[INFO] fetching crate cxx 0.2.9...
[INFO] testing cxx-0.2.9 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate cxx 0.2.9 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cxx 0.2.9 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cxx 0.2.9
[INFO] finished tweaking crates.io crate cxx 0.2.9
[INFO] tweaked toml for crates.io crate cxx 0.2.9 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] a837db1f5abfb4f2a2a59406c5c5ba17ee85301e49c2bd037d46e5faa60ffc8e
[INFO] running `"docker" "start" "-a" "a837db1f5abfb4f2a2a59406c5c5ba17ee85301e49c2bd037d46e5faa60ffc8e"`
[INFO] [stderr]    Compiling cxx v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling cxxbridge-macro v0.2.9
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.66s
[INFO] running `"docker" "inspect" "a837db1f5abfb4f2a2a59406c5c5ba17ee85301e49c2bd037d46e5faa60ffc8e"`
[INFO] running `"docker" "rm" "-f" "a837db1f5abfb4f2a2a59406c5c5ba17ee85301e49c2bd037d46e5faa60ffc8e"`
[INFO] [stdout] a837db1f5abfb4f2a2a59406c5c5ba17ee85301e49c2bd037d46e5faa60ffc8e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 214f7c64f38898834adfc73cf66a3f0d2c521d997bc6ee8b00e62a279c7bd741
[INFO] running `"docker" "start" "-a" "214f7c64f38898834adfc73cf66a3f0d2c521d997bc6ee8b00e62a279c7bd741"`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cxx-test-suite v0.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling rustversion v1.0.2
[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" "214f7c64f38898834adfc73cf66a3f0d2c521d997bc6ee8b00e62a279c7bd741"`
[INFO] running `"docker" "rm" "-f" "214f7c64f38898834adfc73cf66a3f0d2c521d997bc6ee8b00e62a279c7bd741"`
[INFO] [stdout] 214f7c64f38898834adfc73cf66a3f0d2c521d997bc6ee8b00e62a279c7bd741