[INFO] fetching crate flutter_rust_bridge_codegen 2.11.1...
[INFO] testing flutter_rust_bridge_codegen-2.11.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate flutter_rust_bridge_codegen 2.11.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flutter_rust_bridge_codegen 2.11.1
[INFO] finished tweaking crates.io crate flutter_rust_bridge_codegen 2.11.1
[INFO] tweaked toml for crates.io crate flutter_rust_bridge_codegen 2.11.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flutter_rust_bridge_codegen 2.11.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flutter_rust_bridge_codegen 2.11.1 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 856d292ee71a511dac36cc550dde063bb86e790c8a18143b345763b7c11147f4
[INFO] running `Command { std: "docker" "start" "-a" "856d292ee71a511dac36cc550dde063bb86e790c8a18143b345763b7c11147f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856d292ee71a511dac36cc550dde063bb86e790c8a18143b345763b7c11147f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856d292ee71a511dac36cc550dde063bb86e790c8a18143b345763b7c11147f4", kill_on_drop: false }`
[INFO] [stdout] 856d292ee71a511dac36cc550dde063bb86e790c8a18143b345763b7c11147f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b0a5da7f90fe786eb1e0d18c9328ce1cc77059c480a7d3df734b84d0720337
[INFO] running `Command { std: "docker" "start" "-a" "38b0a5da7f90fe786eb1e0d18c9328ce1cc77059c480a7d3df734b84d0720337", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling portable-atomic v1.8.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling console v0.16.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling aho-corasick v1.0.3
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling cbindgen v0.28.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling colored v1.9.4
[INFO] [stderr]    Compiling tempfile v3.7.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling indicatif v0.18.0
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling include_dir v0.7.3
[INFO] [stderr]    Compiling addr2line v0.20.0
[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-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.85/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"' --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=e94e851b6cec89fe -C extra-filename=-955651455473a921 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dcb1aabaf153e297.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f6733c86f1327e74.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3b1d94f5157ae14.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" "38b0a5da7f90fe786eb1e0d18c9328ce1cc77059c480a7d3df734b84d0720337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b0a5da7f90fe786eb1e0d18c9328ce1cc77059c480a7d3df734b84d0720337", kill_on_drop: false }`
[INFO] [stdout] 38b0a5da7f90fe786eb1e0d18c9328ce1cc77059c480a7d3df734b84d0720337
