Dec 13 18:59:52.800 INFO testing frostie614/cards against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 18:59:52.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 18:59:52.973 INFO [stdout] b4050291064f0d7658020f1cdb59f8b04650b0384d7ca00def6043923a246ac2
Dec 13 18:59:52.975 INFO running `"docker" "start" "-a" "b4050291064f0d7658020f1cdb59f8b04650b0384d7ca00def6043923a246ac2"`
Dec 13 18:59:53.711 INFO [stderr] usermod: no changes
Dec 13 18:59:53.714 INFO [stderr]    Compiling cards v0.1.0 (/source)
Dec 13 18:59:54.131 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 13 18:59:54.131 INFO [stderr]   --> src/main.rs:24:12
Dec 13 18:59:54.131 INFO [stderr]    |
Dec 13 18:59:54.131 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:54.131 INFO [stderr]    |            ^^^^^^
Dec 13 18:59:54.131 INFO [stderr]    |
Dec 13 18:59:54.131 INFO [stderr] note: lint level defined here
Dec 13 18:59:54.131 INFO [stderr]   --> src/main.rs:1:9
Dec 13 18:59:54.131 INFO [stderr]    |
Dec 13 18:59:54.131 INFO [stderr] 1  | #![warn(dead_code)]
Dec 13 18:59:54.131 INFO [stderr]    |         ^^^^^^^^^
Dec 13 18:59:54.131 INFO [stderr] 
Dec 13 18:59:54.131 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 13 18:59:54.131 INFO [stderr]   --> src/main.rs:24:20
Dec 13 18:59:54.131 INFO [stderr]    |
Dec 13 18:59:54.131 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:54.131 INFO [stderr]    |                    ^^^^^^^^
Dec 13 18:59:54.131 INFO [stderr] 
Dec 13 18:59:54.131 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 13 18:59:54.131 INFO [stderr]   --> src/main.rs:24:30
Dec 13 18:59:54.131 INFO [stderr]    |
Dec 13 18:59:54.131 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:54.132 INFO [stderr]    |                              ^^^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:24:38
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:54.132 INFO [stderr]    |                                      ^^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:10
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |          ^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Two`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:15
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |               ^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Three`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:20
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                    ^^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Four`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:27
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                           ^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Five`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:33
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                 ^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Six`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:39
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                       ^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:44
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                            ^^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:51
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                                   ^^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:58
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                                          ^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:64
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                                                ^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:69
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                                                     ^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:75
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                                                           ^^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: variant is never constructed: `King`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:27:82
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:54.132 INFO [stderr]    |                                                                                  ^^^^
Dec 13 18:59:54.132 INFO [stderr] 
Dec 13 18:59:54.132 INFO [stderr] warning: method is never used: `new`
Dec 13 18:59:54.132 INFO [stderr]   --> src/main.rs:47:2
Dec 13 18:59:54.132 INFO [stderr]    |
Dec 13 18:59:54.132 INFO [stderr] 47 |     fn new()-> Deck{
Dec 13 18:59:54.133 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 18:59:54.133 INFO [stderr] 
Dec 13 18:59:54.133 INFO [stderr] warning: method is never used: `deal`
Dec 13 18:59:54.133 INFO [stderr]   --> src/main.rs:57:2
Dec 13 18:59:54.133 INFO [stderr]    |
Dec 13 18:59:54.133 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 13 18:59:54.133 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:54.133 INFO [stderr] 
Dec 13 18:59:54.133 INFO [stderr] warning: method is never used: `shuffle`
Dec 13 18:59:54.133 INFO [stderr]   --> src/main.rs:61:2
Dec 13 18:59:54.133 INFO [stderr]    |
Dec 13 18:59:54.133 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 13 18:59:54.133 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:54.133 INFO [stderr] 
Dec 13 18:59:54.133 INFO [stderr] warning: method is never used: `new`
Dec 13 18:59:54.133 INFO [stderr]   --> src/main.rs:68:2
Dec 13 18:59:54.133 INFO [stderr]    |
Dec 13 18:59:54.133 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 13 18:59:54.133 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:54.133 INFO [stderr] 
Dec 13 18:59:54.133 INFO [stderr] warning: method is never used: `value`
Dec 13 18:59:54.133 INFO [stderr]   --> src/main.rs:72:2
Dec 13 18:59:54.133 INFO [stderr]    |
Dec 13 18:59:54.133 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 13 18:59:54.133 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:54.133 INFO [stderr] 
Dec 13 18:59:54.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 18:59:54.139 INFO [stderr]   --> src/main.rs:38:13
Dec 13 18:59:54.139 INFO [stderr]    |
Dec 13 18:59:54.139 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 13 18:59:54.139 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:54.139 INFO [stderr]    |
Dec 13 18:59:54.139 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 18:59:54.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 18:59:54.139 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 13 18:59:54.139 INFO [stderr] 
Dec 13 18:59:54.354 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 13 18:59:54.359 INFO [stderr] su: No module specific data is present
Dec 13 18:59:54.644 INFO running `"docker" "inspect" "b4050291064f0d7658020f1cdb59f8b04650b0384d7ca00def6043923a246ac2"`
Dec 13 18:59:54.746 INFO running `"docker" "rm" "-f" "b4050291064f0d7658020f1cdb59f8b04650b0384d7ca00def6043923a246ac2"`
Dec 13 18:59:54.826 INFO [stdout] b4050291064f0d7658020f1cdb59f8b04650b0384d7ca00def6043923a246ac2
Dec 13 18:59:54.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 18:59:55.023 INFO [stdout] f2e83aa78667a3eaf011cd31c538e1fe6c8f76adb22123a024db2df8af8df6dd
Dec 13 18:59:55.030 INFO running `"docker" "start" "-a" "f2e83aa78667a3eaf011cd31c538e1fe6c8f76adb22123a024db2df8af8df6dd"`
Dec 13 18:59:55.435 INFO [stderr] usermod: no changes
Dec 13 18:59:55.469 INFO [stderr]    Compiling cards v0.1.0 (/source)
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Hearts`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:24:12
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:55.815 INFO [stderr]    |            ^^^^^^
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] note: lint level defined here
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:1:9
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 1  | #![warn(dead_code)]
Dec 13 18:59:55.815 INFO [stderr]    |         ^^^^^^^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Diamonds`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:24:20
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:55.815 INFO [stderr]    |                    ^^^^^^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Spades`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:24:30
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:55.815 INFO [stderr]    |                              ^^^^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Clubs`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:24:38
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 24 | enum Suit {Hearts, Diamonds, Spades, Clubs}
Dec 13 18:59:55.815 INFO [stderr]    |                                      ^^^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Ace`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:27:10
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.815 INFO [stderr]    |          ^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Two`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:27:15
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.815 INFO [stderr]    |               ^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Three`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:27:20
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.815 INFO [stderr]    |                    ^^^^^
Dec 13 18:59:55.815 INFO [stderr] 
Dec 13 18:59:55.815 INFO [stderr] warning: variant is never constructed: `Four`
Dec 13 18:59:55.815 INFO [stderr]   --> src/main.rs:27:27
Dec 13 18:59:55.815 INFO [stderr]    |
Dec 13 18:59:55.815 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                           ^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Five`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:33
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                 ^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Six`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:39
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                       ^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Seven`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:44
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                            ^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Eight`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:51
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                                   ^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Nine`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:58
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                                          ^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Ten`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:64
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                                                ^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Jack`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:69
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                                                     ^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `Queen`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:75
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                                                           ^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: variant is never constructed: `King`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:27:82
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 27 | enum Pip{Ace, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King}
Dec 13 18:59:55.816 INFO [stderr]    |                                                                                  ^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: method is never used: `new`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:47:2
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 47 |     fn new()-> Deck{
Dec 13 18:59:55.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: method is never used: `deal`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:57:2
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 57 |     fn deal(&mut self) -> Option<Card>{
Dec 13 18:59:55.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: method is never used: `shuffle`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:61:2
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 61 |     fn shuffle(&mut self){
Dec 13 18:59:55.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: method is never used: `new`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:68:2
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 68 |     fn new(suit:Suit, pip:Pip) -> Card{
Dec 13 18:59:55.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.816 INFO [stderr] warning: method is never used: `value`
Dec 13 18:59:55.816 INFO [stderr]   --> src/main.rs:72:2
Dec 13 18:59:55.816 INFO [stderr]    |
Dec 13 18:59:55.816 INFO [stderr] 72 |     fn value(&self) -> u8 {
Dec 13 18:59:55.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:55.816 INFO [stderr] 
Dec 13 18:59:55.862 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 18:59:55.862 INFO [stderr]   --> src/main.rs:38:13
Dec 13 18:59:55.862 INFO [stderr]    |
Dec 13 18:59:55.862 INFO [stderr] 38 |             writeln!(f, "{}", card);
Dec 13 18:59:55.862 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 18:59:55.863 INFO [stderr]    |
Dec 13 18:59:55.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 18:59:55.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 18:59:55.863 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 13 18:59:55.863 INFO [stderr] 
Dec 13 18:59:56.041 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 13 18:59:56.044 INFO [stderr] su: No module specific data is present
Dec 13 18:59:56.359 INFO running `"docker" "inspect" "f2e83aa78667a3eaf011cd31c538e1fe6c8f76adb22123a024db2df8af8df6dd"`
Dec 13 18:59:56.494 INFO running `"docker" "rm" "-f" "f2e83aa78667a3eaf011cd31c538e1fe6c8f76adb22123a024db2df8af8df6dd"`
Dec 13 18:59:56.596 INFO [stdout] f2e83aa78667a3eaf011cd31c538e1fe6c8f76adb22123a024db2df8af8df6dd
Dec 13 18:59:56.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 18:59:56.859 INFO [stdout] 62aec36a59debe7fe5caebf4bc41842f3b8ff2455e10766f491df054f8d64b85
Dec 13 18:59:56.861 INFO running `"docker" "start" "-a" "62aec36a59debe7fe5caebf4bc41842f3b8ff2455e10766f491df054f8d64b85"`
Dec 13 18:59:57.464 INFO [stderr] usermod: no changes
Dec 13 18:59:57.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 18:59:57.527 INFO [stderr]      Running /target/debug/deps/cards-29ce7a7c981b8cc0
Dec 13 18:59:57.527 INFO [stderr] su: No module specific data is present
Dec 13 18:59:57.527 INFO [stdout] 
Dec 13 18:59:57.527 INFO [stdout] running 0 tests
Dec 13 18:59:57.527 INFO [stdout] 
Dec 13 18:59:57.528 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 18:59:57.528 INFO [stdout] 
Dec 13 18:59:57.824 INFO running `"docker" "inspect" "62aec36a59debe7fe5caebf4bc41842f3b8ff2455e10766f491df054f8d64b85"`
Dec 13 18:59:57.942 INFO running `"docker" "rm" "-f" "62aec36a59debe7fe5caebf4bc41842f3b8ff2455e10766f491df054f8d64b85"`
Dec 13 18:59:58.033 INFO [stdout] 62aec36a59debe7fe5caebf4bc41842f3b8ff2455e10766f491df054f8d64b85