[INFO] updating cached repository Bestra/advent-2018-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Bestra/advent-2018-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Bestra/advent-2018-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bestra/advent-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bestra/advent-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Bestra/advent-2018-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bestra/advent-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bestra/advent-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c8897c54b4e52c5153a7f2c99a502fadef02306
[INFO] sha for GitHub repo Bestra/advent-2018-rs: 4c8897c54b4e52c5153a7f2c99a502fadef02306
[INFO] validating manifest of Bestra/advent-2018-rs 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 Bestra/advent-2018-rs 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 Bestra/advent-2018-rs
[INFO] finished frobbing Bestra/advent-2018-rs
[INFO] frobbed toml for Bestra/advent-2018-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bestra/advent-2018-rs/Cargo.toml
[INFO] started frobbing Bestra/advent-2018-rs
[INFO] finished frobbing Bestra/advent-2018-rs
[INFO] frobbed toml for Bestra/advent-2018-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Bestra/advent-2018-rs/Cargo.toml
[INFO] crate Bestra/advent-2018-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Bestra/advent-2018-rs against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Bestra/advent-2018-rs:/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] e35821ce9df5a64a66b40e7366392f267b77cf5bb962587c7ffca70f28b2363a
[INFO] running `"docker" "start" "-a" "e35821ce9df5a64a66b40e7366392f267b77cf5bb962587c7ffca70f28b2363a"`
[INFO] [stderr]     Checking maplit v1.0.0
[INFO] [stderr]    Compiling ncurses v5.88.0
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking cursive v0.7.5
[INFO] [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `split`
[INFO] [stderr]   --> src/day_4.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn split(s: &str) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `"docker" "inspect" "e35821ce9df5a64a66b40e7366392f267b77cf5bb962587c7ffca70f28b2363a"`
[INFO] running `"docker" "rm" "-f" "e35821ce9df5a64a66b40e7366392f267b77cf5bb962587c7ffca70f28b2363a"`
[INFO] [stdout] e35821ce9df5a64a66b40e7366392f267b77cf5bb962587c7ffca70f28b2363a