Dec 14 11:09:29.792 INFO testing DLeyland/Hello-Rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 11:09:29.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 11:09:30.379 INFO [stdout] cc1c5261778bf97be01dde9d3af0bfc1db820d34692bb9d06b9f4297208766c6
Dec 14 11:09:30.383 INFO running `"docker" "start" "-a" "cc1c5261778bf97be01dde9d3af0bfc1db820d34692bb9d06b9f4297208766c6"`
Dec 14 11:09:31.495 INFO [stderr] usermod: no changes
Dec 14 11:09:31.571 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 14 11:09:32.134 INFO [stderr] warning: unused variable: `i`
Dec 14 11:09:32.134 INFO [stderr]  --> src/main.rs:4:9
Dec 14 11:09:32.134 INFO [stderr]   |
Dec 14 11:09:32.134 INFO [stderr] 4 |     for i in 0..10{
Dec 14 11:09:32.134 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 14 11:09:32.134 INFO [stderr]   |
Dec 14 11:09:32.134 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:09:32.134 INFO [stderr] 
Dec 14 11:09:32.134 INFO [stderr] warning: unused variable: `hello_world1`
Dec 14 11:09:32.134 INFO [stderr]   --> src/main.rs:24:6
Dec 14 11:09:32.135 INFO [stderr]    |
Dec 14 11:09:32.135 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Dec 14 11:09:32.135 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Dec 14 11:09:32.135 INFO [stderr] 
Dec 14 11:09:32.135 INFO [stderr] warning: unused variable: `hello_world2`
Dec 14 11:09:32.135 INFO [stderr]   --> src/main.rs:28:6
Dec 14 11:09:32.135 INFO [stderr]    |
Dec 14 11:09:32.135 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Dec 14 11:09:32.135 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Dec 14 11:09:32.135 INFO [stderr] 
Dec 14 11:09:32.147 INFO [stderr] warning: function is never used: `for_loop`
Dec 14 11:09:32.147 INFO [stderr]  --> src/main.rs:1:1
Dec 14 11:09:32.147 INFO [stderr]   |
Dec 14 11:09:32.147 INFO [stderr] 1 | fn for_loop(){
Dec 14 11:09:32.147 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 11:09:32.147 INFO [stderr]   |
Dec 14 11:09:32.147 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 11:09:32.147 INFO [stderr] 
Dec 14 11:09:32.147 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Dec 14 11:09:32.147 INFO [stderr]   --> src/main.rs:10:1
Dec 14 11:09:32.147 INFO [stderr]    |
Dec 14 11:09:32.147 INFO [stderr] 10 | fn while_loop_with_vec(){
Dec 14 11:09:32.147 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:09:32.147 INFO [stderr] 
Dec 14 11:09:32.147 INFO [stderr] warning: function is never used: `string_example`
Dec 14 11:09:32.147 INFO [stderr]   --> src/main.rs:20:1
Dec 14 11:09:32.147 INFO [stderr]    |
Dec 14 11:09:32.147 INFO [stderr] 20 | fn string_example(){
Dec 14 11:09:32.147 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 14 11:09:32.147 INFO [stderr] 
Dec 14 11:09:32.147 INFO [stderr] warning: struct is never constructed: `Circle`
Dec 14 11:09:32.147 INFO [stderr]   --> src/main.rs:31:1
Dec 14 11:09:32.147 INFO [stderr]    |
Dec 14 11:09:32.147 INFO [stderr] 31 | struct Circle{
Dec 14 11:09:32.147 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 14 11:09:32.147 INFO [stderr] 
Dec 14 11:09:32.147 INFO [stderr] warning: method is never used: `area`
Dec 14 11:09:32.147 INFO [stderr]   --> src/main.rs:38:2
Dec 14 11:09:32.147 INFO [stderr]    |
Dec 14 11:09:32.147 INFO [stderr] 38 |     fn area(&self)->f64{
Dec 14 11:09:32.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 11:09:32.147 INFO [stderr] 
Dec 14 11:09:32.147 INFO [stderr] warning: function is never used: `circle_area`
Dec 14 11:09:32.147 INFO [stderr]   --> src/main.rs:43:1
Dec 14 11:09:32.147 INFO [stderr]    |
Dec 14 11:09:32.147 INFO [stderr] 43 | fn circle_area(){ 
Dec 14 11:09:32.147 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 14 11:09:32.147 INFO [stderr] 
Dec 14 11:09:32.603 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 14 11:09:32.607 INFO [stderr] su: No module specific data is present
Dec 14 11:09:33.443 INFO running `"docker" "inspect" "cc1c5261778bf97be01dde9d3af0bfc1db820d34692bb9d06b9f4297208766c6"`
Dec 14 11:09:33.777 INFO running `"docker" "rm" "-f" "cc1c5261778bf97be01dde9d3af0bfc1db820d34692bb9d06b9f4297208766c6"`
Dec 14 11:09:34.134 INFO [stdout] cc1c5261778bf97be01dde9d3af0bfc1db820d34692bb9d06b9f4297208766c6
Dec 14 11:09:34.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 11:09:34.647 INFO [stdout] c9b1e5c6f05f034fa1a7decf8768bbe69a3c7f1796fe4af4a00386b091b24a2f
Dec 14 11:09:34.652 INFO running `"docker" "start" "-a" "c9b1e5c6f05f034fa1a7decf8768bbe69a3c7f1796fe4af4a00386b091b24a2f"`
Dec 14 11:09:35.829 INFO [stderr] usermod: no changes
Dec 14 11:09:35.899 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 14 11:09:36.587 INFO [stderr] warning: unused variable: `i`
Dec 14 11:09:36.587 INFO [stderr]  --> src/main.rs:4:9
Dec 14 11:09:36.587 INFO [stderr]   |
Dec 14 11:09:36.587 INFO [stderr] 4 |     for i in 0..10{
Dec 14 11:09:36.587 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 14 11:09:36.587 INFO [stderr]   |
Dec 14 11:09:36.587 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 11:09:36.587 INFO [stderr] 
Dec 14 11:09:36.587 INFO [stderr] warning: unused variable: `hello_world1`
Dec 14 11:09:36.587 INFO [stderr]   --> src/main.rs:24:6
Dec 14 11:09:36.587 INFO [stderr]    |
Dec 14 11:09:36.587 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Dec 14 11:09:36.587 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Dec 14 11:09:36.587 INFO [stderr] 
Dec 14 11:09:36.587 INFO [stderr] warning: unused variable: `hello_world2`
Dec 14 11:09:36.587 INFO [stderr]   --> src/main.rs:28:6
Dec 14 11:09:36.587 INFO [stderr]    |
Dec 14 11:09:36.587 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Dec 14 11:09:36.587 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Dec 14 11:09:36.587 INFO [stderr] 
Dec 14 11:09:36.598 INFO [stderr] warning: function is never used: `for_loop`
Dec 14 11:09:36.598 INFO [stderr]  --> src/main.rs:1:1
Dec 14 11:09:36.598 INFO [stderr]   |
Dec 14 11:09:36.598 INFO [stderr] 1 | fn for_loop(){
Dec 14 11:09:36.598 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 11:09:36.598 INFO [stderr]   |
Dec 14 11:09:36.598 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 11:09:36.598 INFO [stderr] 
Dec 14 11:09:36.598 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Dec 14 11:09:36.598 INFO [stderr]   --> src/main.rs:10:1
Dec 14 11:09:36.598 INFO [stderr]    |
Dec 14 11:09:36.598 INFO [stderr] 10 | fn while_loop_with_vec(){
Dec 14 11:09:36.598 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:09:36.598 INFO [stderr] 
Dec 14 11:09:36.598 INFO [stderr] warning: function is never used: `string_example`
Dec 14 11:09:36.598 INFO [stderr]   --> src/main.rs:20:1
Dec 14 11:09:36.598 INFO [stderr]    |
Dec 14 11:09:36.598 INFO [stderr] 20 | fn string_example(){
Dec 14 11:09:36.598 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 14 11:09:36.598 INFO [stderr] 
Dec 14 11:09:36.598 INFO [stderr] warning: struct is never constructed: `Circle`
Dec 14 11:09:36.598 INFO [stderr]   --> src/main.rs:31:1
Dec 14 11:09:36.598 INFO [stderr]    |
Dec 14 11:09:36.598 INFO [stderr] 31 | struct Circle{
Dec 14 11:09:36.598 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 14 11:09:36.598 INFO [stderr] 
Dec 14 11:09:36.598 INFO [stderr] warning: method is never used: `area`
Dec 14 11:09:36.598 INFO [stderr]   --> src/main.rs:38:2
Dec 14 11:09:36.598 INFO [stderr]    |
Dec 14 11:09:36.598 INFO [stderr] 38 |     fn area(&self)->f64{
Dec 14 11:09:36.598 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 11:09:36.598 INFO [stderr] 
Dec 14 11:09:36.598 INFO [stderr] warning: function is never used: `circle_area`
Dec 14 11:09:36.598 INFO [stderr]   --> src/main.rs:43:1
Dec 14 11:09:36.598 INFO [stderr]    |
Dec 14 11:09:36.598 INFO [stderr] 43 | fn circle_area(){ 
Dec 14 11:09:36.598 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 14 11:09:36.598 INFO [stderr] 
Dec 14 11:09:36.977 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 14 11:09:36.979 INFO [stderr] su: No module specific data is present
Dec 14 11:09:37.627 INFO running `"docker" "inspect" "c9b1e5c6f05f034fa1a7decf8768bbe69a3c7f1796fe4af4a00386b091b24a2f"`
Dec 14 11:09:37.894 INFO running `"docker" "rm" "-f" "c9b1e5c6f05f034fa1a7decf8768bbe69a3c7f1796fe4af4a00386b091b24a2f"`
Dec 14 11:09:38.106 INFO [stdout] c9b1e5c6f05f034fa1a7decf8768bbe69a3c7f1796fe4af4a00386b091b24a2f
Dec 14 11:09:38.115 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 11:09:38.491 INFO [stdout] 83a62edc967fa50ceafcdfd360c8342ebb2bf4921855329374eb060f6ce37ca0
Dec 14 11:09:38.497 INFO running `"docker" "start" "-a" "83a62edc967fa50ceafcdfd360c8342ebb2bf4921855329374eb060f6ce37ca0"`
Dec 14 11:09:39.630 INFO [stderr] usermod: no changes
Dec 14 11:09:39.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 11:09:39.725 INFO [stderr]      Running /target/debug/deps/hello_world-7de73a4287f088aa
Dec 14 11:09:39.725 INFO [stderr] su: No module specific data is present
Dec 14 11:09:39.725 INFO [stdout] 
Dec 14 11:09:39.725 INFO [stdout] running 0 tests
Dec 14 11:09:39.731 INFO [stdout] 
Dec 14 11:09:39.731 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:09:39.731 INFO [stdout] 
Dec 14 11:09:40.559 INFO running `"docker" "inspect" "83a62edc967fa50ceafcdfd360c8342ebb2bf4921855329374eb060f6ce37ca0"`
Dec 14 11:09:40.970 INFO running `"docker" "rm" "-f" "83a62edc967fa50ceafcdfd360c8342ebb2bf4921855329374eb060f6ce37ca0"`
Dec 14 11:09:41.251 INFO [stdout] 83a62edc967fa50ceafcdfd360c8342ebb2bf4921855329374eb060f6ce37ca0