[INFO] fetching crate portal-pc-waffle-fuzzing 0.6.0-alpha.1...
[INFO] checking portal-pc-waffle-fuzzing-0.6.0-alpha.1 against try#24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343
[INFO] extracting crate portal-pc-waffle-fuzzing 0.6.0-alpha.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate portal-pc-waffle-fuzzing 0.6.0-alpha.1
[INFO] finished tweaking crates.io crate portal-pc-waffle-fuzzing 0.6.0-alpha.1
[INFO] tweaked toml for crates.io crate portal-pc-waffle-fuzzing 0.6.0-alpha.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-pc-waffle-fuzzing 0.6.0-alpha.1 on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate portal-pc-waffle-fuzzing 0.6.0-alpha.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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea
[INFO] running `Command { std: "docker" "start" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]     Checking rustc-std-workspace-alloc v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling wasm-encoder v0.241.2
[INFO] [stderr]    Compiling wasmparser v0.241.2
[INFO] [stderr]     Checking arena-traits v0.2.3
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]     Checking polonius-the-crab v0.2.1
[INFO] [stderr]     Checking never-say-never v6.6.666
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking wasm-encoder v0.202.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking flagset v0.4.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking macro_rules_attribute v0.1.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.9
[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/24e1a22664233bce1f9b5dc6eee7c1f74327e28c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=5e48924a270cb65c -C extra-filename=-f72ff6d94df15971 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc1fd0f4d59463bc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bc6b090314aa3ed5.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea", kill_on_drop: false }`
[INFO] [stdout] 4579a303f1903ed6ffcadd4e5ac0cfb5a87e379f5f5fe61a08dcb6a80fd030ea
