[INFO] fetching crate libvault 0.4.0...
[INFO] documenting libvault-0.4.0 against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] extracting crate libvault 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libvault 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libvault 0.4.0
[INFO] tweaked toml for crates.io crate libvault 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libvault 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libvault 0.4.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded qapi-qmp v0.15.0
[INFO] [stderr]   Downloaded qapi-codegen v0.11.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e
[INFO] running `Command { std: "docker" "start" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e", 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" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]     Checking cmov v0.5.4
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking cpubits v0.1.1
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]     Checking cpufeatures v0.3.1
[INFO] [stderr]     Checking bitvec v1.1.1
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]     Checking ff v0.14.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ctutils v0.4.2
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]     Checking base16ct v1.0.0
[INFO] [stderr]    Compiling rustls v0.23.44
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking group v0.14.0
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling time-macros v0.2.32
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[INFO] [stderr]     Checking lazy_static v1.5.0
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[INFO] [stderr]     Checking deranged v0.5.8
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[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]     Checking base64 v0.23.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]     Checking num-conv v0.2.2
[INFO] [stderr]     Checking ipnet v2.12.2
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[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking http-body-util v0.1.5
[INFO] [stderr]    Compiling curve25519-dalek v5.0.0
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[INFO] [stderr]     Checking miniz_oxide v0.9.1
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-iter v0.1.46
[INFO] [stderr]     Checking pem-rfc7468 v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.41
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling oid-registry v0.8.1
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[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking time v0.3.55
[INFO] [stderr]     Checking chacha20 v0.10.2
[INFO] [stderr]    Compiling cc v1.4.6
[INFO] [stderr]     Checking aho-corasick v1.1.5
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[INFO] [stderr]    Compiling openssl v0.10.81
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[INFO] [stderr]     Checking bzip2 v0.6.1
[INFO] [stderr]     Checking ff v0.13.1
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[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking flate2 v1.1.10
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking buffer-redux v1.1.0
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]     Checking replace_with v0.1.8
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[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking utf8-zero v0.8.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking data-encoding v2.11.1
[INFO] [stderr]     Checking xxhash-rust v0.8.18
[INFO] [stderr]    Compiling toml v1.1.6+spec-1.1.0
[INFO] [stderr]     Checking itertools v0.15.0
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking radix_trie v0.3.0
[INFO] [stderr]     Checking chrono v0.4.45
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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="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=2d6d2dc384b5aaeb -C extra-filename=-f82260a0100b5320 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-07b820aa231198b5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bf53898b3f04765a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-86faa6b6bcc5b157.rmeta --cap-lints allow --cap-lints=warn` (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/1.99.0-beta.8-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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=98d2fbec9c37d553 -C extra-filename=-8f48b0ce127a9094 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-07b820aa231198b5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bf53898b3f04765a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-86faa6b6bcc5b157.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e", kill_on_drop: false }`
[INFO] [stdout] 5f8d8f3f336325497d9d2cc12486fcafcce1868f2f451a944236edbc86cbe02e
