Dec 02 08:30:36.945 INFO testing DLeyland/Hello-Rust against 1.30.1 for beta-1.31-5
Dec 02 08:30:36.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 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 08:30:37.500 INFO [stdout] 3e6a3813bb30faa85d4a1caa87dffce9947e3df3df8872bf8bcc8a177b35719f
Dec 02 08:30:37.502 INFO running `"docker" "start" "-a" "3e6a3813bb30faa85d4a1caa87dffce9947e3df3df8872bf8bcc8a177b35719f"`
Dec 02 08:30:38.883 INFO [stderr] usermod: no changes
Dec 02 08:30:38.957 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 02 08:30:39.632 INFO [stderr] warning: unused variable: `i`
Dec 02 08:30:39.633 INFO [stderr]  --> src/main.rs:4:9
Dec 02 08:30:39.633 INFO [stderr]   |
Dec 02 08:30:39.633 INFO [stderr] 4 |     for i in 0..10{
Dec 02 08:30:39.633 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 02 08:30:39.633 INFO [stderr]   |
Dec 02 08:30:39.633 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: unused variable: `hello_world1`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:24:6
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Dec 02 08:30:39.633 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: unused variable: `hello_world2`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:28:6
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Dec 02 08:30:39.633 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: function is never used: `for_loop`
Dec 02 08:30:39.633 INFO [stderr]  --> src/main.rs:1:1
Dec 02 08:30:39.633 INFO [stderr]   |
Dec 02 08:30:39.633 INFO [stderr] 1 | fn for_loop(){
Dec 02 08:30:39.633 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 02 08:30:39.633 INFO [stderr]   |
Dec 02 08:30:39.633 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:10:1
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 10 | fn while_loop_with_vec(){
Dec 02 08:30:39.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: function is never used: `string_example`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:20:1
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 20 | fn string_example(){
Dec 02 08:30:39.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: struct is never constructed: `Circle`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:31:1
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 31 | struct Circle{
Dec 02 08:30:39.633 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: method is never used: `area`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:38:2
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 38 |     fn area(&self)->f64{
Dec 02 08:30:39.633 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:39.633 INFO [stderr] warning: function is never used: `circle_area`
Dec 02 08:30:39.633 INFO [stderr]   --> src/main.rs:43:1
Dec 02 08:30:39.633 INFO [stderr]    |
Dec 02 08:30:39.633 INFO [stderr] 43 | fn circle_area(){ 
Dec 02 08:30:39.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 08:30:39.633 INFO [stderr] 
Dec 02 08:30:40.003 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 02 08:30:40.004 INFO [stderr] su: No module specific data is present
Dec 02 08:30:40.704 INFO running `"docker" "inspect" "3e6a3813bb30faa85d4a1caa87dffce9947e3df3df8872bf8bcc8a177b35719f"`
Dec 02 08:30:41.011 INFO running `"docker" "rm" "-f" "3e6a3813bb30faa85d4a1caa87dffce9947e3df3df8872bf8bcc8a177b35719f"`
Dec 02 08:30:41.327 INFO [stdout] 3e6a3813bb30faa85d4a1caa87dffce9947e3df3df8872bf8bcc8a177b35719f
Dec 02 08:30:41.331 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 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 08:30:41.828 INFO [stdout] 0fee0f8bffe525cb08945ba7abf2084167e4fc66b03fbbefc5888a5649fbce20
Dec 02 08:30:41.830 INFO running `"docker" "start" "-a" "0fee0f8bffe525cb08945ba7abf2084167e4fc66b03fbbefc5888a5649fbce20"`
Dec 02 08:30:43.539 INFO [stderr] usermod: no changes
Dec 02 08:30:43.611 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 02 08:30:44.379 INFO [stderr] warning: unused variable: `i`
Dec 02 08:30:44.379 INFO [stderr]  --> src/main.rs:4:9
Dec 02 08:30:44.379 INFO [stderr]   |
Dec 02 08:30:44.379 INFO [stderr] 4 |     for i in 0..10{
Dec 02 08:30:44.379 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 02 08:30:44.379 INFO [stderr]   |
Dec 02 08:30:44.379 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 02 08:30:44.379 INFO [stderr] 
Dec 02 08:30:44.379 INFO [stderr] warning: unused variable: `hello_world1`
Dec 02 08:30:44.379 INFO [stderr]   --> src/main.rs:24:6
Dec 02 08:30:44.379 INFO [stderr]    |
Dec 02 08:30:44.379 INFO [stderr] 24 |     let hello_world1 = hello + world1; //no ampersand needed to add a string and a &str
Dec 02 08:30:44.379 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world1` instead
Dec 02 08:30:44.379 INFO [stderr] 
Dec 02 08:30:44.379 INFO [stderr] warning: unused variable: `hello_world2`
Dec 02 08:30:44.379 INFO [stderr]   --> src/main.rs:28:6
Dec 02 08:30:44.379 INFO [stderr]    |
Dec 02 08:30:44.379 INFO [stderr] 28 |     let hello_world2 = hello2 + &world2; //ampersand needed when adding two strings, to allow second string to deref into &str
Dec 02 08:30:44.379 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_hello_world2` instead
Dec 02 08:30:44.379 INFO [stderr] 
Dec 02 08:30:44.387 INFO [stderr] warning: function is never used: `for_loop`
Dec 02 08:30:44.387 INFO [stderr]  --> src/main.rs:1:1
Dec 02 08:30:44.387 INFO [stderr]   |
Dec 02 08:30:44.387 INFO [stderr] 1 | fn for_loop(){
Dec 02 08:30:44.387 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 02 08:30:44.387 INFO [stderr]   |
Dec 02 08:30:44.387 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 08:30:44.387 INFO [stderr] 
Dec 02 08:30:44.387 INFO [stderr] warning: function is never used: `while_loop_with_vec`
Dec 02 08:30:44.387 INFO [stderr]   --> src/main.rs:10:1
Dec 02 08:30:44.387 INFO [stderr]    |
Dec 02 08:30:44.387 INFO [stderr] 10 | fn while_loop_with_vec(){
Dec 02 08:30:44.387 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:44.387 INFO [stderr] 
Dec 02 08:30:44.387 INFO [stderr] warning: function is never used: `string_example`
Dec 02 08:30:44.387 INFO [stderr]   --> src/main.rs:20:1
Dec 02 08:30:44.387 INFO [stderr]    |
Dec 02 08:30:44.387 INFO [stderr] 20 | fn string_example(){
Dec 02 08:30:44.387 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:44.387 INFO [stderr] 
Dec 02 08:30:44.387 INFO [stderr] warning: struct is never constructed: `Circle`
Dec 02 08:30:44.387 INFO [stderr]   --> src/main.rs:31:1
Dec 02 08:30:44.387 INFO [stderr]    |
Dec 02 08:30:44.387 INFO [stderr] 31 | struct Circle{
Dec 02 08:30:44.387 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 02 08:30:44.387 INFO [stderr] 
Dec 02 08:30:44.387 INFO [stderr] warning: method is never used: `area`
Dec 02 08:30:44.387 INFO [stderr]   --> src/main.rs:38:2
Dec 02 08:30:44.387 INFO [stderr]    |
Dec 02 08:30:44.387 INFO [stderr] 38 |     fn area(&self)->f64{
Dec 02 08:30:44.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 02 08:30:44.387 INFO [stderr] 
Dec 02 08:30:44.387 INFO [stderr] warning: function is never used: `circle_area`
Dec 02 08:30:44.387 INFO [stderr]   --> src/main.rs:43:1
Dec 02 08:30:44.387 INFO [stderr]    |
Dec 02 08:30:44.387 INFO [stderr] 43 | fn circle_area(){ 
Dec 02 08:30:44.387 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 08:30:44.387 INFO [stderr] 
Dec 02 08:30:44.859 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 02 08:30:44.859 INFO [stderr] su: No module specific data is present
Dec 02 08:30:45.525 INFO running `"docker" "inspect" "0fee0f8bffe525cb08945ba7abf2084167e4fc66b03fbbefc5888a5649fbce20"`
Dec 02 08:30:45.765 INFO running `"docker" "rm" "-f" "0fee0f8bffe525cb08945ba7abf2084167e4fc66b03fbbefc5888a5649fbce20"`
Dec 02 08:30:46.087 INFO [stdout] 0fee0f8bffe525cb08945ba7abf2084167e4fc66b03fbbefc5888a5649fbce20
Dec 02 08:30:46.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 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 08:30:46.533 INFO [stdout] bd972643957276666aac20ff2bf7959d9c62ff946f54e5a0e3049ae39b6244db
Dec 02 08:30:46.539 INFO running `"docker" "start" "-a" "bd972643957276666aac20ff2bf7959d9c62ff946f54e5a0e3049ae39b6244db"`
Dec 02 08:30:47.807 INFO [stderr] usermod: no changes
Dec 02 08:30:47.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 02 08:30:47.854 INFO [stderr]      Running /target/debug/deps/hello_world-a1e2032aacfe03c8
Dec 02 08:30:47.864 INFO [stdout] 
Dec 02 08:30:47.864 INFO [stdout] running 0 tests
Dec 02 08:30:47.864 INFO [stdout] 
Dec 02 08:30:47.864 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:30:47.864 INFO [stdout] 
Dec 02 08:30:47.868 INFO [stderr] su: No module specific data is present
Dec 02 08:30:48.547 INFO running `"docker" "inspect" "bd972643957276666aac20ff2bf7959d9c62ff946f54e5a0e3049ae39b6244db"`
Dec 02 08:30:48.869 INFO running `"docker" "rm" "-f" "bd972643957276666aac20ff2bf7959d9c62ff946f54e5a0e3049ae39b6244db"`
Dec 02 08:30:49.234 INFO [stdout] bd972643957276666aac20ff2bf7959d9c62ff946f54e5a0e3049ae39b6244db
