[INFO] fetching crate zenoh-flow 0.5.0-alpha.4...
[INFO] checking zenoh-flow-0.5.0-alpha.4 against try#919137c0f5006b7edb81cae76cfeed542cd38b82 for pr-116494
[INFO] extracting crate zenoh-flow 0.5.0-alpha.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate zenoh-flow 0.5.0-alpha.4 on toolchain 919137c0f5006b7edb81cae76cfeed542cd38b82
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+919137c0f5006b7edb81cae76cfeed542cd38b82" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zenoh-flow 0.5.0-alpha.4
[INFO] finished tweaking crates.io crate zenoh-flow 0.5.0-alpha.4
[INFO] tweaked toml for crates.io crate zenoh-flow 0.5.0-alpha.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+919137c0f5006b7edb81cae76cfeed542cd38b82" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+919137c0f5006b7edb81cae76cfeed542cd38b82" "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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+919137c0f5006b7edb81cae76cfeed542cd38b82" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dde81ec05da6de2d8b12c606d72b1ea9ba52d9f1291e5626e708bb5e1389b367
[INFO] running `Command { std: "docker" "start" "-a" "dde81ec05da6de2d8b12c606d72b1ea9ba52d9f1291e5626e708bb5e1389b367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dde81ec05da6de2d8b12c606d72b1ea9ba52d9f1291e5626e708bb5e1389b367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde81ec05da6de2d8b12c606d72b1ea9ba52d9f1291e5626e708bb5e1389b367", kill_on_drop: false }`
[INFO] [stdout] dde81ec05da6de2d8b12c606d72b1ea9ba52d9f1291e5626e708bb5e1389b367
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+919137c0f5006b7edb81cae76cfeed542cd38b82" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90cc567f0b8dce9a4134517ccc93d82719149a30051829a9ecec575bbc5c7cf6
[INFO] running `Command { std: "docker" "start" "-a" "90cc567f0b8dce9a4134517ccc93d82719149a30051829a9ecec575bbc5c7cf6", 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 memchr v2.6.4
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling value-bag v1.4.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling pnet v0.33.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling zenoh-result v0.7.2-rc
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling parking v2.1.1
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling pest v2.7.4
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling token-cell v1.5.0
[INFO] [stderr]    Compiling keyed-set v0.4.5
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling async-task v4.4.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling async-executor v1.5.4
[INFO] [stderr]    Compiling blocking v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling zenoh-collections v0.7.2-rc
[INFO] [stderr]    Compiling zenoh-buffers v0.7.2-rc
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling const-oid v0.9.5
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling pnet_base v0.33.0
[INFO] [stderr]    Compiling pest_meta v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling pnet_macros_support v0.33.0
[INFO] [stderr]    Compiling pnet_sys v0.33.0
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling pest_generator v2.7.4
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.1
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling clap_lex v0.2.4
[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/919137c0f5006b7edb81cae76cfeed542cd38b82/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' -C metadata=2556256a67a8869b -C extra-filename=-2556256a67a8869b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3562de2c21a82cca.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4d92fb17832e3af3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62f822500da935ba.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" "90cc567f0b8dce9a4134517ccc93d82719149a30051829a9ecec575bbc5c7cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cc567f0b8dce9a4134517ccc93d82719149a30051829a9ecec575bbc5c7cf6", kill_on_drop: false }`
[INFO] [stdout] 90cc567f0b8dce9a4134517ccc93d82719149a30051829a9ecec575bbc5c7cf6