[INFO] updating cached repository joshgarnett/adventofcode2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joshgarnett/adventofcode2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joshgarnett/adventofcode2018" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/joshgarnett/adventofcode2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/joshgarnett/adventofcode2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joshgarnett/adventofcode2018" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/joshgarnett/adventofcode2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/joshgarnett/adventofcode2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de39199d75408ca8a51dde3b17da7c0e21e57a2a
[INFO] sha for GitHub repo joshgarnett/adventofcode2018: de39199d75408ca8a51dde3b17da7c0e21e57a2a
[INFO] validating manifest of joshgarnett/adventofcode2018 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joshgarnett/adventofcode2018 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joshgarnett/adventofcode2018
[INFO] finished frobbing joshgarnett/adventofcode2018
[INFO] frobbed toml for joshgarnett/adventofcode2018 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/joshgarnett/adventofcode2018/Cargo.toml
[INFO] started frobbing joshgarnett/adventofcode2018
[INFO] finished frobbing joshgarnett/adventofcode2018
[INFO] frobbed toml for joshgarnett/adventofcode2018 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/joshgarnett/adventofcode2018/Cargo.toml
[INFO] crate joshgarnett/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking joshgarnett/adventofcode2018 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-1/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/joshgarnett/adventofcode2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40b95696fe13cef4e7bf9ab44592d2e7badadac08ebe96a48db39be9fd1511a8
[INFO] running `"docker" "start" "-a" "40b95696fe13cef4e7bf9ab44592d2e7badadac08ebe96a48db39be9fd1511a8"`
[INFO] [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/mod.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut data = line.unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/mod.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut data = line.unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "40b95696fe13cef4e7bf9ab44592d2e7badadac08ebe96a48db39be9fd1511a8"`
[INFO] running `"docker" "rm" "-f" "40b95696fe13cef4e7bf9ab44592d2e7badadac08ebe96a48db39be9fd1511a8"`
[INFO] [stdout] 40b95696fe13cef4e7bf9ab44592d2e7badadac08ebe96a48db39be9fd1511a8