Nov 30 02:20:19.254 INFO checking gregorholzmann/rust-playground against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 02:20:19.255 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 02:20:19.731 INFO [stdout] d01ca6858a89463820f1824e487e17ad7092201ff1e06bc2e5bd2afd3211b5ad
Nov 30 02:20:19.738 INFO running `"docker" "start" "-a" "d01ca6858a89463820f1824e487e17ad7092201ff1e06bc2e5bd2afd3211b5ad"`
Nov 30 02:20:20.879 INFO [stderr] usermod: no changes
Nov 30 02:20:20.929 INFO [stderr]     Checking rust-playground v0.1.0 (/source)
Nov 30 02:20:21.540 INFO [stderr] warning: unused variable: `x`
Nov 30 02:20:21.540 INFO [stderr]   --> src/main.rs:86:9
Nov 30 02:20:21.540 INFO [stderr]    |
Nov 30 02:20:21.540 INFO [stderr] 86 |     for x in 0..number_of_cards {
Nov 30 02:20:21.540 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:20:21.540 INFO [stderr]    |
Nov 30 02:20:21.540 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:20:21.540 INFO [stderr] 
Nov 30 02:20:21.540 INFO [stderr] warning: value assigned to `num_value` is never read
Nov 30 02:20:21.540 INFO [stderr]   --> src/main.rs:25:21
Nov 30 02:20:21.540 INFO [stderr]    |
Nov 30 02:20:21.540 INFO [stderr] 25 |             let mut num_value: u8 = 0;
Nov 30 02:20:21.540 INFO [stderr]    |                     ^^^^^^^^^
Nov 30 02:20:21.540 INFO [stderr]    |
Nov 30 02:20:21.540 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 02:20:21.540 INFO [stderr] 
Nov 30 02:20:21.560 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:20:21.560 INFO [stderr]    --> src/main.rs:101:51
Nov 30 02:20:21.560 INFO [stderr]     |
Nov 30 02:20:21.560 INFO [stderr] 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Nov 30 02:20:21.560 INFO [stderr]     |                                                   ----^^^^
Nov 30 02:20:21.560 INFO [stderr]     |                                                   |
Nov 30 02:20:21.560 INFO [stderr]     |                                                   help: remove this `mut`
Nov 30 02:20:21.560 INFO [stderr]     |
Nov 30 02:20:21.560 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 02:20:21.560 INFO [stderr] 
Nov 30 02:20:21.948 INFO [stderr] warning: unused variable: `x`
Nov 30 02:20:21.948 INFO [stderr]   --> src/main.rs:86:9
Nov 30 02:20:21.948 INFO [stderr]    |
Nov 30 02:20:21.948 INFO [stderr] 86 |     for x in 0..number_of_cards {
Nov 30 02:20:21.948 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:20:21.948 INFO [stderr]    |
Nov 30 02:20:21.948 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:20:21.948 INFO [stderr] 
Nov 30 02:20:21.948 INFO [stderr] warning: value assigned to `num_value` is never read
Nov 30 02:20:21.948 INFO [stderr]   --> src/main.rs:25:21
Nov 30 02:20:21.948 INFO [stderr]    |
Nov 30 02:20:21.948 INFO [stderr] 25 |             let mut num_value: u8 = 0;
Nov 30 02:20:21.948 INFO [stderr]    |                     ^^^^^^^^^
Nov 30 02:20:21.948 INFO [stderr]    |
Nov 30 02:20:21.948 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 02:20:21.948 INFO [stderr] 
Nov 30 02:20:21.964 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:20:21.964 INFO [stderr]    --> src/main.rs:101:51
Nov 30 02:20:21.964 INFO [stderr]     |
Nov 30 02:20:21.964 INFO [stderr] 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Nov 30 02:20:21.964 INFO [stderr]     |                                                   ----^^^^
Nov 30 02:20:21.964 INFO [stderr]     |                                                   |
Nov 30 02:20:21.964 INFO [stderr]     |                                                   help: remove this `mut`
Nov 30 02:20:21.964 INFO [stderr]     |
Nov 30 02:20:21.964 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 02:20:21.964 INFO [stderr] 
Nov 30 02:20:21.997 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Nov 30 02:20:22.000 INFO [stderr] su: No module specific data is present
Nov 30 02:20:22.685 INFO running `"docker" "inspect" "d01ca6858a89463820f1824e487e17ad7092201ff1e06bc2e5bd2afd3211b5ad"`
Nov 30 02:20:23.020 INFO running `"docker" "rm" "-f" "d01ca6858a89463820f1824e487e17ad7092201ff1e06bc2e5bd2afd3211b5ad"`
Nov 30 02:20:23.329 INFO [stdout] d01ca6858a89463820f1824e487e17ad7092201ff1e06bc2e5bd2afd3211b5ad