Sep 17 14:12:32.244 INFO checking DLeyland/Hello-Rust against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 14:12:32.244 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 14:12:32.244 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 14:12:32.628 INFO blam! ab7334698e152dbea5cc0207eae9d4c02e0a0432e2c86f7420303c0bf7b10deb
Sep 17 14:12:32.631 INFO running `"docker" "start" "-a" "ab7334698e152dbea5cc0207eae9d4c02e0a0432e2c86f7420303c0bf7b10deb"`
Sep 17 14:12:34.660 INFO kablam! usermod: no changes
Sep 17 14:12:34.717 INFO kablam!     Checking hello_world v0.0.1 (/source)
Sep 17 14:12:35.219 INFO kablam! warning: unused variable: `i`
Sep 17 14:12:35.219 INFO kablam!  --> src/main.rs:4:9
Sep 17 14:12:35.220 INFO kablam!   |
Sep 17 14:12:35.220 INFO kablam! 4 |     for i in 0..10{
Sep 17 14:12:35.220 INFO kablam!   |         ^ help: consider using `_i` instead
Sep 17 14:12:35.221 INFO kablam!   |
Sep 17 14:12:35.221 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 17 14:12:35.221 INFO kablam! 
Sep 17 14:12:35.222 INFO kablam! warning: unused variable: `hello_world1`
Sep 17 14:12:35.222 INFO kablam!   --> src/main.rs:24:6
Sep 17 14:12:35.223 INFO kablam!    |
Sep 17 14:12:35.223 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Sep 17 14:12:35.223 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Sep 17 14:12:35.223 INFO kablam! 
Sep 17 14:12:35.224 INFO kablam! warning: unused variable: `hello_world2`
Sep 17 14:12:35.224 INFO kablam!   --> src/main.rs:28:6
Sep 17 14:12:35.224 INFO kablam!    |
Sep 17 14:12:35.225 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Sep 17 14:12:35.225 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Sep 17 14:12:35.225 INFO kablam! 
Sep 17 14:12:35.231 INFO kablam! warning: function is never used: `for_loop`
Sep 17 14:12:35.231 INFO kablam!  --> src/main.rs:1:1
Sep 17 14:12:35.232 INFO kablam!   |
Sep 17 14:12:35.232 INFO kablam! 1 | fn for_loop(){
Sep 17 14:12:35.232 INFO kablam!   | ^^^^^^^^^^^^^
Sep 17 14:12:35.233 INFO kablam!   |
Sep 17 14:12:35.233 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 14:12:35.233 INFO kablam! 
Sep 17 14:12:35.234 INFO kablam! warning: function is never used: `while_loop_with_vec`
Sep 17 14:12:35.234 INFO kablam!   --> src/main.rs:10:1
Sep 17 14:12:35.234 INFO kablam!    |
Sep 17 14:12:35.235 INFO kablam! 10 | fn while_loop_with_vec(){
Sep 17 14:12:35.235 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 14:12:35.235 INFO kablam! 
Sep 17 14:12:35.235 INFO kablam! warning: function is never used: `string_example`
Sep 17 14:12:35.236 INFO kablam!   --> src/main.rs:20:1
Sep 17 14:12:35.236 INFO kablam!    |
Sep 17 14:12:35.236 INFO kablam! 20 | fn string_example(){
Sep 17 14:12:35.237 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Sep 17 14:12:35.237 INFO kablam! 
Sep 17 14:12:35.237 INFO kablam! warning: struct is never constructed: `Circle`
Sep 17 14:12:35.238 INFO kablam!   --> src/main.rs:31:1
Sep 17 14:12:35.238 INFO kablam!    |
Sep 17 14:12:35.238 INFO kablam! 31 | struct Circle{
Sep 17 14:12:35.239 INFO kablam!    | ^^^^^^^^^^^^^
Sep 17 14:12:35.239 INFO kablam! 
Sep 17 14:12:35.239 INFO kablam! warning: method is never used: `area`
Sep 17 14:12:35.239 INFO kablam!   --> src/main.rs:38:2
Sep 17 14:12:35.240 INFO kablam!    |
Sep 17 14:12:35.240 INFO kablam! 38 |     fn area(&self)->f64{
Sep 17 14:12:35.240 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 17 14:12:35.241 INFO kablam! 
Sep 17 14:12:35.241 INFO kablam! warning: function is never used: `circle_area`
Sep 17 14:12:35.241 INFO kablam!   --> src/main.rs:43:1
Sep 17 14:12:35.242 INFO kablam!    |
Sep 17 14:12:35.242 INFO kablam! 43 | fn circle_area(){ 
Sep 17 14:12:35.242 INFO kablam!    | ^^^^^^^^^^^^^^^^
Sep 17 14:12:35.243 INFO kablam! 
Sep 17 14:12:35.247 INFO kablam! warning: unused variable: `i`
Sep 17 14:12:35.247 INFO kablam!  --> src/main.rs:4:9
Sep 17 14:12:35.248 INFO kablam!   |
Sep 17 14:12:35.248 INFO kablam! 4 |     for i in 0..10{
Sep 17 14:12:35.248 INFO kablam!   |         ^ help: consider using `_i` instead
Sep 17 14:12:35.249 INFO kablam!   |
Sep 17 14:12:35.249 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 17 14:12:35.249 INFO kablam! 
Sep 17 14:12:35.250 INFO kablam! warning: unused variable: `hello_world1`
Sep 17 14:12:35.250 INFO kablam!   --> src/main.rs:24:6
Sep 17 14:12:35.251 INFO kablam!    |
Sep 17 14:12:35.251 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Sep 17 14:12:35.251 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Sep 17 14:12:35.251 INFO kablam! 
Sep 17 14:12:35.252 INFO kablam! warning: unused variable: `hello_world2`
Sep 17 14:12:35.252 INFO kablam!   --> src/main.rs:28:6
Sep 17 14:12:35.252 INFO kablam!    |
Sep 17 14:12:35.253 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Sep 17 14:12:35.253 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Sep 17 14:12:35.253 INFO kablam! 
Sep 17 14:12:35.253 INFO kablam! warning: function is never used: `for_loop`
Sep 17 14:12:35.254 INFO kablam!  --> src/main.rs:1:1
Sep 17 14:12:35.254 INFO kablam!   |
Sep 17 14:12:35.254 INFO kablam! 1 | fn for_loop(){
Sep 17 14:12:35.254 INFO kablam!   | ^^^^^^^^^^^^^
Sep 17 14:12:35.254 INFO kablam!   |
Sep 17 14:12:35.254 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 14:12:35.254 INFO kablam! 
Sep 17 14:12:35.254 INFO kablam! warning: function is never used: `while_loop_with_vec`
Sep 17 14:12:35.254 INFO kablam!   --> src/main.rs:10:1
Sep 17 14:12:35.254 INFO kablam!    |
Sep 17 14:12:35.255 INFO kablam! 10 | fn while_loop_with_vec(){
Sep 17 14:12:35.255 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 14:12:35.255 INFO kablam! 
Sep 17 14:12:35.255 INFO kablam! warning: function is never used: `string_example`
Sep 17 14:12:35.255 INFO kablam!   --> src/main.rs:20:1
Sep 17 14:12:35.255 INFO kablam!    |
Sep 17 14:12:35.255 INFO kablam! 20 | fn string_example(){
Sep 17 14:12:35.255 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Sep 17 14:12:35.255 INFO kablam! 
Sep 17 14:12:35.255 INFO kablam! warning: struct is never constructed: `Circle`
Sep 17 14:12:35.255 INFO kablam!   --> src/main.rs:31:1
Sep 17 14:12:35.255 INFO kablam!    |
Sep 17 14:12:35.255 INFO kablam! 31 | struct Circle{
Sep 17 14:12:35.255 INFO kablam!    | ^^^^^^^^^^^^^
Sep 17 14:12:35.255 INFO kablam! 
Sep 17 14:12:35.255 INFO kablam! warning: method is never used: `area`
Sep 17 14:12:35.255 INFO kablam!   --> src/main.rs:38:2
Sep 17 14:12:35.255 INFO kablam!    |
Sep 17 14:12:35.255 INFO kablam! 38 |     fn area(&self)->f64{
Sep 17 14:12:35.255 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 17 14:12:35.255 INFO kablam! 
Sep 17 14:12:35.255 INFO kablam! warning: function is never used: `circle_area`
Sep 17 14:12:35.255 INFO kablam!   --> src/main.rs:43:1
Sep 17 14:12:35.255 INFO kablam!    |
Sep 17 14:12:35.256 INFO kablam! 43 | fn circle_area(){ 
Sep 17 14:12:35.256 INFO kablam!    | ^^^^^^^^^^^^^^^^
Sep 17 14:12:35.256 INFO kablam! 
Sep 17 14:12:35.291 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Sep 17 14:12:35.293 INFO kablam! su: No module specific data is present
Sep 17 14:12:36.727 INFO running `"docker" "rm" "-f" "ab7334698e152dbea5cc0207eae9d4c02e0a0432e2c86f7420303c0bf7b10deb"`
Sep 17 14:12:37.075 INFO blam! ab7334698e152dbea5cc0207eae9d4c02e0a0432e2c86f7420303c0bf7b10deb