[INFO] fetching crate contract-build 6.0.0-beta.2...
[INFO] documenting contract-build-6.0.0-beta.2 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate contract-build 6.0.0-beta.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate contract-build 6.0.0-beta.2
[INFO] finished tweaking crates.io crate contract-build 6.0.0-beta.2
[INFO] tweaked toml for crates.io crate contract-build 6.0.0-beta.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate contract-build 6.0.0-beta.2 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate contract-build 6.0.0-beta.2 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b40494a24b1a63c3e1f70ffad10b23934a32e0f0f8131a7e6224b41201436c45
[INFO] running `Command { std: "docker" "start" "-a" "b40494a24b1a63c3e1f70ffad10b23934a32e0f0f8131a7e6224b41201436c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40494a24b1a63c3e1f70ffad10b23934a32e0f0f8131a7e6224b41201436c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40494a24b1a63c3e1f70ffad10b23934a32e0f0f8131a7e6224b41201436c45", kill_on_drop: false }`
[INFO] [stdout] b40494a24b1a63c3e1f70ffad10b23934a32e0f0f8131a7e6224b41201436c45
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa49906dae10425e3fe8a0faa48667b4741476400aea69eae4fb26368451cccf
[INFO] running `Command { std: "docker" "start" "-a" "fa49906dae10425e3fe8a0faa48667b4741476400aea69eae4fb26368451cccf", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling zerocopy v0.8.35
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking serdect v0.2.0
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking impl-serde v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]    Compiling jam-codec v0.1.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking schemars v0.8.22
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling const-hex v1.17.0
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5
[INFO] [stderr]    Compiling scale-info-derive v2.11.6
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling jam-codec-derive v0.1.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling syn-solidity v1.5.4
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling macro-string v0.1.4
[INFO] [stderr]    Compiling sp-debug-derive v14.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling regex v1.12.2
[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/a394c9cd9ec93787f09a7ac445b14cc674a94549/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 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --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=73b0c53b11b8af00 -C extra-filename=-6ad2565daad4573f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-3b07ee62b6910a08.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-756e876442dee363.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-4ce1f16fa47c1e40.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-5818d00ab552f98d.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-e7bd2ffb932e7c3a.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-011073701ea3a715.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-7c3b23e851763d6f.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-db1de871cd8706a6.rmeta --extern slab=/opt/rustwide/target/debug/deps/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 `regex-automata` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/a394c9cd9ec93787f09a7ac445b14cc674a94549/bin/rustc --crate-name regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.13/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="alloc"' --cfg 'feature="dfa-onepass"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=f632052160f2b2ff -C extra-filename=-7bf0783775d1115e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-f67246a863654045.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-ca36ce98a96d8f76.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-772b60ac7f4bd548.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fa49906dae10425e3fe8a0faa48667b4741476400aea69eae4fb26368451cccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa49906dae10425e3fe8a0faa48667b4741476400aea69eae4fb26368451cccf", kill_on_drop: false }`
[INFO] [stdout] fa49906dae10425e3fe8a0faa48667b4741476400aea69eae4fb26368451cccf