[INFO] fetching crate blackjack 0.1.1... [INFO] checking blackjack-0.1.1 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764 [INFO] extracting crate blackjack 0.1.1 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate blackjack 0.1.1 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 232f7e7a34fe8d0c4a6f308f5dcb289411c428b1759b5f80c4546cfcdae8c580 [INFO] running `Command { std: "docker" "start" "-a" "232f7e7a34fe8d0c4a6f308f5dcb289411c428b1759b5f80c4546cfcdae8c580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "232f7e7a34fe8d0c4a6f308f5dcb289411c428b1759b5f80c4546cfcdae8c580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "232f7e7a34fe8d0c4a6f308f5dcb289411c428b1759b5f80c4546cfcdae8c580", kill_on_drop: false }` [INFO] [stdout] 232f7e7a34fe8d0c4a6f308f5dcb289411c428b1759b5f80c4546cfcdae8c580 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f35b407749046082e3a8db9314ca4453f699e02747ecf0aca3d81fbcee95916 [INFO] running `Command { std: "docker" "start" "-a" "9f35b407749046082e3a8db9314ca4453f699e02747ecf0aca3d81fbcee95916", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking blackjack v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> lib/card.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 37 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 38 | #[repr(C)] [INFO] [stdout] 39 | / pub struct Deck { [INFO] [stdout] 40 | | cards: Vec, [INFO] [stdout] 41 | | deck_count: usize, [INFO] [stdout] 42 | | card_index: usize [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____- not a free function, impl method or static [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] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> lib/player.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 21 | #[derive(Clone)] [INFO] [stdout] 22 | / pub struct Player { [INFO] [stdout] 23 | | name: String, [INFO] [stdout] 24 | | is_dealer: bool, [INFO] [stdout] 25 | | hands: Vec, [INFO] [stdout] 26 | | balance: i32, [INFO] [stdout] 27 | | standing: i32 [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____- not a free function, impl method or static [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] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> lib/player.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 31 | #[derive(Clone)] [INFO] [stdout] 32 | / pub struct Hand { [INFO] [stdout] 33 | | cards: Vec, [INFO] [stdout] 34 | | can_surrender: bool, [INFO] [stdout] 35 | | surrendered: bool, [INFO] [stdout] 36 | | is_set: bool, [INFO] [stdout] 37 | | wager: i32 [INFO] [stdout] 38 | | } [INFO] [stdout] | |_____- not a free function, impl method or static [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] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> lib/card.rs:37:2 [INFO] [stdout] | [INFO] [stdout] 37 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 38 | #[repr(C)] [INFO] [stdout] 39 | / pub struct Deck { [INFO] [stdout] 40 | | cards: Vec, [INFO] [stdout] 41 | | deck_count: usize, [INFO] [stdout] 42 | | card_index: usize [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____- not a free function, impl method or static [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] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> lib/player.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 21 | #[derive(Clone)] [INFO] [stdout] 22 | / pub struct Player { [INFO] [stdout] 23 | | name: String, [INFO] [stdout] 24 | | is_dealer: bool, [INFO] [stdout] 25 | | hands: Vec, [INFO] [stdout] 26 | | balance: i32, [INFO] [stdout] 27 | | standing: i32 [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____- not a free function, impl method or static [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] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> lib/player.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 31 | #[derive(Clone)] [INFO] [stdout] 32 | / pub struct Hand { [INFO] [stdout] 33 | | cards: Vec, [INFO] [stdout] 34 | | can_surrender: bool, [INFO] [stdout] 35 | | surrendered: bool, [INFO] [stdout] 36 | | is_set: bool, [INFO] [stdout] 37 | | wager: i32 [INFO] [stdout] 38 | | } [INFO] [stdout] | |_____- not a free function, impl method or static [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] [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> lib/player.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter<'_, Hand> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> lib/player.rs:255:20 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter<'_, Card> { [INFO] [stdout] | +++ [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> lib/player.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 56 | pub fn hand_iter(&self) -> Iter<'_, Hand> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> lib/player.rs:255:20 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn card_iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 2.23s [INFO] running `Command { std: "docker" "inspect" "9f35b407749046082e3a8db9314ca4453f699e02747ecf0aca3d81fbcee95916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f35b407749046082e3a8db9314ca4453f699e02747ecf0aca3d81fbcee95916", kill_on_drop: false }` [INFO] [stdout] 9f35b407749046082e3a8db9314ca4453f699e02747ecf0aca3d81fbcee95916