Dec 05 23:14:41.250 INFO testing frostie614/cards against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 23:14:41.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 05 23:14:41.560 INFO [stdout] 44454c0943e7ff578a6e4b3e85fe280b319d933cb0255b574b49646cecd4d55d
Dec 05 23:14:41.565 INFO running `"docker" "start" "-a" "44454c0943e7ff578a6e4b3e85fe280b319d933cb0255b574b49646cecd4d55d"`
Dec 05 23:14:42.150 INFO [stderr] usermod: no changes
Dec 05 23:14:42.196 INFO [stderr]    Compiling cards v0.1.0 (/source)
Dec 05 23:14:42.576 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 05 23:14:42.576 INFO [stderr]   --> src/main.rs:24:12
Dec 05 23:14:42.576 INFO [stderr]    |
Dec 05 23:14:42.576 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:42.576 INFO [stderr]    |            ^^^^^^
Dec 05 23:14:42.576 INFO [stderr]    |
Dec 05 23:14:42.576 INFO [stderr] note: lint level defined here
Dec 05 23:14:42.576 INFO [stderr]   --> src/main.rs:1:9
Dec 05 23:14:42.576 INFO [stderr]    |
Dec 05 23:14:42.576 INFO [stderr] 1  | #![warn(dead_code)]
Dec 05 23:14:42.576 INFO [stderr]    |         ^^^^^^^^^
Dec 05 23:14:42.576 INFO [stderr] 
Dec 05 23:14:42.576 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 05 23:14:42.576 INFO [stderr]   --> src/main.rs:24:20
Dec 05 23:14:42.576 INFO [stderr]    |
Dec 05 23:14:42.576 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:42.577 INFO [stderr]    |                    ^^^^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:24:30
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:42.577 INFO [stderr]    |                              ^^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:24:38
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:42.577 INFO [stderr]    |                                      ^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:10
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |          ^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Two`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:15
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |               ^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Three`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:20
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                    ^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Four`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:27
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                           ^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Five`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:33
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                 ^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Six`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:39
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                       ^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:44
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                            ^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:51
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                                   ^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:58
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                                          ^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:64
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                                                ^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:69
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                                                     ^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:75
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.577 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.577 INFO [stderr]    |                                                                           ^^^^^
Dec 05 23:14:42.577 INFO [stderr] 
Dec 05 23:14:42.577 INFO [stderr] warning: variant is never constructed: `King`
Dec 05 23:14:42.577 INFO [stderr]   --> src/main.rs:27:82
Dec 05 23:14:42.577 INFO [stderr]    |
Dec 05 23:14:42.578 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:42.578 INFO [stderr]    |                                                                                  ^^^^
Dec 05 23:14:42.578 INFO [stderr] 
Dec 05 23:14:42.578 INFO [stderr] warning: method is never used: `new`
Dec 05 23:14:42.578 INFO [stderr]   --> src/main.rs:47:2
Dec 05 23:14:42.578 INFO [stderr]    |
Dec 05 23:14:42.578 INFO [stderr] 47 |     fn new()-> Deck{
Dec 05 23:14:42.578 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 23:14:42.578 INFO [stderr] 
Dec 05 23:14:42.578 INFO [stderr] warning: method is never used: `deal`
Dec 05 23:14:42.578 INFO [stderr]   --> src/main.rs:57:2
Dec 05 23:14:42.578 INFO [stderr]    |
Dec 05 23:14:42.578 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 05 23:14:42.578 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:42.578 INFO [stderr] 
Dec 05 23:14:42.578 INFO [stderr] warning: method is never used: `shuffle`
Dec 05 23:14:42.578 INFO [stderr]   --> src/main.rs:61:2
Dec 05 23:14:42.578 INFO [stderr]    |
Dec 05 23:14:42.578 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 05 23:14:42.578 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:42.578 INFO [stderr] 
Dec 05 23:14:42.578 INFO [stderr] warning: method is never used: `new`
Dec 05 23:14:42.578 INFO [stderr]   --> src/main.rs:68:2
Dec 05 23:14:42.578 INFO [stderr]    |
Dec 05 23:14:42.578 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 05 23:14:42.578 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:42.578 INFO [stderr] 
Dec 05 23:14:42.578 INFO [stderr] warning: method is never used: `value`
Dec 05 23:14:42.578 INFO [stderr]   --> src/main.rs:72:2
Dec 05 23:14:42.578 INFO [stderr]    |
Dec 05 23:14:42.578 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 05 23:14:42.578 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:42.578 INFO [stderr] 
Dec 05 23:14:42.586 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 23:14:42.586 INFO [stderr]   --> src/main.rs:38:13
Dec 05 23:14:42.586 INFO [stderr]    |
Dec 05 23:14:42.586 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 05 23:14:42.586 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:42.586 INFO [stderr]    |
Dec 05 23:14:42.586 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 23:14:42.586 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 23:14:42.586 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 05 23:14:42.586 INFO [stderr] 
Dec 05 23:14:42.751 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 05 23:14:42.754 INFO [stderr] su: No module specific data is present
Dec 05 23:14:43.091 INFO running `"docker" "inspect" "44454c0943e7ff578a6e4b3e85fe280b319d933cb0255b574b49646cecd4d55d"`
Dec 05 23:14:43.186 INFO running `"docker" "rm" "-f" "44454c0943e7ff578a6e4b3e85fe280b319d933cb0255b574b49646cecd4d55d"`
Dec 05 23:14:43.305 INFO [stdout] 44454c0943e7ff578a6e4b3e85fe280b319d933cb0255b574b49646cecd4d55d
Dec 05 23:14:43.310 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 05 23:14:43.532 INFO [stdout] cbf852c0ec2edbc129708fa2191c68548b5ba1727b35f554e1c9075880e5fdda
Dec 05 23:14:43.534 INFO running `"docker" "start" "-a" "cbf852c0ec2edbc129708fa2191c68548b5ba1727b35f554e1c9075880e5fdda"`
Dec 05 23:14:44.156 INFO [stderr] usermod: no changes
Dec 05 23:14:44.200 INFO [stderr]    Compiling cards v0.1.0 (/source)
Dec 05 23:14:44.608 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 05 23:14:44.608 INFO [stderr]   --> src/main.rs:24:12
Dec 05 23:14:44.608 INFO [stderr]    |
Dec 05 23:14:44.608 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:44.609 INFO [stderr]    |            ^^^^^^
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] note: lint level defined here
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:1:9
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 1  | #![warn(dead_code)]
Dec 05 23:14:44.609 INFO [stderr]    |         ^^^^^^^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:24:20
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:44.609 INFO [stderr]    |                    ^^^^^^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:24:30
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:44.609 INFO [stderr]    |                              ^^^^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:24:38
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 05 23:14:44.609 INFO [stderr]    |                                      ^^^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:27:10
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.609 INFO [stderr]    |          ^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Two`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:27:15
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.609 INFO [stderr]    |               ^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Three`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:27:20
Dec 05 23:14:44.609 INFO [stderr]    |
Dec 05 23:14:44.609 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.609 INFO [stderr]    |                    ^^^^^
Dec 05 23:14:44.609 INFO [stderr] 
Dec 05 23:14:44.609 INFO [stderr] warning: variant is never constructed: `Four`
Dec 05 23:14:44.609 INFO [stderr]   --> src/main.rs:27:27
Dec 05 23:14:44.614 INFO [stderr]    |
Dec 05 23:14:44.614 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.614 INFO [stderr]    |                           ^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Five`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:33
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                 ^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Six`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:39
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                       ^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:44
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                            ^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:51
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                                   ^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:58
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                                          ^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:64
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                                                ^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:69
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                                                     ^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:75
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                                                           ^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: variant is never constructed: `King`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:27:82
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 05 23:14:44.615 INFO [stderr]    |                                                                                  ^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: method is never used: `new`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:47:2
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 47 |     fn new()-> Deck{
Dec 05 23:14:44.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: method is never used: `deal`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:57:2
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 05 23:14:44.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: method is never used: `shuffle`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:61:2
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 05 23:14:44.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: method is never used: `new`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:68:2
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 05 23:14:44.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: method is never used: `value`
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:72:2
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 05 23:14:44.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:44.615 INFO [stderr] 
Dec 05 23:14:44.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 23:14:44.615 INFO [stderr]   --> src/main.rs:38:13
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 05 23:14:44.615 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:14:44.615 INFO [stderr]    |
Dec 05 23:14:44.615 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 23:14:44.615 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 23:14:44.616 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 05 23:14:44.616 INFO [stderr] 
Dec 05 23:14:44.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 05 23:14:44.879 INFO [stderr] su: No module specific data is present
Dec 05 23:14:45.247 INFO running `"docker" "inspect" "cbf852c0ec2edbc129708fa2191c68548b5ba1727b35f554e1c9075880e5fdda"`
Dec 05 23:14:45.357 INFO running `"docker" "rm" "-f" "cbf852c0ec2edbc129708fa2191c68548b5ba1727b35f554e1c9075880e5fdda"`
Dec 05 23:14:45.467 INFO [stdout] cbf852c0ec2edbc129708fa2191c68548b5ba1727b35f554e1c9075880e5fdda
Dec 05 23:14:45.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 05 23:14:45.649 INFO [stdout] 9273a49dbc4285ad8936f4565163b3a02d69c932023e504e196a664e3cb8008d
Dec 05 23:14:45.653 INFO running `"docker" "start" "-a" "9273a49dbc4285ad8936f4565163b3a02d69c932023e504e196a664e3cb8008d"`
Dec 05 23:14:46.500 INFO [stderr] usermod: no changes
Dec 05 23:14:46.582 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 05 23:14:46.592 INFO [stderr]      Running /target/debug/deps/cards-0aec124388f0baae
Dec 05 23:14:46.592 INFO [stdout] 
Dec 05 23:14:46.592 INFO [stdout] running 0 tests
Dec 05 23:14:46.592 INFO [stdout] 
Dec 05 23:14:46.592 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 23:14:46.592 INFO [stdout] 
Dec 05 23:14:46.596 INFO [stderr] su: No module specific data is present
Dec 05 23:14:47.112 INFO running `"docker" "inspect" "9273a49dbc4285ad8936f4565163b3a02d69c932023e504e196a664e3cb8008d"`
Dec 05 23:14:47.370 INFO running `"docker" "rm" "-f" "9273a49dbc4285ad8936f4565163b3a02d69c932023e504e196a664e3cb8008d"`
Dec 05 23:14:47.628 INFO [stdout] 9273a49dbc4285ad8936f4565163b3a02d69c932023e504e196a664e3cb8008d