[INFO] updating cached repository AugustinLF/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AugustinLF/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AugustinLF/advent-of-code-2018" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/AugustinLF/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/AugustinLF/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AugustinLF/advent-of-code-2018" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AugustinLF/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AugustinLF/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2b26e4b9904cb85adbe2a6301b9bba5f679b215
[INFO] sha for GitHub repo AugustinLF/advent-of-code-2018: d2b26e4b9904cb85adbe2a6301b9bba5f679b215
[INFO] validating manifest of AugustinLF/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 AugustinLF/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 AugustinLF/advent-of-code-2018
[INFO] finished frobbing AugustinLF/advent-of-code-2018
[INFO] frobbed toml for AugustinLF/advent-of-code-2018 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/AugustinLF/advent-of-code-2018/Cargo.toml
[INFO] started frobbing AugustinLF/advent-of-code-2018
[INFO] finished frobbing AugustinLF/advent-of-code-2018
[INFO] frobbed toml for AugustinLF/advent-of-code-2018 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AugustinLF/advent-of-code-2018/Cargo.toml
[INFO] crate AugustinLF/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 AugustinLF/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/AugustinLF/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] 1ebdecf34cc86581c3c720d2a8258c4444154b133e13d4daaaff333ca0de45c3
[INFO] running `"docker" "start" "-a" "1ebdecf34cc86581c3c720d2a8258c4444154b133e13d4daaaff333ca0de45c3"`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `generate_frequency`
[INFO] [stderr]  --> src/ex1.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn generate_frequency(initial_frequency: i32, mut input: Vec<i32>) -> i32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_string_to_frequencies`
[INFO] [stderr]   --> src/ex1.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn from_string_to_frequencies(content: String) -> Vec<i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_exercise`
[INFO] [stderr]   --> src/ex1.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn solve_exercise(process: fn(i32, Vec<i32>) -> i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_repeated_frequency`
[INFO] [stderr]   --> src/ex1.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn find_repeated_frequency(base_frequency: i32, input: Vec<i32>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_product_checksum`
[INFO] [stderr]  --> src/ex2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_product_checksum(id: &str) -> (i32, i32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_checksum`
[INFO] [stderr]   --> src/ex2.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn calculate_checksum(ids: Vec<String>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `are_ids_similar`
[INFO] [stderr]   --> src/ex2.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn are_ids_similar<'a>(first: &'a str, second: &'a str) -> Option<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_ids`
[INFO] [stderr]   --> src/ex2.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn get_ids() -> Vec<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_base_id`
[INFO] [stderr]   --> src/ex2.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn find_base_id(mut ids: Vec<String>) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_exercise_1`
[INFO] [stderr]   --> src/ex2.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn solve_exercise_1() -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_exercise_2`
[INFO] [stderr]   --> src/ex2.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn solve_exercise_2() -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_claim`
[INFO] [stderr]   --> src/ex3.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn parse_claim<'a>(claim: &'a str) -> Claim<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_covered_fabric`
[INFO] [stderr]   --> src/ex3.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn get_covered_fabric(claim: Claim, mut fabric: HashMap<String, u16>) -> HashMap<String, u16> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_covered_fabric_for_claims`
[INFO] [stderr]   --> src/ex3.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | / fn get_covered_fabric_for_claims(
[INFO] [stderr] 61 | |     mut claims: Vec<Claim>,
[INFO] [stderr] 62 | |     fabric: HashMap<String, u16>,
[INFO] [stderr] 63 | | ) -> HashMap<String, u16> {
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |     };
[INFO] [stderr] 68 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_fabric_for_claims`
[INFO] [stderr]   --> src/ex3.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn find_fabric_for_claims(claims: Vec<Claim>) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_exercise_1`
[INFO] [stderr]   --> src/ex3.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn solve_exercise_1() -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1ebdecf34cc86581c3c720d2a8258c4444154b133e13d4daaaff333ca0de45c3"`
[INFO] running `"docker" "rm" "-f" "1ebdecf34cc86581c3c720d2a8258c4444154b133e13d4daaaff333ca0de45c3"`
[INFO] [stdout] 1ebdecf34cc86581c3c720d2a8258c4444154b133e13d4daaaff333ca0de45c3