[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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ejmahler/SandpileFractal"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ejmahler/SandpileFractal'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ejmahler/SandpileFractal" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ejmahler/SandpileFractal"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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 master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ejmahler/SandpileFractal on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ejmahler/SandpileFractal against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2d05f1d80cee651f93d1d4398e414b91e73b15dc78d64340bdb9416c03a7ee45
[INFO] running `"docker" "start" "-a" "2d05f1d80cee651f93d1d4398e414b91e73b15dc78d64340bdb9416c03a7ee45"`
[INFO] [stderr]     Checking serde v1.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.18
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking 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[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] warning: build failed, waiting for other jobs to finish...
[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" "2d05f1d80cee651f93d1d4398e414b91e73b15dc78d64340bdb9416c03a7ee45"`
[INFO] running `"docker" "rm" "-f" "2d05f1d80cee651f93d1d4398e414b91e73b15dc78d64340bdb9416c03a7ee45"`
[INFO] [stdout] 2d05f1d80cee651f93d1d4398e414b91e73b15dc78d64340bdb9416c03a7ee45