[INFO] crate cxx 0.3.4 is already in cache
[INFO] testing cxx-0.3.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate cxx 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cxx 0.3.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cxx 0.3.4
[INFO] finished tweaking crates.io crate cxx 0.3.4
[INFO] tweaked toml for crates.io crate cxx 0.3.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c594bb0564836c62b1a788821eb72d1eeb37c37fb813c04bb3422d8b124516be
[INFO] running `"docker" "start" "-a" "c594bb0564836c62b1a788821eb72d1eeb37c37fb813c04bb3422d8b124516be"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling link-cplusplus v1.0.1
[INFO] [stderr]    Compiling cxx v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling cxxbridge-macro v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.59s
[INFO] running `"docker" "inspect" "c594bb0564836c62b1a788821eb72d1eeb37c37fb813c04bb3422d8b124516be"`
[INFO] running `"docker" "rm" "-f" "c594bb0564836c62b1a788821eb72d1eeb37c37fb813c04bb3422d8b124516be"`
[INFO] [stdout] c594bb0564836c62b1a788821eb72d1eeb37c37fb813c04bb3422d8b124516be
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1884b1e7458ca1cafc1bd96921d03f61d2a85c6adf88ac12271cc73753db1db0
[INFO] running `"docker" "start" "-a" "1884b1e7458ca1cafc1bd96921d03f61d2a85c6adf88ac12271cc73753db1db0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling dissimilar v1.0.1
[INFO] [stderr]    Compiling cxx-test-suite v0.0.0
[INFO] [stderr]    Compiling codespan-reporting v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr] error: expected item, found `@`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cxx-test-suite-0.0.0/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | @
[INFO] [stderr]   | ^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cxx-test-suite`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1884b1e7458ca1cafc1bd96921d03f61d2a85c6adf88ac12271cc73753db1db0"`
[INFO] running `"docker" "rm" "-f" "1884b1e7458ca1cafc1bd96921d03f61d2a85c6adf88ac12271cc73753db1db0"`
[INFO] [stdout] 1884b1e7458ca1cafc1bd96921d03f61d2a85c6adf88ac12271cc73753db1db0