Dec 04 14:36:34.028 INFO checking marony/rust_euler against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 14:36:34.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 14:36:34.466 INFO [stdout] 4541a1ab87c75f0b4ac69bd446e2f3812255f65f881e269e2270b68b6c44837b
Dec 04 14:36:34.471 INFO running `"docker" "start" "-a" "4541a1ab87c75f0b4ac69bd446e2f3812255f65f881e269e2270b68b6c44837b"`
Dec 04 14:36:35.293 INFO [stderr] usermod: no changes
Dec 04 14:36:35.380 INFO [stderr]     Checking euler v0.1.0 (/source)
Dec 04 14:36:35.872 INFO [stderr] warning: function is never used: `problem_001`
Dec 04 14:36:35.872 INFO [stderr]   --> src/main.rs:18:1
Dec 04 14:36:35.872 INFO [stderr]    |
Dec 04 14:36:35.872 INFO [stderr] 18 | fn problem_001() {
Dec 04 14:36:35.872 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.872 INFO [stderr]    |
Dec 04 14:36:35.872 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:36:35.872 INFO [stderr] 
Dec 04 14:36:35.872 INFO [stderr] warning: struct is never constructed: `Fib`
Dec 04 14:36:35.873 INFO [stderr]   --> src/main.rs:26:1
Dec 04 14:36:35.873 INFO [stderr]    |
Dec 04 14:36:35.873 INFO [stderr] 26 | struct Fib {
Dec 04 14:36:35.873 INFO [stderr]    | ^^^^^^^^^^
Dec 04 14:36:35.873 INFO [stderr] 
Dec 04 14:36:35.873 INFO [stderr] warning: method is never used: `new`
Dec 04 14:36:35.873 INFO [stderr]   --> src/main.rs:32:5
Dec 04 14:36:35.873 INFO [stderr]    |
Dec 04 14:36:35.873 INFO [stderr] 32 |     fn new() -> Fib {
Dec 04 14:36:35.873 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 14:36:35.873 INFO [stderr] 
Dec 04 14:36:35.873 INFO [stderr] warning: function is never used: `problem_002`
Dec 04 14:36:35.873 INFO [stderr]   --> src/main.rs:50:1
Dec 04 14:36:35.873 INFO [stderr]    |
Dec 04 14:36:35.873 INFO [stderr] 50 | fn problem_002() {
Dec 04 14:36:35.873 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.874 INFO [stderr] 
Dec 04 14:36:35.874 INFO [stderr] warning: function is never used: `prime_factors`
Dec 04 14:36:35.874 INFO [stderr]   --> src/main.rs:56:1
Dec 04 14:36:35.874 INFO [stderr]    |
Dec 04 14:36:35.874 INFO [stderr] 56 | fn prime_factors<'a>(n: u64, xs: &'a mut Vec<u64>) -> &'a Vec<u64> {
Dec 04 14:36:35.874 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.874 INFO [stderr] 
Dec 04 14:36:35.874 INFO [stderr] warning: function is never used: `problem_003`
Dec 04 14:36:35.874 INFO [stderr]   --> src/main.rs:69:1
Dec 04 14:36:35.874 INFO [stderr]    |
Dec 04 14:36:35.874 INFO [stderr] 69 | fn problem_003() {
Dec 04 14:36:35.874 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.874 INFO [stderr] 
Dec 04 14:36:35.874 INFO [stderr] warning: function is never used: `is_palindome`
Dec 04 14:36:35.874 INFO [stderr]   --> src/main.rs:83:1
Dec 04 14:36:35.874 INFO [stderr]    |
Dec 04 14:36:35.874 INFO [stderr] 83 | fn is_palindome(n: &u64) -> bool {
Dec 04 14:36:35.874 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.874 INFO [stderr] 
Dec 04 14:36:35.874 INFO [stderr] warning: function is never used: `problem_004`
Dec 04 14:36:35.874 INFO [stderr]   --> src/main.rs:91:1
Dec 04 14:36:35.874 INFO [stderr]    |
Dec 04 14:36:35.874 INFO [stderr] 91 | fn problem_004() {
Dec 04 14:36:35.874 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.875 INFO [stderr] 
Dec 04 14:36:35.875 INFO [stderr] warning: function is never used: `problem_005`
Dec 04 14:36:35.875 INFO [stderr]    --> src/main.rs:125:1
Dec 04 14:36:35.875 INFO [stderr]     |
Dec 04 14:36:35.875 INFO [stderr] 125 | fn problem_005() {
Dec 04 14:36:35.875 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.875 INFO [stderr] 
Dec 04 14:36:35.875 INFO [stderr] warning: function is never used: `problem_006`
Dec 04 14:36:35.875 INFO [stderr]    --> src/main.rs:141:1
Dec 04 14:36:35.875 INFO [stderr]     |
Dec 04 14:36:35.875 INFO [stderr] 141 | fn problem_006() {
Dec 04 14:36:35.875 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.875 INFO [stderr] 
Dec 04 14:36:35.875 INFO [stderr] warning: function is never used: `is_prime`
Dec 04 14:36:35.875 INFO [stderr]    --> src/main.rs:162:1
Dec 04 14:36:35.875 INFO [stderr]     |
Dec 04 14:36:35.875 INFO [stderr] 162 | fn is_prime(n: &u64) -> bool {
Dec 04 14:36:35.875 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.875 INFO [stderr] 
Dec 04 14:36:35.875 INFO [stderr] warning: function is never used: `problem_007`
Dec 04 14:36:35.875 INFO [stderr]    --> src/main.rs:168:1
Dec 04 14:36:35.875 INFO [stderr]     |
Dec 04 14:36:35.875 INFO [stderr] 168 | fn problem_007() {
Dec 04 14:36:35.875 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.875 INFO [stderr] 
Dec 04 14:36:35.876 INFO [stderr] warning: function is never used: `problem_008`
Dec 04 14:36:35.876 INFO [stderr]    --> src/main.rs:182:1
Dec 04 14:36:35.876 INFO [stderr]     |
Dec 04 14:36:35.876 INFO [stderr] 182 | fn problem_008() {
Dec 04 14:36:35.876 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.876 INFO [stderr] 
Dec 04 14:36:35.876 INFO [stderr] warning: function is never used: `pythagorean_triplet`
Dec 04 14:36:35.876 INFO [stderr]    --> src/main.rs:230:1
Dec 04 14:36:35.876 INFO [stderr]     |
Dec 04 14:36:35.876 INFO [stderr] 230 | fn pythagorean_triplet(a: u64, b: u64, c: u64) -> Option<u64> {
Dec 04 14:36:35.876 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.876 INFO [stderr] 
Dec 04 14:36:35.876 INFO [stderr] warning: function is never used: `problem_009`
Dec 04 14:36:35.876 INFO [stderr]    --> src/main.rs:246:1
Dec 04 14:36:35.876 INFO [stderr]     |
Dec 04 14:36:35.876 INFO [stderr] 246 | fn problem_009() {
Dec 04 14:36:35.876 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.876 INFO [stderr] 
Dec 04 14:36:35.876 INFO [stderr] warning: function is never used: `problem_010`
Dec 04 14:36:35.876 INFO [stderr]    --> src/main.rs:266:1
Dec 04 14:36:35.876 INFO [stderr]     |
Dec 04 14:36:35.876 INFO [stderr] 266 | fn problem_010() {
Dec 04 14:36:35.876 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.876 INFO [stderr] 
Dec 04 14:36:35.876 INFO [stderr] warning: function is never used: `problem_011`
Dec 04 14:36:35.876 INFO [stderr]    --> src/main.rs:280:1
Dec 04 14:36:35.877 INFO [stderr]     |
Dec 04 14:36:35.877 INFO [stderr] 280 | fn problem_011() {
Dec 04 14:36:35.877 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.877 INFO [stderr] 
Dec 04 14:36:35.877 INFO [stderr] warning: function is never used: `factors`
Dec 04 14:36:35.877 INFO [stderr]    --> src/main.rs:372:1
Dec 04 14:36:35.877 INFO [stderr]     |
Dec 04 14:36:35.877 INFO [stderr] 372 | fn factors<'a>(n: u64) -> Vec<u64> {
Dec 04 14:36:35.877 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.877 INFO [stderr] 
Dec 04 14:36:35.877 INFO [stderr] warning: function is never used: `triangle_number`
Dec 04 14:36:35.877 INFO [stderr]    --> src/main.rs:383:1
Dec 04 14:36:35.877 INFO [stderr]     |
Dec 04 14:36:35.877 INFO [stderr] 383 | fn triangle_number(n: u64) -> u64 {
Dec 04 14:36:35.877 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.877 INFO [stderr] 
Dec 04 14:36:35.877 INFO [stderr] warning: function is never used: `problem_012`
Dec 04 14:36:35.877 INFO [stderr]    --> src/main.rs:389:1
Dec 04 14:36:35.877 INFO [stderr]     |
Dec 04 14:36:35.877 INFO [stderr] 389 | fn problem_012<'a>() {
Dec 04 14:36:35.877 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:35.877 INFO [stderr] 
Dec 04 14:36:35.879 INFO [stderr] warning: function is never used: `problem_013`
Dec 04 14:36:35.879 INFO [stderr]    --> src/main.rs:403:1
Dec 04 14:36:35.879 INFO [stderr]     |
Dec 04 14:36:35.879 INFO [stderr] 403 | fn problem_013() {
Dec 04 14:36:35.879 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:35.879 INFO [stderr] 
Dec 04 14:36:35.879 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:35.879 INFO [stderr]    --> src/main.rs:315:31
Dec 04 14:36:35.880 INFO [stderr]     |
Dec 04 14:36:35.880 INFO [stderr] 315 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i / SLEN as usize) == y) {
Dec 04 14:36:35.880 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:35.880 INFO [stderr]     |
Dec 04 14:36:35.880 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 04 14:36:35.881 INFO [stderr] 
Dec 04 14:36:35.881 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:35.881 INFO [stderr]    --> src/main.rs:326:31
Dec 04 14:36:35.881 INFO [stderr]     |
Dec 04 14:36:35.881 INFO [stderr] 326 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) == x) {
Dec 04 14:36:35.881 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:35.881 INFO [stderr] 
Dec 04 14:36:35.882 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:35.882 INFO [stderr]    --> src/main.rs:337:31
Dec 04 14:36:35.882 INFO [stderr]     |
Dec 04 14:36:35.882 INFO [stderr] 337 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) >= x && (i / SLEN as usize) >= y) {
Dec 04 14:36:35.882 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:35.882 INFO [stderr] 
Dec 04 14:36:35.882 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:35.882 INFO [stderr]    --> src/main.rs:348:31
Dec 04 14:36:35.882 INFO [stderr]     |
Dec 04 14:36:35.882 INFO [stderr] 348 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) <= x && (i / SLEN as usize) >= y) {
Dec 04 14:36:35.882 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:35.883 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `problem_001`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:18:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 18 | fn problem_001() {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: struct is never constructed: `Fib`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:26:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 26 | struct Fib {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: method is never used: `new`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:32:5
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 32 |     fn new() -> Fib {
Dec 04 14:36:36.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `problem_002`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:50:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 50 | fn problem_002() {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `prime_factors`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:56:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 56 | fn prime_factors<'a>(n: u64, xs: &'a mut Vec<u64>) -> &'a Vec<u64> {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `problem_003`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:69:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 69 | fn problem_003() {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `is_palindome`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:83:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 83 | fn is_palindome(n: &u64) -> bool {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `problem_004`
Dec 04 14:36:36.088 INFO [stderr]   --> src/main.rs:91:1
Dec 04 14:36:36.088 INFO [stderr]    |
Dec 04 14:36:36.088 INFO [stderr] 91 | fn problem_004() {
Dec 04 14:36:36.088 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `problem_005`
Dec 04 14:36:36.088 INFO [stderr]    --> src/main.rs:125:1
Dec 04 14:36:36.088 INFO [stderr]     |
Dec 04 14:36:36.088 INFO [stderr] 125 | fn problem_005() {
Dec 04 14:36:36.088 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.088 INFO [stderr] 
Dec 04 14:36:36.088 INFO [stderr] warning: function is never used: `problem_006`
Dec 04 14:36:36.088 INFO [stderr]    --> src/main.rs:141:1
Dec 04 14:36:36.088 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 141 | fn problem_006() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `is_prime`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:162:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 162 | fn is_prime(n: &u64) -> bool {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_007`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:168:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 168 | fn problem_007() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_008`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:182:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 182 | fn problem_008() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `pythagorean_triplet`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:230:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 230 | fn pythagorean_triplet(a: u64, b: u64, c: u64) -> Option<u64> {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_009`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:246:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 246 | fn problem_009() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_010`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:266:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 266 | fn problem_010() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_011`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:280:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 280 | fn problem_011() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `factors`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:372:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 372 | fn factors<'a>(n: u64) -> Vec<u64> {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `triangle_number`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:383:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 383 | fn triangle_number(n: u64) -> u64 {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_012`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:389:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 389 | fn problem_012<'a>() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: function is never used: `problem_013`
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:403:1
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 403 | fn problem_013() {
Dec 04 14:36:36.089 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:315:31
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 315 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i / SLEN as usize) == y) {
Dec 04 14:36:36.089 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:326:31
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 326 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) == x) {
Dec 04 14:36:36.089 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:337:31
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 337 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) >= x && (i / SLEN as usize) >= y) {
Dec 04 14:36:36.089 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:36.089 INFO [stderr] 
Dec 04 14:36:36.089 INFO [stderr] warning: comparison is useless due to type limits
Dec 04 14:36:36.089 INFO [stderr]    --> src/main.rs:348:31
Dec 04 14:36:36.089 INFO [stderr]     |
Dec 04 14:36:36.089 INFO [stderr] 348 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) <= x && (i / SLEN as usize) >= y) {
Dec 04 14:36:36.090 INFO [stderr]     |                               ^^^^^^
Dec 04 14:36:36.090 INFO [stderr] 
Dec 04 14:36:36.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 04 14:36:36.103 INFO [stderr] su: No module specific data is present
Dec 04 14:36:36.379 INFO running `"docker" "inspect" "4541a1ab87c75f0b4ac69bd446e2f3812255f65f881e269e2270b68b6c44837b"`
Dec 04 14:36:36.493 INFO running `"docker" "rm" "-f" "4541a1ab87c75f0b4ac69bd446e2f3812255f65f881e269e2270b68b6c44837b"`
Dec 04 14:36:36.715 INFO [stdout] 4541a1ab87c75f0b4ac69bd446e2f3812255f65f881e269e2270b68b6c44837b