[INFO] fetching crate risc0-circuit-rv32im 1.0.0-rc.2...
[INFO] checking risc0-circuit-rv32im-1.0.0-rc.2 against try#2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138 for pr-106807
[INFO] extracting crate risc0-circuit-rv32im 1.0.0-rc.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate risc0-circuit-rv32im 1.0.0-rc.2 on toolchain 2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risc0-circuit-rv32im 1.0.0-rc.2
[INFO] finished tweaking crates.io crate risc0-circuit-rv32im 1.0.0-rc.2
[INFO] tweaked toml for crates.io crate risc0-circuit-rv32im 1.0.0-rc.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa339a390a9b2ea7344cda01f645d120b722e60539bac9daf2b2aaad95049227
[INFO] running `Command { std: "docker" "start" "-a" "fa339a390a9b2ea7344cda01f645d120b722e60539bac9daf2b2aaad95049227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa339a390a9b2ea7344cda01f645d120b722e60539bac9daf2b2aaad95049227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa339a390a9b2ea7344cda01f645d120b722e60539bac9daf2b2aaad95049227", kill_on_drop: false }`
[INFO] [stdout] fa339a390a9b2ea7344cda01f645d120b722e60539bac9daf2b2aaad95049227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+2290cbfb9eb7e5f34788a6e1ed1d6af8bb76f138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9387a028f299e580924d6e4ed1b1ff562793ff555be345f1d98cb43f3b387812
[INFO] running `Command { std: "docker" "start" "-a" "9387a028f299e580924d6e4ed1b1ff562793ff555be345f1d98cb43f3b387812", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling risc0-zkp v1.0.0-rc.2
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking risc0-zkvm-platform v1.0.0-rc.2
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]    Compiling risc0-circuit-rv32im v1.0.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.107/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 -C debuginfo=2 --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="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=0791d9a609efc649 -C extra-filename=-0791d9a609efc649 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2d43ea299ac6dfe2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-17af61df904456d1.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-488d9b1a6199d7b2.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" "9387a028f299e580924d6e4ed1b1ff562793ff555be345f1d98cb43f3b387812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9387a028f299e580924d6e4ed1b1ff562793ff555be345f1d98cb43f3b387812", kill_on_drop: false }`
[INFO] [stdout] 9387a028f299e580924d6e4ed1b1ff562793ff555be345f1d98cb43f3b387812