Dec 02 08:30:36.010 INFO testing DLeyland/Hello-Rust against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 08:30:36.011 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:30:36.527 INFO [stdout] 1fb3e8f8362bed556655ef33ede684605d642309c8b545087a6b59853c2138d5
Dec 02 08:30:36.532 INFO running `"docker" "start" "-a" "1fb3e8f8362bed556655ef33ede684605d642309c8b545087a6b59853c2138d5"`
Dec 02 08:30:37.739 INFO [stderr] usermod: no changes
Dec 02 08:30:37.807 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 02 08:30:38.355 INFO [stderr] warning: unused variable: `i`
Dec 02 08:30:38.355 INFO [stderr]  --> src/main.rs:4:9
Dec 02 08:30:38.355 INFO [stderr]   |
Dec 02 08:30:38.355 INFO [stderr] 4 |     for i in 0..10{
Dec 02 08:30:38.355 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 02 08:30:38.355 INFO [stderr]   |
Dec 02 08:30:38.355 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 02 08:30:38.355 INFO [stderr] 
Dec 02 08:30:38.355 INFO [stderr] warning: unused variable: `hello_world1`
Dec 02 08:30:38.355 INFO [stderr]   --> src/main.rs:24:6
Dec 02 08:30:38.355 INFO [stderr]    |
Dec 02 08:30:38.355 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Dec 02 08:30:38.355 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Dec 02 08:30:38.355 INFO [stderr] 
Dec 02 08:30:38.355 INFO [stderr] warning: unused variable: `hello_world2`
Dec 02 08:30:38.355 INFO [stderr]   --> src/main.rs:28:6
Dec 02 08:30:38.355 INFO [stderr]    |
Dec 02 08:30:38.355 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Dec 02 08:30:38.355 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Dec 02 08:30:38.355 INFO [stderr] 
Dec 02 08:30:38.363 INFO [stderr] warning: function is never used: `for_loop`
Dec 02 08:30:38.363 INFO [stderr]  --> src/main.rs:1:1
Dec 02 08:30:38.363 INFO [stderr]   |
Dec 02 08:30:38.363 INFO [stderr] 1 | fn for_loop(){
Dec 02 08:30:38.363 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 02 08:30:38.363 INFO [stderr]   |
Dec 02 08:30:38.363 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 08:30:38.363 INFO [stderr] 
Dec 02 08:30:38.363 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Dec 02 08:30:38.363 INFO [stderr]   --> src/main.rs:10:1
Dec 02 08:30:38.363 INFO [stderr]    |
Dec 02 08:30:38.363 INFO [stderr] 10 | fn while_loop_with_vec(){
Dec 02 08:30:38.363 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:38.363 INFO [stderr] 
Dec 02 08:30:38.363 INFO [stderr] warning: function is never used: `string_example`
Dec 02 08:30:38.363 INFO [stderr]   --> src/main.rs:20:1
Dec 02 08:30:38.363 INFO [stderr]    |
Dec 02 08:30:38.363 INFO [stderr] 20 | fn string_example(){
Dec 02 08:30:38.363 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:38.363 INFO [stderr] 
Dec 02 08:30:38.363 INFO [stderr] warning: struct is never constructed: `Circle`
Dec 02 08:30:38.363 INFO [stderr]   --> src/main.rs:31:1
Dec 02 08:30:38.363 INFO [stderr]    |
Dec 02 08:30:38.363 INFO [stderr] 31 | struct Circle{
Dec 02 08:30:38.363 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 02 08:30:38.363 INFO [stderr] 
Dec 02 08:30:38.363 INFO [stderr] warning: method is never used: `area`
Dec 02 08:30:38.363 INFO [stderr]   --> src/main.rs:38:2
Dec 02 08:30:38.363 INFO [stderr]    |
Dec 02 08:30:38.363 INFO [stderr] 38 |     fn area(&self)->f64{
Dec 02 08:30:38.363 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:38.363 INFO [stderr] 
Dec 02 08:30:38.363 INFO [stderr] warning: function is never used: `circle_area`
Dec 02 08:30:38.363 INFO [stderr]   --> src/main.rs:43:1
Dec 02 08:30:38.363 INFO [stderr]    |
Dec 02 08:30:38.363 INFO [stderr] 43 | fn circle_area(){ 
Dec 02 08:30:38.363 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 08:30:38.363 INFO [stderr] 
Dec 02 08:30:38.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 02 08:30:38.745 INFO [stderr] su: No module specific data is present
Dec 02 08:30:39.275 INFO running `"docker" "inspect" "1fb3e8f8362bed556655ef33ede684605d642309c8b545087a6b59853c2138d5"`
Dec 02 08:30:39.673 INFO running `"docker" "rm" "-f" "1fb3e8f8362bed556655ef33ede684605d642309c8b545087a6b59853c2138d5"`
Dec 02 08:30:40.067 INFO [stdout] 1fb3e8f8362bed556655ef33ede684605d642309c8b545087a6b59853c2138d5
Dec 02 08:30:40.075 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:30:40.436 INFO [stdout] f19592973cf013db44dbb1a8b8e9cd2ab64cfd966c2b811d60bed8b34bd87e41
Dec 02 08:30:40.438 INFO running `"docker" "start" "-a" "f19592973cf013db44dbb1a8b8e9cd2ab64cfd966c2b811d60bed8b34bd87e41"`
Dec 02 08:30:41.635 INFO [stderr] usermod: no changes
Dec 02 08:30:41.694 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 02 08:30:42.487 INFO [stderr] warning: unused variable: `i`
Dec 02 08:30:42.487 INFO [stderr]  --> src/main.rs:4:9
Dec 02 08:30:42.487 INFO [stderr]   |
Dec 02 08:30:42.487 INFO [stderr] 4 |     for i in 0..10{
Dec 02 08:30:42.487 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 02 08:30:42.487 INFO [stderr]   |
Dec 02 08:30:42.487 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 02 08:30:42.487 INFO [stderr] 
Dec 02 08:30:42.487 INFO [stderr] warning: unused variable: `hello_world1`
Dec 02 08:30:42.487 INFO [stderr]   --> src/main.rs:24:6
Dec 02 08:30:42.487 INFO [stderr]    |
Dec 02 08:30:42.487 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Dec 02 08:30:42.487 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Dec 02 08:30:42.487 INFO [stderr] 
Dec 02 08:30:42.487 INFO [stderr] warning: unused variable: `hello_world2`
Dec 02 08:30:42.487 INFO [stderr]   --> src/main.rs:28:6
Dec 02 08:30:42.487 INFO [stderr]    |
Dec 02 08:30:42.487 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Dec 02 08:30:42.487 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Dec 02 08:30:42.487 INFO [stderr] 
Dec 02 08:30:42.497 INFO [stderr] warning: function is never used: `for_loop`
Dec 02 08:30:42.497 INFO [stderr]  --> src/main.rs:1:1
Dec 02 08:30:42.497 INFO [stderr]   |
Dec 02 08:30:42.497 INFO [stderr] 1 | fn for_loop(){
Dec 02 08:30:42.497 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 02 08:30:42.497 INFO [stderr]   |
Dec 02 08:30:42.497 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 08:30:42.497 INFO [stderr] 
Dec 02 08:30:42.497 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Dec 02 08:30:42.497 INFO [stderr]   --> src/main.rs:10:1
Dec 02 08:30:42.497 INFO [stderr]    |
Dec 02 08:30:42.497 INFO [stderr] 10 | fn while_loop_with_vec(){
Dec 02 08:30:42.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:42.497 INFO [stderr] 
Dec 02 08:30:42.497 INFO [stderr] warning: function is never used: `string_example`
Dec 02 08:30:42.497 INFO [stderr]   --> src/main.rs:20:1
Dec 02 08:30:42.497 INFO [stderr]    |
Dec 02 08:30:42.497 INFO [stderr] 20 | fn string_example(){
Dec 02 08:30:42.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:42.497 INFO [stderr] 
Dec 02 08:30:42.497 INFO [stderr] warning: struct is never constructed: `Circle`
Dec 02 08:30:42.497 INFO [stderr]   --> src/main.rs:31:1
Dec 02 08:30:42.497 INFO [stderr]    |
Dec 02 08:30:42.497 INFO [stderr] 31 | struct Circle{
Dec 02 08:30:42.497 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 02 08:30:42.497 INFO [stderr] 
Dec 02 08:30:42.497 INFO [stderr] warning: method is never used: `area`
Dec 02 08:30:42.497 INFO [stderr]   --> src/main.rs:38:2
Dec 02 08:30:42.497 INFO [stderr]    |
Dec 02 08:30:42.497 INFO [stderr] 38 |     fn area(&self)->f64{
Dec 02 08:30:42.497 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:42.497 INFO [stderr] 
Dec 02 08:30:42.497 INFO [stderr] warning: function is never used: `circle_area`
Dec 02 08:30:42.497 INFO [stderr]   --> src/main.rs:43:1
Dec 02 08:30:42.497 INFO [stderr]    |
Dec 02 08:30:42.497 INFO [stderr] 43 | fn circle_area(){ 
Dec 02 08:30:42.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 08:30:42.497 INFO [stderr] 
Dec 02 08:30:43.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 02 08:30:43.004 INFO [stderr] su: No module specific data is present
Dec 02 08:30:43.853 INFO running `"docker" "inspect" "f19592973cf013db44dbb1a8b8e9cd2ab64cfd966c2b811d60bed8b34bd87e41"`
Dec 02 08:30:44.191 INFO running `"docker" "rm" "-f" "f19592973cf013db44dbb1a8b8e9cd2ab64cfd966c2b811d60bed8b34bd87e41"`
Dec 02 08:30:44.483 INFO [stdout] f19592973cf013db44dbb1a8b8e9cd2ab64cfd966c2b811d60bed8b34bd87e41
Dec 02 08:30:44.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:30:44.943 INFO [stdout] 4e85995d592a1dbb355107f4104d95f2831bb6defbe68108718003947cf7f196
Dec 02 08:30:44.945 INFO running `"docker" "start" "-a" "4e85995d592a1dbb355107f4104d95f2831bb6defbe68108718003947cf7f196"`
Dec 02 08:30:46.366 INFO [stderr] usermod: no changes
Dec 02 08:30:46.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 02 08:30:46.419 INFO [stdout] 
Dec 02 08:30:46.419 INFO [stderr]      Running /target/debug/deps/hello_world-6601e55745913072
Dec 02 08:30:46.419 INFO [stdout] running 0 tests
Dec 02 08:30:46.419 INFO [stdout] 
Dec 02 08:30:46.419 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:30:46.419 INFO [stdout] 
Dec 02 08:30:46.420 INFO [stderr] su: No module specific data is present
Dec 02 08:30:47.255 INFO running `"docker" "inspect" "4e85995d592a1dbb355107f4104d95f2831bb6defbe68108718003947cf7f196"`
Dec 02 08:30:47.561 INFO running `"docker" "rm" "-f" "4e85995d592a1dbb355107f4104d95f2831bb6defbe68108718003947cf7f196"`
Dec 02 08:30:47.899 INFO [stdout] 4e85995d592a1dbb355107f4104d95f2831bb6defbe68108718003947cf7f196
