[INFO] updating cached repository thebigbrain/vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thebigbrain/vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thebigbrain/vm" "work/ex/beta-1.38-1/sources/1.37.0/gh/thebigbrain/vm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thebigbrain/vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thebigbrain/vm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thebigbrain/vm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thebigbrain/vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 38317437f71738454f5869209dabd8531d1e1d93
[INFO] sha for GitHub repo thebigbrain/vm: 38317437f71738454f5869209dabd8531d1e1d93
[INFO] validating manifest of thebigbrain/vm 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 thebigbrain/vm 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 thebigbrain/vm
[INFO] finished frobbing thebigbrain/vm
[INFO] frobbed toml for thebigbrain/vm written to work/ex/beta-1.38-1/sources/1.37.0/gh/thebigbrain/vm/Cargo.toml
[INFO] started frobbing thebigbrain/vm
[INFO] finished frobbing thebigbrain/vm
[INFO] frobbed toml for thebigbrain/vm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thebigbrain/vm/Cargo.toml
[INFO] crate thebigbrain/vm already has a lockfile, it will not be regenerated
[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 thebigbrain/vm against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/thebigbrain/vm:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 237d7d0264c71b47c7c9216c1951dd44fe873f7f03a1e558d6760223a0690939
[INFO] running `"docker" "start" "-a" "237d7d0264c71b47c7c9216c1951dd44fe873f7f03a1e558d6760223a0690939"`
[INFO] [stderr]    Compiling turbofan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `(` or `<`, found `generate_decoder`
[INFO] [stderr]   --> src/wasm/wasm_section.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn function generate_decoder(code) -> Box<Fn(&Vec<u8>, usize) -> SectionPayload> {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ expected one of `(` or `<` here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `turbofan`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "237d7d0264c71b47c7c9216c1951dd44fe873f7f03a1e558d6760223a0690939"`
[INFO] running `"docker" "rm" "-f" "237d7d0264c71b47c7c9216c1951dd44fe873f7f03a1e558d6760223a0690939"`
[INFO] [stdout] 237d7d0264c71b47c7c9216c1951dd44fe873f7f03a1e558d6760223a0690939