[INFO] updating cached repository Beskhue/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Beskhue/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Beskhue/advent-of-code-2018" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Beskhue/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Beskhue/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Beskhue/advent-of-code-2018" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Beskhue/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Beskhue/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4045854c098ce940f65b84fdde7c61aeabcf381b
[INFO] sha for GitHub repo Beskhue/advent-of-code-2018: 4045854c098ce940f65b84fdde7c61aeabcf381b
[INFO] validating manifest of Beskhue/advent-of-code-2018 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Beskhue/advent-of-code-2018 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Beskhue/advent-of-code-2018
[INFO] finished frobbing Beskhue/advent-of-code-2018
[INFO] frobbed toml for Beskhue/advent-of-code-2018 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Beskhue/advent-of-code-2018/Cargo.toml
[INFO] started frobbing Beskhue/advent-of-code-2018
[INFO] finished frobbing Beskhue/advent-of-code-2018
[INFO] frobbed toml for Beskhue/advent-of-code-2018 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Beskhue/advent-of-code-2018/Cargo.toml
[INFO] crate Beskhue/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Beskhue/advent-of-code-2018 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Beskhue/advent-of-code-2018:/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c49704ec5358a963151acf9e047c66743d74489c9025038530650c0b7ff98cf
[INFO] running `"docker" "start" "-a" "1c49704ec5358a963151acf9e047c66743d74489c9025038530650c0b7ff98cf"`
[INFO] [stderr]     Checking euclid v0.19.3
[INFO] [stderr]     Checking advent_of_code_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `conserve_momentum`
[INFO] [stderr]   --> src/december10.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn conserve_momentum(sky: &mut Sky) -> (Sky, i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lines_from_file`
[INFO] [stderr]   --> src/utils.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / pub fn lines_from_file<P>(filename: P) -> io::Result<Vec<String>>
[INFO] [stderr] 6  | | where
[INFO] [stderr] 7  | |     P: AsRef<Path>,
[INFO] [stderr] 8  | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |     buf.lines().collect()
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lines_from_file`
[INFO] [stderr]   --> src/utils.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / pub fn lines_from_file<P>(filename: P) -> io::Result<Vec<String>>
[INFO] [stderr] 6  | | where
[INFO] [stderr] 7  | |     P: AsRef<Path>,
[INFO] [stderr] 8  | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |     buf.lines().collect()
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.71s
[INFO] running `"docker" "inspect" "1c49704ec5358a963151acf9e047c66743d74489c9025038530650c0b7ff98cf"`
[INFO] running `"docker" "rm" "-f" "1c49704ec5358a963151acf9e047c66743d74489c9025038530650c0b7ff98cf"`
[INFO] [stdout] 1c49704ec5358a963151acf9e047c66743d74489c9025038530650c0b7ff98cf