Aug 31 07:34:38.874 INFO checking DLeyland/Hello-Rust against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 07:34:38.874 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 07:34:38.874 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 07:34:39.130 INFO blam! 750bc2db1e1d74041a1f5c30a275666dfd9ec29d690dc70902d1cc821531d642
Aug 31 07:34:39.132 INFO running `"docker" "start" "-a" "750bc2db1e1d74041a1f5c30a275666dfd9ec29d690dc70902d1cc821531d642"`
Aug 31 07:34:39.943 INFO kablam!     Checking hello_world v0.0.1 (file:///source)
Aug 31 07:34:40.343 INFO kablam! warning: unused variable: `i`
Aug 31 07:34:40.343 INFO kablam!  --> src/main.rs:4:9
Aug 31 07:34:40.344 INFO kablam!   |
Aug 31 07:34:40.344 INFO kablam! 4 |     for i in 0..10{
Aug 31 07:34:40.344 INFO kablam!   |         ^ help: consider using `_i` instead
Aug 31 07:34:40.344 INFO kablam!   |
Aug 31 07:34:40.344 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 31 07:34:40.344 INFO kablam! 
Aug 31 07:34:40.344 INFO kablam! warning: unused variable: `hello_world1`
Aug 31 07:34:40.344 INFO kablam!   --> src/main.rs:24:6
Aug 31 07:34:40.344 INFO kablam!    |
Aug 31 07:34:40.344 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Aug 31 07:34:40.344 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Aug 31 07:34:40.345 INFO kablam! 
Aug 31 07:34:40.345 INFO kablam! warning: unused variable: `hello_world2`
Aug 31 07:34:40.345 INFO kablam!   --> src/main.rs:28:6
Aug 31 07:34:40.345 INFO kablam!    |
Aug 31 07:34:40.345 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Aug 31 07:34:40.345 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Aug 31 07:34:40.345 INFO kablam! 
Aug 31 07:34:40.362 INFO kablam! warning: function is never used: `for_loop`
Aug 31 07:34:40.362 INFO kablam!  --> src/main.rs:1:1
Aug 31 07:34:40.362 INFO kablam!   |
Aug 31 07:34:40.362 INFO kablam! 1 | fn for_loop(){
Aug 31 07:34:40.362 INFO kablam!   | ^^^^^^^^^^^^^
Aug 31 07:34:40.362 INFO kablam!   |
Aug 31 07:34:40.362 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 07:34:40.362 INFO kablam! 
Aug 31 07:34:40.362 INFO kablam! warning: function is never used: `while_loop_with_vec`
Aug 31 07:34:40.362 INFO kablam!   --> src/main.rs:10:1
Aug 31 07:34:40.362 INFO kablam!    |
Aug 31 07:34:40.362 INFO kablam! 10 | fn while_loop_with_vec(){
Aug 31 07:34:40.362 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:34:40.362 INFO kablam! 
Aug 31 07:34:40.362 INFO kablam! warning: function is never used: `string_example`
Aug 31 07:34:40.362 INFO kablam!   --> src/main.rs:20:1
Aug 31 07:34:40.362 INFO kablam!    |
Aug 31 07:34:40.363 INFO kablam! 20 | fn string_example(){
Aug 31 07:34:40.363 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Aug 31 07:34:40.363 INFO kablam! 
Aug 31 07:34:40.363 INFO kablam! warning: struct is never constructed: `Circle`
Aug 31 07:34:40.363 INFO kablam!   --> src/main.rs:31:1
Aug 31 07:34:40.363 INFO kablam!    |
Aug 31 07:34:40.363 INFO kablam! 31 | struct Circle{
Aug 31 07:34:40.363 INFO kablam!    | ^^^^^^^^^^^^^
Aug 31 07:34:40.363 INFO kablam! 
Aug 31 07:34:40.363 INFO kablam! warning: method is never used: `area`
Aug 31 07:34:40.363 INFO kablam!   --> src/main.rs:38:2
Aug 31 07:34:40.363 INFO kablam!    |
Aug 31 07:34:40.363 INFO kablam! 38 |     fn area(&self)->f64{
Aug 31 07:34:40.363 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Aug 31 07:34:40.363 INFO kablam! 
Aug 31 07:34:40.363 INFO kablam! warning: function is never used: `circle_area`
Aug 31 07:34:40.363 INFO kablam!   --> src/main.rs:43:1
Aug 31 07:34:40.363 INFO kablam!    |
Aug 31 07:34:40.363 INFO kablam! 43 | fn circle_area(){ 
Aug 31 07:34:40.363 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 31 07:34:40.363 INFO kablam! 
Aug 31 07:34:40.428 INFO kablam! warning: unused variable: `i`
Aug 31 07:34:40.428 INFO kablam!  --> src/main.rs:4:9
Aug 31 07:34:40.428 INFO kablam!   |
Aug 31 07:34:40.428 INFO kablam! 4 |     for i in 0..10{
Aug 31 07:34:40.428 INFO kablam!   |         ^ help: consider using `_i` instead
Aug 31 07:34:40.428 INFO kablam!   |
Aug 31 07:34:40.428 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 31 07:34:40.428 INFO kablam! 
Aug 31 07:34:40.428 INFO kablam! warning: unused variable: `hello_world1`
Aug 31 07:34:40.428 INFO kablam!   --> src/main.rs:24:6
Aug 31 07:34:40.428 INFO kablam!    |
Aug 31 07:34:40.428 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Aug 31 07:34:40.429 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Aug 31 07:34:40.429 INFO kablam! 
Aug 31 07:34:40.429 INFO kablam! warning: unused variable: `hello_world2`
Aug 31 07:34:40.429 INFO kablam!   --> src/main.rs:28:6
Aug 31 07:34:40.429 INFO kablam!    |
Aug 31 07:34:40.429 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Aug 31 07:34:40.429 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Aug 31 07:34:40.429 INFO kablam! 
Aug 31 07:34:40.440 INFO kablam! warning: function is never used: `for_loop`
Aug 31 07:34:40.440 INFO kablam!  --> src/main.rs:1:1
Aug 31 07:34:40.440 INFO kablam!   |
Aug 31 07:34:40.440 INFO kablam! 1 | fn for_loop(){
Aug 31 07:34:40.440 INFO kablam!   | ^^^^^^^^^^^^^
Aug 31 07:34:40.440 INFO kablam!   |
Aug 31 07:34:40.440 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 07:34:40.440 INFO kablam! 
Aug 31 07:34:40.441 INFO kablam! warning: function is never used: `while_loop_with_vec`
Aug 31 07:34:40.441 INFO kablam!   --> src/main.rs:10:1
Aug 31 07:34:40.441 INFO kablam!    |
Aug 31 07:34:40.441 INFO kablam! 10 | fn while_loop_with_vec(){
Aug 31 07:34:40.441 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:34:40.441 INFO kablam! 
Aug 31 07:34:40.441 INFO kablam! warning: function is never used: `string_example`
Aug 31 07:34:40.441 INFO kablam!   --> src/main.rs:20:1
Aug 31 07:34:40.441 INFO kablam!    |
Aug 31 07:34:40.441 INFO kablam! 20 | fn string_example(){
Aug 31 07:34:40.441 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Aug 31 07:34:40.441 INFO kablam! 
Aug 31 07:34:40.441 INFO kablam! warning: struct is never constructed: `Circle`
Aug 31 07:34:40.441 INFO kablam!   --> src/main.rs:31:1
Aug 31 07:34:40.441 INFO kablam!    |
Aug 31 07:34:40.441 INFO kablam! 31 | struct Circle{
Aug 31 07:34:40.441 INFO kablam!    | ^^^^^^^^^^^^^
Aug 31 07:34:40.441 INFO kablam! 
Aug 31 07:34:40.442 INFO kablam! warning: method is never used: `area`
Aug 31 07:34:40.442 INFO kablam!   --> src/main.rs:38:2
Aug 31 07:34:40.442 INFO kablam!    |
Aug 31 07:34:40.442 INFO kablam! 38 |     fn area(&self)->f64{
Aug 31 07:34:40.442 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Aug 31 07:34:40.442 INFO kablam! 
Aug 31 07:34:40.442 INFO kablam! warning: function is never used: `circle_area`
Aug 31 07:34:40.442 INFO kablam!   --> src/main.rs:43:1
Aug 31 07:34:40.442 INFO kablam!    |
Aug 31 07:34:40.442 INFO kablam! 43 | fn circle_area(){ 
Aug 31 07:34:40.442 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 31 07:34:40.442 INFO kablam! 
Aug 31 07:34:40.455 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Aug 31 07:34:40.458 INFO kablam! su: No module specific data is present
Aug 31 07:34:40.831 INFO running `"docker" "rm" "-f" "750bc2db1e1d74041a1f5c30a275666dfd9ec29d690dc70902d1cc821531d642"`
Aug 31 07:34:40.942 INFO blam! 750bc2db1e1d74041a1f5c30a275666dfd9ec29d690dc70902d1cc821531d642