[INFO] crate lucet-runtime-tests 0.6.1 is already in cache
[INFO] checking lucet-runtime-tests-0.6.1 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] extracting crate lucet-runtime-tests 0.6.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lucet-runtime-tests 0.6.1 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lucet-runtime-tests 0.6.1
[INFO] finished tweaking crates.io crate lucet-runtime-tests 0.6.1
[INFO] tweaked toml for crates.io crate lucet-runtime-tests 0.6.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6c18f1bc4bff14951c0a9aab21219d461052d3890ffef844346e500c1f3dc44
[INFO] running `Command { std: "docker" "start" "-a" "d6c18f1bc4bff14951c0a9aab21219d461052d3890ffef844346e500c1f3dc44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c18f1bc4bff14951c0a9aab21219d461052d3890ffef844346e500c1f3dc44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c18f1bc4bff14951c0a9aab21219d461052d3890ffef844346e500c1f3dc44", kill_on_drop: false }`
[INFO] [stdout] d6c18f1bc4bff14951c0a9aab21219d461052d3890ffef844346e500c1f3dc44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a9cbc14f7cda69bdc4c5c92d93f3710332479fca541f829d51d7ad21edfc782
[INFO] running `Command { std: "docker" "start" "-a" "6a9cbc14f7cda69bdc4c5c92d93f3710332479fca541f829d51d7ad21edfc782", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling lucet-runtime-internals v0.6.1
[INFO] [stderr]    Compiling lucet-runtime-tests v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wabt-sys v0.7.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.35/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --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"' -C metadata=e56289b900667890 -C extra-filename=-e56289b900667890 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-194003952cd3c42e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f7ea4c9bef36e8af.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-460f9c27fbb1b178.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6a9cbc14f7cda69bdc4c5c92d93f3710332479fca541f829d51d7ad21edfc782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9cbc14f7cda69bdc4c5c92d93f3710332479fca541f829d51d7ad21edfc782", kill_on_drop: false }`
[INFO] [stdout] 6a9cbc14f7cda69bdc4c5c92d93f3710332479fca541f829d51d7ad21edfc782