[INFO] crate sdc-parser 0.1.1 is already in cache
[INFO] extracting crate sdc-parser 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/sdc-parser/0.1.1
[INFO] extracting crate sdc-parser 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sdc-parser/0.1.1
[INFO] validating manifest of sdc-parser-0.1.1 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 sdc-parser-0.1.1 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 sdc-parser-0.1.1
[INFO] finished frobbing sdc-parser-0.1.1
[INFO] frobbed toml for sdc-parser-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sdc-parser/0.1.1/Cargo.toml
[INFO] started frobbing sdc-parser-0.1.1
[INFO] finished frobbing sdc-parser-0.1.1
[INFO] frobbed toml for sdc-parser-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sdc-parser/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sdc-parser-0.1.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sdc-parser/0.1.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f506063c43335c3ef76dee7442bdd23198784593b9639eff582ac88ac7edd183
[INFO] running `"docker" "start" "-a" "f506063c43335c3ef76dee7442bdd23198784593b9639eff582ac88ac7edd183"`
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling sdc-parser v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sdc-parser`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name sdc_parser src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=1844772c7e7af56a -C extra-filename=-1844772c7e7af56a --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern combine=/opt/crater/target/debug/deps/libcombine-2501c7839fe5b6aa.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-1b2f7beab45333aa.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-897f45a579ca139a/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f506063c43335c3ef76dee7442bdd23198784593b9639eff582ac88ac7edd183"`
[INFO] running `"docker" "rm" "-f" "f506063c43335c3ef76dee7442bdd23198784593b9639eff582ac88ac7edd183"`
[INFO] [stdout] f506063c43335c3ef76dee7442bdd23198784593b9639eff582ac88ac7edd183