Dec 18 00:04:04.742 INFO checking frostie614/cards against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:04:04.742 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:04:05.088 INFO [stdout] 5457119cd5532568423286e59bb00225302a75473ee9839d927ae131d2277730
Dec 18 00:04:05.092 INFO running `"docker" "start" "-a" "5457119cd5532568423286e59bb00225302a75473ee9839d927ae131d2277730"`
Dec 18 00:04:06.306 INFO [stderr]     Checking cards v0.1.0 (/opt/crater/workdir)
Dec 18 00:04:06.674 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 18 00:04:06.674 INFO [stderr]   --> src/main.rs:24:12
Dec 18 00:04:06.674 INFO [stderr]    |
Dec 18 00:04:06.674 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.674 INFO [stderr]    |            ^^^^^^
Dec 18 00:04:06.674 INFO [stderr]    |
Dec 18 00:04:06.674 INFO [stderr] note: lint level defined here
Dec 18 00:04:06.674 INFO [stderr]   --> src/main.rs:1:9
Dec 18 00:04:06.674 INFO [stderr]    |
Dec 18 00:04:06.674 INFO [stderr] 1  | #![warn(dead_code)]
Dec 18 00:04:06.674 INFO [stderr]    |         ^^^^^^^^^
Dec 18 00:04:06.674 INFO [stderr] 
Dec 18 00:04:06.674 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:24:20
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.675 INFO [stderr]    |                    ^^^^^^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:24:30
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.675 INFO [stderr]    |                              ^^^^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:24:38
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.675 INFO [stderr]    |                                      ^^^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:27:10
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.675 INFO [stderr]    |          ^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Two`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:27:15
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.675 INFO [stderr]    |               ^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Three`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:27:20
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.675 INFO [stderr]    |                    ^^^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Four`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:27:27
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.675 INFO [stderr]    |                           ^^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.675 INFO [stderr] warning: variant is never constructed: `Five`
Dec 18 00:04:06.675 INFO [stderr]   --> src/main.rs:27:33
Dec 18 00:04:06.675 INFO [stderr]    |
Dec 18 00:04:06.675 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.675 INFO [stderr]    |                                 ^^^^
Dec 18 00:04:06.675 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Six`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:39
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                       ^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:44
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                            ^^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:51
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                                   ^^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:58
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                                          ^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:64
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                                                ^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:69
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                                                     ^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:75
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                                                           ^^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: variant is never constructed: `King`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:27:82
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.677 INFO [stderr]    |                                                                                  ^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:47:2
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 47 |     fn new()-> Deck{
Dec 18 00:04:06.677 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.677 INFO [stderr] warning: method is never used: `deal`
Dec 18 00:04:06.677 INFO [stderr]   --> src/main.rs:57:2
Dec 18 00:04:06.677 INFO [stderr]    |
Dec 18 00:04:06.677 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 18 00:04:06.677 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.677 INFO [stderr] 
Dec 18 00:04:06.678 INFO [stderr] warning: method is never used: `shuffle`
Dec 18 00:04:06.678 INFO [stderr]   --> src/main.rs:61:2
Dec 18 00:04:06.678 INFO [stderr]    |
Dec 18 00:04:06.678 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 18 00:04:06.678 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.678 INFO [stderr] 
Dec 18 00:04:06.678 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:06.678 INFO [stderr]   --> src/main.rs:68:2
Dec 18 00:04:06.678 INFO [stderr]    |
Dec 18 00:04:06.678 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 18 00:04:06.678 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.678 INFO [stderr] 
Dec 18 00:04:06.678 INFO [stderr] warning: method is never used: `value`
Dec 18 00:04:06.678 INFO [stderr]   --> src/main.rs:72:2
Dec 18 00:04:06.678 INFO [stderr]    |
Dec 18 00:04:06.678 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 18 00:04:06.678 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.678 INFO [stderr] 
Dec 18 00:04:06.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:04:06.704 INFO [stderr]   --> src/main.rs:38:13
Dec 18 00:04:06.704 INFO [stderr]    |
Dec 18 00:04:06.704 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 18 00:04:06.704 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.704 INFO [stderr]    |
Dec 18 00:04:06.704 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:04:06.704 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:04:06.704 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 00:04:06.704 INFO [stderr] 
Dec 18 00:04:06.750 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 18 00:04:06.750 INFO [stderr]   --> src/main.rs:24:12
Dec 18 00:04:06.750 INFO [stderr]    |
Dec 18 00:04:06.750 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.750 INFO [stderr]    |            ^^^^^^
Dec 18 00:04:06.750 INFO [stderr]    |
Dec 18 00:04:06.750 INFO [stderr] note: lint level defined here
Dec 18 00:04:06.750 INFO [stderr]   --> src/main.rs:1:9
Dec 18 00:04:06.750 INFO [stderr]    |
Dec 18 00:04:06.750 INFO [stderr] 1  | #![warn(dead_code)]
Dec 18 00:04:06.750 INFO [stderr]    |         ^^^^^^^^^
Dec 18 00:04:06.750 INFO [stderr] 
Dec 18 00:04:06.750 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 18 00:04:06.750 INFO [stderr]   --> src/main.rs:24:20
Dec 18 00:04:06.750 INFO [stderr]    |
Dec 18 00:04:06.750 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.750 INFO [stderr]    |                    ^^^^^^^^
Dec 18 00:04:06.750 INFO [stderr] 
Dec 18 00:04:06.750 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 18 00:04:06.750 INFO [stderr]   --> src/main.rs:24:30
Dec 18 00:04:06.750 INFO [stderr]    |
Dec 18 00:04:06.750 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.750 INFO [stderr]    |                              ^^^^^^
Dec 18 00:04:06.750 INFO [stderr] 
Dec 18 00:04:06.750 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 18 00:04:06.750 INFO [stderr]   --> src/main.rs:24:38
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 18 00:04:06.753 INFO [stderr]    |                                      ^^^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:10
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.753 INFO [stderr]    |          ^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Two`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:15
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.753 INFO [stderr]    |               ^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Three`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:20
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.753 INFO [stderr]    |                    ^^^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Four`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:27
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.753 INFO [stderr]    |                           ^^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Five`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:33
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.753 INFO [stderr]    |                                 ^^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Six`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:39
Dec 18 00:04:06.753 INFO [stderr]    |
Dec 18 00:04:06.753 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.753 INFO [stderr]    |                                       ^^^
Dec 18 00:04:06.753 INFO [stderr] 
Dec 18 00:04:06.753 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 18 00:04:06.753 INFO [stderr]   --> src/main.rs:27:44
Dec 18 00:04:06.754 INFO [stderr]    |
Dec 18 00:04:06.754 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.754 INFO [stderr]    |                                            ^^^^^
Dec 18 00:04:06.754 INFO [stderr] 
Dec 18 00:04:06.754 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 18 00:04:06.754 INFO [stderr]   --> src/main.rs:27:51
Dec 18 00:04:06.754 INFO [stderr]    |
Dec 18 00:04:06.754 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.754 INFO [stderr]    |                                                   ^^^^^
Dec 18 00:04:06.754 INFO [stderr] 
Dec 18 00:04:06.754 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 18 00:04:06.754 INFO [stderr]   --> src/main.rs:27:58
Dec 18 00:04:06.754 INFO [stderr]    |
Dec 18 00:04:06.754 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.754 INFO [stderr]    |                                                          ^^^^
Dec 18 00:04:06.754 INFO [stderr] 
Dec 18 00:04:06.754 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 18 00:04:06.754 INFO [stderr]   --> src/main.rs:27:64
Dec 18 00:04:06.754 INFO [stderr]    |
Dec 18 00:04:06.754 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.754 INFO [stderr]    |                                                                ^^^
Dec 18 00:04:06.754 INFO [stderr] 
Dec 18 00:04:06.754 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 18 00:04:06.756 INFO [stderr]   --> src/main.rs:27:69
Dec 18 00:04:06.756 INFO [stderr]    |
Dec 18 00:04:06.756 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.756 INFO [stderr]    |                                                                     ^^^^
Dec 18 00:04:06.756 INFO [stderr] 
Dec 18 00:04:06.756 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 18 00:04:06.756 INFO [stderr]   --> src/main.rs:27:75
Dec 18 00:04:06.756 INFO [stderr]    |
Dec 18 00:04:06.756 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.756 INFO [stderr]    |                                                                           ^^^^^
Dec 18 00:04:06.756 INFO [stderr] 
Dec 18 00:04:06.756 INFO [stderr] warning: variant is never constructed: `King`
Dec 18 00:04:06.756 INFO [stderr]   --> src/main.rs:27:82
Dec 18 00:04:06.756 INFO [stderr]    |
Dec 18 00:04:06.756 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 18 00:04:06.756 INFO [stderr]    |                                                                                  ^^^^
Dec 18 00:04:06.756 INFO [stderr] 
Dec 18 00:04:06.756 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:06.756 INFO [stderr]   --> src/main.rs:47:2
Dec 18 00:04:06.756 INFO [stderr]    |
Dec 18 00:04:06.756 INFO [stderr] 47 |     fn new()-> Deck{
Dec 18 00:04:06.756 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 00:04:06.756 INFO [stderr] 
Dec 18 00:04:06.756 INFO [stderr] warning: method is never used: `deal`
Dec 18 00:04:06.756 INFO [stderr]   --> src/main.rs:57:2
Dec 18 00:04:06.756 INFO [stderr]    |
Dec 18 00:04:06.756 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 18 00:04:06.756 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.756 INFO [stderr] 
Dec 18 00:04:06.757 INFO [stderr] warning: method is never used: `shuffle`
Dec 18 00:04:06.757 INFO [stderr]   --> src/main.rs:61:2
Dec 18 00:04:06.757 INFO [stderr]    |
Dec 18 00:04:06.757 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 18 00:04:06.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.757 INFO [stderr] 
Dec 18 00:04:06.757 INFO [stderr] warning: method is never used: `new`
Dec 18 00:04:06.757 INFO [stderr]   --> src/main.rs:68:2
Dec 18 00:04:06.757 INFO [stderr]    |
Dec 18 00:04:06.757 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 18 00:04:06.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.757 INFO [stderr] 
Dec 18 00:04:06.757 INFO [stderr] warning: method is never used: `value`
Dec 18 00:04:06.757 INFO [stderr]   --> src/main.rs:72:2
Dec 18 00:04:06.757 INFO [stderr]    |
Dec 18 00:04:06.757 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 18 00:04:06.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.757 INFO [stderr] 
Dec 18 00:04:06.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:04:06.757 INFO [stderr]   --> src/main.rs:38:13
Dec 18 00:04:06.757 INFO [stderr]    |
Dec 18 00:04:06.757 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 18 00:04:06.757 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:04:06.757 INFO [stderr]    |
Dec 18 00:04:06.757 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:04:06.757 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:04:06.757 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 00:04:06.757 INFO [stderr] 
Dec 18 00:04:06.793 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 18 00:04:07.434 INFO running `"docker" "inspect" "5457119cd5532568423286e59bb00225302a75473ee9839d927ae131d2277730"`
Dec 18 00:04:07.646 INFO running `"docker" "rm" "-f" "5457119cd5532568423286e59bb00225302a75473ee9839d927ae131d2277730"`
Dec 18 00:04:07.856 INFO [stdout] 5457119cd5532568423286e59bb00225302a75473ee9839d927ae131d2277730