[INFO] fetching crate liveboat 1.1.6...
[INFO] testing liveboat-1.1.6 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate liveboat 1.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate liveboat 1.1.6
[INFO] finished tweaking crates.io crate liveboat 1.1.6
[INFO] tweaked toml for crates.io crate liveboat 1.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liveboat 1.1.6 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate liveboat 1.1.6 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49510c6330fcd79d3825dddff4fafcf96fbd510b09ee7c230eeb325f8526d7b4
[INFO] running `Command { std: "docker" "start" "-a" "49510c6330fcd79d3825dddff4fafcf96fbd510b09ee7c230eeb325f8526d7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49510c6330fcd79d3825dddff4fafcf96fbd510b09ee7c230eeb325f8526d7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49510c6330fcd79d3825dddff4fafcf96fbd510b09ee7c230eeb325f8526d7b4", kill_on_drop: false }`
[INFO] [stdout] 49510c6330fcd79d3825dddff4fafcf96fbd510b09ee7c230eeb325f8526d7b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1482cc0d6f2a5a86bbb37bb6f23809e79116c9d4c992337ff33f394a7e8504c3
[INFO] running `Command { std: "docker" "start" "-a" "1482cc0d6f2a5a86bbb37bb6f23809e79116c9d4c992337ff33f394a7e8504c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling temp-dir v0.1.14
[INFO] [stderr]    Compiling openssl v0.10.70
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling locale_config v0.3.0
[INFO] [stderr]    Compiling openssl-src v300.4.1+3.4.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling quick-xml v0.37.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.105
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]    Compiling gettext-sys v0.22.5
[INFO] [stderr]    Compiling curl-sys v0.4.78+curl-8.11.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling never v0.1.0
[INFO] [stderr]    Compiling gettext-rs v0.7.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling strprintf v0.1.0
[INFO] [stderr]    Compiling diligent-date-parser v0.1.5
[INFO] [stderr]    Compiling winnow v0.7.1
[INFO] [stderr]    Compiling libnewsboat v2.38.0
[INFO] [stderr]    Compiling regex-rs v0.1.0
[INFO] [stderr]    Compiling dirs v4.0.0
[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-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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"' --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=b8f6c2a78e36a18a -C extra-filename=-c800e51790b27939 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1709ad8363de99ca.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d13609a594b6490f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8f02949389562b0d.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1482cc0d6f2a5a86bbb37bb6f23809e79116c9d4c992337ff33f394a7e8504c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1482cc0d6f2a5a86bbb37bb6f23809e79116c9d4c992337ff33f394a7e8504c3", kill_on_drop: false }`
[INFO] [stdout] 1482cc0d6f2a5a86bbb37bb6f23809e79116c9d4c992337ff33f394a7e8504c3