[INFO] updating cached repository DominicBurkart/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DominicBurkart/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DominicBurkart/advent_of_code_2018" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DominicBurkart/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DominicBurkart/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DominicBurkart/advent_of_code_2018" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/DominicBurkart/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/DominicBurkart/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 400f4304d29ba2c84863140e3692185384da9968
[INFO] sha for GitHub repo DominicBurkart/advent_of_code_2018: 400f4304d29ba2c84863140e3692185384da9968
[INFO] validating manifest of DominicBurkart/advent_of_code_2018 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DominicBurkart/advent_of_code_2018 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DominicBurkart/advent_of_code_2018
[INFO] finished frobbing DominicBurkart/advent_of_code_2018
[INFO] frobbed toml for DominicBurkart/advent_of_code_2018 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DominicBurkart/advent_of_code_2018/Cargo.toml
[INFO] started frobbing DominicBurkart/advent_of_code_2018
[INFO] finished frobbing DominicBurkart/advent_of_code_2018
[INFO] frobbed toml for DominicBurkart/advent_of_code_2018 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/DominicBurkart/advent_of_code_2018/Cargo.toml
[INFO] crate DominicBurkart/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DominicBurkart/advent_of_code_2018 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DominicBurkart/advent_of_code_2018:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e52720fc7531096aed5800a222f9b5d2bc4258868c4547d362133f30624dd0c6
[INFO] running `"docker" "start" "-a" "e52720fc7531096aed5800a222f9b5d2bc4258868c4547d362133f30624dd0c6"`
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking advent_of_code_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/main.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 30 |     inputs.iter().map(|file_string| {*file_string.clone().split("\n").collect()}).collect()
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for `B`
[INFO] [stderr]    |
[INFO] [stderr]    = note: type must be known at this point
[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 `advent_of_code_2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/main.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 30 |     inputs.iter().map(|file_string| {*file_string.clone().split("\n").collect()}).collect()
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for `B`
[INFO] [stderr]    |
[INFO] [stderr]    = note: type must be known at this point
[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 `advent_of_code_2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e52720fc7531096aed5800a222f9b5d2bc4258868c4547d362133f30624dd0c6"`
[INFO] running `"docker" "rm" "-f" "e52720fc7531096aed5800a222f9b5d2bc4258868c4547d362133f30624dd0c6"`
[INFO] [stdout] e52720fc7531096aed5800a222f9b5d2bc4258868c4547d362133f30624dd0c6