[INFO] updating cached repository migerh/aoc2018-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/migerh/aoc2018-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/migerh/aoc2018-rs" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/migerh/aoc2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/migerh/aoc2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/migerh/aoc2018-rs" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/migerh/aoc2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/migerh/aoc2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33e7360aa13a6eafd42ab2c6923ec194541c90e8
[INFO] sha for GitHub repo migerh/aoc2018-rs: 33e7360aa13a6eafd42ab2c6923ec194541c90e8
[INFO] validating manifest of migerh/aoc2018-rs on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of migerh/aoc2018-rs on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing migerh/aoc2018-rs
[INFO] finished frobbing migerh/aoc2018-rs
[INFO] frobbed toml for migerh/aoc2018-rs written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/migerh/aoc2018-rs/Cargo.toml
[INFO] started frobbing migerh/aoc2018-rs
[INFO] finished frobbing migerh/aoc2018-rs
[INFO] frobbed toml for migerh/aoc2018-rs written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/migerh/aoc2018-rs/Cargo.toml
[INFO] crate migerh/aoc2018-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking migerh/aoc2018-rs against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-1/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/migerh/aoc2018-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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9413ffb7378b07bce6ce3f759aa0090554be227053ba112115992f524a25f11f
[INFO] running `"docker" "start" "-a" "9413ffb7378b07bce6ce3f759aa0090554be227053ba112115992f524a25f11f"`
[INFO] [stderr]     Checking y2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/day15/cave.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn print_state(state: &Vec<Vec<char>>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_units`
[INFO] [stderr]   --> src/day15/cave.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |   pub fn move_units(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attack`
[INFO] [stderr]   --> src/day15/cave.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |   pub fn attack(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_with_units_burned_in`
[INFO] [stderr]    --> src/day15/cave.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn print_with_units_burned_in(&self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/day15/cave.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn print_state(state: &Vec<Vec<char>>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_units`
[INFO] [stderr]   --> src/day15/cave.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |   pub fn move_units(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attack`
[INFO] [stderr]   --> src/day15/cave.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |   pub fn attack(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_with_units_burned_in`
[INFO] [stderr]    --> src/day15/cave.rs:163:3
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn print_with_units_burned_in(&self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "9413ffb7378b07bce6ce3f759aa0090554be227053ba112115992f524a25f11f"`
[INFO] running `"docker" "rm" "-f" "9413ffb7378b07bce6ce3f759aa0090554be227053ba112115992f524a25f11f"`
[INFO] [stdout] 9413ffb7378b07bce6ce3f759aa0090554be227053ba112115992f524a25f11f