[INFO] fetching crate zenoh-flow-plugin 0.5.0-alpha.4...
[INFO] testing zenoh-flow-plugin-0.5.0-alpha.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate zenoh-flow-plugin 0.5.0-alpha.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate zenoh-flow-plugin 0.5.0-alpha.4
[INFO] finished tweaking crates.io crate zenoh-flow-plugin 0.5.0-alpha.4
[INFO] tweaked toml for crates.io crate zenoh-flow-plugin 0.5.0-alpha.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zenoh-flow-plugin 0.5.0-alpha.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 444 packages to latest compatible versions
[INFO] [stderr]       Adding async-std v1.12.0 (available: v1.13.2)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding erased-serde v0.3.26 (available: v0.3.31)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.1)
[INFO] [stderr]       Adding serde v1.0.160 (available: v1.0.228)
[INFO] [stderr]       Adding serde_derive v1.0.160 (available: v1.0.228)
[INFO] [stderr]       Adding serde_json v1.0.99 (available: v1.0.145)
[INFO] [stderr]       Adding serde_yaml v0.9.25 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding typetag v0.2.8 (available: v0.2.21)
[INFO] [stderr]       Adding typetag-impl v0.2.8 (available: v0.2.21)
[INFO] [stderr]       Adding zenoh v0.7.2-rc (available: v1.5.1)
[INFO] [stderr]       Adding zenoh-collections v0.7.2-rc (available: v1.5.1)
[INFO] [stderr]       Adding zenoh-core v0.7.2-rc (available: v1.5.1)
[INFO] [stderr]       Adding zenoh-ext v0.7.2-rc (available: v1.5.1)
[INFO] [stderr]       Adding zenoh-plugin-trait v0.7.2-rc (available: v1.5.1)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a5a50750d26c0f5b1cadc505c189a37a20a8c929237d427f70c507fe1538fd1
[INFO] running `Command { std: "docker" "start" "-a" "4a5a50750d26c0f5b1cadc505c189a37a20a8c929237d427f70c507fe1538fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a5a50750d26c0f5b1cadc505c189a37a20a8c929237d427f70c507fe1538fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5a50750d26c0f5b1cadc505c189a37a20a8c929237d427f70c507fe1538fd1", kill_on_drop: false }`
[INFO] [stdout] 4a5a50750d26c0f5b1cadc505c189a37a20a8c929237d427f70c507fe1538fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4bc2015b4dd223e89018d8108db9fbbc6b4b0df315ed685c0d0f402f9391722c
[INFO] running `Command { std: "docker" "start" "-a" "4bc2015b4dd223e89018d8108db9fbbc6b4b0df315ed685c0d0f402f9391722c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling zenoh-result v0.7.2-rc
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zenoh-collections v0.7.2-rc
[INFO] [stderr]    Compiling token-cell v1.5.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pnet_base v0.33.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling zenoh-buffers v0.7.2-rc
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling pnet_macros_support v0.33.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling pnet v0.33.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling zenoh-cfg-properties v0.7.2-rc
[INFO] [stderr]    Compiling keyed-set v0.4.5
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling zenoh-macros v0.7.2-rc
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling lz4_flex v0.10.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ringbuffer-spsc v0.1.15
[INFO] [stderr]    Compiling zenoh v0.7.2-rc
[INFO] [stderr]    Compiling git-version-macro v0.3.9
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling stop-token v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling pnet_sys v0.33.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling shellexpand v3.1.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr] error: could not compile `futures-util` (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 futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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 -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=d16130011deb0d50 -C extra-filename=-d9c6df6a912b8028 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-22352df0ff5738a1.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3b920243fce8fec0.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-6a4719510b0746bc.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-0cc6fe6d35386903.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-4f3ee80fddadef94.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-e09ab7898221cb97.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9be7e24c0cc6f173.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-72bf04572caa1c84.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-3860774ad9b215b5.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-5629529544b2a983.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/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-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=d7ee9e2815414b99 -C extra-filename=-3f510015210863db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3961f8809e272ccb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-557d48b6199c64f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4bc2015b4dd223e89018d8108db9fbbc6b4b0df315ed685c0d0f402f9391722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc2015b4dd223e89018d8108db9fbbc6b4b0df315ed685c0d0f402f9391722c", kill_on_drop: false }`
[INFO] [stdout] 4bc2015b4dd223e89018d8108db9fbbc6b4b0df315ed685c0d0f402f9391722c