[INFO] updating cached repository askreet/blackjack-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/askreet/blackjack-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/askreet/blackjack-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/askreet/blackjack-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/askreet/blackjack-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/askreet/blackjack-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/askreet/blackjack-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/askreet/blackjack-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 307186ad695cf05d76d84f1d3e880da1642dcbba
[INFO] sha for GitHub repo askreet/blackjack-rs: 307186ad695cf05d76d84f1d3e880da1642dcbba
[INFO] validating manifest of askreet/blackjack-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of askreet/blackjack-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing askreet/blackjack-rs
[INFO] finished frobbing askreet/blackjack-rs
[INFO] frobbed toml for askreet/blackjack-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/askreet/blackjack-rs/Cargo.toml
[INFO] started frobbing askreet/blackjack-rs
[INFO] finished frobbing askreet/blackjack-rs
[INFO] frobbed toml for askreet/blackjack-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/askreet/blackjack-rs/Cargo.toml
[INFO] crate askreet/blackjack-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing askreet/blackjack-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askreet/blackjack-rs:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8aac2f8612e8054a38cd99076da208718eb03b8202f83bfc8af2222148db9e5f
[INFO] running `"docker" "start" "-a" "8aac2f8612e8054a38cd99076da208718eb03b8202f83bfc8af2222148db9e5f"`
[INFO] [stderr]    Compiling blackjack-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `card::Card`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use card::Card;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `deck::Deck`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use deck::Deck;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `game::Error` in public interface (error E0446)
[INFO] [stderr]   --> src/game.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     pub fn deal_hand(&mut self, bet: Chips) -> Result<()> {
[INFO] [stderr] 39 | |         self.player_money -= bet;
[INFO] [stderr] 40 | |         self.current_bet = bet;
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |         Ok(())
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(private_in_public)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `of`
[INFO] [stderr]   --> src/deck.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn of(cards: Vec<Card>) -> Deck {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEnoughChips`
[INFO] [stderr]   --> src/game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NotEnoughChips,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/game.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | type Result<T> = result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `deal_hand`
[INFO] [stderr]   --> src/game.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn deal_hand(&mut self, bet: Chips) -> Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "8aac2f8612e8054a38cd99076da208718eb03b8202f83bfc8af2222148db9e5f"`
[INFO] running `"docker" "rm" "-f" "8aac2f8612e8054a38cd99076da208718eb03b8202f83bfc8af2222148db9e5f"`
[INFO] [stdout] 8aac2f8612e8054a38cd99076da208718eb03b8202f83bfc8af2222148db9e5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askreet/blackjack-rs:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b2ba3a9ebbc8f3a33717fc5dff158b8efa482130780fd5e8cf17ecbb7f245dd9
[INFO] running `"docker" "start" "-a" "b2ba3a9ebbc8f3a33717fc5dff158b8efa482130780fd5e8cf17ecbb7f245dd9"`
[INFO] [stderr]    Compiling blackjack-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `card::Card`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use card::Card;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `deck::Deck`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use deck::Deck;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Card`, `Rank::*`, `Suit::*`
[INFO] [stderr]   --> src/deck.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 |     use card::{Card, Rank, Rank::*, Suit, Suit::*};
[INFO] [stderr]    |                ^^^^        ^^^^^^^        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Suit::*`
[INFO] [stderr]    --> src/game.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 |     use card::{Rank::*, Suit::*};
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `game::Error` in public interface (error E0446)
[INFO] [stderr]   --> src/game.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     pub fn deal_hand(&mut self, bet: Chips) -> Result<()> {
[INFO] [stderr] 39 | |         self.player_money -= bet;
[INFO] [stderr] 40 | |         self.current_bet = bet;
[INFO] [stderr] 41 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |         Ok(())
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(private_in_public)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEnoughChips`
[INFO] [stderr]   --> src/game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NotEnoughChips,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "b2ba3a9ebbc8f3a33717fc5dff158b8efa482130780fd5e8cf17ecbb7f245dd9"`
[INFO] running `"docker" "rm" "-f" "b2ba3a9ebbc8f3a33717fc5dff158b8efa482130780fd5e8cf17ecbb7f245dd9"`
[INFO] [stdout] b2ba3a9ebbc8f3a33717fc5dff158b8efa482130780fd5e8cf17ecbb7f245dd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askreet/blackjack-rs:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c753ebfdd5cea5c6682ed88b8d908766d36930c933997dae1235d1bc2aff2f9c
[INFO] running `"docker" "start" "-a" "c753ebfdd5cea5c6682ed88b8d908766d36930c933997dae1235d1bc2aff2f9c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blackjack_rs-102cd3d10e58a9b4
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test deck::tests::a_new_deck_has_4_of_each_rank ... ok
[INFO] [stdout] test game::tests::bust_with_two_aces ... ok
[INFO] [stdout] test deck::tests::new_decks_should_be_shuffled ... ok
[INFO] [stdout] test deck::tests::a_new_deck_has_52_cards ... ok
[INFO] [stdout] test game::tests::player_stands_and_dealer_busts ... ok
[INFO] [stdout] test game::tests::player_stands_and_dealer_wins ... ok
[INFO] [stdout] test game::tests::jack_and_queen_is_20 ... ok
[INFO] [stdout] test game::tests::simple_blackjack ... ok
[INFO] [stdout] test game::tests::player_stands_and_dealer_hits_multiple_times ... ok
[INFO] [stdout] test game::tests::two_aces ... ok
[INFO] [stdout] test game::tests::dealing_a_hard_reduces_player_bank_and_deals_cards ... ok
[INFO] [stdout] test game::tests::hitting_adds_another_card_to_player_hand ... ok
[INFO] [stdout] test deck::tests::a_new_deck_has_13_of_each_suit ... ok
[INFO] [stdout] test game::tests::ten_and_four_is_14 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c753ebfdd5cea5c6682ed88b8d908766d36930c933997dae1235d1bc2aff2f9c"`
[INFO] running `"docker" "rm" "-f" "c753ebfdd5cea5c6682ed88b8d908766d36930c933997dae1235d1bc2aff2f9c"`
[INFO] [stdout] c753ebfdd5cea5c6682ed88b8d908766d36930c933997dae1235d1bc2aff2f9c