[INFO] fetching crate discovery-connect 1.0.1...
[INFO] building discovery-connect-1.0.1 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate discovery-connect 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate discovery-connect 1.0.1 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 discovery-connect 1.0.1
[INFO] finished tweaking crates.io crate discovery-connect 1.0.1
[INFO] tweaked toml for crates.io crate discovery-connect 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 204 packages to latest compatible versions
[INFO] [stderr]       Adding base64-url v2.0.2 (available: v3.0.0)
[INFO] [stderr]       Adding graphql_client v0.13.0 (available: v0.14.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.19)
[INFO] [stderr]       Adding zip v0.6.6 (available: v4.0.0)
[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] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `reqwest` dependency)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 74ba1867956663753049771b89df829663d1b6d352e2d69ad7314c5dd4a51d2b
[INFO] running `Command { std: "docker" "start" "-a" "74ba1867956663753049771b89df829663d1b6d352e2d69ad7314c5dd4a51d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74ba1867956663753049771b89df829663d1b6d352e2d69ad7314c5dd4a51d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ba1867956663753049771b89df829663d1b6d352e2d69ad7314c5dd4a51d2b", kill_on_drop: false }`
[INFO] [stdout] 74ba1867956663753049771b89df829663d1b6d352e2d69ad7314c5dd4a51d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f7265b86a8260ca925b4781df5110cafcc138b9d4bd4bd2e9bfde5f341ef8820
[INFO] running `Command { std: "docker" "start" "-a" "f7265b86a8260ca925b4781df5110cafcc138b9d4bd4bd2e9bfde5f341ef8820", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `reqwest` dependency)
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling combine v4.6.7
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling base64-url v2.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling tempfile v3.20.0
[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-2.0.101/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"' --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=c0647f1166039e68 -C extra-filename=-94553114f3835ba7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3b12e67430ed0f16.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-558b4ebddb476b83.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b062d05623149337.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" "f7265b86a8260ca925b4781df5110cafcc138b9d4bd4bd2e9bfde5f341ef8820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7265b86a8260ca925b4781df5110cafcc138b9d4bd4bd2e9bfde5f341ef8820", kill_on_drop: false }`
[INFO] [stdout] f7265b86a8260ca925b4781df5110cafcc138b9d4bd4bd2e9bfde5f341ef8820