[INFO] fetching crate rmk-types 0.2.1...
[INFO] checking rmk-types-0.2.1 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate rmk-types 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rmk-types 0.2.1
[INFO] finished tweaking crates.io crate rmk-types 0.2.1
[INFO] tweaked toml for crates.io crate rmk-types 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmk-types 0.2.1 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmk-types 0.2.1 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 707668bef16a3b4c615d692394f951f11443aca9d5d3e43fa61f4f7eef92b886
[INFO] running `Command { std: "docker" "start" "-a" "707668bef16a3b4c615d692394f951f11443aca9d5d3e43fa61f4f7eef92b886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707668bef16a3b4c615d692394f951f11443aca9d5d3e43fa61f4f7eef92b886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707668bef16a3b4c615d692394f951f11443aca9d5d3e43fa61f4f7eef92b886", kill_on_drop: false }`
[INFO] [stdout] 707668bef16a3b4c615d692394f951f11443aca9d5d3e43fa61f4f7eef92b886
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37cd49155b3733d444b08a4d96d3511aa312766c2e410d953ac5556da4a10548
[INFO] running `Command { std: "docker" "start" "-a" "37cd49155b3733d444b08a4d96d3511aa312766c2e410d953ac5556da4a10548", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling postcard-derive v0.2.2
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling bitfield-struct v0.12.1
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking postcard v1.1.3
[INFO] [stderr]     Checking rmk-types v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: rustc interrupted by SIGSEGV, printing backtrace
[INFO] [stderr] 
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x39c64ac)[0x72b92cfc64ac]
[INFO] [stderr] /lib/x86_64-linux-gnu/libc.so.6(+0x45330)[0x72b929433330]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4stmtNtB4_6Parser15parse_full_stmt+0x3e)[0x72b92e83787e]
[INFO] [stderr] 
[INFO] [stderr] ### cycle encountered after 3 frames with period 7
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x5234aeb)[0x72b92e834aeb]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x1534746)[0x72b92ab34746]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x5c9edb6)[0x72b92f29edb6]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4exprNtB4_6Parser21parse_expr_assoc_with+0x58)[0x72b92f29bd66]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x6100ff7)[0x72b92f700ff7]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4stmtNtB4_6Parser27parse_stmt_without_recovery+0xc4a)[0x72b92e83b50a]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4stmtNtB4_6Parser15parse_full_stmt+0x43)[0x72b92e837883]
[INFO] [stderr] ### recursed 36 times
[INFO] [stderr] 
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x5234aeb)[0x72b92e834aeb]
[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: rustc interrupted by SIGSEGV, printing backtrace
[INFO] [stderr] 
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x39c64ac)[0x77ddfedc64ac]
[INFO] [stderr] /lib/x86_64-linux-gnu/libc.so.6(+0x45330)[0x77ddfb233330]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4stmtNtB4_6Parser15parse_full_stmt+0x3e)[0x77de0063787e]
[INFO] [stderr] 
[INFO] [stderr] ### cycle encountered after 3 frames with period 7
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x5234aeb)[0x77de00634aeb]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x1534746)[0x77ddfc934746]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x5c9edb6)[0x77de0109edb6]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4exprNtB4_6Parser21parse_expr_assoc_with+0x58)[0x77de0109bd66]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x6100ff7)[0x77de01500ff7]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4stmtNtB4_6Parser27parse_stmt_without_recovery+0xc4a)[0x77de0063b50a]
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(_RNvMNtNtCsUpnpCOdSMp_11rustc_parse6parser4stmtNtB4_6Parser15parse_full_stmt+0x43)[0x77de00637883]
[INFO] [stderr] ### recursed 36 times
[INFO] [stderr] 
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/librustc_driver-00bd96fba29a0528.so(+0x5234aeb)[0x77de00634aeb]
[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 test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name rmk_types --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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("defmt", "log"))' -C metadata=059a9c4f74afef9c -C extra-filename=-6ac2a95b911a4eca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitfield_struct=/opt/rustwide/target/debug/deps/libbitfield_struct-cd75609335f5fcf9.so --extern postcard=/opt/rustwide/target/debug/deps/libpostcard-f2e4cd78e3b3b733.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dc456d67a3e6c0ba.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-4f9ee503174feaec.rmeta --cap-lints=forbid` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name rmk_types --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("defmt", "log"))' -C metadata=2521d1555350ea99 -C extra-filename=-c85da61cad1991a3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitfield_struct=/opt/rustwide/target/debug/deps/libbitfield_struct-cd75609335f5fcf9.so --extern postcard=/opt/rustwide/target/debug/deps/libpostcard-f2e4cd78e3b3b733.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dc456d67a3e6c0ba.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-4f9ee503174feaec.rmeta --cap-lints=forbid` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "37cd49155b3733d444b08a4d96d3511aa312766c2e410d953ac5556da4a10548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cd49155b3733d444b08a4d96d3511aa312766c2e410d953ac5556da4a10548", kill_on_drop: false }`
[INFO] [stdout] 37cd49155b3733d444b08a4d96d3511aa312766c2e410d953ac5556da4a10548