[INFO] fetching crate fcplug-build 0.4.5...
[INFO] building fcplug-build-0.4.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate fcplug-build 0.4.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fcplug-build 0.4.5
[INFO] finished tweaking crates.io crate fcplug-build 0.4.5
[INFO] tweaked toml for crates.io crate fcplug-build 0.4.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcplug-build 0.4.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 188 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.66.1 (available: v0.72.1)
[INFO] [stderr]       Adding cbindgen v0.24.5 (available: v0.29.0)
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded munge_macro v0.4.7
[INFO] [stderr]   Downloaded defer-lite v1.0.0
[INFO] [stderr]   Downloaded protobuf-support2 v4.0.0-alpha.2
[INFO] [stderr]   Downloaded pilota-thrift-parser v0.4.2
[INFO] [stderr]   Downloaded flatc-rust v0.2.0
[INFO] [stderr]   Downloaded pilota-build2 v0.7.13
[INFO] [stderr]   Downloaded munge v0.4.7
[INFO] [stderr]   Downloaded rancor v0.1.1
[INFO] [stderr]   Downloaded rkyv v0.8.12
[INFO] [stderr]   Downloaded protobuf-parse2 v4.0.0-alpha.4
[INFO] [stderr]   Downloaded protobuf2 v4.0.0-alpha.2
[INFO] [stderr]   Downloaded rend v0.5.3
[INFO] [stderr]   Downloaded rkyv_derive v0.8.12
[INFO] [stderr]   Downloaded salsa-macros v0.17.0-pre.2
[INFO] [stderr]   Downloaded cbindgen v0.24.5
[INFO] [stderr]   Downloaded ptr_meta_derive v0.3.1
[INFO] [stderr]   Downloaded ptr_meta v0.3.1
[INFO] [stderr]   Downloaded faststr v0.2.32
[INFO] [stderr]   Downloaded salsa v0.17.0-pre.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39504f8ede42d03041f2524f9674bb86892a8e8e18616110141e357918ff1aa
[INFO] running `Command { std: "docker" "start" "-a" "f39504f8ede42d03041f2524f9674bb86892a8e8e18616110141e357918ff1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39504f8ede42d03041f2524f9674bb86892a8e8e18616110141e357918ff1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39504f8ede42d03041f2524f9674bb86892a8e8e18616110141e357918ff1aa", kill_on_drop: false }`
[INFO] [stdout] f39504f8ede42d03041f2524f9674bb86892a8e8e18616110141e357918ff1aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f441ee55c2acdc26b5e7acfee10a53d47480c19091d730fb506078ea40ce23e
[INFO] running `Command { std: "docker" "start" "-a" "2f441ee55c2acdc26b5e7acfee10a53d47480c19091d730fb506078ea40ce23e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling protobuf2 v4.0.0-alpha.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling cbindgen v0.24.5
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling pilota-thrift-parser v0.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling faststr v0.2.32
[INFO] [stderr]    Compiling itertools v0.10.5
[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/c7f6aa2869acdbf014d094c6e427e554e160b6db/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"' --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=c3866e153aa85d51 -C extra-filename=-5831262a8da043d7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-10298f62ab753afe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-eba1d94792f9c5ac.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6ac3b87590d2322c.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" "2f441ee55c2acdc26b5e7acfee10a53d47480c19091d730fb506078ea40ce23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f441ee55c2acdc26b5e7acfee10a53d47480c19091d730fb506078ea40ce23e", kill_on_drop: false }`
[INFO] [stdout] 2f441ee55c2acdc26b5e7acfee10a53d47480c19091d730fb506078ea40ce23e