[INFO] fetching crate risc0-zkvm-host 0.10.0...
[INFO] testing risc0-zkvm-host-0.10.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate risc0-zkvm-host 0.10.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate risc0-zkvm-host 0.10.0
[INFO] finished tweaking crates.io crate risc0-zkvm-host 0.10.0
[INFO] tweaked toml for crates.io crate risc0-zkvm-host 0.10.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate risc0-zkvm-host 0.10.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding ctor v0.1.26 (available: v0.6.1)
[INFO] [stderr]       Adding risc0-zkvm-sys v0.10.0 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded risc0-zkvm-serde v0.10.0
[INFO] [stderr]   Downloaded risc0-zkvm-platform-sys v0.10.0
[INFO] [stderr]   Downloaded risc0-core-sys v0.10.0
[INFO] [stderr]   Downloaded risc0-zkvm-circuit-gen v0.10.0
[INFO] [stderr]   Downloaded risc0-zkvm-sys v0.10.0
[INFO] [stderr]   Downloaded risc0-zkvm-circuit-sys v0.10.0
[INFO] [stderr]   Downloaded risc0-zkp-sys v0.10.0
[INFO] [stderr]   Downloaded tbb-sys v1.1.0+2021.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80a0824d3c7b0204f3298af9acce4d8035f927868fe218ec0b01d5a467b8b7bc
[INFO] running `Command { std: "docker" "start" "-a" "80a0824d3c7b0204f3298af9acce4d8035f927868fe218ec0b01d5a467b8b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a0824d3c7b0204f3298af9acce4d8035f927868fe218ec0b01d5a467b8b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a0824d3c7b0204f3298af9acce4d8035f927868fe218ec0b01d5a467b8b7bc", kill_on_drop: false }`
[INFO] [stdout] 80a0824d3c7b0204f3298af9acce4d8035f927868fe218ec0b01d5a467b8b7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8706f4009425b1cc65bd4b88c73fb5983c715e2a354c654a2ef6b1efbd6b409a
[INFO] running `Command { std: "docker" "start" "-a" "8706f4009425b1cc65bd4b88c73fb5983c715e2a354c654a2ef6b1efbd6b409a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.187
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling cxx-build v1.0.187
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling cxx v1.0.187
[INFO] [stderr]    Compiling tbb-sys v1.1.0+2021.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[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/1.91.0-x86_64-unknown-linux-gnu/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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=87db79d333e3a47f -C extra-filename=-6d1a204da4f74775 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f00467670a27831e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-773818c11195cee8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2438e28b11baae4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cxx-build` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name cxx_build --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cxx-build-1.0.187/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("parallel"))' -C metadata=19b409013f900bf8 -C extra-filename=-0b842f23de7c9d26 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cc=/opt/rustwide/target/debug/deps/libcc-ff4e27253cd1365b.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-017666db47455d1f.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-986723cee2dd458f.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f00467670a27831e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-773818c11195cee8.rmeta --extern scratch=/opt/rustwide/target/debug/deps/libscratch-5a938fe4919f2617.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-85a7a969136ef8fa.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8706f4009425b1cc65bd4b88c73fb5983c715e2a354c654a2ef6b1efbd6b409a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8706f4009425b1cc65bd4b88c73fb5983c715e2a354c654a2ef6b1efbd6b409a", kill_on_drop: false }`
[INFO] [stdout] 8706f4009425b1cc65bd4b88c73fb5983c715e2a354c654a2ef6b1efbd6b409a