Nov 30 11:32:44.258 INFO checking DLeyland/Hello-Rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:32:44.258 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 11:32:44.808 INFO [stdout] 79322cf5e420d4f6068d9a11be2a19aeed71bb591cc2e232d57ee9162c60489a
Nov 30 11:32:44.814 INFO running `"docker" "start" "-a" "79322cf5e420d4f6068d9a11be2a19aeed71bb591cc2e232d57ee9162c60489a"`
Nov 30 11:32:45.992 INFO [stderr] usermod: no changes
Nov 30 11:32:46.076 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Nov 30 11:32:46.712 INFO [stderr] warning: unused variable: `i`
Nov 30 11:32:46.712 INFO [stderr]  --> src/main.rs:4:9
Nov 30 11:32:46.712 INFO [stderr]   |
Nov 30 11:32:46.712 INFO [stderr] 4 |     for i in 0..10{
Nov 30 11:32:46.712 INFO [stderr]   |         ^ help: consider using `_i` instead
Nov 30 11:32:46.712 INFO [stderr]   |
Nov 30 11:32:46.712 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:32:46.712 INFO [stderr] 
Nov 30 11:32:46.712 INFO [stderr] warning: unused variable: `hello_world1`
Nov 30 11:32:46.712 INFO [stderr]   --> src/main.rs:24:6
Nov 30 11:32:46.712 INFO [stderr]    |
Nov 30 11:32:46.712 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Nov 30 11:32:46.712 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Nov 30 11:32:46.712 INFO [stderr] 
Nov 30 11:32:46.712 INFO [stderr] warning: unused variable: `hello_world2`
Nov 30 11:32:46.712 INFO [stderr]   --> src/main.rs:28:6
Nov 30 11:32:46.712 INFO [stderr]    |
Nov 30 11:32:46.712 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Nov 30 11:32:46.712 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Nov 30 11:32:46.712 INFO [stderr] 
Nov 30 11:32:46.722 INFO [stderr] warning: function is never used: `for_loop`
Nov 30 11:32:46.722 INFO [stderr]  --> src/main.rs:1:1
Nov 30 11:32:46.722 INFO [stderr]   |
Nov 30 11:32:46.722 INFO [stderr] 1 | fn for_loop(){
Nov 30 11:32:46.722 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 30 11:32:46.722 INFO [stderr]   |
Nov 30 11:32:46.722 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 11:32:46.722 INFO [stderr] 
Nov 30 11:32:46.722 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Nov 30 11:32:46.722 INFO [stderr]   --> src/main.rs:10:1
Nov 30 11:32:46.723 INFO [stderr]    |
Nov 30 11:32:46.723 INFO [stderr] 10 | fn while_loop_with_vec(){
Nov 30 11:32:46.723 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:46.723 INFO [stderr] 
Nov 30 11:32:46.723 INFO [stderr] warning: function is never used: `string_example`
Nov 30 11:32:46.723 INFO [stderr]   --> src/main.rs:20:1
Nov 30 11:32:46.723 INFO [stderr]    |
Nov 30 11:32:46.723 INFO [stderr] 20 | fn string_example(){
Nov 30 11:32:46.723 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:46.723 INFO [stderr] 
Nov 30 11:32:46.723 INFO [stderr] warning: struct is never constructed: `Circle`
Nov 30 11:32:46.723 INFO [stderr]   --> src/main.rs:31:1
Nov 30 11:32:46.723 INFO [stderr]    |
Nov 30 11:32:46.723 INFO [stderr] 31 | struct Circle{
Nov 30 11:32:46.723 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 30 11:32:46.723 INFO [stderr] 
Nov 30 11:32:46.723 INFO [stderr] warning: method is never used: `area`
Nov 30 11:32:46.723 INFO [stderr]   --> src/main.rs:38:2
Nov 30 11:32:46.723 INFO [stderr]    |
Nov 30 11:32:46.723 INFO [stderr] 38 |     fn area(&self)->f64{
Nov 30 11:32:46.723 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:46.723 INFO [stderr] 
Nov 30 11:32:46.723 INFO [stderr] warning: function is never used: `circle_area`
Nov 30 11:32:46.723 INFO [stderr]   --> src/main.rs:43:1
Nov 30 11:32:46.723 INFO [stderr]    |
Nov 30 11:32:46.723 INFO [stderr] 43 | fn circle_area(){ 
Nov 30 11:32:46.723 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 11:32:46.723 INFO [stderr] 
Nov 30 11:32:46.792 INFO [stderr] warning: unused variable: `i`
Nov 30 11:32:46.792 INFO [stderr]  --> src/main.rs:4:9
Nov 30 11:32:46.793 INFO [stderr]   |
Nov 30 11:32:46.793 INFO [stderr] 4 |     for i in 0..10{
Nov 30 11:32:46.793 INFO [stderr]   |         ^ help: consider using `_i` instead
Nov 30 11:32:46.793 INFO [stderr]   |
Nov 30 11:32:46.793 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:32:46.793 INFO [stderr] 
Nov 30 11:32:46.793 INFO [stderr] warning: unused variable: `hello_world1`
Nov 30 11:32:46.793 INFO [stderr]   --> src/main.rs:24:6
Nov 30 11:32:46.793 INFO [stderr]    |
Nov 30 11:32:46.793 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Nov 30 11:32:46.793 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Nov 30 11:32:46.793 INFO [stderr] 
Nov 30 11:32:46.793 INFO [stderr] warning: unused variable: `hello_world2`
Nov 30 11:32:46.793 INFO [stderr]   --> src/main.rs:28:6
Nov 30 11:32:46.793 INFO [stderr]    |
Nov 30 11:32:46.793 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Nov 30 11:32:46.793 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Nov 30 11:32:46.793 INFO [stderr] 
Nov 30 11:32:46.806 INFO [stderr] warning: function is never used: `for_loop`
Nov 30 11:32:46.806 INFO [stderr]  --> src/main.rs:1:1
Nov 30 11:32:46.806 INFO [stderr]   |
Nov 30 11:32:46.806 INFO [stderr] 1 | fn for_loop(){
Nov 30 11:32:46.806 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 30 11:32:46.806 INFO [stderr]   |
Nov 30 11:32:46.806 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 11:32:46.806 INFO [stderr] 
Nov 30 11:32:46.806 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Nov 30 11:32:46.806 INFO [stderr]   --> src/main.rs:10:1
Nov 30 11:32:46.806 INFO [stderr]    |
Nov 30 11:32:46.806 INFO [stderr] 10 | fn while_loop_with_vec(){
Nov 30 11:32:46.806 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:46.806 INFO [stderr] 
Nov 30 11:32:46.806 INFO [stderr] warning: function is never used: `string_example`
Nov 30 11:32:46.806 INFO [stderr]   --> src/main.rs:20:1
Nov 30 11:32:46.806 INFO [stderr]    |
Nov 30 11:32:46.806 INFO [stderr] 20 | fn string_example(){
Nov 30 11:32:46.806 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:46.806 INFO [stderr] 
Nov 30 11:32:46.806 INFO [stderr] warning: struct is never constructed: `Circle`
Nov 30 11:32:46.806 INFO [stderr]   --> src/main.rs:31:1
Nov 30 11:32:46.806 INFO [stderr]    |
Nov 30 11:32:46.806 INFO [stderr] 31 | struct Circle{
Nov 30 11:32:46.806 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 30 11:32:46.806 INFO [stderr] 
Nov 30 11:32:46.806 INFO [stderr] warning: method is never used: `area`
Nov 30 11:32:46.806 INFO [stderr]   --> src/main.rs:38:2
Nov 30 11:32:46.806 INFO [stderr]    |
Nov 30 11:32:46.806 INFO [stderr] 38 |     fn area(&self)->f64{
Nov 30 11:32:46.806 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:46.806 INFO [stderr] 
Nov 30 11:32:46.806 INFO [stderr] warning: function is never used: `circle_area`
Nov 30 11:32:46.806 INFO [stderr]   --> src/main.rs:43:1
Nov 30 11:32:46.806 INFO [stderr]    |
Nov 30 11:32:46.806 INFO [stderr] 43 | fn circle_area(){ 
Nov 30 11:32:46.806 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 11:32:46.806 INFO [stderr] 
Nov 30 11:32:46.816 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Nov 30 11:32:46.819 INFO [stderr] su: No module specific data is present
Nov 30 11:32:47.400 INFO running `"docker" "inspect" "79322cf5e420d4f6068d9a11be2a19aeed71bb591cc2e232d57ee9162c60489a"`
Nov 30 11:32:47.676 INFO running `"docker" "rm" "-f" "79322cf5e420d4f6068d9a11be2a19aeed71bb591cc2e232d57ee9162c60489a"`
Nov 30 11:32:47.945 INFO [stdout] 79322cf5e420d4f6068d9a11be2a19aeed71bb591cc2e232d57ee9162c60489a