[INFO] cloning repository https://github.com/mabenmaple/blackjacktest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mabenmaple/blackjacktest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabenmaple%2Fblackjacktest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabenmaple%2Fblackjacktest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b9a3af33ed8f0c253921d67c654346b4b43c186
[INFO] testing mabenmaple/blackjacktest against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabenmaple%2Fblackjacktest" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mabenmaple/blackjacktest
[INFO] finished tweaking git repo https://github.com/mabenmaple/blackjacktest
[INFO] tweaked toml for git repo https://github.com/mabenmaple/blackjacktest written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mabenmaple/blackjacktest on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mabenmaple/blackjacktest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.24.3
[INFO] [stderr]   Downloaded strum v0.24.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267
[INFO] running `Command { std: "docker" "start" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling rust-blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `card::*`
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use card::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_card` is never used
[INFO] [stdout]   --> src/deck.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Deck {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_card(&mut self, c: Card) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_move` is never used
[INFO] [stdout]   --> src/player.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Person {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn next_move(&self) -> Reply;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Reply` is never used
[INFO] [stdout]   --> src/player.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Reply {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/deck.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         &self.cards.shuffle(&mut rng);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = &self.cards.shuffle(&mut rng);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `card::*`
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use card::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_card` is never used
[INFO] [stdout]   --> src/deck.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Deck {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_card(&mut self, c: Card) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_move` is never used
[INFO] [stdout]   --> src/player.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Person {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn next_move(&self) -> Reply;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Reply` is never used
[INFO] [stdout]   --> src/player.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Reply {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/deck.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         &self.cards.shuffle(&mut rng);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = &self.cards.shuffle(&mut rng);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `card::*`
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use card::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_card` is never used
[INFO] [stdout]   --> src/deck.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Deck {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_card(&mut self, c: Card) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_move` is never used
[INFO] [stdout]   --> src/player.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Person {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn next_move(&self) -> Reply;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Reply` is never used
[INFO] [stdout]   --> src/player.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Reply {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/deck.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         &self.cards.shuffle(&mut rng);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = &self.cards.shuffle(&mut rng);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `card::*`
[INFO] [stderr]  --> src/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use card::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `add_card` is never used
[INFO] [stderr]   --> src/deck.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Deck {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn add_card(&mut self, c: Card) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `next_move` is never used
[INFO] [stderr]   --> src/player.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub trait Person {
[INFO] [stderr]    |           ------ method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn next_move(&self) -> Reply;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Reply` is never used
[INFO] [stderr]   --> src/player.rs:75:10
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub enum Reply {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/deck.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         &self.cards.shuffle(&mut rng);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let _ = &self.cards.shuffle(&mut rng);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-blackjack` (lib) generated 5 warnings (run `cargo fix --lib -p rust-blackjack` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-blackjack` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/rust_blackjack-9d787d89553188e2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rust_blackjack-9b9c444896f5430f)
[INFO] [stdout] test game::aces_shrink_when_needed ... ok
[INFO] [stdout] test game::five_aces_is15 ... ok
[INFO] [stdout] test game::queen_and_ace_is_blackjack ... ok
[INFO] [stdout] test game::blackjack_wins_over_21 ... ok
[INFO] [stdout] test game::seven_ace_and_knight_is18 ... ok
[INFO] [stdout] test game::seven_and_ace_is18 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_blackjack
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267", kill_on_drop: false }`
[INFO] [stdout] 43d0d99221df65515ec57be9270e9bd382dc9b9b4b070f1f6791a9c5d69e3267
