[INFO] fetching crate vantadb 0.8.0...
[INFO] testing vantadb-0.8.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate vantadb 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate vantadb 0.8.0
[INFO] finished tweaking crates.io crate vantadb 0.8.0
[INFO] tweaked toml for crates.io crate vantadb 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vantadb 0.8.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vantadb 0.8.0 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" "+1.100.0-beta.1" "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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923
[INFO] running `Command { std: "docker" "start" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923", 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" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923", 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" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling arrow-schema v59.3.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling bitflags v2.13.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling chacha20 v0.10.2
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling rand v0.10.2
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling cc v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.16
[INFO] [stderr]    Compiling ownedbytes v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling either v1.17.0
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling twox-hash v2.1.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling clap_builder v4.6.7
[INFO] [stderr]    Compiling num-bigint v0.5.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling hybrid-array v0.4.14
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling bitpacking v0.9.3
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]    Compiling tantivy-fst v0.5.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling tantivy-bitpacker v0.10.0
[INFO] [stderr]    Compiling croaring-sys v4.7.1
[INFO] [stderr]    Compiling lz4_flex v0.13.1
[INFO] [stderr]    Compiling time v0.3.54
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling clap_derive v4.6.7
[INFO] [stderr]    Compiling async-trait v0.1.91
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling darling_core v0.23.0
[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/1.100.0-beta.1-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,unused-externs-silent --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="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=017db685278c32e7 -C extra-filename=-9cb03e73c2666b6f --out-dir /opt/rustwide/target/debug/build/syn/9cb03e73c2666b6f/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/9ed3a48d6033a029/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/9ed3a48d6033a029/out/libproc_macro2-9ed3a48d6033a029.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/296750fce8fc09aa/out/libquote-296750fce8fc09aa.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out/libunicode_ident-86faa6b6bcc5b157.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923", kill_on_drop: false }`
[INFO] [stdout] 856ebd2a7e935488b0b98522d41cb31788071df683f19eda71aea90e428f1923
