[INFO] crate riscv-minimal-rt 0.5.0 is already in cache
[INFO] extracting crate riscv-minimal-rt 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/riscv-minimal-rt/0.5.0
[INFO] extracting crate riscv-minimal-rt 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/riscv-minimal-rt/0.5.0
[INFO] validating manifest of riscv-minimal-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 riscv-minimal-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 riscv-minimal-rt-0.5.0
[INFO] finished frobbing riscv-minimal-rt-0.5.0
[INFO] frobbed toml for riscv-minimal-rt-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/riscv-minimal-rt/0.5.0/Cargo.toml
[INFO] started frobbing riscv-minimal-rt-0.5.0
[INFO] finished frobbing riscv-minimal-rt-0.5.0
[INFO] frobbed toml for riscv-minimal-rt-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/riscv-minimal-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 riscv-minimal-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-7/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/riscv-minimal-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] 2fce3594e6e26d841685e5992eed770974cdc9b7c7229f8b8e6b5b6c1690553b
[INFO] running `"docker" "start" "-a" "2fce3594e6e26d841685e5992eed770974cdc9b7c7229f8b8e6b5b6c1690553b"`
[INFO] [stderr]    Compiling riscv-minimal-rt v0.5.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling riscv-minimal-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "2fce3594e6e26d841685e5992eed770974cdc9b7c7229f8b8e6b5b6c1690553b"`
[INFO] running `"docker" "rm" "-f" "2fce3594e6e26d841685e5992eed770974cdc9b7c7229f8b8e6b5b6c1690553b"`
[INFO] [stdout] 2fce3594e6e26d841685e5992eed770974cdc9b7c7229f8b8e6b5b6c1690553b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/riscv-minimal-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] 92c41fb4e1fe6583d7b1081d0519a258a8a65fb426e02c5b9c0eafb4899eaaf2
[INFO] running `"docker" "start" "-a" "92c41fb4e1fe6583d7b1081d0519a258a8a65fb426e02c5b9c0eafb4899eaaf2"`
[INFO] [stderr]    Compiling riscv-minimal-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 `riscv-minimal-rt`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name riscv_minimal_rt src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="compressed-isa"' --cfg 'feature="default"' -C metadata=2cdb942b1d527774 -C extra-filename=-2cdb942b1d527774 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern r0=/opt/crater/target/debug/deps/libr0-ec707ca084291704.rlib --extern riscv=/opt/crater/target/debug/deps/libriscv-5a630646a8e4bbfe.rlib --extern riscv_minimal_rt_macros=/opt/crater/target/debug/deps/libriscv_minimal_rt_macros-9a7db8c596886b7f.so --cap-lints=warn -L /opt/crater/target/debug/build/riscv-minimal-rt-2c911a7df37019d4/out` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "92c41fb4e1fe6583d7b1081d0519a258a8a65fb426e02c5b9c0eafb4899eaaf2"`
[INFO] running `"docker" "rm" "-f" "92c41fb4e1fe6583d7b1081d0519a258a8a65fb426e02c5b9c0eafb4899eaaf2"`
[INFO] [stdout] 92c41fb4e1fe6583d7b1081d0519a258a8a65fb426e02c5b9c0eafb4899eaaf2