[INFO] fetching crate object-alloc 0.2.0...
[INFO] testing object-alloc-0.2.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate object-alloc 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate object-alloc 0.2.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate object-alloc 0.2.0
[INFO] finished tweaking crates.io crate object-alloc 0.2.0
[INFO] tweaked toml for crates.io crate object-alloc 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94391a176dc0f65a236ce4ede1f72c85ea7c6a9fa8ffc123c0895c77ead4a285
[INFO] running `Command { std: "docker" "start" "-a" "94391a176dc0f65a236ce4ede1f72c85ea7c6a9fa8ffc123c0895c77ead4a285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94391a176dc0f65a236ce4ede1f72c85ea7c6a9fa8ffc123c0895c77ead4a285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94391a176dc0f65a236ce4ede1f72c85ea7c6a9fa8ffc123c0895c77ead4a285", kill_on_drop: false }`
[INFO] [stdout] 94391a176dc0f65a236ce4ede1f72c85ea7c6a9fa8ffc123c0895c77ead4a285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f9846f2d448228aa6d104fbcbf5318f2fef74bf6159daa559eaf0d22c48ba02
[INFO] running `Command { std: "docker" "start" "-a" "6f9846f2d448228aa6d104fbcbf5318f2fef74bf6159daa559eaf0d22c48ba02", kill_on_drop: false }`
[INFO] [stderr]    Compiling object-alloc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(alloc, allocator_api)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(alloc, allocator_api)]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(alloc, allocator_api)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:39
[INFO] [stdout]     |
[INFO] [stdout] 154 | unsafe impl<T> UntypedObjectAlloc for ObjectAlloc<T> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 | unsafe impl<T> UntypedObjectAlloc for dyn ObjectAlloc<T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] help: alternatively use a blanket implementation to implement `UntypedObjectAlloc` for all types that also implement `ObjectAlloc<T>`
[INFO] [stdout]     |
[INFO] [stdout] 154 | unsafe impl<T, U: ObjectAlloc<T>> UntypedObjectAlloc for U {
[INFO] [stdout]     |              +++++++++++++++++++                         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `object-alloc` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6f9846f2d448228aa6d104fbcbf5318f2fef74bf6159daa559eaf0d22c48ba02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9846f2d448228aa6d104fbcbf5318f2fef74bf6159daa559eaf0d22c48ba02", kill_on_drop: false }`
[INFO] [stdout] 6f9846f2d448228aa6d104fbcbf5318f2fef74bf6159daa559eaf0d22c48ba02
