Dec 18 08:22:29.474 INFO checking BlockCat/adventofcode2018 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:22:29.474 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/BlockCat/adventofcode2018:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:22:29.675 INFO [stdout] 874964252e59f0783ff368c4e793adb66af4e723c2da6d215edf3f651e862403
Dec 18 08:22:29.676 INFO running `"docker" "start" "-a" "874964252e59f0783ff368c4e793adb66af4e723c2da6d215edf3f651e862403"`
Dec 18 08:22:30.176 INFO [stderr] warning: unused manifest key: package.rustflags
Dec 18 08:22:30.209 INFO [stderr]     Checking hashbrown v0.1.7
Dec 18 08:22:30.902 INFO [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
Dec 18 08:22:31.456 INFO [stderr] warning: unused import: `std::collections::BinaryHeap`
Dec 18 08:22:31.456 INFO [stderr]  --> src/day17.rs:4:5
Dec 18 08:22:31.456 INFO [stderr]   |
Dec 18 08:22:31.456 INFO [stderr] 4 | use std::collections::BinaryHeap;
Dec 18 08:22:31.457 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:22:31.457 INFO [stderr]   |
Dec 18 08:22:31.457 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:22:31.457 INFO [stderr] 
Dec 18 08:22:31.544 INFO [stderr] warning: unused import: `std::collections::BinaryHeap`
Dec 18 08:22:31.544 INFO [stderr]  --> src/day17.rs:4:5
Dec 18 08:22:31.545 INFO [stderr]   |
Dec 18 08:22:31.545 INFO [stderr] 4 | use std::collections::BinaryHeap;
Dec 18 08:22:31.545 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:22:31.545 INFO [stderr]   |
Dec 18 08:22:31.545 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:22:31.545 INFO [stderr] 
Dec 18 08:22:31.668 INFO [stderr] warning: unused variable: `extra_filter`
Dec 18 08:22:31.669 INFO [stderr]    --> src/day17.rs:118:71
Dec 18 08:22:31.669 INFO [stderr]     |
Dec 18 08:22:31.669 INFO [stderr] 118 | fn helper(mapping: HashSet<Location>, (min_y, max_y): (usize, usize), extra_filter: bool) -> (usize, usize, usize) {
Dec 18 08:22:31.669 INFO [stderr]     |                                                                       ^^^^^^^^^^^^ help: consider using `_extra_filter` instead
Dec 18 08:22:31.670 INFO [stderr]     |
Dec 18 08:22:31.670 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 08:22:31.670 INFO [stderr] 
Dec 18 08:22:31.702 INFO [stderr] warning: function is never used: `exercise_2`
Dec 18 08:22:31.702 INFO [stderr]    --> src/day17.rs:114:1
Dec 18 08:22:31.702 INFO [stderr]     |
Dec 18 08:22:31.704 INFO [stderr] 114 | fn exercise_2(mapping: HashSet<Location>, bounds: (usize, usize)) -> usize {
Dec 18 08:22:31.704 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:22:31.704 INFO [stderr]     |
Dec 18 08:22:31.704 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:22:31.704 INFO [stderr] 
Dec 18 08:22:31.704 INFO [stderr] warning: function is never used: `pretty_print`
Dec 18 08:22:31.704 INFO [stderr]    --> src/day17.rs:217:1
Dec 18 08:22:31.704 INFO [stderr]     |
Dec 18 08:22:31.704 INFO [stderr] 217 | fn pretty_print(mapping: &HashSet<Location>, water: &HashMap<Location, Water>, (min_y, max_y): (usize, usize)) {
Dec 18 08:22:31.704 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:22:31.704 INFO [stderr] 
Dec 18 08:22:31.756 INFO [stderr] warning: unused variable: `extra_filter`
Dec 18 08:22:31.756 INFO [stderr]    --> src/day17.rs:118:71
Dec 18 08:22:31.757 INFO [stderr]     |
Dec 18 08:22:31.757 INFO [stderr] 118 | fn helper(mapping: HashSet<Location>, (min_y, max_y): (usize, usize), extra_filter: bool) -> (usize, usize, usize) {
Dec 18 08:22:31.757 INFO [stderr]     |                                                                       ^^^^^^^^^^^^ help: consider using `_extra_filter` instead
Dec 18 08:22:31.757 INFO [stderr]     |
Dec 18 08:22:31.757 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 08:22:31.758 INFO [stderr] 
Dec 18 08:22:31.853 INFO [stderr] warning: function is never used: `pretty_print`
Dec 18 08:22:31.853 INFO [stderr]    --> src/day17.rs:217:1
Dec 18 08:22:31.853 INFO [stderr]     |
Dec 18 08:22:31.854 INFO [stderr] 217 | fn pretty_print(mapping: &HashSet<Location>, water: &HashMap<Location, Water>, (min_y, max_y): (usize, usize)) {
Dec 18 08:22:31.854 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:22:31.854 INFO [stderr]     |
Dec 18 08:22:31.854 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:22:31.855 INFO [stderr] 
Dec 18 08:22:31.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 18 08:22:33.238 INFO running `"docker" "inspect" "874964252e59f0783ff368c4e793adb66af4e723c2da6d215edf3f651e862403"`
Dec 18 08:22:33.510 INFO running `"docker" "rm" "-f" "874964252e59f0783ff368c4e793adb66af4e723c2da6d215edf3f651e862403"`
Dec 18 08:22:33.840 INFO [stdout] 874964252e59f0783ff368c4e793adb66af4e723c2da6d215edf3f651e862403