[INFO] fetching crate qpml 0.14.0...
[INFO] testing qpml-0.14.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate qpml 0.14.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate qpml 0.14.0
[INFO] finished tweaking crates.io crate qpml 0.14.0
[INFO] tweaked toml for crates.io crate qpml 0.14.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qpml 0.14.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qpml 0.14.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dea0eed0978d3c75d4a15deb1515105d49ca8defb8c453c04fda033d3bb3223
[INFO] running `Command { std: "docker" "start" "-a" "1dea0eed0978d3c75d4a15deb1515105d49ca8defb8c453c04fda033d3bb3223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dea0eed0978d3c75d4a15deb1515105d49ca8defb8c453c04fda033d3bb3223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dea0eed0978d3c75d4a15deb1515105d49ca8defb8c453c04fda033d3bb3223", kill_on_drop: false }`
[INFO] [stdout] 1dea0eed0978d3c75d4a15deb1515105d49ca8defb8c453c04fda033d3bb3223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce5f849db8680e7515899308c5968a74bef00e5b0e79982b417d01da38b64356
[INFO] running `Command { std: "docker" "start" "-a" "ce5f849db8680e7515899308c5968a74bef00e5b0e79982b417d01da38b64356", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.54
[INFO] [stderr]    Compiling arrow-schema v49.0.0
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling regex-automata v0.3.7
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling flatbuffers v23.1.21
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling regex v1.9.4
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling arrow-buffer v49.0.0
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling brotli-decompressor v2.3.4
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling arrow-data v49.0.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling chrono-tz-build v0.1.0
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling lz4_flex v0.11.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling chrono-tz v0.8.1
[INFO] [stderr]    Compiling seq-macro v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling schemars v0.8.16
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling libz-sys v1.1.14
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling dyn-clone v1.0.11
[INFO] [stderr]    Compiling libgit2-sys v0.16.1+1.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling blake3 v1.3.3
[INFO] [stderr]    Compiling regress v0.7.1
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling constant_time_eq v0.2.5
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling which v4.4.0
[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/beta-2025-09-21-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"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=37bfd2704bf1e4a5 -C extra-filename=-8fee6ab8cfc49906 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b87a49cbb8e8f428.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f3fd771f7e2c495a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ce5f849db8680e7515899308c5968a74bef00e5b0e79982b417d01da38b64356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5f849db8680e7515899308c5968a74bef00e5b0e79982b417d01da38b64356", kill_on_drop: false }`
[INFO] [stdout] ce5f849db8680e7515899308c5968a74bef00e5b0e79982b417d01da38b64356
