[INFO] cloning repository https://github.com/askreet/blackjack-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/askreet/blackjack-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskreet%2Fblackjack-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskreet%2Fblackjack-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 307186ad695cf05d76d84f1d3e880da1642dcbba
[INFO] testing askreet/blackjack-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskreet%2Fblackjack-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/askreet/blackjack-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/askreet/blackjack-rs
[INFO] finished tweaking git repo https://github.com/askreet/blackjack-rs
[INFO] tweaked toml for git repo https://github.com/askreet/blackjack-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/askreet/blackjack-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc2835bcef19a07fa841cfe6bb8312c9caa4a788d96b5c5e251c3d9df9cb238b
[INFO] running `Command { std: "docker" "start" "-a" "bc2835bcef19a07fa841cfe6bb8312c9caa4a788d96b5c5e251c3d9df9cb238b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2835bcef19a07fa841cfe6bb8312c9caa4a788d96b5c5e251c3d9df9cb238b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2835bcef19a07fa841cfe6bb8312c9caa4a788d96b5c5e251c3d9df9cb238b", kill_on_drop: false }`
[INFO] [stdout] bc2835bcef19a07fa841cfe6bb8312c9caa4a788d96b5c5e251c3d9df9cb238b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2a1e72d669351bfe2a7883a97f14f040c699bc28e78d6055f882829887feaa5
[INFO] running `Command { std: "docker" "start" "-a" "f2a1e72d669351bfe2a7883a97f14f040c699bc28e78d6055f882829887feaa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling blackjack-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `card::Card`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use card::Card;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deck::Deck`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use deck::Deck;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `game::Error` in public interface (error E0446)
[INFO] [stdout]   --> src/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn deal_hand(&mut self, bet: Chips) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `of`
[INFO] [stdout]   --> src/deck.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn of(cards: Vec<Card>) -> Deck {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEnoughChips`
[INFO] [stdout]   --> src/game.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     NotEnoughChips,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/game.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/game.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | type Result<T> = result::Result<T, Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deal_hand`
[INFO] [stdout]   --> src/game.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn deal_hand(&mut self, bet: Chips) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "f2a1e72d669351bfe2a7883a97f14f040c699bc28e78d6055f882829887feaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a1e72d669351bfe2a7883a97f14f040c699bc28e78d6055f882829887feaa5", kill_on_drop: false }`
[INFO] [stdout] f2a1e72d669351bfe2a7883a97f14f040c699bc28e78d6055f882829887feaa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1117a69d749d7f2b7c0ff9a63726e53a18b14db4c0e52ff235190185044bfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c1117a69d749d7f2b7c0ff9a63726e53a18b14db4c0e52ff235190185044bfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackjack-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `card::Card`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use card::Card;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deck::Deck`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use deck::Deck;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Card`, `Rank::*`, `Suit::*`
[INFO] [stdout]   --> src/deck.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     use card::{Card, Rank, Rank::*, Suit, Suit::*};
[INFO] [stdout]    |                ^^^^        ^^^^^^^        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Suit::*`
[INFO] [stdout]    --> src/game.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |     use card::{Rank::*, Suit::*};
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `game::Error` in public interface (error E0446)
[INFO] [stdout]   --> src/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn deal_hand(&mut self, bet: Chips) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEnoughChips`
[INFO] [stdout]   --> src/game.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     NotEnoughChips,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/game.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack_rs-4db5aef16a9bc298)
[INFO] running `Command { std: "docker" "inspect" "2c1117a69d749d7f2b7c0ff9a63726e53a18b14db4c0e52ff235190185044bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1117a69d749d7f2b7c0ff9a63726e53a18b14db4c0e52ff235190185044bfc", kill_on_drop: false }`
[INFO] [stdout] 2c1117a69d749d7f2b7c0ff9a63726e53a18b14db4c0e52ff235190185044bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6f10e4d4ccfb9d72b84f7814e10982333914847d2b50a6692d2b7929f82016a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6f10e4d4ccfb9d72b84f7814e10982333914847d2b50a6692d2b7929f82016a", kill_on_drop: false }`
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/game.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug, Eq, PartialEq)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `blackjack-rs` (bin "blackjack-rs" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack_rs-4db5aef16a9bc298)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test game::tests::bust_with_two_aces ... ok
[INFO] [stdout] test game::tests::dealing_a_hard_reduces_player_bank_and_deals_cards ... ok
[INFO] [stdout] test deck::tests::new_decks_should_be_shuffled ... ok
[INFO] [stdout] test game::tests::hitting_adds_another_card_to_player_hand ... ok
[INFO] [stdout] test game::tests::simple_blackjack ... ok
[INFO] [stdout] test game::tests::ten_and_four_is_14 ... ok
[INFO] [stdout] test game::tests::two_aces ... ok
[INFO] [stdout] test deck::tests::a_new_deck_has_52_cards ... ok
[INFO] [stdout] test game::tests::player_stands_and_dealer_hits_multiple_times ... ok
[INFO] [stdout] test game::tests::player_stands_and_dealer_wins ... ok
[INFO] [stdout] test game::tests::player_stands_and_dealer_busts ... ok
[INFO] [stdout] test deck::tests::a_new_deck_has_13_of_each_suit ... ok
[INFO] [stdout] test game::tests::jack_and_queen_is_20 ... ok
[INFO] [stdout] test deck::tests::a_new_deck_has_4_of_each_rank ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6f10e4d4ccfb9d72b84f7814e10982333914847d2b50a6692d2b7929f82016a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f10e4d4ccfb9d72b84f7814e10982333914847d2b50a6692d2b7929f82016a", kill_on_drop: false }`
[INFO] [stdout] c6f10e4d4ccfb9d72b84f7814e10982333914847d2b50a6692d2b7929f82016a