[INFO] updating cached repository https://github.com/DominicBurkart/advent_of_code_2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 400f4304d29ba2c84863140e3692185384da9968
[INFO] checking DominicBurkart/advent_of_code_2018 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicBurkart%2Fadvent_of_code_2018" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DominicBurkart/advent_of_code_2018 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DominicBurkart/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/DominicBurkart/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/DominicBurkart/advent_of_code_2018 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DominicBurkart/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6606eacf2e2aa72a0e2935d706511c28696c2dd682ebc097f62837719747875d
[INFO] running `"docker" "start" "-a" "6606eacf2e2aa72a0e2935d706511c28696c2dd682ebc097f62837719747875d"`
[INFO] [stderr]     Checking advent_of_code_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/main.rs:30:71
[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:30:71
[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" "6606eacf2e2aa72a0e2935d706511c28696c2dd682ebc097f62837719747875d"`
[INFO] running `"docker" "rm" "-f" "6606eacf2e2aa72a0e2935d706511c28696c2dd682ebc097f62837719747875d"`
[INFO] [stdout] 6606eacf2e2aa72a0e2935d706511c28696c2dd682ebc097f62837719747875d