[INFO] fetching crate safe_ecs 0.1.0...
[INFO] testing safe_ecs-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate safe_ecs 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate safe_ecs 0.1.0
[INFO] finished tweaking crates.io crate safe_ecs 0.1.0
[INFO] tweaked toml for crates.io crate safe_ecs 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe_ecs 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safe_ecs_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42665d178d01c271d4232e2069c63fb0cd173340f1cb94f5885b5aad985383b5
[INFO] running `Command { std: "docker" "start" "-a" "42665d178d01c271d4232e2069c63fb0cd173340f1cb94f5885b5aad985383b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42665d178d01c271d4232e2069c63fb0cd173340f1cb94f5885b5aad985383b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42665d178d01c271d4232e2069c63fb0cd173340f1cb94f5885b5aad985383b5", kill_on_drop: false }`
[INFO] [stdout] 42665d178d01c271d4232e2069c63fb0cd173340f1cb94f5885b5aad985383b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5103bedda4bf1e8126de314c98a054018e62f9186b9aa656a279495d6df32dd4
[INFO] running `Command { std: "docker" "start" "-a" "5103bedda4bf1e8126de314c98a054018e62f9186b9aa656a279495d6df32dd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling safe_ecs_derive v0.1.0
[INFO] [stderr]    Compiling safe_ecs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_try_insert, type_alias_impl_trait, generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[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:2:51
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_try_insert, type_alias_impl_trait, generic_associated_types)]
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]    --> src/query.rs:432:37
[INFO] [stdout]     |
[INFO] [stdout] 432 | type ArchetypeIter<'a, 'b: 'a, Q> = impl Iterator<Item = &'b Archetype> + 'a;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArchetypeIter` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/query.rs:439:13
[INFO] [stdout]     |
[INFO] [stdout] 432 |   type ArchetypeIter<'a, 'b: 'a, Q> = impl Iterator<Item = &'b Archetype> + 'a;
[INFO] [stdout]     |                                       ---------------------------------------- the expected opaque type
[INFO] [stdout] ...
[INFO] [stdout] 438 |           ) -> ArchetypeIter<'a, 'b, Q> {
[INFO] [stdout]     |                ------------------------ expected `ArchetypeIter<'a, 'b, Q>` because of return type
[INFO] [stdout] 439 | /             world
[INFO] [stdout] 440 | |                 .archetypes
[INFO] [stdout] 441 | |                 .iter()
[INFO] [stdout] 442 | |                 .filter(|archetype| Q::archetype_matches(archetype, &world.ecs_type_ids))
[INFO] [stdout] ...   |
[INFO] [stdout] 449 | |                     })
[INFO] [stdout] 450 | |                 })
[INFO] [stdout]     | |__________________^ expected opaque type, found `Filter<Filter<Iter<'_, ...>, ...>, ...>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected opaque type `ArchetypeIter<'a, 'b, Q>`
[INFO] [stdout]                     found struct `Filter<Filter<std::slice::Iter<'_, Archetype>, {closure@src/query.rs:442:25: 442:36}>, {closure@src/query.rs:443:25: 443:36}>`
[INFO] [stdout] note: this item must have a `#[define_opaque(ArchetypeIter)]` attribute to be able to define hidden types
[INFO] [stdout]    --> src/query.rs:435:12
[INFO] [stdout]     |
[INFO] [stdout] 435 |         fn defining_use<'a, 'b: 'a, Q: QueryParam>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safe_ecs` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5103bedda4bf1e8126de314c98a054018e62f9186b9aa656a279495d6df32dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5103bedda4bf1e8126de314c98a054018e62f9186b9aa656a279495d6df32dd4", kill_on_drop: false }`
[INFO] [stdout] 5103bedda4bf1e8126de314c98a054018e62f9186b9aa656a279495d6df32dd4
