[INFO] fetching crate run-loop 0.1.1...
[INFO] testing run-loop-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate run-loop 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate run-loop 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate run-loop 0.1.1
[INFO] finished tweaking crates.io crate run-loop 0.1.1
[INFO] tweaked toml for crates.io crate run-loop 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a196640b964eaa20fd05a3ee4bd5f071bf3f4d10d0a6f2da507726655355db3b
[INFO] running `Command { std: "docker" "start" "-a" "a196640b964eaa20fd05a3ee4bd5f071bf3f4d10d0a6f2da507726655355db3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a196640b964eaa20fd05a3ee4bd5f071bf3f4d10d0a6f2da507726655355db3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a196640b964eaa20fd05a3ee4bd5f071bf3f4d10d0a6f2da507726655355db3b", kill_on_drop: false }`
[INFO] [stdout] a196640b964eaa20fd05a3ee4bd5f071bf3f4d10d0a6f2da507726655355db3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 800b8650687e2178c057ad48cb5f239da42771fbff30dbbc6a7d03c77e16c6d3
[INFO] running `Command { std: "docker" "start" "-a" "800b8650687e2178c057ad48cb5f239da42771fbff30dbbc6a7d03c77e16c6d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling run-loop v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]  --> src/linked_list.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::raw::TraitObject;
[INFO] [stdout]   |          ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(raw)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc_layout_extra)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(deadline_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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(rc_into_raw_non_null)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/linked_list.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 next: MaybeUninit::zeroed().assume_init(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^----------------
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this method call resolves to `T`
[INFO] [stdout]    |                       cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Arc<_>` in the current scope
[INFO] [stdout]    --> src/run_loop/mod.rs:198:44
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     (*list).push_back(Arc::into_raw_non_null(node));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^ function or associated item not found in `Arc<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `run-loop` due to 8 previous errors
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "800b8650687e2178c057ad48cb5f239da42771fbff30dbbc6a7d03c77e16c6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800b8650687e2178c057ad48cb5f239da42771fbff30dbbc6a7d03c77e16c6d3", kill_on_drop: false }`
[INFO] [stdout] 800b8650687e2178c057ad48cb5f239da42771fbff30dbbc6a7d03c77e16c6d3