[INFO] cloning repository https://github.com/enigmampc/WasmiMemoryTest
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enigmampc/WasmiMemoryTest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenigmampc%2FWasmiMemoryTest"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenigmampc%2FWasmiMemoryTest'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c37910ab082a18dcf6d7de6009c9ea5751807aa1
[INFO] checking enigmampc/WasmiMemoryTest against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenigmampc%2FWasmiMemoryTest" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enigmampc/WasmiMemoryTest on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/enigmampc/WasmiMemoryTest
[INFO] finished tweaking git repo https://github.com/enigmampc/WasmiMemoryTest
[INFO] tweaked toml for git repo https://github.com/enigmampc/WasmiMemoryTest written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/enigmampc/WasmiMemoryTest already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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-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" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57a25c55d871020dfbd3bbbc5dae565b54ee46ae70d490d86a7f39212761e3c2
[INFO] running `"docker" "start" "-a" "57a25c55d871020dfbd3bbbc5dae565b54ee46ae70d490d86a7f39212761e3c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling wabt-sys v0.7.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking wasmi-validation v0.3.0 (https://github.com/paritytech/wasmi#39a18a43)
[INFO] [stderr]     Checking wasmi v0.6.2 (https://github.com/paritytech/wasmi#39a18a43)
[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-1.0.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=29f51039dae6aefa -C extra-filename=-29f51039dae6aefa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-84f86da23e41b56f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d6eb69f4b330ef1a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-78174849e41719c0.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" "57a25c55d871020dfbd3bbbc5dae565b54ee46ae70d490d86a7f39212761e3c2"`
[INFO] running `"docker" "rm" "-f" "57a25c55d871020dfbd3bbbc5dae565b54ee46ae70d490d86a7f39212761e3c2"`
[INFO] [stdout] 57a25c55d871020dfbd3bbbc5dae565b54ee46ae70d490d86a7f39212761e3c2