[INFO] fetching crate typedb 0.8.1...
[INFO] extracting crate typedb 0.8.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/typedb/0.8.1
[INFO] extracting crate typedb 0.8.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/typedb/0.8.1
[INFO] validating manifest of typedb-0.8.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of typedb-0.8.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing typedb-0.8.1
[INFO] finished frobbing typedb-0.8.1
[INFO] frobbed toml for typedb-0.8.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/typedb/0.8.1/Cargo.toml
[INFO] started frobbing typedb-0.8.1
[INFO] finished frobbing typedb-0.8.1
[INFO] frobbed toml for typedb-0.8.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/typedb/0.8.1/Cargo.toml
[INFO] crate typedb-0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded persy v0.5.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing typedb-0.8.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/typedb/0.8.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c4c3e4d60023f96169dd745c744f26511cba06b588a656bf3931f26b3a64b5a2
[INFO] running `"docker" "start" "-a" "c4c3e4d60023f96169dd745c744f26511cba06b588a656bf3931f26b3a64b5a2"`
[INFO] [stderr]    Compiling unsigned-varint v0.2.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling persy v0.5.0
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr] error: Could not compile `persy`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name persy /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/persy-0.5.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=5878efcdbcf16eea -C extra-filename=-5878efcdbcf16eea --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern byteorder=/opt/crater/target/debug/deps/libbyteorder-1ca0e27fd3a97256.rlib --extern crc=/opt/crater/target/debug/deps/libcrc-e790c3c4ab96a0d5.rlib --extern data_encoding=/opt/crater/target/debug/deps/libdata_encoding-a9247c1fd6fe52bb.rlib --extern fs2=/opt/crater/target/debug/deps/libfs2-20bd7c7b4683f454.rlib --extern linked_hash_map=/opt/crater/target/debug/deps/liblinked_hash_map-938e708a1661229b.rlib --extern rand=/opt/crater/target/debug/deps/librand-6af85c75b0db9de2.rlib --extern unsigned_varint=/opt/crater/target/debug/deps/libunsigned_varint-47bf57af63bbd2dd.rlib --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "c4c3e4d60023f96169dd745c744f26511cba06b588a656bf3931f26b3a64b5a2"`
[INFO] running `"docker" "rm" "-f" "c4c3e4d60023f96169dd745c744f26511cba06b588a656bf3931f26b3a64b5a2"`
[INFO] [stdout] c4c3e4d60023f96169dd745c744f26511cba06b588a656bf3931f26b3a64b5a2