Oct 13 05:08:33.276 INFO checking DLeyland/Hello-Rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 05:08:33.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 05:08:33.609 INFO blam! bbeb6498d5e90ddf2b8f0770c84ae3cbcc801d59bd1a3a7265ca9f1746fe974f
Oct 13 05:08:33.620 INFO running `"docker" "start" "-a" "bbeb6498d5e90ddf2b8f0770c84ae3cbcc801d59bd1a3a7265ca9f1746fe974f"`
Oct 13 05:08:34.498 INFO kablam! usermod: no changes
Oct 13 05:08:34.567 INFO kablam!     Checking hello_world v0.0.1 (/source)
Oct 13 05:08:35.227 INFO kablam! warning: unused variable: `i`
Oct 13 05:08:35.227 INFO kablam!  --> src/main.rs:4:9
Oct 13 05:08:35.227 INFO kablam!   |
Oct 13 05:08:35.228 INFO kablam! 4 |     for i in 0..10{
Oct 13 05:08:35.228 INFO kablam!   |         ^ help: consider using `_i` instead
Oct 13 05:08:35.228 INFO kablam!   |
Oct 13 05:08:35.228 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:08:35.228 INFO kablam! 
Oct 13 05:08:35.228 INFO kablam! warning: unused variable: `hello_world1`
Oct 13 05:08:35.228 INFO kablam!   --> src/main.rs:24:6
Oct 13 05:08:35.228 INFO kablam!    |
Oct 13 05:08:35.228 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Oct 13 05:08:35.228 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Oct 13 05:08:35.228 INFO kablam! 
Oct 13 05:08:35.228 INFO kablam! warning: unused variable: `hello_world2`
Oct 13 05:08:35.228 INFO kablam!   --> src/main.rs:28:6
Oct 13 05:08:35.228 INFO kablam!    |
Oct 13 05:08:35.228 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Oct 13 05:08:35.228 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Oct 13 05:08:35.228 INFO kablam! 
Oct 13 05:08:35.228 INFO kablam! warning: function is never used: `for_loop`
Oct 13 05:08:35.228 INFO kablam!  --> src/main.rs:1:1
Oct 13 05:08:35.228 INFO kablam!   |
Oct 13 05:08:35.229 INFO kablam! 1 | fn for_loop(){
Oct 13 05:08:35.229 INFO kablam!   | ^^^^^^^^^^^^^
Oct 13 05:08:35.229 INFO kablam!   |
Oct 13 05:08:35.229 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 05:08:35.229 INFO kablam! 
Oct 13 05:08:35.229 INFO kablam! warning: function is never used: `while_loop_with_vec`
Oct 13 05:08:35.229 INFO kablam!   --> src/main.rs:10:1
Oct 13 05:08:35.229 INFO kablam!    |
Oct 13 05:08:35.229 INFO kablam! 10 | fn while_loop_with_vec(){
Oct 13 05:08:35.229 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:35.229 INFO kablam! 
Oct 13 05:08:35.229 INFO kablam! warning: function is never used: `string_example`
Oct 13 05:08:35.229 INFO kablam!   --> src/main.rs:20:1
Oct 13 05:08:35.229 INFO kablam!    |
Oct 13 05:08:35.229 INFO kablam! 20 | fn string_example(){
Oct 13 05:08:35.229 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:35.229 INFO kablam! 
Oct 13 05:08:35.229 INFO kablam! warning: struct is never constructed: `Circle`
Oct 13 05:08:35.229 INFO kablam!   --> src/main.rs:31:1
Oct 13 05:08:35.229 INFO kablam!    |
Oct 13 05:08:35.229 INFO kablam! 31 | struct Circle{
Oct 13 05:08:35.229 INFO kablam!    | ^^^^^^^^^^^^^
Oct 13 05:08:35.230 INFO kablam! 
Oct 13 05:08:35.230 INFO kablam! warning: method is never used: `area`
Oct 13 05:08:35.230 INFO kablam!   --> src/main.rs:38:2
Oct 13 05:08:35.230 INFO kablam!    |
Oct 13 05:08:35.230 INFO kablam! 38 |     fn area(&self)->f64{
Oct 13 05:08:35.230 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:35.230 INFO kablam! 
Oct 13 05:08:35.230 INFO kablam! warning: function is never used: `circle_area`
Oct 13 05:08:35.230 INFO kablam!   --> src/main.rs:43:1
Oct 13 05:08:35.230 INFO kablam!    |
Oct 13 05:08:35.230 INFO kablam! 43 | fn circle_area(){ 
Oct 13 05:08:35.230 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 13 05:08:35.230 INFO kablam! 
Oct 13 05:08:35.240 INFO kablam! warning: unused variable: `i`
Oct 13 05:08:35.240 INFO kablam!  --> src/main.rs:4:9
Oct 13 05:08:35.240 INFO kablam!   |
Oct 13 05:08:35.241 INFO kablam! 4 |     for i in 0..10{
Oct 13 05:08:35.241 INFO kablam!   |         ^ help: consider using `_i` instead
Oct 13 05:08:35.241 INFO kablam!   |
Oct 13 05:08:35.241 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 13 05:08:35.241 INFO kablam! 
Oct 13 05:08:35.241 INFO kablam! warning: unused variable: `hello_world1`
Oct 13 05:08:35.241 INFO kablam!   --> src/main.rs:24:6
Oct 13 05:08:35.241 INFO kablam!    |
Oct 13 05:08:35.241 INFO kablam! 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Oct 13 05:08:35.241 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Oct 13 05:08:35.241 INFO kablam! 
Oct 13 05:08:35.241 INFO kablam! warning: unused variable: `hello_world2`
Oct 13 05:08:35.241 INFO kablam!   --> src/main.rs:28:6
Oct 13 05:08:35.241 INFO kablam!    |
Oct 13 05:08:35.241 INFO kablam! 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Oct 13 05:08:35.241 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Oct 13 05:08:35.241 INFO kablam! 
Oct 13 05:08:35.248 INFO kablam! warning: function is never used: `for_loop`
Oct 13 05:08:35.248 INFO kablam!  --> src/main.rs:1:1
Oct 13 05:08:35.249 INFO kablam!   |
Oct 13 05:08:35.249 INFO kablam! 1 | fn for_loop(){
Oct 13 05:08:35.249 INFO kablam!   | ^^^^^^^^^^^^^
Oct 13 05:08:35.249 INFO kablam!   |
Oct 13 05:08:35.249 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 05:08:35.249 INFO kablam! 
Oct 13 05:08:35.249 INFO kablam! warning: function is never used: `while_loop_with_vec`
Oct 13 05:08:35.249 INFO kablam!   --> src/main.rs:10:1
Oct 13 05:08:35.249 INFO kablam!    |
Oct 13 05:08:35.249 INFO kablam! 10 | fn while_loop_with_vec(){
Oct 13 05:08:35.249 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:35.249 INFO kablam! 
Oct 13 05:08:35.249 INFO kablam! warning: function is never used: `string_example`
Oct 13 05:08:35.249 INFO kablam!   --> src/main.rs:20:1
Oct 13 05:08:35.249 INFO kablam!    |
Oct 13 05:08:35.249 INFO kablam! 20 | fn string_example(){
Oct 13 05:08:35.249 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:35.249 INFO kablam! 
Oct 13 05:08:35.249 INFO kablam! warning: struct is never constructed: `Circle`
Oct 13 05:08:35.249 INFO kablam!   --> src/main.rs:31:1
Oct 13 05:08:35.249 INFO kablam!    |
Oct 13 05:08:35.249 INFO kablam! 31 | struct Circle{
Oct 13 05:08:35.249 INFO kablam!    | ^^^^^^^^^^^^^
Oct 13 05:08:35.249 INFO kablam! 
Oct 13 05:08:35.249 INFO kablam! warning: method is never used: `area`
Oct 13 05:08:35.249 INFO kablam!   --> src/main.rs:38:2
Oct 13 05:08:35.250 INFO kablam!    |
Oct 13 05:08:35.250 INFO kablam! 38 |     fn area(&self)->f64{
Oct 13 05:08:35.250 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 05:08:35.250 INFO kablam! 
Oct 13 05:08:35.250 INFO kablam! warning: function is never used: `circle_area`
Oct 13 05:08:35.250 INFO kablam!   --> src/main.rs:43:1
Oct 13 05:08:35.250 INFO kablam!    |
Oct 13 05:08:35.250 INFO kablam! 43 | fn circle_area(){ 
Oct 13 05:08:35.250 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 13 05:08:35.250 INFO kablam! 
Oct 13 05:08:35.321 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Oct 13 05:08:35.328 INFO kablam! su: No module specific data is present
Oct 13 05:08:35.944 INFO running `"docker" "rm" "-f" "bbeb6498d5e90ddf2b8f0770c84ae3cbcc801d59bd1a3a7265ca9f1746fe974f"`
Oct 13 05:08:36.143 INFO blam! bbeb6498d5e90ddf2b8f0770c84ae3cbcc801d59bd1a3a7265ca9f1746fe974f