[INFO] updating cached repository bestrauc/Advent-of-Code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bestrauc/Advent-of-Code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bestrauc/Advent-of-Code-2018" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/bestrauc/Advent-of-Code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/bestrauc/Advent-of-Code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bestrauc/Advent-of-Code-2018" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/bestrauc/Advent-of-Code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/bestrauc/Advent-of-Code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17ecbeb446ec7d2fcddcf62c3f1d9f46c4b2200a
[INFO] sha for GitHub repo bestrauc/Advent-of-Code-2018: 17ecbeb446ec7d2fcddcf62c3f1d9f46c4b2200a
[INFO] validating manifest of bestrauc/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 bestrauc/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 bestrauc/Advent-of-Code-2018
[INFO] finished frobbing bestrauc/Advent-of-Code-2018
[INFO] frobbed toml for bestrauc/Advent-of-Code-2018 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/bestrauc/Advent-of-Code-2018/Cargo.toml
[INFO] started frobbing bestrauc/Advent-of-Code-2018
[INFO] finished frobbing bestrauc/Advent-of-Code-2018
[INFO] frobbed toml for bestrauc/Advent-of-Code-2018 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/bestrauc/Advent-of-Code-2018/Cargo.toml
[INFO] crate bestrauc/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 bestrauc/Advent-of-Code-2018 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/bestrauc/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa4ae55a8c146e12411db9c47bed1a4ca556a113d7a3a6fd60a2e15bab971501
[INFO] running `"docker" "start" "-a" "fa4ae55a8c146e12411db9c47bed1a4ca556a113d7a3a6fd60a2e15bab971501"`
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking aoc_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `MinComparator`
[INFO] [stderr]  --> src/solutions/advent7.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use binary_heap_plus::{BinaryHeap, MinComparator};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/solutions/advent7.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solutions::utils`
[INFO] [stderr]  --> src/solutions/advent9.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use solutions::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/solutions/advent4.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MinComparator`
[INFO] [stderr]  --> src/solutions/advent7.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use binary_heap_plus::{BinaryHeap, MinComparator};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/solutions/advent7.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solutions::utils`
[INFO] [stderr]  --> src/solutions/advent9.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use solutions::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent5.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let base_polymer = base_polymer.trim_right();
[INFO] [stderr]    |                                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent5.rs:66:37
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let base_polymer = base_polymer.trim_right().to_owned();
[INFO] [stderr]    |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent8.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 |         .trim_right()
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent8.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 |         .trim_right()
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_workers`
[INFO] [stderr]   --> src/solutions/advent7.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |                           num_workers: usize) -> (u32, String) {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: consider prefixing with an underscore: `_num_workers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_marble`
[INFO] [stderr]   --> src/solutions/advent9.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_game_state2(active_marble: &Cursor<usize>, circle: &mut LinkedList<usize>) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_active_marble`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent5.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let base_polymer = base_polymer.trim_right();
[INFO] [stderr]    |                                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent5.rs:66:37
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let base_polymer = base_polymer.trim_right().to_owned();
[INFO] [stderr]    |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_game_state`
[INFO] [stderr]   --> src/solutions/advent9.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn print_game_state(active_marble: usize, circle: &VecDeque<usize>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_game_state2`
[INFO] [stderr]   --> src/solutions/advent9.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_game_state2(active_marble: &Cursor<usize>, circle: &mut LinkedList<usize>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `play_marble_game_old`
[INFO] [stderr]   --> src/solutions/advent9.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn play_marble_game_old(players: usize, last_marble: usize) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_circle`
[INFO] [stderr]   --> src/solutions/advent9.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn print_circle(test: LinkedList<usize>) -> LinkedList<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent8.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 |         .trim_right()
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/solutions/advent8.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 |         .trim_right()
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/solutions/advent8.rs:124:14
[INFO] [stderr]     |
[INFO] [stderr] 124 |             .trim_right()
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/solutions/advent8.rs:138:14
[INFO] [stderr]     |
[INFO] [stderr] 138 |             .trim_right()
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_workers`
[INFO] [stderr]   --> src/solutions/advent7.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |                           num_workers: usize) -> (u32, String) {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: consider prefixing with an underscore: `_num_workers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_marble`
[INFO] [stderr]   --> src/solutions/advent9.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_game_state2(active_marble: &Cursor<usize>, circle: &mut LinkedList<usize>) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_active_marble`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_game_state`
[INFO] [stderr]   --> src/solutions/advent9.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn print_game_state(active_marble: usize, circle: &VecDeque<usize>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_game_state2`
[INFO] [stderr]   --> src/solutions/advent9.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_game_state2(active_marble: &Cursor<usize>, circle: &mut LinkedList<usize>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `play_marble_game_old`
[INFO] [stderr]   --> src/solutions/advent9.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn play_marble_game_old(players: usize, last_marble: usize) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_circle`
[INFO] [stderr]   --> src/solutions/advent9.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn print_circle(test: LinkedList<usize>) -> LinkedList<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "fa4ae55a8c146e12411db9c47bed1a4ca556a113d7a3a6fd60a2e15bab971501"`
[INFO] running `"docker" "rm" "-f" "fa4ae55a8c146e12411db9c47bed1a4ca556a113d7a3a6fd60a2e15bab971501"`
[INFO] [stdout] fa4ae55a8c146e12411db9c47bed1a4ca556a113d7a3a6fd60a2e15bab971501