[INFO] crate picorv32-rt 0.5.0 is already in cache
[INFO] extracting crate picorv32-rt 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/picorv32-rt/0.5.0
[INFO] extracting crate picorv32-rt 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/picorv32-rt/0.5.0
[INFO] validating manifest of picorv32-rt-0.5.0 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 picorv32-rt-0.5.0 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 picorv32-rt-0.5.0
[INFO] finished frobbing picorv32-rt-0.5.0
[INFO] frobbed toml for picorv32-rt-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/picorv32-rt/0.5.0/Cargo.toml
[INFO] started frobbing picorv32-rt-0.5.0
[INFO] finished frobbing picorv32-rt-0.5.0
[INFO] frobbed toml for picorv32-rt-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/picorv32-rt/0.5.0/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 picorv32-rt-0.5.0 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-0/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/picorv32-rt/0.5.0:/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] bea323517335909251fce172b63ec408b7c1d811052bb83734347572e451d97a
[INFO] running `"docker" "start" "-a" "bea323517335909251fce172b63ec408b7c1d811052bb83734347572e451d97a"`
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling picorv32-rt v0.5.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling picorv32 v0.1.3
[INFO] [stderr]    Compiling picorv32-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `"docker" "inspect" "bea323517335909251fce172b63ec408b7c1d811052bb83734347572e451d97a"`
[INFO] running `"docker" "rm" "-f" "bea323517335909251fce172b63ec408b7c1d811052bb83734347572e451d97a"`
[INFO] [stdout] bea323517335909251fce172b63ec408b7c1d811052bb83734347572e451d97a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/picorv32-rt/0.5.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04d6abf57b96da81e30cd6e54616e46df5e40c082d76a712e1927f0896e1a708
[INFO] running `"docker" "start" "-a" "04d6abf57b96da81e30cd6e54616e46df5e40c082d76a712e1927f0896e1a708"`
[INFO] [stderr]    Compiling picorv32-rt v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] rustc: /checkout/src/llvm-project/llvm/include/llvm/Support/Casting.h:264: typename cast_retty<X, Y *>::ret_type llvm::cast(Y *) [X = llvm::Function, Y = llvm::Value]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
[INFO] [stderr] error: Could not compile `picorv32-rt`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name picorv32_rt src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="compressed-isa"' --cfg 'feature="default"' -C metadata=5ddc10c408fb9d09 -C extra-filename=-5ddc10c408fb9d09 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern picorv32=/opt/crater/target/debug/deps/libpicorv32-f2490341e27bb288.rlib --extern picorv32_rt_macros=/opt/crater/target/debug/deps/libpicorv32_rt_macros-7e7e747077cff398.so --extern r0=/opt/crater/target/debug/deps/libr0-ec707ca084291704.rlib --extern riscv=/opt/crater/target/debug/deps/libriscv-5a630646a8e4bbfe.rlib --cap-lints=warn -L /opt/crater/target/debug/build/picorv32-rt-24f4f0a0dbb04c3f/out` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "04d6abf57b96da81e30cd6e54616e46df5e40c082d76a712e1927f0896e1a708"`
[INFO] running `"docker" "rm" "-f" "04d6abf57b96da81e30cd6e54616e46df5e40c082d76a712e1927f0896e1a708"`
[INFO] [stdout] 04d6abf57b96da81e30cd6e54616e46df5e40c082d76a712e1927f0896e1a708