Dec 11 17:49:13.207 INFO checking gregorholzmann/rust-playground against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 17:49:13.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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 11 17:49:13.666 INFO [stdout] 2232a385ece4612c1e7c1856a373411d0560fb5cde48b52eafaaaf7666ca8a57
Dec 11 17:49:13.676 INFO running `"docker" "start" "-a" "2232a385ece4612c1e7c1856a373411d0560fb5cde48b52eafaaaf7666ca8a57"`
Dec 11 17:49:14.964 INFO [stderr] usermod: no changes
Dec 11 17:49:15.016 INFO [stderr]     Checking rust-playground v0.1.0 (/source)
Dec 11 17:49:15.460 INFO [stderr] warning: unused variable: `x`
Dec 11 17:49:15.460 INFO [stderr]   --> src/main.rs:86:9
Dec 11 17:49:15.460 INFO [stderr]    |
Dec 11 17:49:15.460 INFO [stderr] 86 |     for x in 0..number_of_cards {
Dec 11 17:49:15.460 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 11 17:49:15.460 INFO [stderr]    |
Dec 11 17:49:15.460 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:49:15.460 INFO [stderr] 
Dec 11 17:49:15.460 INFO [stderr] warning: value assigned to `num_value` is never read
Dec 11 17:49:15.460 INFO [stderr]   --> src/main.rs:25:21
Dec 11 17:49:15.460 INFO [stderr]    |
Dec 11 17:49:15.460 INFO [stderr] 25 |             let mut num_value: u8 = 0;
Dec 11 17:49:15.460 INFO [stderr]    |                     ^^^^^^^^^
Dec 11 17:49:15.460 INFO [stderr]    |
Dec 11 17:49:15.460 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 17:49:15.460 INFO [stderr] 
Dec 11 17:49:15.484 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:49:15.484 INFO [stderr]    --> src/main.rs:101:51
Dec 11 17:49:15.484 INFO [stderr]     |
Dec 11 17:49:15.484 INFO [stderr] 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Dec 11 17:49:15.484 INFO [stderr]     |                                                   ----^^^^
Dec 11 17:49:15.484 INFO [stderr]     |                                                   |
Dec 11 17:49:15.484 INFO [stderr]     |                                                   help: remove this `mut`
Dec 11 17:49:15.484 INFO [stderr]     |
Dec 11 17:49:15.484 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 17:49:15.484 INFO [stderr] 
Dec 11 17:49:15.628 INFO [stderr] warning: unused variable: `x`
Dec 11 17:49:15.628 INFO [stderr]   --> src/main.rs:86:9
Dec 11 17:49:15.628 INFO [stderr]    |
Dec 11 17:49:15.628 INFO [stderr] 86 |     for x in 0..number_of_cards {
Dec 11 17:49:15.628 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 11 17:49:15.628 INFO [stderr]    |
Dec 11 17:49:15.628 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:49:15.628 INFO [stderr] 
Dec 11 17:49:15.628 INFO [stderr] warning: value assigned to `num_value` is never read
Dec 11 17:49:15.628 INFO [stderr]   --> src/main.rs:25:21
Dec 11 17:49:15.628 INFO [stderr]    |
Dec 11 17:49:15.628 INFO [stderr] 25 |             let mut num_value: u8 = 0;
Dec 11 17:49:15.628 INFO [stderr]    |                     ^^^^^^^^^
Dec 11 17:49:15.628 INFO [stderr]    |
Dec 11 17:49:15.628 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 17:49:15.628 INFO [stderr] 
Dec 11 17:49:15.648 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:49:15.648 INFO [stderr]    --> src/main.rs:101:51
Dec 11 17:49:15.648 INFO [stderr]     |
Dec 11 17:49:15.648 INFO [stderr] 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Dec 11 17:49:15.648 INFO [stderr]     |                                                   ----^^^^
Dec 11 17:49:15.648 INFO [stderr]     |                                                   |
Dec 11 17:49:15.648 INFO [stderr]     |                                                   help: remove this `mut`
Dec 11 17:49:15.648 INFO [stderr]     |
Dec 11 17:49:15.648 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 17:49:15.648 INFO [stderr] 
Dec 11 17:49:15.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 11 17:49:15.680 INFO [stderr] su: No module specific data is present
Dec 11 17:49:16.891 INFO running `"docker" "inspect" "2232a385ece4612c1e7c1856a373411d0560fb5cde48b52eafaaaf7666ca8a57"`
Dec 11 17:49:17.291 INFO running `"docker" "rm" "-f" "2232a385ece4612c1e7c1856a373411d0560fb5cde48b52eafaaaf7666ca8a57"`
Dec 11 17:49:17.784 INFO [stdout] 2232a385ece4612c1e7c1856a373411d0560fb5cde48b52eafaaaf7666ca8a57