Aug 10 21:16:25.986 INFO checking DLeyland/Hello-Rust against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 10 21:16:25.986 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 21:16:25.987 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 21:16:25.987 INFO running `"docker" "create" "-v" "/tmp/crater.k9tvJKYt9mHC:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 21:16:26.211 INFO blam! b80b4269a89ffea246669195b48ef17f59fdc8db9bf9d44299aae946c42d089b
Aug 10 21:16:26.213 INFO running `"docker" "start" "-a" "b80b4269a89ffea246669195b48ef17f59fdc8db9bf9d44299aae946c42d089b"`
Aug 10 21:16:27.119 INFO kablam!     Checking hello_world v0.0.1 (file:///source)
Aug 10 21:16:27.906 INFO kablam! warning: unused variable: `i`
Aug 10 21:16:27.906 INFO kablam!  --> src/main.rs:4:9
Aug 10 21:16:27.906 INFO kablam!   |
Aug 10 21:16:27.906 INFO kablam! 4 |     for i in 0..10{
Aug 10 21:16:27.906 INFO kablam!   |         ^ help: consider using `_i` instead
Aug 10 21:16:27.907 INFO kablam!   |
Aug 10 21:16:27.907 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 10 21:16:27.907 INFO kablam! 
Aug 10 21:16:27.907 INFO kablam! warning: unused variable: `hello_world1`
Aug 10 21:16:27.907 INFO kablam!   --> src/main.rs:24:6
Aug 10 21:16:27.907 INFO kablam!    |
Aug 10 21:16:27.907 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Aug 10 21:16:27.907 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Aug 10 21:16:27.907 INFO kablam! 
Aug 10 21:16:27.907 INFO kablam! warning: unused variable: `hello_world2`
Aug 10 21:16:27.907 INFO kablam!   --> src/main.rs:28:6
Aug 10 21:16:27.907 INFO kablam!    |
Aug 10 21:16:27.907 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Aug 10 21:16:27.907 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Aug 10 21:16:27.907 INFO kablam! 
Aug 10 21:16:27.945 INFO kablam! warning: function is never used: `for_loop`
Aug 10 21:16:27.945 INFO kablam!  --> src/main.rs:1:1
Aug 10 21:16:27.945 INFO kablam!   |
Aug 10 21:16:27.945 INFO kablam! 1 | fn for_loop(){
Aug 10 21:16:27.945 INFO kablam!   | ^^^^^^^^^^^^^
Aug 10 21:16:27.945 INFO kablam!   |
Aug 10 21:16:27.945 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 10 21:16:27.945 INFO kablam! 
Aug 10 21:16:27.945 INFO kablam! warning: function is never used: `while_loop_with_vec`
Aug 10 21:16:27.945 INFO kablam!   --> src/main.rs:10:1
Aug 10 21:16:27.945 INFO kablam!    |
Aug 10 21:16:27.945 INFO kablam! 10 | fn while_loop_with_vec(){
Aug 10 21:16:27.945 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 10 21:16:27.945 INFO kablam! 
Aug 10 21:16:27.946 INFO kablam! warning: function is never used: `string_example`
Aug 10 21:16:27.946 INFO kablam!   --> src/main.rs:20:1
Aug 10 21:16:27.946 INFO kablam!    |
Aug 10 21:16:27.946 INFO kablam! 20 | fn string_example(){
Aug 10 21:16:27.946 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Aug 10 21:16:27.946 INFO kablam! 
Aug 10 21:16:27.946 INFO kablam! warning: struct is never constructed: `Circle`
Aug 10 21:16:27.946 INFO kablam!   --> src/main.rs:31:1
Aug 10 21:16:27.946 INFO kablam!    |
Aug 10 21:16:27.946 INFO kablam! 31 | struct Circle{
Aug 10 21:16:27.946 INFO kablam!    | ^^^^^^^^^^^^^
Aug 10 21:16:27.946 INFO kablam! 
Aug 10 21:16:27.946 INFO kablam! warning: method is never used: `area`
Aug 10 21:16:27.946 INFO kablam!   --> src/main.rs:38:2
Aug 10 21:16:27.946 INFO kablam!    |
Aug 10 21:16:27.946 INFO kablam! 38 |     fn area(&self)->f64{
Aug 10 21:16:27.946 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Aug 10 21:16:27.946 INFO kablam! 
Aug 10 21:16:27.946 INFO kablam! warning: function is never used: `circle_area`
Aug 10 21:16:27.947 INFO kablam!   --> src/main.rs:43:1
Aug 10 21:16:27.947 INFO kablam!    |
Aug 10 21:16:27.947 INFO kablam! 43 | fn circle_area(){ 
Aug 10 21:16:27.947 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 10 21:16:27.947 INFO kablam! 
Aug 10 21:16:27.951 INFO kablam! warning: unused variable: `i`
Aug 10 21:16:27.951 INFO kablam!  --> src/main.rs:4:9
Aug 10 21:16:27.951 INFO kablam!   |
Aug 10 21:16:27.951 INFO kablam! 4 |     for i in 0..10{
Aug 10 21:16:27.951 INFO kablam!   |         ^ help: consider using `_i` instead
Aug 10 21:16:27.951 INFO kablam!   |
Aug 10 21:16:27.951 INFO kablam!   = note: #[warn(unused_variables)] on by default
Aug 10 21:16:27.951 INFO kablam! 
Aug 10 21:16:27.951 INFO kablam! warning: unused variable: `hello_world1`
Aug 10 21:16:27.951 INFO kablam!   --> src/main.rs:24:6
Aug 10 21:16:27.951 INFO kablam!    |
Aug 10 21:16:27.951 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Aug 10 21:16:27.951 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Aug 10 21:16:27.951 INFO kablam! 
Aug 10 21:16:27.951 INFO kablam! warning: unused variable: `hello_world2`
Aug 10 21:16:27.951 INFO kablam!   --> src/main.rs:28:6
Aug 10 21:16:27.951 INFO kablam!    |
Aug 10 21:16:27.951 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Aug 10 21:16:27.951 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Aug 10 21:16:27.956 INFO kablam! 
Aug 10 21:16:27.992 INFO kablam! warning: function is never used: `for_loop`
Aug 10 21:16:27.992 INFO kablam!  --> src/main.rs:1:1
Aug 10 21:16:27.992 INFO kablam!   |
Aug 10 21:16:27.992 INFO kablam! 1 | fn for_loop(){
Aug 10 21:16:27.992 INFO kablam!   | ^^^^^^^^^^^^^
Aug 10 21:16:27.996 INFO kablam!   |
Aug 10 21:16:27.996 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 10 21:16:27.996 INFO kablam! 
Aug 10 21:16:27.997 INFO kablam! warning: function is never used: `while_loop_with_vec`
Aug 10 21:16:27.997 INFO kablam!   --> src/main.rs:10:1
Aug 10 21:16:27.997 INFO kablam!    |
Aug 10 21:16:27.997 INFO kablam! 10 | fn while_loop_with_vec(){
Aug 10 21:16:27.997 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 10 21:16:27.997 INFO kablam! 
Aug 10 21:16:27.997 INFO kablam! warning: function is never used: `string_example`
Aug 10 21:16:27.997 INFO kablam!   --> src/main.rs:20:1
Aug 10 21:16:27.997 INFO kablam!    |
Aug 10 21:16:27.997 INFO kablam! 20 | fn string_example(){
Aug 10 21:16:27.997 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Aug 10 21:16:27.997 INFO kablam! 
Aug 10 21:16:27.997 INFO kablam! warning: struct is never constructed: `Circle`
Aug 10 21:16:27.997 INFO kablam!   --> src/main.rs:31:1
Aug 10 21:16:27.997 INFO kablam!    |
Aug 10 21:16:27.997 INFO kablam! 31 | struct Circle{
Aug 10 21:16:27.997 INFO kablam!    | ^^^^^^^^^^^^^
Aug 10 21:16:27.997 INFO kablam! 
Aug 10 21:16:27.997 INFO kablam! warning: method is never used: `area`
Aug 10 21:16:27.997 INFO kablam!   --> src/main.rs:38:2
Aug 10 21:16:27.997 INFO kablam!    |
Aug 10 21:16:27.997 INFO kablam! 38 |     fn area(&self)->f64{
Aug 10 21:16:27.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Aug 10 21:16:27.997 INFO kablam! 
Aug 10 21:16:27.998 INFO kablam! warning: function is never used: `circle_area`
Aug 10 21:16:27.998 INFO kablam!   --> src/main.rs:43:1
Aug 10 21:16:27.998 INFO kablam!    |
Aug 10 21:16:27.998 INFO kablam! 43 | fn circle_area(){ 
Aug 10 21:16:27.998 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 10 21:16:27.998 INFO kablam! 
Aug 10 21:16:28.033 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Aug 10 21:16:28.039 INFO kablam! su: No module specific data is present
Aug 10 21:16:28.559 INFO running `"docker" "rm" "-f" "b80b4269a89ffea246669195b48ef17f59fdc8db9bf9d44299aae946c42d089b"`
Aug 10 21:16:28.715 INFO blam! b80b4269a89ffea246669195b48ef17f59fdc8db9bf9d44299aae946c42d089b