[INFO] fetching crate minesweeprs 0.3.4... [INFO] checking minesweeprs-0.3.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate minesweeprs 0.3.4 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate minesweeprs 0.3.4 [INFO] finished tweaking crates.io crate minesweeprs 0.3.4 [INFO] tweaked toml for crates.io crate minesweeprs 0.3.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate minesweeprs 0.3.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bf176588edc72f51661600a3324f7286b44cf0c2e68f143616c763da8559622 [INFO] running `Command { std: "docker" "start" "-a" "4bf176588edc72f51661600a3324f7286b44cf0c2e68f143616c763da8559622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bf176588edc72f51661600a3324f7286b44cf0c2e68f143616c763da8559622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bf176588edc72f51661600a3324f7286b44cf0c2e68f143616c763da8559622", kill_on_drop: false }` [INFO] [stdout] 4bf176588edc72f51661600a3324f7286b44cf0c2e68f143616c763da8559622 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f451272a4fa31ff134832331a937dc6f24737653808e5428e27b48675f81f5d7 [INFO] running `Command { std: "docker" "start" "-a" "f451272a4fa31ff134832331a937dc6f24737653808e5428e27b48675f81f5d7", kill_on_drop: false }` [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking frozenset v0.2.2 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking minesweeprs v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState` [INFO] [stdout] --> src/solve/types.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::{Generator, GeneratorState}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] | | [INFO] [stdout] | no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1196:21 [INFO] [stdout] | [INFO] [stdout] 1196 | / yield state.mine_config().expect( [INFO] [stdout] 1197 | | "Mine configuration should always be valid when \ [INFO] [stdout] 1198 | | state.is_complete()", [INFO] [stdout] 1199 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1204:29 [INFO] [stdout] | [INFO] [stdout] 1204 | ... yield val; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1196:21 [INFO] [stdout] | [INFO] [stdout] 1196 | / yield state.mine_config().expect( [INFO] [stdout] 1197 | | "Mine configuration should always be valid when \ [INFO] [stdout] 1198 | | state.is_complete()", [INFO] [stdout] 1199 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> src/solve/types.rs:1196:21 [INFO] [stdout] | [INFO] [stdout] 1196 | / yield state.mine_config().expect( [INFO] [stdout] 1197 | | "Mine configuration should always be valid when \ [INFO] [stdout] 1198 | | state.is_complete()", [INFO] [stdout] 1199 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 1194 | inner: Box::pin(#[coroutine] static move || { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1204:29 [INFO] [stdout] | [INFO] [stdout] 1204 | ... yield val; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState` [INFO] [stdout] --> src/solve/types.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::{Generator, GeneratorState}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] | | [INFO] [stdout] | no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `generator_trait` [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1196:21 [INFO] [stdout] | [INFO] [stdout] 1196 | / yield state.mine_config().expect( [INFO] [stdout] 1197 | | "Mine configuration should always be valid when \ [INFO] [stdout] 1198 | | state.is_complete()", [INFO] [stdout] 1199 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1204:29 [INFO] [stdout] | [INFO] [stdout] 1204 | ... yield val; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1196:21 [INFO] [stdout] | [INFO] [stdout] 1196 | / yield state.mine_config().expect( [INFO] [stdout] 1197 | | "Mine configuration should always be valid when \ [INFO] [stdout] 1198 | | state.is_complete()", [INFO] [stdout] 1199 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> src/solve/types.rs:1196:21 [INFO] [stdout] | [INFO] [stdout] 1196 | / yield state.mine_config().expect( [INFO] [stdout] 1197 | | "Mine configuration should always be valid when \ [INFO] [stdout] 1198 | | state.is_complete()", [INFO] [stdout] 1199 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 1194 | inner: Box::pin(#[coroutine] static move || { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/solve/types.rs:1204:29 [INFO] [stdout] | [INFO] [stdout] 1204 | ... yield val; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `generator_trait` [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `minesweeprs` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `minesweeprs` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "f451272a4fa31ff134832331a937dc6f24737653808e5428e27b48675f81f5d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f451272a4fa31ff134832331a937dc6f24737653808e5428e27b48675f81f5d7", kill_on_drop: false }` [INFO] [stdout] f451272a4fa31ff134832331a937dc6f24737653808e5428e27b48675f81f5d7