[INFO] crate rbx_xml 0.11.0 is already in cache
[INFO] extracting crate rbx_xml 0.11.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_xml/0.11.0
[INFO] extracting crate rbx_xml 0.11.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_xml/0.11.0
[INFO] validating manifest of rbx_xml-0.11.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rbx_xml-0.11.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rbx_xml-0.11.0
[INFO] finished frobbing rbx_xml-0.11.0
[INFO] frobbed toml for rbx_xml-0.11.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_xml/0.11.0/Cargo.toml
[INFO] started frobbing rbx_xml-0.11.0
[INFO] finished frobbing rbx_xml-0.11.0
[INFO] frobbed toml for rbx_xml-0.11.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_xml/0.11.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rbx_xml-0.11.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_xml/0.11.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7da012656f84434137c961260e621ab02f028d2be60b7230d1fe523de03a57a7
[INFO] running `"docker" "start" "-a" "7da012656f84434137c961260e621ab02f028d2be60b7230d1fe523de03a57a7"`
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling rbx_dom_weak v1.9.0
[INFO] [stderr]    Compiling rbx_reflection v3.2.395
[INFO] [stderr] error: Could not compile `rbx_reflection`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name rbx_reflection /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbx_reflection-3.2.395/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=cd501a488cd34c3b -C extra-filename=-cd501a488cd34c3b --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-c2b055ef483e7b37.rmeta --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rmeta --extern rbx_dom_weak=/opt/crater/target/debug/deps/librbx_dom_weak-977d60ad711b6982.rmeta --extern serde=/opt/crater/target/debug/deps/libserde-50e5d46514dccf4f.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "7da012656f84434137c961260e621ab02f028d2be60b7230d1fe523de03a57a7"`
[INFO] running `"docker" "rm" "-f" "7da012656f84434137c961260e621ab02f028d2be60b7230d1fe523de03a57a7"`
[INFO] [stdout] 7da012656f84434137c961260e621ab02f028d2be60b7230d1fe523de03a57a7