[INFO] fetching crate r-graph 0.1.5... [INFO] testing r-graph-0.1.5 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate r-graph 0.1.5 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate r-graph 0.1.5 [INFO] finished tweaking crates.io crate r-graph 0.1.5 [INFO] tweaked toml for crates.io crate r-graph 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate r-graph 0.1.5 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.8.2 (available: v0.14.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded rand_chacha v0.2.2 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded rand v0.7.3 [INFO] [stderr] Downloaded getrandom v0.1.16 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 366e84a5e0e4cb35c4cf6fbecb465efed019d7fd5622b98bb79dce9592a302f1 [INFO] running `Command { std: "docker" "start" "-a" "366e84a5e0e4cb35c4cf6fbecb465efed019d7fd5622b98bb79dce9592a302f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "366e84a5e0e4cb35c4cf6fbecb465efed019d7fd5622b98bb79dce9592a302f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "366e84a5e0e4cb35c4cf6fbecb465efed019d7fd5622b98bb79dce9592a302f1", kill_on_drop: false }` [INFO] [stdout] 366e84a5e0e4cb35c4cf6fbecb465efed019d7fd5622b98bb79dce9592a302f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c88b75bf8debdee6c5ea6cc0b95450ee86b6463cb7665e07a6a0f0458c7e570b [INFO] running `Command { std: "docker" "start" "-a" "c88b75bf8debdee6c5ea6cc0b95450ee86b6463cb7665e07a6a0f0458c7e570b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling r-graph v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable [INFO] [stdout] --> src/dev/mod.rs:110:19 [INFO] [stdout] | [INFO] [stdout] 110 | type Output = impl Fn(T) -> R2; [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 2025-09-24; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AddEdge` and `Undirected` [INFO] [stdout] --> src/extended/clique.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation, Undirected}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AddVertex`, `GetVertex`, and `Vertices` [INFO] [stdout] --> src/extended/clique.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::dev::{AddVertex, GetVertex, Neighbours, Vertices, orientation}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubGraph` [INFO] [stdout] --> src/extended/clique.rs:5:41 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::wrapper::sub::{intersection, SubGraph}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::dev::transform::transformers::VertexKey` [INFO] [stdout] --> src/extended/clique.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::dev::transform::transformers::VertexKey; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Orientation` [INFO] [stdout] --> src/wrapper/sub.rs:1:40 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::dev::orientation::{AddEdge, Orientation}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `r-graph` (lib) due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c88b75bf8debdee6c5ea6cc0b95450ee86b6463cb7665e07a6a0f0458c7e570b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c88b75bf8debdee6c5ea6cc0b95450ee86b6463cb7665e07a6a0f0458c7e570b", kill_on_drop: false }` [INFO] [stdout] c88b75bf8debdee6c5ea6cc0b95450ee86b6463cb7665e07a6a0f0458c7e570b