO] running `Command { std: "docker" "start" "-a" "e0c2e69a97ab034b99b62412896450516ee81c966503ad060d0e64a614d10f82", kill_on_drop: false }` [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking cryptoxide v0.4.4 [INFO] [stderr] Checking cbor_event v2.4.0 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling flaky_test v0.1.0 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking fraction v0.10.0 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking ed25519-bip32 v0.4.1 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking schemars v0.8.22 [INFO] [stderr] Checking cml-core v6.2.0 [INFO] [stderr] Checking cml-crypto v6.2.0 [INFO] [stderr] Checking cml-chain v6.2.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (538) 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/builders/tx_builder.rs:3751:5: 3751:12 (#735), segments: [PathSegment { ident: #735, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(2242), style: Outer, span: src/builders/tx_builder.rs:3751:5: 3751:12 (#735) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f371c02bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7f371c60fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7f371c042226 - ::write_fmt [INFO] [stderr] 3: 0x7f371c001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7f371c01f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7f371b00236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7f371c01fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7f371c001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7f371bff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7f371c00372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7f3718c38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7f371d3e0110 - ::token_trees [INFO] [stderr] 12: 0x7f371dc1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7f371dbe65d2 - ::expand_crate [INFO] [stderr] 14: 0x7f371ccf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7f371d807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7f371d8073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7f371d8073a7 - >::call_once [INFO] [stderr] 18: 0x7f371d7ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7f371d7ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7f371d97127b - , 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: 0x7f371d85ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7f371d6eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7f371d6eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7f371d6ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7f371728aaa4 - [INFO] [stderr] 26: 0x7f3717317a64 - 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-2026-01-08T18_12_27-535.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 `cml-chain` (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 cml_chain --edition=2018 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("used_from_wasm", "wasm-bindgen"))' -C metadata=2dee8b8359ba5692 -C extra-filename=-ec97e6e448aac6d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-e08b94e4b5ffeef5.rmeta --extern bech32=/opt/rustwide/target/debug/deps/libbech32-76df74cdebbce412.rmeta --extern cbor_event=/opt/rustwide/target/debug/deps/libcbor_event-17306cc81612f87d.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9003ba7f2aa31dd4.rmeta --extern cml_core=/opt/rustwide/target/debug/deps/libcml_core-46a2d5b7e5a47b01.rmeta --extern cml_crypto=/opt/rustwide/target/debug/deps/libcml_crypto-7f69fceec581691b.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-ce0de5137fad4be6.so --extern flaky_test=/opt/rustwide/target/debug/deps/libflaky_test-e5dc3fbf8973ff70.so --extern fraction=/opt/rustwide/target/debug/deps/libfraction-67a51b6d5380e75f.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-3c8f7776167ec581.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-4852862d92867e36.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-69f8e970f5836f6b.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-c0187bcac13c175a.rmeta --extern noop_proc_macro=/opt/rustwide/target/debug/deps/libnoop_proc_macro-2e1b35bb98ddaa7a.so --extern num=/opt/rustwide/target/debug/deps/libnum-eb07f798d72dc265.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-0d0b3ab2181160d2.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-52472afc889c5314.rmeta --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-bbea7587230c66b7.rmeta --extern quickcheck_macros=/opt/rustwide/target/debug/deps/libquickcheck_macros-70f144755a550263.so --extern rand=/opt/rustwide/target/debug/deps/librand-1b8ceb52801fa742.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-bb8bb519875022ac.rmeta --extern schemars=/opt/rustwide/target/debug/deps/libschemars-13e2c8434e886394.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cc46d31ee576470e.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-eefb4de83d6561eb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-063683e465cc1eb9.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-2e434796dea6b7f0.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unexpected `cfg` condition value: `generic-serialization` [INFO] [stdout] --> src/genesis/byron/config.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | #[cfg_attr(feature = "generic-serialization", derive(Serialize, Deserialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `used_from_wasm` and `wasm-bindgen` [INFO] [stdout] = help: consider adding `generic-serialization` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/byron/crc32.rs:307:53 [INFO] [stdout] | [INFO] [stdout] 307 | pub fn update<'a, I>(&'a mut self, bytes: I) -> &mut Self [INFO] [stdout] | -- ^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 307 | pub fn update<'a, I>(&'a mut self, bytes: I) -> &'a mut Self [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e0c2e69a97ab034b99b62412896450516ee81c966503ad060d0e64a614d10f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0c2e69a97ab034b99b62412896450516ee81c966503ad060d0e64a614d10f82", kill_on_drop: false }` [INFO] [stdout] e0c2e69a97ab034b99b62412896450516ee81c966503ad060d0e64a614d10f82