[INFO] crate lucet-runtime-tests 0.6.1 is already in cache
[INFO] checking lucet-runtime-tests-0.6.1 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate lucet-runtime-tests 0.6.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lucet-runtime-tests 0.6.1 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1007b38511a2536bf59ffd0ddb554a07809d7aece5137330a9a0959db7ac976d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1007b38511a2536bf59ffd0ddb554a07809d7aece5137330a9a0959db7ac976d"`
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]     Checking cranelift-entity v0.51.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking parity-wasm v0.40.3
[INFO] [stderr]     Checking wasmparser v0.39.3
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling lucetc v0.6.1
[INFO] [stderr]     Checking xfailure v0.1.0
[INFO] [stderr]    Compiling lucet-runtime-internals v0.6.1
[INFO] [stderr]     Checking bimap v0.2.0
[INFO] [stderr]    Compiling lucet-runtime-tests v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wabt-sys v0.7.1
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking backtrace-sys v0.1.34
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking wast v3.0.4
[INFO] [stderr]     Checking cranelift-bforest v0.51.0
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking minisign v0.5.14
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[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-1.0.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -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=603c8ca6d1c43b11 -C extra-filename=-603c8ca6d1c43b11 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6f76a9875ef77161.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a5457db00009c8ed.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e0112ff07b682e88.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 `"docker" "inspect" "1007b38511a2536bf59ffd0ddb554a07809d7aece5137330a9a0959db7ac976d"`
[INFO] running `"docker" "rm" "-f" "1007b38511a2536bf59ffd0ddb554a07809d7aece5137330a9a0959db7ac976d"`
[INFO] [stdout] 1007b38511a2536bf59ffd0ddb554a07809d7aece5137330a9a0959db7ac976d