[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/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/askreet/blackjack-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/askreet/blackjack-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/askreet/blackjack-rs" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/askreet/blackjack-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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 master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of askreet/blackjack-rs on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "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/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking askreet/blackjack-rs against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-7/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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=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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e4ba8751878fca6464c976b5824fae07936a1b1dfbfdabffb65dc10608eec023
[INFO] running `"docker" "start" "-a" "e4ba8751878fca6464c976b5824fae07936a1b1dfbfdabffb65dc10608eec023"`
[INFO] [stderr]     Checking 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] 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 1.44s
[INFO] running `"docker" "inspect" "e4ba8751878fca6464c976b5824fae07936a1b1dfbfdabffb65dc10608eec023"`
[INFO] running `"docker" "rm" "-f" "e4ba8751878fca6464c976b5824fae07936a1b1dfbfdabffb65dc10608eec023"`
[INFO] [stdout] e4ba8751878fca6464c976b5824fae07936a1b1dfbfdabffb65dc10608eec023