[INFO] crate cpp_to_rust 0.5.3 is already in cache
[INFO] extracting crate cpp_to_rust 0.5.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/cpp_to_rust/0.5.3
[INFO] extracting crate cpp_to_rust 0.5.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cpp_to_rust/0.5.3
[INFO] validating manifest of cpp_to_rust-0.5.3 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 cpp_to_rust-0.5.3 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 cpp_to_rust-0.5.3
[INFO] finished frobbing cpp_to_rust-0.5.3
[INFO] frobbed toml for cpp_to_rust-0.5.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cpp_to_rust/0.5.3/Cargo.toml
[INFO] started frobbing cpp_to_rust-0.5.3
[INFO] finished frobbing cpp_to_rust-0.5.3
[INFO] frobbed toml for cpp_to_rust-0.5.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cpp_to_rust/0.5.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cpp_to_rust-0.5.3 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/cpp_to_rust/0.5.3:/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] f6387d566d17f50b67ccc9932702d2dbb70ebd6f5ecb80a830a40d00f372d043
[INFO] running `"docker" "start" "-a" "f6387d566d17f50b67ccc9932702d2dbb70ebd6f5ecb80a830a40d00f372d043"`
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling ansi_term v0.8.0
[INFO] [stderr]    Compiling multimap v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling syntex_pos v0.44.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.13.0
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling term_size v0.1.1
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling clap v2.10.4
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr]    Compiling syntex_errors v0.44.0
[INFO] [stderr]    Compiling strings v0.0.1
[INFO] [stderr]    Compiling rustfmt v0.6.3
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling syntex_syntax v0.54.0
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]    Compiling syntex_syntax v0.44.1
[INFO] [stderr]    Compiling clang v0.14.1
[INFO] [stderr]    Compiling select v0.3.0
[INFO] [stderr]    Compiling syntex v0.54.0
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr] error: Could not compile `syntex_syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.54.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=34c0fe051c921de1 -C extra-filename=-34c0fe051c921de1 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-b03ee8d07369378c.rmeta --extern libc=/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rmeta --extern log=/opt/crater/target/debug/deps/liblog-c97b73a8bcee9985.rmeta --extern rustc_serialize=/opt/crater/target/debug/deps/librustc_serialize-fc0a027b4489f806.rmeta --extern syntex_errors=/opt/crater/target/debug/deps/libsyntex_errors-349ec214751215b0.rmeta --extern syntex_pos=/opt/crater/target/debug/deps/libsyntex_pos-c922c27d8b69f6d1.rmeta --extern term=/opt/crater/target/debug/deps/libterm-4887c3af6eb430fc.rmeta --extern unicode_xid=/opt/crater/target/debug/deps/libunicode_xid-4f5b2e41c6081f30.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f6387d566d17f50b67ccc9932702d2dbb70ebd6f5ecb80a830a40d00f372d043"`
[INFO] running `"docker" "rm" "-f" "f6387d566d17f50b67ccc9932702d2dbb70ebd6f5ecb80a830a40d00f372d043"`
[INFO] [stdout] f6387d566d17f50b67ccc9932702d2dbb70ebd6f5ecb80a830a40d00f372d043