Nov 17 01:52:51.090 INFO testing gregorholzmann/rust-playground against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 01:52:51.091 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01:52:51.519 INFO [stdout] c415fef6cb3dcc2e84977434046c09f9cd735e73418d61a770d2b448b485fe70
Nov 17 01:52:51.521 INFO running `"docker" "start" "-a" "c415fef6cb3dcc2e84977434046c09f9cd735e73418d61a770d2b448b485fe70"`
Nov 17 01:52:52.807 INFO [stderr] usermod: no changes
Nov 17 01:52:52.872 INFO [stderr]    Compiling rust-playground v0.1.0 (/source)
Nov 17 01:52:53.347 INFO [stderr] warning: unused variable: `x`
Nov 17 01:52:53.347 INFO [stderr]   --> src/main.rs:86:9
Nov 17 01:52:53.347 INFO [stderr]    |
Nov 17 01:52:53.347 INFO [stderr] 86 |     for x in 0..number_of_cards {
Nov 17 01:52:53.348 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 01:52:53.348 INFO [stderr]    |
Nov 17 01:52:53.348 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 01:52:53.348 INFO [stderr] 
Nov 17 01:52:53.348 INFO [stderr] warning: value assigned to `num_value` is never read
Nov 17 01:52:53.348 INFO [stderr]   --> src/main.rs:25:21
Nov 17 01:52:53.348 INFO [stderr]    |
Nov 17 01:52:53.348 INFO [stderr] 25 |             let mut num_value: u8 = 0;
Nov 17 01:52:53.348 INFO [stderr]    |                     ^^^^^^^^^
Nov 17 01:52:53.348 INFO [stderr]    |
Nov 17 01:52:53.348 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 01:52:53.348 INFO [stderr] 
Nov 17 01:52:53.367 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:52:53.367 INFO [stderr]    --> src/main.rs:101:51
Nov 17 01:52:53.367 INFO [stderr]     |
Nov 17 01:52:53.367 INFO [stderr] 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Nov 17 01:52:53.367 INFO [stderr]     |                                                   ----^^^^
Nov 17 01:52:53.367 INFO [stderr]     |                                                   |
Nov 17 01:52:53.367 INFO [stderr]     |                                                   help: remove this `mut`
Nov 17 01:52:53.367 INFO [stderr]     |
Nov 17 01:52:53.367 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 01:52:53.367 INFO [stderr] 
Nov 17 01:52:54.146 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Nov 17 01:52:54.149 INFO [stderr] su: No module specific data is present
Nov 17 01:52:54.765 INFO running `"docker" "inspect" "c415fef6cb3dcc2e84977434046c09f9cd735e73418d61a770d2b448b485fe70"`
Nov 17 01:52:55.075 INFO running `"docker" "rm" "-f" "c415fef6cb3dcc2e84977434046c09f9cd735e73418d61a770d2b448b485fe70"`
Nov 17 01:52:55.319 INFO [stdout] c415fef6cb3dcc2e84977434046c09f9cd735e73418d61a770d2b448b485fe70
Nov 17 01:52:55.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01:52:55.830 INFO [stdout] 50f2f9001dfbacb89bc0997da2222a72c061cd2b3073e2830833f0e33704d064
Nov 17 01:52:55.839 INFO running `"docker" "start" "-a" "50f2f9001dfbacb89bc0997da2222a72c061cd2b3073e2830833f0e33704d064"`
Nov 17 01:52:57.021 INFO [stderr] usermod: no changes
Nov 17 01:52:57.090 INFO [stderr]    Compiling rust-playground v0.1.0 (/source)
Nov 17 01:52:57.511 INFO [stderr] warning: unused variable: `x`
Nov 17 01:52:57.513 INFO [stderr]   --> src/main.rs:86:9
Nov 17 01:52:57.513 INFO [stderr]    |
Nov 17 01:52:57.513 INFO [stderr] 86 |     for x in 0..number_of_cards {
Nov 17 01:52:57.513 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 01:52:57.513 INFO [stderr]    |
Nov 17 01:52:57.513 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 01:52:57.513 INFO [stderr] 
Nov 17 01:52:57.513 INFO [stderr] warning: value assigned to `num_value` is never read
Nov 17 01:52:57.513 INFO [stderr]   --> src/main.rs:25:21
Nov 17 01:52:57.513 INFO [stderr]    |
Nov 17 01:52:57.513 INFO [stderr] 25 |             let mut num_value: u8 = 0;
Nov 17 01:52:57.513 INFO [stderr]    |                     ^^^^^^^^^
Nov 17 01:52:57.513 INFO [stderr]    |
Nov 17 01:52:57.513 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 01:52:57.513 INFO [stderr] 
Nov 17 01:52:57.531 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:52:57.532 INFO [stderr]    --> src/main.rs:101:51
Nov 17 01:52:57.532 INFO [stderr]     |
Nov 17 01:52:57.532 INFO [stderr] 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Nov 17 01:52:57.533 INFO [stderr]     |                                                   ----^^^^
Nov 17 01:52:57.533 INFO [stderr]     |                                                   |
Nov 17 01:52:57.533 INFO [stderr]     |                                                   help: remove this `mut`
Nov 17 01:52:57.534 INFO [stderr]     |
Nov 17 01:52:57.534 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 01:52:57.534 INFO [stderr] 
Nov 17 01:52:57.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 17 01:52:57.900 INFO [stderr] su: No module specific data is present
Nov 17 01:52:58.441 INFO running `"docker" "inspect" "50f2f9001dfbacb89bc0997da2222a72c061cd2b3073e2830833f0e33704d064"`
Nov 17 01:52:58.684 INFO running `"docker" "rm" "-f" "50f2f9001dfbacb89bc0997da2222a72c061cd2b3073e2830833f0e33704d064"`
Nov 17 01:52:59.055 INFO [stdout] 50f2f9001dfbacb89bc0997da2222a72c061cd2b3073e2830833f0e33704d064
Nov 17 01:52:59.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01:52:59.637 INFO [stdout] 46e37fc8e4feed58fb115245aeac252c705182a565b6e3d40713ce2b738c78a5
Nov 17 01:52:59.641 INFO running `"docker" "start" "-a" "46e37fc8e4feed58fb115245aeac252c705182a565b6e3d40713ce2b738c78a5"`
Nov 17 01:53:00.782 INFO [stderr] usermod: no changes
Nov 17 01:53:00.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 01:53:00.847 INFO [stderr]      Running /target/debug/deps/rust_playground-7337c6f0375519bc
Nov 17 01:53:00.861 INFO [stderr] su: No module specific data is present
Nov 17 01:53:00.861 INFO [stdout] 
Nov 17 01:53:00.861 INFO [stdout] running 0 tests
Nov 17 01:53:00.861 INFO [stdout] 
Nov 17 01:53:00.861 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 01:53:00.861 INFO [stdout] 
Nov 17 01:53:01.465 INFO running `"docker" "inspect" "46e37fc8e4feed58fb115245aeac252c705182a565b6e3d40713ce2b738c78a5"`
Nov 17 01:53:01.712 INFO running `"docker" "rm" "-f" "46e37fc8e4feed58fb115245aeac252c705182a565b6e3d40713ce2b738c78a5"`
Nov 17 01:53:01.970 INFO [stdout] 46e37fc8e4feed58fb115245aeac252c705182a565b6e3d40713ce2b738c78a5