Dec 18 00:04:04.768 INFO checking frostie614/cards against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:04:04.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/frostie614/cards:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:04:05.152 INFO [stdout] 30bd0214babad4edc5fda1fd5e39b8399acce8dd2f71f205591a358dc4864f52
Dec 18 00:04:05.158 INFO running `"docker" "start" "-a" "30bd0214babad4edc5fda1fd5e39b8399acce8dd2f71f205591a358dc4864f52"`
Dec 18 00:04:06.805 INFO [stderr]     Checking cards v0.1.0 (/opt/crater/workdir)
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:24:12
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.245 INFO [stderr]    |            ^^^^^^
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] note: lint level defined here
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:1:9
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 1  | #![warn(dead_code)]
Dec 18 00:04:07.245 INFO [stderr]    |         ^^^^^^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:24:20
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.245 INFO [stderr]    |                    ^^^^^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:24:30
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.245 INFO [stderr]    |                              ^^^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:24:38
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.245 INFO [stderr]    |                                      ^^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:10
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |          ^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Two`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:15
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |               ^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Three`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:20
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |                    ^^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Four`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:27
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |                           ^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Five`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:33
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |                                 ^^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Six`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:39
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |                                       ^^^
Dec 18 00:04:07.245 INFO [stderr] 
Dec 18 00:04:07.245 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 18 00:04:07.245 INFO [stderr]   --> src/main.rs:27:44
Dec 18 00:04:07.245 INFO [stderr]    |
Dec 18 00:04:07.245 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.245 INFO [stderr]    |                                            ^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:27:51
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.246 INFO [stderr]    |                                                   ^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:27:58
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.246 INFO [stderr]    |                                                          ^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:27:64
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.246 INFO [stderr]    |                                                                ^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:27:69
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.246 INFO [stderr]    |                                                                     ^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:27:75
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.246 INFO [stderr]    |                                                                           ^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: variant is never constructed: `King`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:27:82
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.246 INFO [stderr]    |                                                                                  ^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:47:2
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 47 |     fn new()-> Deck{
Dec 18 00:04:07.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: method is never used: `deal`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:57:2
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 18 00:04:07.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: method is never used: `shuffle`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:61:2
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 18 00:04:07.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:68:2
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 18 00:04:07.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.246 INFO [stderr] warning: method is never used: `value`
Dec 18 00:04:07.246 INFO [stderr]   --> src/main.rs:72:2
Dec 18 00:04:07.246 INFO [stderr]    |
Dec 18 00:04:07.246 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 18 00:04:07.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.246 INFO [stderr] 
Dec 18 00:04:07.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:04:07.264 INFO [stderr]   --> src/main.rs:38:13
Dec 18 00:04:07.264 INFO [stderr]    |
Dec 18 00:04:07.264 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 18 00:04:07.264 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.264 INFO [stderr]    |
Dec 18 00:04:07.264 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:04:07.264 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:04:07.264 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 00:04:07.264 INFO [stderr] 
Dec 18 00:04:07.312 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 18 00:04:07.312 INFO [stderr]   --> src/main.rs:24:12
Dec 18 00:04:07.312 INFO [stderr]    |
Dec 18 00:04:07.312 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.312 INFO [stderr]    |            ^^^^^^
Dec 18 00:04:07.312 INFO [stderr]    |
Dec 18 00:04:07.312 INFO [stderr] note: lint level defined here
Dec 18 00:04:07.312 INFO [stderr]   --> src/main.rs:1:9
Dec 18 00:04:07.312 INFO [stderr]    |
Dec 18 00:04:07.312 INFO [stderr] 1  | #![warn(dead_code)]
Dec 18 00:04:07.312 INFO [stderr]    |         ^^^^^^^^^
Dec 18 00:04:07.312 INFO [stderr] 
Dec 18 00:04:07.312 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 18 00:04:07.312 INFO [stderr]   --> src/main.rs:24:20
Dec 18 00:04:07.312 INFO [stderr]    |
Dec 18 00:04:07.312 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.312 INFO [stderr]    |                    ^^^^^^^^
Dec 18 00:04:07.312 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:24:30
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.313 INFO [stderr]    |                              ^^^^^^
Dec 18 00:04:07.313 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:24:38
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:07.313 INFO [stderr]    |                                      ^^^^^
Dec 18 00:04:07.313 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:27:10
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.313 INFO [stderr]    |          ^^^
Dec 18 00:04:07.313 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Two`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:27:15
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.313 INFO [stderr]    |               ^^^
Dec 18 00:04:07.313 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Three`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:27:20
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.313 INFO [stderr]    |                    ^^^^^
Dec 18 00:04:07.313 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Four`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:27:27
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.313 INFO [stderr]    |                           ^^^^
Dec 18 00:04:07.313 INFO [stderr] 
Dec 18 00:04:07.313 INFO [stderr] warning: variant is never constructed: `Five`
Dec 18 00:04:07.313 INFO [stderr]   --> src/main.rs:27:33
Dec 18 00:04:07.313 INFO [stderr]    |
Dec 18 00:04:07.313 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.313 INFO [stderr]    |                                 ^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Six`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:39
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                       ^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:44
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                            ^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:51
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                                   ^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:58
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                                          ^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:64
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                                                ^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:69
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                                                     ^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:75
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                                                           ^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: variant is never constructed: `King`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:27:82
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:07.314 INFO [stderr]    |                                                                                  ^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:47:2
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 47 |     fn new()-> Deck{
Dec 18 00:04:07.314 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: method is never used: `deal`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:57:2
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 18 00:04:07.314 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: method is never used: `shuffle`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:61:2
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 18 00:04:07.314 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:68:2
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 18 00:04:07.314 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.314 INFO [stderr] 
Dec 18 00:04:07.314 INFO [stderr] warning: method is never used: `value`
Dec 18 00:04:07.314 INFO [stderr]   --> src/main.rs:72:2
Dec 18 00:04:07.314 INFO [stderr]    |
Dec 18 00:04:07.314 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 18 00:04:07.315 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.315 INFO [stderr] 
Dec 18 00:04:07.332 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:04:07.332 INFO [stderr]   --> src/main.rs:38:13
Dec 18 00:04:07.332 INFO [stderr]    |
Dec 18 00:04:07.332 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 18 00:04:07.332 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:07.332 INFO [stderr]    |
Dec 18 00:04:07.332 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:04:07.332 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:04:07.332 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 00:04:07.332 INFO [stderr] 
Dec 18 00:04:07.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 18 00:04:07.826 INFO running `"docker" "inspect" "30bd0214babad4edc5fda1fd5e39b8399acce8dd2f71f205591a358dc4864f52"`
Dec 18 00:04:08.064 INFO running `"docker" "rm" "-f" "30bd0214babad4edc5fda1fd5e39b8399acce8dd2f71f205591a358dc4864f52"`
Dec 18 00:04:08.379 INFO [stdout] 30bd0214babad4edc5fda1fd5e39b8399acce8dd2f71f205591a358dc4864f52