[INFO] fetching crate zkcg-zkvm-host 0.2.0...
[INFO] documenting zkcg-zkvm-host-0.2.0 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate zkcg-zkvm-host 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zkcg-zkvm-host 0.2.0
[INFO] finished tweaking crates.io crate zkcg-zkvm-host 0.2.0
[INFO] tweaked toml for crates.io crate zkcg-zkvm-host 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zkcg-zkvm-host 0.2.0 on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zkcg-zkvm-host 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" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118
[INFO] running `Command { std: "docker" "start" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling borsh v1.6.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling zmij v1.0.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]    Compiling base64ct v1.8.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling risc0-zkp v3.0.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]     Checking ark-std v0.5.0
[INFO] [stderr]     Checking elf v0.7.4
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling pkcs1 v0.7.5
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling risc0-circuit-recursion v4.0.3
[INFO] [stderr]    Compiling no_std_strings v0.1.3
[INFO] [stderr]    Compiling yaml-rust2 v0.10.4
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/da3f5c31e5535b3dc210067de660a45784ae1e9c/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=d95e209ec0d29b85 -C extra-filename=-355fe5ef07f1eb0f --out-dir /opt/rustwide/target/debug/build/futures-util/355fe5ef07f1eb0f/out -L dependency=/opt/rustwide/target/debug/build/futures-core/756e876442dee363/out -L dependency=/opt/rustwide/target/debug/build/futures-io/4ce1f16fa47c1e40/out -L dependency=/opt/rustwide/target/debug/build/futures-sink/e7bd2ffb932e7c3a/out -L dependency=/opt/rustwide/target/debug/build/futures-task/011073701ea3a715/out -L dependency=/opt/rustwide/target/debug/build/memchr/7c3b23e851763d6f/out -L dependency=/opt/rustwide/target/debug/build/pin-project-lite/dccf8aabedbf6d41/out -L dependency=/opt/rustwide/target/debug/build/pin-utils/db1de871cd8706a6/out -L dependency=/opt/rustwide/target/debug/build/slab/ab20fc0822f5e3c5/out --extern futures_core=/opt/rustwide/target/debug/build/futures-core/756e876442dee363/out/libfutures_core-756e876442dee363.rmeta --extern futures_io=/opt/rustwide/target/debug/build/futures-io/4ce1f16fa47c1e40/out/libfutures_io-4ce1f16fa47c1e40.rmeta --extern futures_sink=/opt/rustwide/target/debug/build/futures-sink/e7bd2ffb932e7c3a/out/libfutures_sink-e7bd2ffb932e7c3a.rmeta --extern futures_task=/opt/rustwide/target/debug/build/futures-task/011073701ea3a715/out/libfutures_task-011073701ea3a715.rmeta --extern memchr=/opt/rustwide/target/debug/build/memchr/7c3b23e851763d6f/out/libmemchr-7c3b23e851763d6f.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/build/pin-project-lite/dccf8aabedbf6d41/out/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern pin_utils=/opt/rustwide/target/debug/build/pin-utils/db1de871cd8706a6/out/libpin_utils-db1de871cd8706a6.rmeta --extern slab=/opt/rustwide/target/debug/build/slab/ab20fc0822f5e3c5/out/libslab-ab20fc0822f5e3c5.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/da3f5c31e5535b3dc210067de660a45784ae1e9c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.112/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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="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=f1c967cf37a089b3 -C extra-filename=-416e81999a183f0d --out-dir /opt/rustwide/target/debug/build/syn/416e81999a183f0d/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/0857234c7afb9dee/out -L dependency=/opt/rustwide/target/debug/build/quote/8ce6644e18674a5b/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/0857234c7afb9dee/out/libproc_macro2-0857234c7afb9dee.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/8ce6644e18674a5b/out/libquote-8ce6644e18674a5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118", kill_on_drop: false }`
[INFO] [stdout] c4f8c7ee438590daa2117d74b4331d5f185895c6bc7db13f764ba2b46430b118
