[INFO] updating cached repository tistatos/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tistatos/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tistatos/advent_of_code_2018" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/tistatos/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/tistatos/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tistatos/advent_of_code_2018" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/tistatos/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/tistatos/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9454f946a11a9c83ff1bc704d104bd4830badfe
[INFO] sha for GitHub repo tistatos/advent_of_code_2018: a9454f946a11a9c83ff1bc704d104bd4830badfe
[INFO] validating manifest of tistatos/advent_of_code_2018 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tistatos/advent_of_code_2018 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tistatos/advent_of_code_2018
[INFO] finished frobbing tistatos/advent_of_code_2018
[INFO] frobbed toml for tistatos/advent_of_code_2018 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/tistatos/advent_of_code_2018/Cargo.toml
[INFO] started frobbing tistatos/advent_of_code_2018
[INFO] finished frobbing tistatos/advent_of_code_2018
[INFO] frobbed toml for tistatos/advent_of_code_2018 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/tistatos/advent_of_code_2018/Cargo.toml
[INFO] crate tistatos/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking tistatos/advent_of_code_2018 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-5/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/tistatos/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cc4be6df22267d96f182227c04f96eece52c5a7e77105aa3215914e0ac3f4eb6
[INFO] running `"docker" "start" "-a" "cc4be6df22267d96f182227c04f96eece52c5a7e77105aa3215914e0ac3f4eb6"`
[INFO] [stderr]     Checking adventofcode2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::u32`
[INFO] [stderr]  --> src/day5.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::u32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::u32`
[INFO] [stderr]  --> src/day5.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::u32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string_rows`
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   --> src/aoc/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn get_string_rows(file: &str) -> Vec<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]    |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string_rows`
[INFO] [stderr]   --> src/aoc/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn get_string_rows(file: &str) -> Vec<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_string`
[INFO] [stderr]  --> src/aoc/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_string(file: &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "cc4be6df22267d96f182227c04f96eece52c5a7e77105aa3215914e0ac3f4eb6"`
[INFO] running `"docker" "rm" "-f" "cc4be6df22267d96f182227c04f96eece52c5a7e77105aa3215914e0ac3f4eb6"`
[INFO] [stdout] cc4be6df22267d96f182227c04f96eece52c5a7e77105aa3215914e0ac3f4eb6