[INFO] fetching crate risc0-tools 0.13.0...
[INFO] checking risc0-tools-0.13.0 against master#eb909d81464900597b91f3bbf2a6bef10006c9ff for pr-108389
[INFO] extracting crate risc0-tools 0.13.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate risc0-tools 0.13.0 on toolchain eb909d81464900597b91f3bbf2a6bef10006c9ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb909d81464900597b91f3bbf2a6bef10006c9ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risc0-tools 0.13.0
[INFO] finished tweaking crates.io crate risc0-tools 0.13.0
[INFO] tweaked toml for crates.io crate risc0-tools 0.13.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate risc0-tools 0.13.0 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" "+eb909d81464900597b91f3bbf2a6bef10006c9ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bstr v1.2.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded elf v0.7.2
[INFO] [stderr]   Downloaded risc0-circuit-rv32im v0.13.0
[INFO] [stderr]   Downloaded risc0-core v0.13.0
[INFO] [stderr]   Downloaded risc0-build-kernel v0.13.0
[INFO] [stderr]   Downloaded risc0-sys v0.13.0
[INFO] [stderr]   Downloaded risc0-zeroio v0.13.0
[INFO] [stderr]   Downloaded risc0-zeroio-derive v0.13.0
[INFO] [stderr]   Downloaded risc0-zkp v0.13.0
[INFO] [stderr]   Downloaded risc0-zkvm-platform v0.13.0
[INFO] [stderr]   Downloaded risc0-zkvm v0.13.0
[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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+eb909d81464900597b91f3bbf2a6bef10006c9ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be978769d704f3743add12cd9139e009ab4482ff7fa29deeb8ecceddea16916d
[INFO] running `Command { std: "docker" "start" "-a" "be978769d704f3743add12cd9139e009ab4482ff7fa29deeb8ecceddea16916d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be978769d704f3743add12cd9139e009ab4482ff7fa29deeb8ecceddea16916d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be978769d704f3743add12cd9139e009ab4482ff7fa29deeb8ecceddea16916d", kill_on_drop: false }`
[INFO] [stdout] be978769d704f3743add12cd9139e009ab4482ff7fa29deeb8ecceddea16916d
[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=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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+eb909d81464900597b91f3bbf2a6bef10006c9ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c76ad032c8f0c79d3c4dcc3efe34707e4e00e4692553dfb43a71d0c8eee42e29
[INFO] running `Command { std: "docker" "start" "-a" "c76ad032c8f0c79d3c4dcc3efe34707e4e00e4692553dfb43a71d0c8eee42e29", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling risc0-zkp v0.13.0
[INFO] [stderr]     Checking rayon-core v1.10.2
[INFO] [stderr]     Checking risc0-zkvm-platform v0.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling risc0-circuit-rv32im v0.13.0
[INFO] [stderr]    Compiling risc0-zkvm v0.13.0
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking elf v0.7.2
[INFO] [stderr]     Checking bstr v1.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling risc0-build-kernel v0.13.0
[INFO] [stderr]     Checking assert_cmd v2.0.8
[INFO] [stderr]    Compiling risc0-sys v0.13.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 --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=d2f97da9c1398af9 -C extra-filename=-d2f97da9c1398af9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c745d73969a1695e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-446ede0ab61d76e9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a52d6b941d47d01b.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" "c76ad032c8f0c79d3c4dcc3efe34707e4e00e4692553dfb43a71d0c8eee42e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76ad032c8f0c79d3c4dcc3efe34707e4e00e4692553dfb43a71d0c8eee42e29", kill_on_drop: false }`
[INFO] [stdout] c76ad032c8f0c79d3c4dcc3efe34707e4e00e4692553dfb43a71d0c8eee42e29