Dec 17 18:32:30.131 INFO checking nulijiushimeili/hello_rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:32:30.131 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nulijiushimeili/hello_rust:/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 17 18:32:30.782 INFO [stdout] 00b0dc506a0107d618172121e8b7c3bda7b2112e08b4d9e192313d1879f3a2f4
Dec 17 18:32:30.784 INFO running `"docker" "start" "-a" "00b0dc506a0107d618172121e8b7c3bda7b2112e08b4d9e192313d1879f3a2f4"`
Dec 17 18:32:32.655 INFO [stderr]     Checking hello_rust v0.1.0 (/opt/crater/workdir)
Dec 17 18:32:33.052 INFO [stderr] warning: unused variable: `y`
Dec 17 18:32:33.052 INFO [stderr]    --> src/main.rs:135:9
Dec 17 18:32:33.052 INFO [stderr]     |
Dec 17 18:32:33.052 INFO [stderr] 135 |     let y:(i32,&str) = (2,"word");
Dec 17 18:32:33.052 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 17 18:32:33.052 INFO [stderr]     |
Dec 17 18:32:33.052 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 18:32:33.052 INFO [stderr] 
Dec 17 18:32:33.052 INFO [stderr] warning: variable `z` is assigned to, but never used
Dec 17 18:32:33.052 INFO [stderr]    --> src/main.rs:136:13
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 136 |     let mut z = (1,"rust");
Dec 17 18:32:33.053 INFO [stderr]     |             ^
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr]     = note: consider using `_z` instead
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.053 INFO [stderr] warning: value assigned to `z` is never read
Dec 17 18:32:33.053 INFO [stderr]    --> src/main.rs:138:5
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 138 |     z = x ;
Dec 17 18:32:33.053 INFO [stderr]     |     ^
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.053 INFO [stderr] warning: unused variable: `b`
Dec 17 18:32:33.053 INFO [stderr]    --> src/main.rs:141:12
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Dec 17 18:32:33.053 INFO [stderr]     |            ^ help: consider using `_b` instead
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.053 INFO [stderr] warning: unused variable: `c`
Dec 17 18:32:33.053 INFO [stderr]    --> src/main.rs:141:14
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Dec 17 18:32:33.053 INFO [stderr]     |              ^ help: consider using `_c` instead
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.053 INFO [stderr] warning: unused variable: `complete`
Dec 17 18:32:33.053 INFO [stderr]    --> src/main.rs:156:9
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 156 |     let complete = &a[..];
Dec 17 18:32:33.053 INFO [stderr]     |         ^^^^^^^^ help: consider using `_complete` instead
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.053 INFO [stderr] warning: unused variable: `middle`
Dec 17 18:32:33.053 INFO [stderr]    --> src/main.rs:157:9
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 157 |     let middle = &a[2..4];
Dec 17 18:32:33.053 INFO [stderr]     |         ^^^^^^ help: consider using `_middle` instead
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.053 INFO [stderr] warning: unused variable: `b`
Dec 17 18:32:33.053 INFO [stderr]    --> src/main.rs:167:14
Dec 17 18:32:33.053 INFO [stderr]     |
Dec 17 18:32:33.053 INFO [stderr] 167 |     let mut  b = [4,5,6];
Dec 17 18:32:33.053 INFO [stderr]     |              ^ help: consider using `_b` instead
Dec 17 18:32:33.053 INFO [stderr] 
Dec 17 18:32:33.056 INFO [stderr] warning: unused variable: `c`
Dec 17 18:32:33.056 INFO [stderr]    --> src/main.rs:169:9
Dec 17 18:32:33.056 INFO [stderr]     |
Dec 17 18:32:33.056 INFO [stderr] 169 |     let c = [0;20];
Dec 17 18:32:33.056 INFO [stderr]     |         ^ help: consider using `_c` instead
Dec 17 18:32:33.056 INFO [stderr] 
Dec 17 18:32:33.079 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:32:33.079 INFO [stderr]    --> src/main.rs:167:9
Dec 17 18:32:33.079 INFO [stderr]     |
Dec 17 18:32:33.079 INFO [stderr] 167 |     let mut  b = [4,5,6];
Dec 17 18:32:33.079 INFO [stderr]     |         -----^
Dec 17 18:32:33.079 INFO [stderr]     |         |
Dec 17 18:32:33.079 INFO [stderr]     |         help: remove this `mut`
Dec 17 18:32:33.079 INFO [stderr]     |
Dec 17 18:32:33.084 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 18:32:33.084 INFO [stderr] 
Dec 17 18:32:33.108 INFO [stderr] warning: function is never used: `shutdown_iterator`
Dec 17 18:32:33.108 INFO [stderr]   --> src/main.rs:45:1
Dec 17 18:32:33.108 INFO [stderr]    |
Dec 17 18:32:33.109 INFO [stderr] 45 | fn shutdown_iterator(){
Dec 17 18:32:33.109 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr]    |
Dec 17 18:32:33.109 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `test_iterator`
Dec 17 18:32:33.109 INFO [stderr]   --> src/main.rs:67:1
Dec 17 18:32:33.109 INFO [stderr]    |
Dec 17 18:32:33.109 INFO [stderr] 67 | fn test_iterator(){
Dec 17 18:32:33.109 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `rust_loop`
Dec 17 18:32:33.109 INFO [stderr]   --> src/main.rs:76:1
Dec 17 18:32:33.109 INFO [stderr]    |
Dec 17 18:32:33.109 INFO [stderr] 76 | fn rust_loop(){
Dec 17 18:32:33.109 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `test_if`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:112:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 112 | fn test_if(){
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `test_tuple`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:133:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 133 | fn test_tuple(){
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `test_slice`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:153:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 153 | fn test_slice(){
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `test_arr1`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:162:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 162 | fn test_arr1(){
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `plus_one`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:173:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 173 | fn plus_one(i: i32) -> i32{
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `diverges`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:179:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 179 | fn diverges()->!{
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `func1`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:185:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 185 | fn func1(x: i32, y :i32)->i32{
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `test_loop`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:190:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 190 | fn test_loop(){
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `compare`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:223:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 223 | fn compare(){
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `rand_number`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:242:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 242 | fn rand_number() {
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.109 INFO [stderr] warning: function is never used: `show_number`
Dec 17 18:32:33.109 INFO [stderr]    --> src/main.rs:255:1
Dec 17 18:32:33.109 INFO [stderr]     |
Dec 17 18:32:33.109 INFO [stderr] 255 | fn show_number() {
Dec 17 18:32:33.109 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 17 18:32:33.109 INFO [stderr] 
Dec 17 18:32:33.164 INFO [stderr] warning: unused variable: `y`
Dec 17 18:32:33.164 INFO [stderr]    --> src/main.rs:135:9
Dec 17 18:32:33.164 INFO [stderr]     |
Dec 17 18:32:33.164 INFO [stderr] 135 |     let y:(i32,&str) = (2,"word");
Dec 17 18:32:33.164 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 17 18:32:33.164 INFO [stderr]     |
Dec 17 18:32:33.164 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: variable `z` is assigned to, but never used
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:136:13
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 136 |     let mut z = (1,"rust");
Dec 17 18:32:33.165 INFO [stderr]     |             ^
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr]     = note: consider using `_z` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: value assigned to `z` is never read
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:138:5
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 138 |     z = x ;
Dec 17 18:32:33.165 INFO [stderr]     |     ^
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: unused variable: `b`
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:141:12
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Dec 17 18:32:33.165 INFO [stderr]     |            ^ help: consider using `_b` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: unused variable: `c`
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:141:14
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Dec 17 18:32:33.165 INFO [stderr]     |              ^ help: consider using `_c` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: unused variable: `complete`
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:156:9
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 156 |     let complete = &a[..];
Dec 17 18:32:33.165 INFO [stderr]     |         ^^^^^^^^ help: consider using `_complete` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: unused variable: `middle`
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:157:9
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 157 |     let middle = &a[2..4];
Dec 17 18:32:33.165 INFO [stderr]     |         ^^^^^^ help: consider using `_middle` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: unused variable: `b`
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:167:14
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 167 |     let mut  b = [4,5,6];
Dec 17 18:32:33.165 INFO [stderr]     |              ^ help: consider using `_b` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.165 INFO [stderr] warning: unused variable: `c`
Dec 17 18:32:33.165 INFO [stderr]    --> src/main.rs:169:9
Dec 17 18:32:33.165 INFO [stderr]     |
Dec 17 18:32:33.165 INFO [stderr] 169 |     let c = [0;20];
Dec 17 18:32:33.165 INFO [stderr]     |         ^ help: consider using `_c` instead
Dec 17 18:32:33.165 INFO [stderr] 
Dec 17 18:32:33.196 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:32:33.196 INFO [stderr]    --> src/main.rs:167:9
Dec 17 18:32:33.196 INFO [stderr]     |
Dec 17 18:32:33.196 INFO [stderr] 167 |     let mut  b = [4,5,6];
Dec 17 18:32:33.196 INFO [stderr]     |         -----^
Dec 17 18:32:33.196 INFO [stderr]     |         |
Dec 17 18:32:33.196 INFO [stderr]     |         help: remove this `mut`
Dec 17 18:32:33.196 INFO [stderr]     |
Dec 17 18:32:33.196 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 18:32:33.196 INFO [stderr] 
Dec 17 18:32:33.208 INFO [stderr] warning: function is never used: `shutdown_iterator`
Dec 17 18:32:33.209 INFO [stderr]   --> src/main.rs:45:1
Dec 17 18:32:33.209 INFO [stderr]    |
Dec 17 18:32:33.209 INFO [stderr] 45 | fn shutdown_iterator(){
Dec 17 18:32:33.209 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr]    |
Dec 17 18:32:33.209 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `test_iterator`
Dec 17 18:32:33.209 INFO [stderr]   --> src/main.rs:67:1
Dec 17 18:32:33.209 INFO [stderr]    |
Dec 17 18:32:33.209 INFO [stderr] 67 | fn test_iterator(){
Dec 17 18:32:33.209 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `rust_loop`
Dec 17 18:32:33.209 INFO [stderr]   --> src/main.rs:76:1
Dec 17 18:32:33.209 INFO [stderr]    |
Dec 17 18:32:33.209 INFO [stderr] 76 | fn rust_loop(){
Dec 17 18:32:33.209 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `test_if`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:112:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 112 | fn test_if(){
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `test_tuple`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:133:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 133 | fn test_tuple(){
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `test_slice`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:153:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 153 | fn test_slice(){
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `test_arr1`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:162:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 162 | fn test_arr1(){
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `plus_one`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:173:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 173 | fn plus_one(i: i32) -> i32{
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `diverges`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:179:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 179 | fn diverges()->!{
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `func1`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:185:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 185 | fn func1(x: i32, y :i32)->i32{
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `test_loop`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:190:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 190 | fn test_loop(){
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `compare`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:223:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 223 | fn compare(){
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `rand_number`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:242:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 242 | fn rand_number() {
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.209 INFO [stderr] warning: function is never used: `show_number`
Dec 17 18:32:33.209 INFO [stderr]    --> src/main.rs:255:1
Dec 17 18:32:33.209 INFO [stderr]     |
Dec 17 18:32:33.209 INFO [stderr] 255 | fn show_number() {
Dec 17 18:32:33.209 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 17 18:32:33.209 INFO [stderr] 
Dec 17 18:32:33.245 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 17 18:32:34.112 INFO running `"docker" "inspect" "00b0dc506a0107d618172121e8b7c3bda7b2112e08b4d9e192313d1879f3a2f4"`
Dec 17 18:32:34.376 INFO running `"docker" "rm" "-f" "00b0dc506a0107d618172121e8b7c3bda7b2112e08b4d9e192313d1879f3a2f4"`
Dec 17 18:32:34.740 INFO [stdout] 00b0dc506a0107d618172121e8b7c3bda7b2112e08b4d9e192313d1879f3a2f4