[INFO] fetching crate zenoh-flow-plugin 0.5.0-alpha.4...
[INFO] testing zenoh-flow-plugin-0.5.0-alpha.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate zenoh-flow-plugin 0.5.0-alpha.4 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zenoh-flow-plugin 0.5.0-alpha.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 437 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: v1.6.2)
[INFO] [stderr]       Adding zenoh-collections v0.7.2-rc (available: v1.6.2)
[INFO] [stderr]       Adding zenoh-core v0.7.2-rc (available: v1.6.2)
[INFO] [stderr]       Adding zenoh-ext v0.7.2-rc (available: v1.6.2)
[INFO] [stderr]       Adding zenoh-plugin-trait v0.7.2-rc (available: v1.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb00424ab9d001d8e4b937ead52142373f06d1da1eb2e674bf5e1e03efcb5d50
[INFO] running `Command { std: "docker" "start" "-a" "cb00424ab9d001d8e4b937ead52142373f06d1da1eb2e674bf5e1e03efcb5d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb00424ab9d001d8e4b937ead52142373f06d1da1eb2e674bf5e1e03efcb5d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb00424ab9d001d8e4b937ead52142373f06d1da1eb2e674bf5e1e03efcb5d50", kill_on_drop: false }`
[INFO] [stdout] cb00424ab9d001d8e4b937ead52142373f06d1da1eb2e674bf5e1e03efcb5d50
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b4c6bb3cc03863bccefcfebb79c4b09c3d085e3cd7179be6fa74461f8ba553
[INFO] running `Command { std: "docker" "start" "-a" "78b4c6bb3cc03863bccefcfebb79c4b09c3d085e3cd7179be6fa74461f8ba553", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling zenoh-result v0.7.2-rc
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling zenoh-collections v0.7.2-rc
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling zenoh-buffers v0.7.2-rc
[INFO] [stderr]    Compiling token-cell v1.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling keyed-set v0.4.5
[INFO] [stderr]    Compiling pnet_base v0.33.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling pnet_macros_support v0.33.0
[INFO] [stderr]    Compiling pnet_sys v0.33.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling pnet v0.33.0
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling shellexpand v3.1.1
[INFO] [stderr]    Compiling zenoh-cfg-properties v0.7.2-rc
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling socket2 v0.5.10
[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 der v0.6.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[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/c2e32f1c9652b13ed99608599c1e855462f421f3/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=149c91ad1c61f026 -C extra-filename=-368ed75f7697cef7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7f248eb89d15af9d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e50ca8f86bc2df2a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "78b4c6bb3cc03863bccefcfebb79c4b09c3d085e3cd7179be6fa74461f8ba553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b4c6bb3cc03863bccefcfebb79c4b09c3d085e3cd7179be6fa74461f8ba553", kill_on_drop: false }`
[INFO] [stdout] 78b4c6bb3cc03863bccefcfebb79c4b09c3d085e3cd7179be6fa74461f8ba553