[INFO] fetching crate blackjack 0.1.1... [INFO] testing blackjack-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate blackjack 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate blackjack 0.1.1 [INFO] finished tweaking crates.io crate blackjack 0.1.1 [INFO] tweaked toml for crates.io crate blackjack 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate blackjack 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate blackjack 0.1.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b4c2e4ad4565e1f51f4db8b535120e2d3a69a9e71a92a0cea2b6c95e48ff3bd [INFO] running `Command { std: "docker" "start" "-a" "9b4c2e4ad4565e1f51f4db8b535120e2d3a69a9e71a92a0cea2b6c95e48ff3bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b4c2e4ad4565e1f51f4db8b535120e2d3a69a9e71a92a0cea2b6c95e48ff3bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b4c2e4ad4565e1f51f4db8b535120e2d3a69a9e71a92a0cea2b6c95e48ff3bd", kill_on_drop: false }` [INFO] [stdout] 9b4c2e4ad4565e1f51f4db8b535120e2d3a69a9e71a92a0cea2b6c95e48ff3bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1483513aff4eb43ded86c2ca9a953feb8385902f039c366bf0be0382b03159b7 [INFO] running `Command { std: "docker" "start" "-a" "1483513aff4eb43ded86c2ca9a953feb8385902f039c366bf0be0382b03159b7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling blackjack v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/card.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 37 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/player.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/player.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_dealer` is never read [INFO] [stdout] --> lib/player.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | name: String, [INFO] [stdout] 24 | is_dealer: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Player` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib/player.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter<'_, Hand> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib/player.rs:255:20 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter<'_, Card> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "1483513aff4eb43ded86c2ca9a953feb8385902f039c366bf0be0382b03159b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1483513aff4eb43ded86c2ca9a953feb8385902f039c366bf0be0382b03159b7", kill_on_drop: false }` [INFO] [stdout] 1483513aff4eb43ded86c2ca9a953feb8385902f039c366bf0be0382b03159b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed045a6ea186843e1968cef9854ff263e4814f8a161c0b656c5356c913054c21 [INFO] running `Command { std: "docker" "start" "-a" "ed045a6ea186843e1968cef9854ff263e4814f8a161c0b656c5356c913054c21", kill_on_drop: false }` [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/card.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 37 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/player.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/player.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_dealer` is never read [INFO] [stdout] --> lib/player.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | name: String, [INFO] [stdout] 24 | is_dealer: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Player` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib/player.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter<'_, Hand> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib/player.rs:255:20 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter<'_, Card> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling blackjack v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/card.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 37 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/player.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stdout] --> lib/player.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_dealer` is never read [INFO] [stdout] --> lib/player.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | name: String, [INFO] [stdout] 24 | is_dealer: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Player` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib/player.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter<'_, Hand> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib/player.rs:255:20 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter<'_, Card> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "ed045a6ea186843e1968cef9854ff263e4814f8a161c0b656c5356c913054c21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed045a6ea186843e1968cef9854ff263e4814f8a161c0b656c5356c913054c21", kill_on_drop: false }` [INFO] [stdout] ed045a6ea186843e1968cef9854ff263e4814f8a161c0b656c5356c913054c21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5d6a9c49371f94fa8a0f2f45746bbbcafc907b4f20ec54cad4db4f3843f41fc1 [INFO] running `Command { std: "docker" "start" "-a" "5d6a9c49371f94fa8a0f2f45746bbbcafc907b4f20ec54cad4db4f3843f41fc1", kill_on_drop: false }` [INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stderr] --> lib/card.rs:37:2 [INFO] [stderr] | [INFO] [stderr] 37 | #[no_mangle] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stderr] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stderr] --> lib/player.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | #[no_mangle] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stderr] [INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on structs [INFO] [stderr] --> lib/player.rs:30:2 [INFO] [stderr] | [INFO] [stderr] 30 | #[no_mangle] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [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] = help: `#[no_mangle]` can be applied to functions and statics [INFO] [stderr] [INFO] [stderr] warning: field `is_dealer` is never read [INFO] [stderr] --> lib/player.rs:24:3 [INFO] [stderr] | [INFO] [stderr] 22 | pub struct Player { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 23 | name: String, [INFO] [stderr] 24 | is_dealer: bool, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Player` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib/player.rs:56:20 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn hand_iter(&self) -> Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 56 | pub fn hand_iter(&self) -> Iter<'_, Hand> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib/player.rs:255:20 [INFO] [stderr] | [INFO] [stderr] 255 | pub fn card_iter(&self) -> Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 255 | pub fn card_iter(&self) -> Iter<'_, Card> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `blackjack` (lib) generated 6 warnings (run `cargo fix --lib -p blackjack` to apply 5 suggestions) [INFO] [stderr] warning: `blackjack` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests lib/lib.rs (/opt/rustwide/target/debug/deps/blackjack-406aec96bd1a290a) [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] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack-a38f58ae680b13c1) [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] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-2f7477ca5e5f0136) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::create_deck ... ok [INFO] [stdout] test tests::card_to_int_works ... ok [INFO] [stdout] test tests::create_new_deck ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::create_new_deck stdout ---- [INFO] [stdout] 00010001 [INFO] [stdout] [INFO] [stdout] thread 'tests::create_new_deck' (29) panicked at tests/tests.rs:48:38: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: 1 [INFO] [stdout] right: 2 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5b84e250d7e2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5b84e250d7e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5b84e250d7e2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5b84e250d7e2 - ::fmt::hde21067283f7e82e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5b84e251d77f - core::fmt::rt::Argument::fmt::he65307037dca33c6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5b84e251d77f - core::fmt::write::h24186904251c31cb [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5b84e24db3e3 - std::io::default_write_fmt::h4e8d11c5c4b9cafe [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5b84e24db3e3 - std::io::Write::write_fmt::ha849be0824d095ef [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5b84e24e7052 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5b84e24ebb2f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5b84e24eb9c1 - std::panicking::default_hook::he2e9efee79b3dce9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5b84e24abfce - as core::ops::function::Fn>::call::h202f496763929329 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2099:9 [INFO] [stdout] 12: 0x5b84e24abfce - test::test_main_with_exit_callback::{{closure}}::h805a6913adddaea3 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5b84e24ec13f - as core::ops::function::Fn>::call::h2883c9d2dbd4e81c [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2099:9 [INFO] [stdout] 14: 0x5b84e24ec13f - std::panicking::panic_with_hook::hf5648b7cec6bc73e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5b84e24ebf9a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5b84e24e7189 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5b84e24cfa7d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5b84e2525080 - core::panicking::panic_fmt::hb5d6b83773432920 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x5b84e2524e83 - core::panicking::assert_failed_inner::ha59fbb70905830e9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:444:17 [INFO] [stdout] 20: 0x5b84e24fb2d0 - core::panicking::assert_failed::heb3d068d42e253b0 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:399:5 [INFO] [stdout] 21: 0x5b84e24881e5 - tests::tests::create_new_deck::h50d626bbe4a0fb13 [INFO] [stdout] at /opt/rustwide/workdir/tests/tests.rs:48:38 [INFO] [stdout] 22: 0x5b84e2488217 - tests::tests::create_new_deck::{{closure}}::h4d2ec55cdeb526ae [INFO] [stdout] at /opt/rustwide/workdir/tests/tests.rs:43:29 [INFO] [stdout] 23: 0x5b84e2488a46 - core::ops::function::FnOnce::call_once::h2b2a9cadb3b10839 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5b84e24abe3b - core::ops::function::FnOnce::call_once::h3a2d82edd1a9b770 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5b84e24abe3b - test::__rust_begin_short_backtrace::h85d4fe5033219107 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5b84e24bfe2d - test::run_test_in_process::{{closure}}::h67b48a81b9c9d7b6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5b84e24bfe2d - as core::ops::function::FnOnce<()>>::call_once::h7680585480377cb5 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x5b84e24bfe2d - std::panicking::catch_unwind::do_call::hf71351b2657d4002 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5b84e24bfe2d - std::panicking::catch_unwind::h7fcb5c0312d9e172 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5b84e24bfe2d - std::panic::catch_unwind::h5cf3c9bdee894ebe [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5b84e24bfe2d - test::run_test_in_process::h1469cb85193a3a25 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5b84e24bfe2d - test::run_test::{{closure}}::h59d45b3cd6453d69 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5b84e2499374 - test::run_test::{{closure}}::h9baa0c3d443f28c9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5b84e2499374 - std::sys::backtrace::__rust_begin_short_backtrace::h97ea8cee4828663e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5b84e249cbca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5d7539d5f78cee61 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/mod.rs:562:17 [INFO] [stdout] 36: 0x5b84e249cbca - as core::ops::function::FnOnce<()>>::call_once::he4c551e23c5e9b22 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x5b84e249cbca - std::panicking::catch_unwind::do_call::h522b41a6c157aaba [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stderr] error: test failed, to rerun pass `--test tests` [INFO] [stdout] 38: 0x5b84e249cbca - std::panicking::catch_unwind::h0efbf72006b8e365 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5b84e249cbca - std::panic::catch_unwind::h3b081041e6c97066 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5b84e249cbca - std::thread::Builder::spawn_unchecked_::{{closure}}::ha751309815d5d8cf [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/mod.rs:560:30 [INFO] [stdout] 41: 0x5b84e249cbca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2084b887a5fe25a7 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5b84e24e258f - as core::ops::function::FnOnce>::call_once::h3adbd6ccf5f737af [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2085:9 [INFO] [stdout] 43: 0x5b84e24e258f - std::sys::thread::unix::Thread::new::thread_start::hb3dc6483caa1b987 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/thread/unix.rs:124:17 [INFO] [stdout] 44: 0x76c392604aa4 - [INFO] [stdout] 45: 0x76c392691a64 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::create_new_deck [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5d6a9c49371f94fa8a0f2f45746bbbcafc907b4f20ec54cad4db4f3843f41fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d6a9c49371f94fa8a0f2f45746bbbcafc907b4f20ec54cad4db4f3843f41fc1", kill_on_drop: false }` [INFO] [stdout] 5d6a9c49371f94fa8a0f2f45746bbbcafc907b4f20ec54cad4db4f3843f41fc1