[INFO] updating cached repository c-okelly/advent_of_code_2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/c-okelly/advent_of_code_2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/c-okelly/advent_of_code_2017" "work/ex/beta-1.38-1/sources/1.37.0/gh/c-okelly/advent_of_code_2017"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/c-okelly/advent_of_code_2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/c-okelly/advent_of_code_2017" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-okelly/advent_of_code_2017"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-okelly/advent_of_code_2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3985f790daf8c6b296fd29a508c27b3ae5b7fb7c
[INFO] sha for GitHub repo c-okelly/advent_of_code_2017: 3985f790daf8c6b296fd29a508c27b3ae5b7fb7c
[INFO] validating manifest of c-okelly/advent_of_code_2017 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 c-okelly/advent_of_code_2017 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 c-okelly/advent_of_code_2017
[INFO] finished frobbing c-okelly/advent_of_code_2017
[INFO] frobbed toml for c-okelly/advent_of_code_2017 written to work/ex/beta-1.38-1/sources/1.37.0/gh/c-okelly/advent_of_code_2017/Cargo.toml
[INFO] started frobbing c-okelly/advent_of_code_2017
[INFO] finished frobbing c-okelly/advent_of_code_2017
[INFO] frobbed toml for c-okelly/advent_of_code_2017 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-okelly/advent_of_code_2017/Cargo.toml
[INFO] crate c-okelly/advent_of_code_2017 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 c-okelly/advent_of_code_2017 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/c-okelly/advent_of_code_2017:/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] 04b141125ed2f21ea2f9f04dec5922c663a9b758f727bccc2e18fd366b53f346
[INFO] running `"docker" "start" "-a" "04b141125ed2f21ea2f9f04dec5922c663a9b758f727bccc2e18fd366b53f346"`
[INFO] [stderr]    Compiling advent_of_code_2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `split` in this scope
[INFO] [stderr]   --> src/day01.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let splitString = split.collect::<Vec<&buffer>>();
[INFO] [stderr]    |                       ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0573]: expected type, found local variable `buffer`
[INFO] [stderr]   --> src/day01.rs:13:44
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let splitString = split.collect::<Vec<&buffer>>();
[INFO] [stderr]    |                                            ^^^^^^ not a type
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Split`
[INFO] [stderr]  --> src/day01.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use std::str::Split;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `advent_of_code_2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "04b141125ed2f21ea2f9f04dec5922c663a9b758f727bccc2e18fd366b53f346"`
[INFO] running `"docker" "rm" "-f" "04b141125ed2f21ea2f9f04dec5922c663a9b758f727bccc2e18fd366b53f346"`
[INFO] [stdout] 04b141125ed2f21ea2f9f04dec5922c663a9b758f727bccc2e18fd366b53f346