[INFO] updating cached repository jimblandy/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jimblandy/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/advent-of-code-2018" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jimblandy/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jimblandy/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/advent-of-code-2018" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jimblandy/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jimblandy/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41de84e15d1173222efc75499e25d82128095898
[INFO] sha for GitHub repo jimblandy/advent-of-code-2018: 41de84e15d1173222efc75499e25d82128095898
[INFO] validating manifest of jimblandy/advent-of-code-2018 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jimblandy/advent-of-code-2018 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jimblandy/advent-of-code-2018
[INFO] finished frobbing jimblandy/advent-of-code-2018
[INFO] frobbed toml for jimblandy/advent-of-code-2018 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jimblandy/advent-of-code-2018/Cargo.toml
[INFO] started frobbing jimblandy/advent-of-code-2018
[INFO] finished frobbing jimblandy/advent-of-code-2018
[INFO] frobbed toml for jimblandy/advent-of-code-2018 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jimblandy/advent-of-code-2018/Cargo.toml
[INFO] crate jimblandy/advent-of-code-2018 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jimblandy/advent-of-code-2018 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-6/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jimblandy/advent-of-code-2018:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40a71d253399f134b6dc2c51f27330fedcf06c67d3a78841aa57d442f648872f
[INFO] running `"docker" "start" "-a" "40a71d253399f134b6dc2c51f27330fedcf06c67d3a78841aa57d442f648872f"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `mod_euc` found for type `isize` in the current scope
[INFO] [stderr]   --> src/bin/day-09.rs:25:56
[INFO] [stderr]    |
[INFO] [stderr] 25 |             self.current = (self.current as isize - 7).mod_euc(self.marbles.len() as isize) as usize;
[INFO] [stderr]    |                                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `advent-of-code-2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/bin/day-08.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let root = parse(&mut summer, &mut numbers.iter().cloned());
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_root`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/bin/day-08.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let root = parse(&mut summer, &mut numbers.iter().cloned());
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_root`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "40a71d253399f134b6dc2c51f27330fedcf06c67d3a78841aa57d442f648872f"`
[INFO] running `"docker" "rm" "-f" "40a71d253399f134b6dc2c51f27330fedcf06c67d3a78841aa57d442f648872f"`
[INFO] [stdout] 40a71d253399f134b6dc2c51f27330fedcf06c67d3a78841aa57d442f648872f