Oct 27 12:16:45.255 INFO checking DLeyland/Hello-Rust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 12:16:45.255 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-alt check --frozen --all --all-targets" "-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"`
Oct 27 12:16:45.695 INFO blam! 5f5fa3104e58deb77208e82b47dfe2cfe54467612122b267f553f2c44c66ba01
Oct 27 12:16:45.711 INFO running `"docker" "start" "-a" "5f5fa3104e58deb77208e82b47dfe2cfe54467612122b267f553f2c44c66ba01"`
Oct 27 12:16:46.827 INFO kablam! usermod: no changes
Oct 27 12:16:46.895 INFO kablam!     Checking hello_world v0.0.1 (/source)
Oct 27 12:16:47.799 INFO kablam! warning: unused variable: `i`
Oct 27 12:16:47.799 INFO kablam!  --> src/main.rs:4:9
Oct 27 12:16:47.799 INFO kablam!   |
Oct 27 12:16:47.799 INFO kablam! 4 |     for i in 0..10{
Oct 27 12:16:47.799 INFO kablam!   |         ^ help: consider using `_i` instead
Oct 27 12:16:47.799 INFO kablam!   |
Oct 27 12:16:47.799 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 12:16:47.799 INFO kablam! 
Oct 27 12:16:47.799 INFO kablam! warning: unused variable: `hello_world1`
Oct 27 12:16:47.799 INFO kablam!   --> src/main.rs:24:6
Oct 27 12:16:47.799 INFO kablam!    |
Oct 27 12:16:47.799 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Oct 27 12:16:47.799 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Oct 27 12:16:47.799 INFO kablam! 
Oct 27 12:16:47.799 INFO kablam! warning: unused variable: `hello_world2`
Oct 27 12:16:47.799 INFO kablam!   --> src/main.rs:28:6
Oct 27 12:16:47.799 INFO kablam!    |
Oct 27 12:16:47.799 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Oct 27 12:16:47.799 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Oct 27 12:16:47.799 INFO kablam! 
Oct 27 12:16:47.812 INFO kablam! warning: function is never used: `for_loop`
Oct 27 12:16:47.812 INFO kablam!  --> src/main.rs:1:1
Oct 27 12:16:47.812 INFO kablam!   |
Oct 27 12:16:47.812 INFO kablam! 1 | fn for_loop(){
Oct 27 12:16:47.812 INFO kablam!   | ^^^^^^^^^^^^^
Oct 27 12:16:47.812 INFO kablam!   |
Oct 27 12:16:47.812 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 12:16:47.812 INFO kablam! 
Oct 27 12:16:47.812 INFO kablam! warning: function is never used: `while_loop_with_vec`
Oct 27 12:16:47.812 INFO kablam!   --> src/main.rs:10:1
Oct 27 12:16:47.812 INFO kablam!    |
Oct 27 12:16:47.812 INFO kablam! 10 | fn while_loop_with_vec(){
Oct 27 12:16:47.812 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:16:47.812 INFO kablam! 
Oct 27 12:16:47.812 INFO kablam! warning: function is never used: `string_example`
Oct 27 12:16:47.812 INFO kablam!   --> src/main.rs:20:1
Oct 27 12:16:47.812 INFO kablam!    |
Oct 27 12:16:47.812 INFO kablam! 20 | fn string_example(){
Oct 27 12:16:47.812 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 27 12:16:47.812 INFO kablam! 
Oct 27 12:16:47.812 INFO kablam! warning: struct is never constructed: `Circle`
Oct 27 12:16:47.812 INFO kablam!   --> src/main.rs:31:1
Oct 27 12:16:47.812 INFO kablam!    |
Oct 27 12:16:47.812 INFO kablam! 31 | struct Circle{
Oct 27 12:16:47.812 INFO kablam!    | ^^^^^^^^^^^^^
Oct 27 12:16:47.812 INFO kablam! 
Oct 27 12:16:47.812 INFO kablam! warning: method is never used: `area`
Oct 27 12:16:47.812 INFO kablam!   --> src/main.rs:38:2
Oct 27 12:16:47.812 INFO kablam!    |
Oct 27 12:16:47.812 INFO kablam! 38 |     fn area(&self)->f64{
Oct 27 12:16:47.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 27 12:16:47.812 INFO kablam! 
Oct 27 12:16:47.813 INFO kablam! warning: function is never used: `circle_area`
Oct 27 12:16:47.813 INFO kablam!   --> src/main.rs:43:1
Oct 27 12:16:47.813 INFO kablam!    |
Oct 27 12:16:47.813 INFO kablam! 43 | fn circle_area(){ 
Oct 27 12:16:47.813 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 27 12:16:47.813 INFO kablam! 
Oct 27 12:16:48.203 INFO kablam! warning: unused variable: `i`
Oct 27 12:16:48.203 INFO kablam!  --> src/main.rs:4:9
Oct 27 12:16:48.203 INFO kablam!   |
Oct 27 12:16:48.203 INFO kablam! 4 |     for i in 0..10{
Oct 27 12:16:48.203 INFO kablam!   |         ^ help: consider using `_i` instead
Oct 27 12:16:48.203 INFO kablam!   |
Oct 27 12:16:48.203 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 12:16:48.203 INFO kablam! 
Oct 27 12:16:48.203 INFO kablam! warning: unused variable: `hello_world1`
Oct 27 12:16:48.203 INFO kablam!   --> src/main.rs:24:6
Oct 27 12:16:48.203 INFO kablam!    |
Oct 27 12:16:48.203 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Oct 27 12:16:48.203 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Oct 27 12:16:48.203 INFO kablam! 
Oct 27 12:16:48.203 INFO kablam! warning: unused variable: `hello_world2`
Oct 27 12:16:48.203 INFO kablam!   --> src/main.rs:28:6
Oct 27 12:16:48.203 INFO kablam!    |
Oct 27 12:16:48.203 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Oct 27 12:16:48.203 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Oct 27 12:16:48.203 INFO kablam! 
Oct 27 12:16:48.211 INFO kablam! warning: function is never used: `for_loop`
Oct 27 12:16:48.211 INFO kablam!  --> src/main.rs:1:1
Oct 27 12:16:48.211 INFO kablam!   |
Oct 27 12:16:48.211 INFO kablam! 1 | fn for_loop(){
Oct 27 12:16:48.211 INFO kablam!   | ^^^^^^^^^^^^^
Oct 27 12:16:48.211 INFO kablam!   |
Oct 27 12:16:48.211 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 12:16:48.211 INFO kablam! 
Oct 27 12:16:48.211 INFO kablam! warning: function is never used: `while_loop_with_vec`
Oct 27 12:16:48.211 INFO kablam!   --> src/main.rs:10:1
Oct 27 12:16:48.211 INFO kablam!    |
Oct 27 12:16:48.211 INFO kablam! 10 | fn while_loop_with_vec(){
Oct 27 12:16:48.211 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:16:48.211 INFO kablam! 
Oct 27 12:16:48.211 INFO kablam! warning: function is never used: `string_example`
Oct 27 12:16:48.211 INFO kablam!   --> src/main.rs:20:1
Oct 27 12:16:48.211 INFO kablam!    |
Oct 27 12:16:48.211 INFO kablam! 20 | fn string_example(){
Oct 27 12:16:48.211 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 27 12:16:48.211 INFO kablam! 
Oct 27 12:16:48.211 INFO kablam! warning: struct is never constructed: `Circle`
Oct 27 12:16:48.211 INFO kablam!   --> src/main.rs:31:1
Oct 27 12:16:48.211 INFO kablam!    |
Oct 27 12:16:48.211 INFO kablam! 31 | struct Circle{
Oct 27 12:16:48.211 INFO kablam!    | ^^^^^^^^^^^^^
Oct 27 12:16:48.211 INFO kablam! 
Oct 27 12:16:48.211 INFO kablam! warning: method is never used: `area`
Oct 27 12:16:48.211 INFO kablam!   --> src/main.rs:38:2
Oct 27 12:16:48.211 INFO kablam!    |
Oct 27 12:16:48.211 INFO kablam! 38 |     fn area(&self)->f64{
Oct 27 12:16:48.211 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 27 12:16:48.211 INFO kablam! 
Oct 27 12:16:48.211 INFO kablam! warning: function is never used: `circle_area`
Oct 27 12:16:48.211 INFO kablam!   --> src/main.rs:43:1
Oct 27 12:16:48.211 INFO kablam!    |
Oct 27 12:16:48.211 INFO kablam! 43 | fn circle_area(){ 
Oct 27 12:16:48.211 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 27 12:16:48.211 INFO kablam! 
Oct 27 12:16:48.227 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Oct 27 12:16:48.227 INFO kablam! su: No module specific data is present
Oct 27 12:16:49.198 INFO running `"docker" "rm" "-f" "5f5fa3104e58deb77208e82b47dfe2cfe54467612122b267f553f2c44c66ba01"`
Oct 27 12:16:49.552 INFO blam! 5f5fa3104e58deb77208e82b47dfe2cfe54467612122b267f553f2c44c66ba01