Nov 17 16:04:03.580 INFO testing DLeyland/Hello-Rust against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 16:04:03.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 16:04:03.964 INFO [stdout] 57eaec3d433e859d4c1dca15ff3c0c1136b6b605d1a659e3ad1c3f1aade0ad80
Nov 17 16:04:03.975 INFO running `"docker" "start" "-a" "57eaec3d433e859d4c1dca15ff3c0c1136b6b605d1a659e3ad1c3f1aade0ad80"`
Nov 17 16:04:05.040 INFO [stderr] usermod: no changes
Nov 17 16:04:05.118 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Nov 17 16:04:05.515 INFO [stderr] warning: unused variable: `i`
Nov 17 16:04:05.515 INFO [stderr]  --> src/main.rs:4:9
Nov 17 16:04:05.515 INFO [stderr]   |
Nov 17 16:04:05.515 INFO [stderr] 4 |     for i in 0..10{
Nov 17 16:04:05.515 INFO [stderr]   |         ^ help: consider using `_i` instead
Nov 17 16:04:05.516 INFO [stderr]   |
Nov 17 16:04:05.516 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 16:04:05.516 INFO [stderr] 
Nov 17 16:04:05.517 INFO [stderr] warning: unused variable: `hello_world1`
Nov 17 16:04:05.517 INFO [stderr]   --> src/main.rs:24:6
Nov 17 16:04:05.517 INFO [stderr]    |
Nov 17 16:04:05.518 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Nov 17 16:04:05.518 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Nov 17 16:04:05.518 INFO [stderr] 
Nov 17 16:04:05.518 INFO [stderr] warning: unused variable: `hello_world2`
Nov 17 16:04:05.519 INFO [stderr]   --> src/main.rs:28:6
Nov 17 16:04:05.519 INFO [stderr]    |
Nov 17 16:04:05.519 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Nov 17 16:04:05.520 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Nov 17 16:04:05.520 INFO [stderr] 
Nov 17 16:04:05.527 INFO [stderr] warning: function is never used: `for_loop`
Nov 17 16:04:05.527 INFO [stderr]  --> src/main.rs:1:1
Nov 17 16:04:05.528 INFO [stderr]   |
Nov 17 16:04:05.528 INFO [stderr] 1 | fn for_loop(){
Nov 17 16:04:05.528 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 17 16:04:05.529 INFO [stderr]   |
Nov 17 16:04:05.529 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 16:04:05.529 INFO [stderr] 
Nov 17 16:04:05.530 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Nov 17 16:04:05.530 INFO [stderr]   --> src/main.rs:10:1
Nov 17 16:04:05.530 INFO [stderr]    |
Nov 17 16:04:05.530 INFO [stderr] 10 | fn while_loop_with_vec(){
Nov 17 16:04:05.531 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:04:05.531 INFO [stderr] 
Nov 17 16:04:05.531 INFO [stderr] warning: function is never used: `string_example`
Nov 17 16:04:05.532 INFO [stderr]   --> src/main.rs:20:1
Nov 17 16:04:05.532 INFO [stderr]    |
Nov 17 16:04:05.532 INFO [stderr] 20 | fn string_example(){
Nov 17 16:04:05.533 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 17 16:04:05.533 INFO [stderr] 
Nov 17 16:04:05.533 INFO [stderr] warning: struct is never constructed: `Circle`
Nov 17 16:04:05.534 INFO [stderr]   --> src/main.rs:31:1
Nov 17 16:04:05.534 INFO [stderr]    |
Nov 17 16:04:05.534 INFO [stderr] 31 | struct Circle{
Nov 17 16:04:05.535 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 17 16:04:05.535 INFO [stderr] 
Nov 17 16:04:05.535 INFO [stderr] warning: method is never used: `area`
Nov 17 16:04:05.536 INFO [stderr]   --> src/main.rs:38:2
Nov 17 16:04:05.536 INFO [stderr]    |
Nov 17 16:04:05.536 INFO [stderr] 38 |     fn area(&self)->f64{
Nov 17 16:04:05.536 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 17 16:04:05.537 INFO [stderr] 
Nov 17 16:04:05.537 INFO [stderr] warning: function is never used: `circle_area`
Nov 17 16:04:05.537 INFO [stderr]   --> src/main.rs:43:1
Nov 17 16:04:05.538 INFO [stderr]    |
Nov 17 16:04:05.538 INFO [stderr] 43 | fn circle_area(){ 
Nov 17 16:04:05.538 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 17 16:04:05.539 INFO [stderr] 
Nov 17 16:04:05.849 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 17 16:04:05.855 INFO [stderr] su: No module specific data is present
Nov 17 16:04:06.427 INFO running `"docker" "inspect" "57eaec3d433e859d4c1dca15ff3c0c1136b6b605d1a659e3ad1c3f1aade0ad80"`
Nov 17 16:04:06.703 INFO running `"docker" "rm" "-f" "57eaec3d433e859d4c1dca15ff3c0c1136b6b605d1a659e3ad1c3f1aade0ad80"`
Nov 17 16:04:06.971 INFO [stdout] 57eaec3d433e859d4c1dca15ff3c0c1136b6b605d1a659e3ad1c3f1aade0ad80
Nov 17 16:04:06.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 16:04:07.397 INFO [stdout] 887d54f9987c9b2dea142f362ac4bacbb804e5dc8a935134ba835732f02556cd
Nov 17 16:04:07.400 INFO running `"docker" "start" "-a" "887d54f9987c9b2dea142f362ac4bacbb804e5dc8a935134ba835732f02556cd"`
Nov 17 16:04:08.592 INFO [stderr] usermod: no changes
Nov 17 16:04:08.651 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Nov 17 16:04:09.070 INFO [stderr] warning: unused variable: `i`
Nov 17 16:04:09.070 INFO [stderr]  --> src/main.rs:4:9
Nov 17 16:04:09.070 INFO [stderr]   |
Nov 17 16:04:09.070 INFO [stderr] 4 |     for i in 0..10{
Nov 17 16:04:09.070 INFO [stderr]   |         ^ help: consider using `_i` instead
Nov 17 16:04:09.070 INFO [stderr]   |
Nov 17 16:04:09.070 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 16:04:09.070 INFO [stderr] 
Nov 17 16:04:09.070 INFO [stderr] warning: unused variable: `hello_world1`
Nov 17 16:04:09.070 INFO [stderr]   --> src/main.rs:24:6
Nov 17 16:04:09.071 INFO [stderr]    |
Nov 17 16:04:09.071 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Nov 17 16:04:09.071 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Nov 17 16:04:09.071 INFO [stderr] 
Nov 17 16:04:09.071 INFO [stderr] warning: unused variable: `hello_world2`
Nov 17 16:04:09.071 INFO [stderr]   --> src/main.rs:28:6
Nov 17 16:04:09.071 INFO [stderr]    |
Nov 17 16:04:09.071 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Nov 17 16:04:09.071 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Nov 17 16:04:09.071 INFO [stderr] 
Nov 17 16:04:09.081 INFO [stderr] warning: function is never used: `for_loop`
Nov 17 16:04:09.081 INFO [stderr]  --> src/main.rs:1:1
Nov 17 16:04:09.081 INFO [stderr]   |
Nov 17 16:04:09.081 INFO [stderr] 1 | fn for_loop(){
Nov 17 16:04:09.081 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 17 16:04:09.081 INFO [stderr]   |
Nov 17 16:04:09.081 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 16:04:09.081 INFO [stderr] 
Nov 17 16:04:09.081 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Nov 17 16:04:09.081 INFO [stderr]   --> src/main.rs:10:1
Nov 17 16:04:09.081 INFO [stderr]    |
Nov 17 16:04:09.081 INFO [stderr] 10 | fn while_loop_with_vec(){
Nov 17 16:04:09.081 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:04:09.081 INFO [stderr] 
Nov 17 16:04:09.081 INFO [stderr] warning: function is never used: `string_example`
Nov 17 16:04:09.081 INFO [stderr]   --> src/main.rs:20:1
Nov 17 16:04:09.081 INFO [stderr]    |
Nov 17 16:04:09.081 INFO [stderr] 20 | fn string_example(){
Nov 17 16:04:09.081 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 17 16:04:09.081 INFO [stderr] 
Nov 17 16:04:09.081 INFO [stderr] warning: struct is never constructed: `Circle`
Nov 17 16:04:09.081 INFO [stderr]   --> src/main.rs:31:1
Nov 17 16:04:09.081 INFO [stderr]    |
Nov 17 16:04:09.081 INFO [stderr] 31 | struct Circle{
Nov 17 16:04:09.082 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 17 16:04:09.082 INFO [stderr] 
Nov 17 16:04:09.082 INFO [stderr] warning: method is never used: `area`
Nov 17 16:04:09.082 INFO [stderr]   --> src/main.rs:38:2
Nov 17 16:04:09.082 INFO [stderr]    |
Nov 17 16:04:09.082 INFO [stderr] 38 |     fn area(&self)->f64{
Nov 17 16:04:09.082 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 17 16:04:09.082 INFO [stderr] 
Nov 17 16:04:09.082 INFO [stderr] warning: function is never used: `circle_area`
Nov 17 16:04:09.082 INFO [stderr]   --> src/main.rs:43:1
Nov 17 16:04:09.082 INFO [stderr]    |
Nov 17 16:04:09.082 INFO [stderr] 43 | fn circle_area(){ 
Nov 17 16:04:09.082 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 17 16:04:09.082 INFO [stderr] 
Nov 17 16:04:09.337 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Nov 17 16:04:09.344 INFO [stderr] su: No module specific data is present
Nov 17 16:04:09.601 INFO running `"docker" "inspect" "887d54f9987c9b2dea142f362ac4bacbb804e5dc8a935134ba835732f02556cd"`
Nov 17 16:04:09.701 INFO running `"docker" "rm" "-f" "887d54f9987c9b2dea142f362ac4bacbb804e5dc8a935134ba835732f02556cd"`
Nov 17 16:04:09.847 INFO [stdout] 887d54f9987c9b2dea142f362ac4bacbb804e5dc8a935134ba835732f02556cd
Nov 17 16:04:09.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 16:04:10.077 INFO [stdout] 8b531441c11929a4e6ca0bf88188365fdf6b11c5e088ac0b93ce7d17c3689e82
Nov 17 16:04:10.080 INFO running `"docker" "start" "-a" "8b531441c11929a4e6ca0bf88188365fdf6b11c5e088ac0b93ce7d17c3689e82"`
Nov 17 16:04:10.778 INFO [stderr] usermod: no changes
Nov 17 16:04:10.850 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 17 16:04:10.851 INFO [stderr]      Running /target/debug/deps/hello_world-44f4db7f13f779b6
Nov 17 16:04:10.857 INFO [stdout] 
Nov 17 16:04:10.857 INFO [stdout] running 0 tests
Nov 17 16:04:10.857 INFO [stdout] 
Nov 17 16:04:10.857 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:04:10.857 INFO [stdout] 
Nov 17 16:04:10.859 INFO [stderr] su: No module specific data is present
Nov 17 16:04:11.328 INFO running `"docker" "inspect" "8b531441c11929a4e6ca0bf88188365fdf6b11c5e088ac0b93ce7d17c3689e82"`
Nov 17 16:04:11.421 INFO running `"docker" "rm" "-f" "8b531441c11929a4e6ca0bf88188365fdf6b11c5e088ac0b93ce7d17c3689e82"`
Nov 17 16:04:11.526 INFO [stdout] 8b531441c11929a4e6ca0bf88188365fdf6b11c5e088ac0b93ce7d17c3689e82