[INFO] fetching crate r-graph 0.1.5...
[INFO] testing r-graph-0.1.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate r-graph 0.1.5 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r-graph 0.1.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d4f86062ae07af9ee2721b9e2e79790771ec112f8321fc70f96645c244ba11
[INFO] running `Command { std: "docker" "start" "-a" "29d4f86062ae07af9ee2721b9e2e79790771ec112f8321fc70f96645c244ba11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d4f86062ae07af9ee2721b9e2e79790771ec112f8321fc70f96645c244ba11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d4f86062ae07af9ee2721b9e2e79790771ec112f8321fc70f96645c244ba11", kill_on_drop: false }`
[INFO] [stdout] 29d4f86062ae07af9ee2721b9e2e79790771ec112f8321fc70f96645c244ba11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 517a777c5fe4011d239632d354b17f3a05f992f733780df085aaccb999020a3a
[INFO] running `Command { std: "docker" "start" "-a" "517a777c5fe4011d239632d354b17f3a05f992f733780df085aaccb999020a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.8.2
[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 <https://github.com/rust-lang/rust/issues/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 2025-06-19; 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)]` 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" "517a777c5fe4011d239632d354b17f3a05f992f733780df085aaccb999020a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517a777c5fe4011d239632d354b17f3a05f992f733780df085aaccb999020a3a", kill_on_drop: false }`
[INFO] [stdout] 517a777c5fe4011d239632d354b17f3a05f992f733780df085aaccb999020a3a