[INFO] fetching crate rmk 0.8.2...
[INFO] testing rmk-0.8.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rmk 0.8.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rmk 0.8.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmk 0.8.2
[INFO] tweaked toml for crates.io crate rmk 0.8.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmk 0.8.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmk 0.8.2 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1954104ca6ec8ac7e4beaaafc4acceb490af88d3ade924ec86689131322a420
[INFO] running `Command { std: "docker" "start" "-a" "d1954104ca6ec8ac7e4beaaafc4acceb490af88d3ade924ec86689131322a420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1954104ca6ec8ac7e4beaaafc4acceb490af88d3ade924ec86689131322a420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1954104ca6ec8ac7e4beaaafc4acceb490af88d3ade924ec86689131322a420", kill_on_drop: false }`
[INFO] [stdout] d1954104ca6ec8ac7e4beaaafc4acceb490af88d3ade924ec86689131322a420
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e9bc7e75df0a9e181cb3ae35a816bda24100df189c0cefe508710e5ec5c689e
[INFO] running `Command { std: "docker" "start" "-a" "6e9bc7e75df0a9e181cb3ae35a816bda24100df189c0cefe508710e5ec5c689e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling bitfield v0.14.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling trim-in-place v0.1.7
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling embassy-sync v0.7.2
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling usbd-hid-descriptors v0.8.2
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling embassy-time-driver v0.2.1
[INFO] [stderr]    Compiling embassy-hal-internal v0.3.0
[INFO] [stderr]    Compiling prettyplease v0.2.29
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling usbd-hid-descriptors v0.9.0
[INFO] [stderr]    Compiling embedded-storage-async v0.4.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling embassy-executor v0.9.1
[INFO] [stderr]    Compiling rust-ini v0.21.1
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling embassy-usb v0.5.0
[INFO] [stderr]    Compiling embassy-net-driver v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling embassy-executor-timer-queue v0.1.0
[INFO] [stderr]    Compiling static_cell v2.1.0
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling yaml-rust2 v0.10.2
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling const-gen-derive v1.1.6
[INFO] [stderr]    Compiling postcard-derive v0.1.2
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling const-gen v1.6.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling serde-inline-default v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling bitfield-struct v0.12.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling embassy-executor-macros v0.7.0
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling defmt v0.3.100
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling sequential-storage v6.0.1
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling embassy-usb-driver v0.2.0
[INFO] [stderr]    Compiling embassy-time v0.5.0
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling embassy-net-driver-channel v0.3.1
[INFO] [stderr]    Compiling embassy-embedded-hal v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling ssmarshal v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling usbd-hid-macros v0.8.2
[INFO] [stderr]    Compiling usbd-hid-macros v0.9.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling rmk-types v0.2.2
[INFO] [stderr] error: rustc interrupted by SIGSEGV, printing backtrace
[INFO] [stderr] 
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(+0x3bf97ec)[0x740496df97ec]
[INFO] [stderr] /lib/x86_64-linux-gnu/libc.so.6(+0x45330)[0x740493033330]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(_RNvMNtNtCsaOC3utBtPJ9_11rustc_parse6parser4stmtNtB4_6Parser27parse_stmt_without_recovery+0x11)[0x7404985ddc91]
[INFO] [stderr] 
[INFO] [stderr] ### cycle encountered after 3 frames with period 5
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(+0x53e6a62)[0x7404985e6a62]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(+0x5429bc3)[0x740498629bc3]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(_RNvMNtNtCsaOC3utBtPJ9_11rustc_parse6parser4exprNtB4_6Parser21parse_expr_assoc_with+0x45)[0x740498622905]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(+0x53d3ba5)[0x7404985d3ba5]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(_RNvMNtNtCsaOC3utBtPJ9_11rustc_parse6parser4stmtNtB4_6Parser27parse_stmt_without_recovery+0xd6a)[0x7404985de9ea]
[INFO] [stderr] ### recursed 50 times
[INFO] [stderr] 
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(+0x53e6a62)[0x7404985e6a62]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(+0x5429bc3)[0x740498629bc3]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/librustc_driver-cf777c98a1c4d62a.so(_RNvMNtNtCsaOC3utBtPJ9_11rustc_parse6parser4exprNtB4_6Parser21parse_expr_assoc_with+0x45)[0x740498622905]
[INFO] [stderr] 
[INFO] [stderr] note: rustc unexpectedly overflowed its stack! this is a bug
[INFO] [stderr] note: maximum backtrace depth reached, frames may have been lost
[INFO] [stderr] note: we would appreciate a report at https://github.com/rust-lang/rust
[INFO] [stderr] help: you can increase rustc's stack size by setting RUST_MIN_STACK=16777216
[INFO] [stderr] error: could not compile `rmk-types` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name rmk_types --edition=2024 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmk-types-0.2.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="defmt"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("defmt", "log"))' -C metadata=895f2b280b6c894a -C extra-filename=-514dd088ee078d86 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitfield_struct=/opt/rustwide/target/debug/deps/libbitfield_struct-e609c2e8ef9c5cda.so --extern defmt=/opt/rustwide/target/debug/deps/libdefmt-88ca0a23a2f1921d.rmeta --extern postcard=/opt/rustwide/target/debug/deps/libpostcard-960f1b309440089a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-164fcff950294deb.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-bbe6a8adea703069.rmeta --cap-lints allow --cap-lints=warn -L /opt/rustwide/target/debug/build/defmt-dedcfa4852834f84/out` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6e9bc7e75df0a9e181cb3ae35a816bda24100df189c0cefe508710e5ec5c689e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9bc7e75df0a9e181cb3ae35a816bda24100df189c0cefe508710e5ec5c689e", kill_on_drop: false }`
[INFO] [stdout] 6e9bc7e75df0a9e181cb3ae35a816bda24100df189c0cefe508710e5ec5c689e
