[INFO] fetching crate gear-common 1.8.1...
[INFO] building gear-common-1.8.1 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate gear-common 1.8.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gear-common 1.8.1 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gear-common 1.8.1
[INFO] finished tweaking crates.io crate gear-common 1.8.1
[INFO] tweaked toml for crates.io crate gear-common 1.8.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate gear-common 1.8.1 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d930f54a6e685815eef953f88ecfe94cfc2ee6029b17cd0f95f37cb99cd0939
[INFO] running `Command { std: "docker" "start" "-a" "8d930f54a6e685815eef953f88ecfe94cfc2ee6029b17cd0f95f37cb99cd0939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d930f54a6e685815eef953f88ecfe94cfc2ee6029b17cd0f95f37cb99cd0939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d930f54a6e685815eef953f88ecfe94cfc2ee6029b17cd0f95f37cb99cd0939", kill_on_drop: false }`
[INFO] [stdout] 8d930f54a6e685815eef953f88ecfe94cfc2ee6029b17cd0f95f37cb99cd0939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7a9ab267eb267eead9b5d3c475bc6ae8a342f0a828ddb2a1bef09b671ecb2d
[INFO] running `Command { std: "docker" "start" "-a" "5c7a9ab267eb267eead9b5d3c475bc6ae8a342f0a828ddb2a1bef09b671ecb2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling const-oid v0.9.5
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling cc v1.1.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parity-scale-codec v3.7.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling expander v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling fs-err v2.9.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling winnow v0.6.6
[INFO] [stderr]    Compiling sp-std v14.0.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling hash-db v0.16.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]    Compiling getrandom_or_panic v0.0.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling hex-conservative v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.62
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling environmental v1.1.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling common-path v1.0.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8b8eff55bd72abbb57167bc42222a7f91d41cb0d/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=447db75f2069ce27 -C extra-filename=-f954aab74adca63e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-15d0597532190d02.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ccde4a93f7aac3bd.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7521e88497d9a0ba.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5c7a9ab267eb267eead9b5d3c475bc6ae8a342f0a828ddb2a1bef09b671ecb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7a9ab267eb267eead9b5d3c475bc6ae8a342f0a828ddb2a1bef09b671ecb2d", kill_on_drop: false }`
[INFO] [stdout] 5c7a9ab267eb267eead9b5d3c475bc6ae8a342f0a828ddb2a1bef09b671ecb2d