[INFO] fetching crate mental-poker 0.1.0... [INFO] testing mental-poker-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate mental-poker 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate mental-poker 0.1.0 [INFO] finished tweaking crates.io crate mental-poker 0.1.0 [INFO] tweaked toml for crates.io crate mental-poker 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mental-poker 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mental-poker 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unwrap-infallible v0.1.5 [INFO] [stderr] Downloaded unicode-xid v0.2.2 [INFO] [stderr] Downloaded thiserror-impl v1.0.30 [INFO] [stderr] Downloaded thiserror v1.0.30 [INFO] [stderr] Downloaded proc-macro2 v1.0.36 [INFO] [stderr] Downloaded test-log v0.2.8 [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded assert_matches v1.5.0 [INFO] [stderr] Downloaded block-buffer v0.10.2 [INFO] [stderr] Downloaded quote v1.0.15 [INFO] [stderr] Downloaded predicates-tree v1.0.5 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded predicates-core v1.0.3 [INFO] [stderr] Downloaded version_check v0.9.4 [INFO] [stderr] Downloaded cpufeatures v0.2.1 [INFO] [stderr] Downloaded strsim v0.8.0 [INFO] [stderr] Downloaded convert_case v0.4.0 [INFO] [stderr] Downloaded vec_map v0.8.2 [INFO] [stderr] Downloaded proc-macro-error-attr v1.0.4 [INFO] [stderr] Downloaded fragile v1.1.0 [INFO] [stderr] Downloaded winapi-util v0.1.5 [INFO] [stderr] 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[INFO] [stderr] Downloaded rustc_version v0.4.0 [INFO] [stderr] Downloaded difflib v0.4.0 [INFO] [stderr] Downloaded float-cmp v0.9.0 [INFO] [stderr] Downloaded either v1.6.1 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded termtree v0.2.4 [INFO] [stderr] Downloaded winapi v0.3.9 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 707981a4444f3c56679cba0bedfd113d7ec1fcc3ac2458a3a9b6a7421fd1de34 [INFO] running `Command { std: "docker" "start" "-a" "707981a4444f3c56679cba0bedfd113d7ec1fcc3ac2458a3a9b6a7421fd1de34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "707981a4444f3c56679cba0bedfd113d7ec1fcc3ac2458a3a9b6a7421fd1de34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "707981a4444f3c56679cba0bedfd113d7ec1fcc3ac2458a3a9b6a7421fd1de34", kill_on_drop: false }` [INFO] [stdout] 707981a4444f3c56679cba0bedfd113d7ec1fcc3ac2458a3a9b6a7421fd1de34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8d87a519f116bd2301983e6428d55d4001f5e89cc7184d9c6d768ea4e4b82a3 [INFO] running `Command { std: "docker" "start" "-a" "d8d87a519f116bd2301983e6428d55d4001f5e89cc7184d9c6d768ea4e4b82a3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling crypto-common v0.1.3 [INFO] [stderr] Compiling block-buffer v0.10.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling digest v0.10.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling sha2 v0.10.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling mental-poker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/game/message.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | type IntoIter = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/game/message.rs:266:21 [INFO] [stdout] | [INFO] [stdout] 266 | type IntoIter = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/game/trusting.rs:294:17 [INFO] [stdout] | [INFO] [stdout] 294 | type Iter = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/game/trusting.rs:333:17 [INFO] [stdout] | [INFO] [stdout] 333 | type Iter = impl Iterator>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: where clause not allowed here [INFO] [stdout] --> src/game/log.rs:152:5 [INFO] [stdout] | [INFO] [stdout] 152 | / where [INFO] [stdout] 153 | | C: 'a, [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #89122 for more information [INFO] [stdout] = note: `#[warn(deprecated_where_clause_location)]` on by default [INFO] [stdout] help: move it to the end of the type declaration [INFO] [stdout] | [INFO] [stdout] 152 ~ [INFO] [stdout] 153 ~ = FinishedLogIter<'a, C> where C: 'a; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait [INFO] [stdout] --> src/deck.rs:103:51 [INFO] [stdout] | [INFO] [stdout] 103 | fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ expected `(usize, Option)`, found `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&deck::DeckPosition<_>, &deck::DeckPosition<_>) -> (usize, Option)` [INFO] [stdout] found signature `fn(&deck::DeckPosition<_>, &deck::DeckPosition<_>) -> Option` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 103 - fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] 103 + fn steps_between(start: &Self, end: &Self) -> (usize, Option) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/deck.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 103 | fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] | ------------- expected `Option` because of return type [INFO] [stdout] 104 | usize::steps_between(&start.0, &end.0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Option`, found `(usize, Option)` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option` [INFO] [stdout] found tuple `(usize, Option)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mental-poker` (lib) due to 6 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d8d87a519f116bd2301983e6428d55d4001f5e89cc7184d9c6d768ea4e4b82a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8d87a519f116bd2301983e6428d55d4001f5e89cc7184d9c6d768ea4e4b82a3", kill_on_drop: false }` [INFO] [stdout] d8d87a519f116bd2301983e6428d55d4001f5e89cc7184d9c6d768ea4e4b82a3