Oct 12 21:01:09.753 INFO checking gregorholzmann/rust-playground against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:01:09.754 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 21:01:10.160 INFO blam! 01619bd4e60995acfbcb9df379bdf5224b578eb5ec505c15cf50d378070a7d33
Oct 12 21:01:10.165 INFO running `"docker" "start" "-a" "01619bd4e60995acfbcb9df379bdf5224b578eb5ec505c15cf50d378070a7d33"`
Oct 12 21:01:11.364 INFO kablam! usermod: no changes
Oct 12 21:01:11.424 INFO kablam!     Checking rust-playground v0.1.0 (/source)
Oct 12 21:01:12.044 INFO kablam! warning: unused variable: `x`
Oct 12 21:01:12.044 INFO kablam!   --> src/main.rs:86:9
Oct 12 21:01:12.044 INFO kablam!    |
Oct 12 21:01:12.044 INFO kablam! 86 |     for x in 0..number_of_cards {
Oct 12 21:01:12.044 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 21:01:12.044 INFO kablam!    |
Oct 12 21:01:12.044 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:01:12.044 INFO kablam! 
Oct 12 21:01:12.044 INFO kablam! warning: value assigned to `num_value` is never read
Oct 12 21:01:12.044 INFO kablam!   --> src/main.rs:25:21
Oct 12 21:01:12.044 INFO kablam!    |
Oct 12 21:01:12.044 INFO kablam! 25 |             let mut num_value: u8 = 0;
Oct 12 21:01:12.044 INFO kablam!    |                     ^^^^^^^^^
Oct 12 21:01:12.044 INFO kablam!    |
Oct 12 21:01:12.044 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 21:01:12.044 INFO kablam! 
Oct 12 21:01:12.056 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:01:12.056 INFO kablam!    --> src/main.rs:101:51
Oct 12 21:01:12.056 INFO kablam!     |
Oct 12 21:01:12.056 INFO kablam! 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Oct 12 21:01:12.056 INFO kablam!     |                                                   ----^^^^
Oct 12 21:01:12.056 INFO kablam!     |                                                   |
Oct 12 21:01:12.056 INFO kablam!     |                                                   help: remove this `mut`
Oct 12 21:01:12.056 INFO kablam!     |
Oct 12 21:01:12.056 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:01:12.056 INFO kablam! 
Oct 12 21:01:12.224 INFO kablam! warning: unused variable: `x`
Oct 12 21:01:12.224 INFO kablam!   --> src/main.rs:86:9
Oct 12 21:01:12.224 INFO kablam!    |
Oct 12 21:01:12.224 INFO kablam! 86 |     for x in 0..number_of_cards {
Oct 12 21:01:12.224 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 21:01:12.224 INFO kablam!    |
Oct 12 21:01:12.224 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:01:12.224 INFO kablam! 
Oct 12 21:01:12.224 INFO kablam! warning: value assigned to `num_value` is never read
Oct 12 21:01:12.224 INFO kablam!   --> src/main.rs:25:21
Oct 12 21:01:12.224 INFO kablam!    |
Oct 12 21:01:12.224 INFO kablam! 25 |             let mut num_value: u8 = 0;
Oct 12 21:01:12.224 INFO kablam!    |                     ^^^^^^^^^
Oct 12 21:01:12.224 INFO kablam!    |
Oct 12 21:01:12.224 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 21:01:12.224 INFO kablam! 
Oct 12 21:01:12.236 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:01:12.236 INFO kablam!    --> src/main.rs:101:51
Oct 12 21:01:12.236 INFO kablam!     |
Oct 12 21:01:12.236 INFO kablam! 101 | fn end_game(player_hand: Hand, dealer_hand: Hand, mut deck: &mut Vec<Card>) {
Oct 12 21:01:12.236 INFO kablam!     |                                                   ----^^^^
Oct 12 21:01:12.236 INFO kablam!     |                                                   |
Oct 12 21:01:12.236 INFO kablam!     |                                                   help: remove this `mut`
Oct 12 21:01:12.236 INFO kablam!     |
Oct 12 21:01:12.236 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:01:12.236 INFO kablam! 
Oct 12 21:01:12.260 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Oct 12 21:01:12.264 INFO kablam! su: No module specific data is present
Oct 12 21:01:13.228 INFO running `"docker" "rm" "-f" "01619bd4e60995acfbcb9df379bdf5224b578eb5ec505c15cf50d378070a7d33"`
Oct 12 21:01:13.444 INFO blam! 01619bd4e60995acfbcb9df379bdf5224b578eb5ec505c15cf50d378070a7d33