[INFO] fetching crate zync-core 0.2.0...
[INFO] building zync-core-0.2.0 against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] extracting crate zync-core 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate zync-core 0.2.0
[INFO] finished tweaking crates.io crate zync-core 0.2.0
[INFO] tweaked toml for crates.io crate zync-core 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zync-core 0.2.0 on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zync-core 0.2.0 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27c63581138f2bbb1605320b854e51c04aa19e4c6cc23358b7fe0e2ffeb1031e
[INFO] running `Command { std: "docker" "start" "-a" "27c63581138f2bbb1605320b854e51c04aa19e4c6cc23358b7fe0e2ffeb1031e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c63581138f2bbb1605320b854e51c04aa19e4c6cc23358b7fe0e2ffeb1031e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c63581138f2bbb1605320b854e51c04aa19e4c6cc23358b7fe0e2ffeb1031e", kill_on_drop: false }`
[INFO] [stdout] 27c63581138f2bbb1605320b854e51c04aa19e4c6cc23358b7fe0e2ffeb1031e
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b56b9d4311faa9f0223341e0aef31db796232593a36baae94dd32d0a64114e1
[INFO] running `Command { std: "docker" "start" "-a" "3b56b9d4311faa9f0223341e0aef31db796232593a36baae94dd32d0a64114e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling nonempty v0.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memuse v0.2.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling blake2b_simd v1.0.3
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling shadow_counted v0.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling cc v1.2.47
[INFO] [stderr]    Compiling unsynn v0.1.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling facet-macros-parse v0.28.3
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling bls12_381 v0.8.0
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling halo2_legacy_pdqsort v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling facet-macros-emit v0.28.3
[INFO] [stderr]    Compiling impls v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling facet-core v0.28.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling jubjub v0.10.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling rand v0.8.5
[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/58b1b3c5342a414c161338871f8004258ccef2a7/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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="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=724e046de2028786 -C extra-filename=-d918a0a7e9737c32 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b2c5e517217a1da1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b06e3d277d1c9f6d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "3b56b9d4311faa9f0223341e0aef31db796232593a36baae94dd32d0a64114e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b56b9d4311faa9f0223341e0aef31db796232593a36baae94dd32d0a64114e1", kill_on_drop: false }`
[INFO] [stdout] 3b56b9d4311faa9f0223341e0aef31db796232593a36baae94dd32d0a64114e1