[INFO] fetching crate gear-core-backend 1.9.2...
[INFO] testing gear-core-backend-1.9.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate gear-core-backend 1.9.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gear-core-backend 1.9.2
[INFO] finished tweaking crates.io crate gear-core-backend 1.9.2
[INFO] tweaked toml for crates.io crate gear-core-backend 1.9.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gear-core-backend 1.9.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gear-core-backend 1.9.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8973088ee69ed6b9e89fe1d82630f30722771a17c49192bf29f726e89b4497c0
[INFO] running `Command { std: "docker" "start" "-a" "8973088ee69ed6b9e89fe1d82630f30722771a17c49192bf29f726e89b4497c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8973088ee69ed6b9e89fe1d82630f30722771a17c49192bf29f726e89b4497c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8973088ee69ed6b9e89fe1d82630f30722771a17c49192bf29f726e89b4497c0", kill_on_drop: false }`
[INFO] [stdout] 8973088ee69ed6b9e89fe1d82630f30722771a17c49192bf29f726e89b4497c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89cd58f538348fe0c265131122ea2a5eee88b099376ef4e50d9b975654b08c2d
[INFO] running `Command { std: "docker" "start" "-a" "89cd58f538348fe0c265131122ea2a5eee88b099376ef4e50d9b975654b08c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.5
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thiserror v1.0.62
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling dyn-clone v1.0.17
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling winnow v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling bytecheck v0.6.11
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling rend v0.4.0
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rkyv v0.7.42
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling xxhash-rust v0.8.11
[INFO] [stderr]    Compiling parity-wasm v0.45.0
[INFO] [stderr]    Compiling sp-std v9.0.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling hashbrown v0.13.2
[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/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=135343cdee8cd44a -C extra-filename=-ea857dafdaeeca71 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-847ee1b1115e6e9c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-21cd9628b4618aff.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-35fb19b3987835f7.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89cd58f538348fe0c265131122ea2a5eee88b099376ef4e50d9b975654b08c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cd58f538348fe0c265131122ea2a5eee88b099376ef4e50d9b975654b08c2d", kill_on_drop: false }`
[INFO] [stdout] 89cd58f538348fe0c265131122ea2a5eee88b099376ef4e50d9b975654b08c2d
