[INFO] updating cached repository ejmahler/SandpileFractal
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ejmahler/SandpileFractal
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ejmahler/SandpileFractal" "work/ex/beta-1.38-1/sources/1.37.0/gh/ejmahler/SandpileFractal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ejmahler/SandpileFractal'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ejmahler/SandpileFractal" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ejmahler/SandpileFractal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ejmahler/SandpileFractal'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9688de3c74c0a89c8fb331b12ad3af31579bd3a3
[INFO] sha for GitHub repo ejmahler/SandpileFractal: 9688de3c74c0a89c8fb331b12ad3af31579bd3a3
[INFO] validating manifest of ejmahler/SandpileFractal 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 ejmahler/SandpileFractal 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 ejmahler/SandpileFractal
[INFO] finished frobbing ejmahler/SandpileFractal
[INFO] frobbed toml for ejmahler/SandpileFractal written to work/ex/beta-1.38-1/sources/1.37.0/gh/ejmahler/SandpileFractal/Cargo.toml
[INFO] started frobbing ejmahler/SandpileFractal
[INFO] finished frobbing ejmahler/SandpileFractal
[INFO] frobbed toml for ejmahler/SandpileFractal written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ejmahler/SandpileFractal/Cargo.toml
[INFO] crate ejmahler/SandpileFractal 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 ejmahler/SandpileFractal 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ejmahler/SandpileFractal:/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] fe73f4e818ec9144909a7449617ddbebf3d5b7814b1d1290ce645aae9a67c160
[INFO] running `"docker" "start" "-a" "fe73f4e818ec9144909a7449617ddbebf3d5b7814b1d1290ce645aae9a67c160"`
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling bitflags v1.0.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling serde v1.0.18
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling inflate v0.3.3
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.18
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling sandpile_fractal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/compute.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 current_redist += read_iter.zip(write_iter).zip(counting_iter).map(|((input_chunk, output_chunk), counting_chunk)| process_row(input_chunk, output_chunk, counting_chunk, side_length)).sum();
[INFO] [stderr]    |                                ^^ cannot infer type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `sandpile_fractal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fe73f4e818ec9144909a7449617ddbebf3d5b7814b1d1290ce645aae9a67c160"`
[INFO] running `"docker" "rm" "-f" "fe73f4e818ec9144909a7449617ddbebf3d5b7814b1d1290ce645aae9a67c160"`
[INFO] [stdout] fe73f4e818ec9144909a7449617ddbebf3d5b7814b1d1290ce645aae9a67c160