Nov 16 17:49:05.972 INFO testing nulijiushimeili/hello_rust against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 17:49:05.972 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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"`
Nov 16 17:49:06.499 INFO [stdout] c8ad72cbf0e25629aac8bfa2b9ea81788df5d9fd7b2661fe0df58a7bb0e5b8c9
Nov 16 17:49:06.505 INFO running `"docker" "start" "-a" "c8ad72cbf0e25629aac8bfa2b9ea81788df5d9fd7b2661fe0df58a7bb0e5b8c9"`
Nov 16 17:49:07.773 INFO [stderr] usermod: no changes
Nov 16 17:49:07.838 INFO [stderr]    Compiling hello_rust v0.1.0 (/source)
Nov 16 17:49:08.319 INFO [stderr] warning: unused variable: `y`
Nov 16 17:49:08.319 INFO [stderr]    --> src/main.rs:135:9
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr] 135 |     let y:(i32,&str) = (2,"word");
Nov 16 17:49:08.319 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 17:49:08.319 INFO [stderr] 
Nov 16 17:49:08.319 INFO [stderr] warning: variable `z` is assigned to, but never used
Nov 16 17:49:08.319 INFO [stderr]    --> src/main.rs:136:13
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr] 136 |     let mut z = (1,"rust");
Nov 16 17:49:08.319 INFO [stderr]     |             ^
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr]     = note: consider using `_z` instead
Nov 16 17:49:08.319 INFO [stderr] 
Nov 16 17:49:08.319 INFO [stderr] warning: value assigned to `z` is never read
Nov 16 17:49:08.319 INFO [stderr]    --> src/main.rs:138:5
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr] 138 |     z = x ;
Nov 16 17:49:08.319 INFO [stderr]     |     ^
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 16 17:49:08.319 INFO [stderr] 
Nov 16 17:49:08.319 INFO [stderr] warning: unused variable: `b`
Nov 16 17:49:08.319 INFO [stderr]    --> src/main.rs:141:12
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Nov 16 17:49:08.319 INFO [stderr]     |            ^ help: consider using `_b` instead
Nov 16 17:49:08.319 INFO [stderr] 
Nov 16 17:49:08.319 INFO [stderr] warning: unused variable: `c`
Nov 16 17:49:08.319 INFO [stderr]    --> src/main.rs:141:14
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Nov 16 17:49:08.319 INFO [stderr]     |              ^ help: consider using `_c` instead
Nov 16 17:49:08.319 INFO [stderr] 
Nov 16 17:49:08.319 INFO [stderr] warning: unused variable: `complete`
Nov 16 17:49:08.319 INFO [stderr]    --> src/main.rs:156:9
Nov 16 17:49:08.319 INFO [stderr]     |
Nov 16 17:49:08.319 INFO [stderr] 156 |     let complete = &a[..];
Nov 16 17:49:08.320 INFO [stderr]     |         ^^^^^^^^ help: consider using `_complete` instead
Nov 16 17:49:08.320 INFO [stderr] 
Nov 16 17:49:08.320 INFO [stderr] warning: unused variable: `middle`
Nov 16 17:49:08.320 INFO [stderr]    --> src/main.rs:157:9
Nov 16 17:49:08.320 INFO [stderr]     |
Nov 16 17:49:08.320 INFO [stderr] 157 |     let middle = &a[2..4];
Nov 16 17:49:08.320 INFO [stderr]     |         ^^^^^^ help: consider using `_middle` instead
Nov 16 17:49:08.320 INFO [stderr] 
Nov 16 17:49:08.320 INFO [stderr] warning: unused variable: `b`
Nov 16 17:49:08.320 INFO [stderr]    --> src/main.rs:167:14
Nov 16 17:49:08.320 INFO [stderr]     |
Nov 16 17:49:08.320 INFO [stderr] 167 |     let mut  b = [4,5,6];
Nov 16 17:49:08.320 INFO [stderr]     |              ^ help: consider using `_b` instead
Nov 16 17:49:08.320 INFO [stderr] 
Nov 16 17:49:08.320 INFO [stderr] warning: unused variable: `c`
Nov 16 17:49:08.320 INFO [stderr]    --> src/main.rs:169:9
Nov 16 17:49:08.320 INFO [stderr]     |
Nov 16 17:49:08.320 INFO [stderr] 169 |     let c = [0;20];
Nov 16 17:49:08.320 INFO [stderr]     |         ^ help: consider using `_c` instead
Nov 16 17:49:08.320 INFO [stderr] 
Nov 16 17:49:08.327 INFO [stderr] warning: variable does not need to be mutable
Nov 16 17:49:08.327 INFO [stderr]    --> src/main.rs:167:9
Nov 16 17:49:08.327 INFO [stderr]     |
Nov 16 17:49:08.327 INFO [stderr] 167 |     let mut  b = [4,5,6];
Nov 16 17:49:08.327 INFO [stderr]     |         -----^
Nov 16 17:49:08.327 INFO [stderr]     |         |
Nov 16 17:49:08.327 INFO [stderr]     |         help: remove this `mut`
Nov 16 17:49:08.327 INFO [stderr]     |
Nov 16 17:49:08.327 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 17:49:08.327 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `shutdown_iterator`
Nov 16 17:49:08.341 INFO [stderr]   --> src/main.rs:45:1
Nov 16 17:49:08.341 INFO [stderr]    |
Nov 16 17:49:08.341 INFO [stderr] 45 | fn shutdown_iterator(){
Nov 16 17:49:08.341 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr]    |
Nov 16 17:49:08.341 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `test_iterator`
Nov 16 17:49:08.341 INFO [stderr]   --> src/main.rs:67:1
Nov 16 17:49:08.341 INFO [stderr]    |
Nov 16 17:49:08.341 INFO [stderr] 67 | fn test_iterator(){
Nov 16 17:49:08.341 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `rust_loop`
Nov 16 17:49:08.341 INFO [stderr]   --> src/main.rs:76:1
Nov 16 17:49:08.341 INFO [stderr]    |
Nov 16 17:49:08.341 INFO [stderr] 76 | fn rust_loop(){
Nov 16 17:49:08.341 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `test_if`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:112:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 112 | fn test_if(){
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `test_tuple`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:133:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 133 | fn test_tuple(){
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `test_slice`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:153:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 153 | fn test_slice(){
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `test_arr1`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:162:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 162 | fn test_arr1(){
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `plus_one`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:173:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 173 | fn plus_one(i: i32) -> i32{
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `diverges`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:179:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 179 | fn diverges()->!{
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `func1`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:185:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 185 | fn func1(x: i32, y :i32)->i32{
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `test_loop`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:190:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.341 INFO [stderr] 190 | fn test_loop(){
Nov 16 17:49:08.341 INFO [stderr]     | ^^^^^^^^^^^^^^
Nov 16 17:49:08.341 INFO [stderr] 
Nov 16 17:49:08.341 INFO [stderr] warning: function is never used: `compare`
Nov 16 17:49:08.341 INFO [stderr]    --> src/main.rs:223:1
Nov 16 17:49:08.341 INFO [stderr]     |
Nov 16 17:49:08.342 INFO [stderr] 223 | fn compare(){
Nov 16 17:49:08.342 INFO [stderr]     | ^^^^^^^^^^^^
Nov 16 17:49:08.342 INFO [stderr] 
Nov 16 17:49:08.342 INFO [stderr] warning: function is never used: `rand_number`
Nov 16 17:49:08.342 INFO [stderr]    --> src/main.rs:242:1
Nov 16 17:49:08.342 INFO [stderr]     |
Nov 16 17:49:08.342 INFO [stderr] 242 | fn rand_number() {
Nov 16 17:49:08.342 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 16 17:49:08.342 INFO [stderr] 
Nov 16 17:49:08.342 INFO [stderr] warning: function is never used: `show_number`
Nov 16 17:49:08.342 INFO [stderr]    --> src/main.rs:255:1
Nov 16 17:49:08.342 INFO [stderr]     |
Nov 16 17:49:08.342 INFO [stderr] 255 | fn show_number() {
Nov 16 17:49:08.342 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 16 17:49:08.342 INFO [stderr] 
Nov 16 17:49:08.674 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Nov 16 17:49:08.677 INFO [stderr] su: No module specific data is present
Nov 16 17:49:09.639 INFO running `"docker" "inspect" "c8ad72cbf0e25629aac8bfa2b9ea81788df5d9fd7b2661fe0df58a7bb0e5b8c9"`
Nov 16 17:49:09.905 INFO running `"docker" "rm" "-f" "c8ad72cbf0e25629aac8bfa2b9ea81788df5d9fd7b2661fe0df58a7bb0e5b8c9"`
Nov 16 17:49:10.211 INFO [stdout] c8ad72cbf0e25629aac8bfa2b9ea81788df5d9fd7b2661fe0df58a7bb0e5b8c9
Nov 16 17:49:10.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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"`
Nov 16 17:49:10.731 INFO [stdout] bcb653f7741de7b72b837803228ae7d46ee3e69ab1422815d08d3528efb582b2
Nov 16 17:49:10.736 INFO running `"docker" "start" "-a" "bcb653f7741de7b72b837803228ae7d46ee3e69ab1422815d08d3528efb582b2"`
Nov 16 17:49:12.171 INFO [stderr] usermod: no changes
Nov 16 17:49:12.295 INFO [stderr]    Compiling hello_rust v0.1.0 (/source)
Nov 16 17:49:12.811 INFO [stderr] warning: unused variable: `y`
Nov 16 17:49:12.811 INFO [stderr]    --> src/main.rs:135:9
Nov 16 17:49:12.811 INFO [stderr]     |
Nov 16 17:49:12.811 INFO [stderr] 135 |     let y:(i32,&str) = (2,"word");
Nov 16 17:49:12.811 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 16 17:49:12.811 INFO [stderr]     |
Nov 16 17:49:12.811 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 17:49:12.811 INFO [stderr] 
Nov 16 17:49:12.811 INFO [stderr] warning: variable `z` is assigned to, but never used
Nov 16 17:49:12.811 INFO [stderr]    --> src/main.rs:136:13
Nov 16 17:49:12.811 INFO [stderr]     |
Nov 16 17:49:12.811 INFO [stderr] 136 |     let mut z = (1,"rust");
Nov 16 17:49:12.811 INFO [stderr]     |             ^
Nov 16 17:49:12.811 INFO [stderr]     |
Nov 16 17:49:12.811 INFO [stderr]     = note: consider using `_z` instead
Nov 16 17:49:12.811 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: value assigned to `z` is never read
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:138:5
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 138 |     z = x ;
Nov 16 17:49:12.814 INFO [stderr]     |     ^
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: unused variable: `b`
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:141:12
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Nov 16 17:49:12.814 INFO [stderr]     |            ^ help: consider using `_b` instead
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: unused variable: `c`
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:141:14
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 141 |     let (a,b,c ) = (4,5,6);
Nov 16 17:49:12.814 INFO [stderr]     |              ^ help: consider using `_c` instead
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: unused variable: `complete`
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:156:9
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 156 |     let complete = &a[..];
Nov 16 17:49:12.814 INFO [stderr]     |         ^^^^^^^^ help: consider using `_complete` instead
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: unused variable: `middle`
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:157:9
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 157 |     let middle = &a[2..4];
Nov 16 17:49:12.814 INFO [stderr]     |         ^^^^^^ help: consider using `_middle` instead
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: unused variable: `b`
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:167:14
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 167 |     let mut  b = [4,5,6];
Nov 16 17:49:12.814 INFO [stderr]     |              ^ help: consider using `_b` instead
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.814 INFO [stderr] warning: unused variable: `c`
Nov 16 17:49:12.814 INFO [stderr]    --> src/main.rs:169:9
Nov 16 17:49:12.814 INFO [stderr]     |
Nov 16 17:49:12.814 INFO [stderr] 169 |     let c = [0;20];
Nov 16 17:49:12.814 INFO [stderr]     |         ^ help: consider using `_c` instead
Nov 16 17:49:12.814 INFO [stderr] 
Nov 16 17:49:12.831 INFO [stderr] warning: variable does not need to be mutable
Nov 16 17:49:12.831 INFO [stderr]    --> src/main.rs:167:9
Nov 16 17:49:12.831 INFO [stderr]     |
Nov 16 17:49:12.831 INFO [stderr] 167 |     let mut  b = [4,5,6];
Nov 16 17:49:12.831 INFO [stderr]     |         -----^
Nov 16 17:49:12.831 INFO [stderr]     |         |
Nov 16 17:49:12.831 INFO [stderr]     |         help: remove this `mut`
Nov 16 17:49:12.831 INFO [stderr]     |
Nov 16 17:49:12.831 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 17:49:12.831 INFO [stderr] 
Nov 16 17:49:12.843 INFO [stderr] warning: function is never used: `shutdown_iterator`
Nov 16 17:49:12.843 INFO [stderr]   --> src/main.rs:45:1
Nov 16 17:49:12.844 INFO [stderr]    |
Nov 16 17:49:12.844 INFO [stderr] 45 | fn shutdown_iterator(){
Nov 16 17:49:12.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:49:12.844 INFO [stderr]    |
Nov 16 17:49:12.844 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 17:49:12.844 INFO [stderr] 
Nov 16 17:49:12.844 INFO [stderr] warning: function is never used: `test_iterator`
Nov 16 17:49:12.844 INFO [stderr]   --> src/main.rs:67:1
Nov 16 17:49:12.844 INFO [stderr]    |
Nov 16 17:49:12.844 INFO [stderr] 67 | fn test_iterator(){
Nov 16 17:49:12.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 16 17:49:12.844 INFO [stderr] 
Nov 16 17:49:12.845 INFO [stderr] warning: function is never used: `rust_loop`
Nov 16 17:49:12.845 INFO [stderr]   --> src/main.rs:76:1
Nov 16 17:49:12.845 INFO [stderr]    |
Nov 16 17:49:12.845 INFO [stderr] 76 | fn rust_loop(){
Nov 16 17:49:12.845 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 17:49:12.845 INFO [stderr] 
Nov 16 17:49:12.845 INFO [stderr] warning: function is never used: `test_if`
Nov 16 17:49:12.845 INFO [stderr]    --> src/main.rs:112:1
Nov 16 17:49:12.845 INFO [stderr]     |
Nov 16 17:49:12.845 INFO [stderr] 112 | fn test_if(){
Nov 16 17:49:12.845 INFO [stderr]     | ^^^^^^^^^^^^
Nov 16 17:49:12.845 INFO [stderr] 
Nov 16 17:49:12.845 INFO [stderr] warning: function is never used: `test_tuple`
Nov 16 17:49:12.845 INFO [stderr]    --> src/main.rs:133:1
Nov 16 17:49:12.845 INFO [stderr]     |
Nov 16 17:49:12.845 INFO [stderr] 133 | fn test_tuple(){
Nov 16 17:49:12.845 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 16 17:49:12.845 INFO [stderr] 
Nov 16 17:49:12.845 INFO [stderr] warning: function is never used: `test_slice`
Nov 16 17:49:12.845 INFO [stderr]    --> src/main.rs:153:1
Nov 16 17:49:12.845 INFO [stderr]     |
Nov 16 17:49:12.845 INFO [stderr] 153 | fn test_slice(){
Nov 16 17:49:12.845 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 16 17:49:12.845 INFO [stderr] 
Nov 16 17:49:12.846 INFO [stderr] warning: function is never used: `test_arr1`
Nov 16 17:49:12.846 INFO [stderr]    --> src/main.rs:162:1
Nov 16 17:49:12.846 INFO [stderr]     |
Nov 16 17:49:12.846 INFO [stderr] 162 | fn test_arr1(){
Nov 16 17:49:12.846 INFO [stderr]     | ^^^^^^^^^^^^^^
Nov 16 17:49:12.846 INFO [stderr] 
Nov 16 17:49:12.846 INFO [stderr] warning: function is never used: `plus_one`
Nov 16 17:49:12.846 INFO [stderr]    --> src/main.rs:173:1
Nov 16 17:49:12.846 INFO [stderr]     |
Nov 16 17:49:12.846 INFO [stderr] 173 | fn plus_one(i: i32) -> i32{
Nov 16 17:49:12.846 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:49:12.846 INFO [stderr] 
Nov 16 17:49:12.846 INFO [stderr] warning: function is never used: `diverges`
Nov 16 17:49:12.846 INFO [stderr]    --> src/main.rs:179:1
Nov 16 17:49:12.846 INFO [stderr]     |
Nov 16 17:49:12.846 INFO [stderr] 179 | fn diverges()->!{
Nov 16 17:49:12.846 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 16 17:49:12.846 INFO [stderr] 
Nov 16 17:49:12.846 INFO [stderr] warning: function is never used: `func1`
Nov 16 17:49:12.846 INFO [stderr]    --> src/main.rs:185:1
Nov 16 17:49:12.846 INFO [stderr]     |
Nov 16 17:49:12.846 INFO [stderr] 185 | fn func1(x: i32, y :i32)->i32{
Nov 16 17:49:12.846 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:49:12.846 INFO [stderr] 
Nov 16 17:49:12.847 INFO [stderr] warning: function is never used: `test_loop`
Nov 16 17:49:12.847 INFO [stderr]    --> src/main.rs:190:1
Nov 16 17:49:12.847 INFO [stderr]     |
Nov 16 17:49:12.847 INFO [stderr] 190 | fn test_loop(){
Nov 16 17:49:12.847 INFO [stderr]     | ^^^^^^^^^^^^^^
Nov 16 17:49:12.847 INFO [stderr] 
Nov 16 17:49:12.847 INFO [stderr] warning: function is never used: `compare`
Nov 16 17:49:12.847 INFO [stderr]    --> src/main.rs:223:1
Nov 16 17:49:12.847 INFO [stderr]     |
Nov 16 17:49:12.847 INFO [stderr] 223 | fn compare(){
Nov 16 17:49:12.847 INFO [stderr]     | ^^^^^^^^^^^^
Nov 16 17:49:12.847 INFO [stderr] 
Nov 16 17:49:12.847 INFO [stderr] warning: function is never used: `rand_number`
Nov 16 17:49:12.847 INFO [stderr]    --> src/main.rs:242:1
Nov 16 17:49:12.847 INFO [stderr]     |
Nov 16 17:49:12.847 INFO [stderr] 242 | fn rand_number() {
Nov 16 17:49:12.847 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 16 17:49:12.847 INFO [stderr] 
Nov 16 17:49:12.851 INFO [stderr] warning: function is never used: `show_number`
Nov 16 17:49:12.851 INFO [stderr]    --> src/main.rs:255:1
Nov 16 17:49:12.851 INFO [stderr]     |
Nov 16 17:49:12.851 INFO [stderr] 255 | fn show_number() {
Nov 16 17:49:12.851 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 16 17:49:12.851 INFO [stderr] 
Nov 16 17:49:13.191 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Nov 16 17:49:13.194 INFO [stderr] su: No module specific data is present
Nov 16 17:49:14.009 INFO running `"docker" "inspect" "bcb653f7741de7b72b837803228ae7d46ee3e69ab1422815d08d3528efb582b2"`
Nov 16 17:49:14.263 INFO running `"docker" "rm" "-f" "bcb653f7741de7b72b837803228ae7d46ee3e69ab1422815d08d3528efb582b2"`
Nov 16 17:49:14.551 INFO [stdout] bcb653f7741de7b72b837803228ae7d46ee3e69ab1422815d08d3528efb582b2
Nov 16 17:49:14.555 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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"`
Nov 16 17:49:15.251 INFO [stdout] bc734db78e3b907512630fc714984e4d66082d09b008a8e73aeb26a52dc20ff5
Nov 16 17:49:15.253 INFO running `"docker" "start" "-a" "bc734db78e3b907512630fc714984e4d66082d09b008a8e73aeb26a52dc20ff5"`
Nov 16 17:49:16.858 INFO [stderr] usermod: no changes
Nov 16 17:49:16.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 16 17:49:16.928 INFO [stderr]      Running /target/debug/deps/hello_rust-ff1c2427ef69e1eb
Nov 16 17:49:16.930 INFO [stdout] 
Nov 16 17:49:16.930 INFO [stdout] running 0 tests
Nov 16 17:49:16.935 INFO [stdout] 
Nov 16 17:49:16.935 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 17:49:16.935 INFO [stdout] 
Nov 16 17:49:16.939 INFO [stderr] su: No module specific data is present
Nov 16 17:49:17.856 INFO running `"docker" "inspect" "bc734db78e3b907512630fc714984e4d66082d09b008a8e73aeb26a52dc20ff5"`
Nov 16 17:49:18.117 INFO running `"docker" "rm" "-f" "bc734db78e3b907512630fc714984e4d66082d09b008a8e73aeb26a52dc20ff5"`
Nov 16 17:49:18.447 INFO [stdout] bc734db78e3b907512630fc714984e4d66082d09b008a8e73aeb26a52dc20ff5