[INFO] fetching crate run-loop 0.1.1...
[INFO] testing run-loop-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate run-loop 0.1.1 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate run-loop 0.1.1 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ecf9ca323517f8c58bcd225a44fc2564258d6a1bc94cd42d98f09a85aa0c7a1
[INFO] running `Command { std: "docker" "start" "-a" "3ecf9ca323517f8c58bcd225a44fc2564258d6a1bc94cd42d98f09a85aa0c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ecf9ca323517f8c58bcd225a44fc2564258d6a1bc94cd42d98f09a85aa0c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecf9ca323517f8c58bcd225a44fc2564258d6a1bc94cd42d98f09a85aa0c7a1", kill_on_drop: false }`
[INFO] [stdout] 3ecf9ca323517f8c58bcd225a44fc2564258d6a1bc94cd42d98f09a85aa0c7a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9b442ae8b0bc1e0751cb7f07cb66e3efe100d10f57c856324c691b1b27bd7d74
[INFO] running `Command { std: "docker" "start" "-a" "9b442ae8b0bc1e0751cb7f07cb66e3efe100d10f57c856324c691b1b27bd7d74", 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 stable 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 stable 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 stable 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 stable 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[E0635]: unknown feature `raw`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(raw)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `rc_into_raw_non_null`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(rc_into_raw_non_null)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[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] note: if you're trying to build a new `Arc<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Arc::<T>::new
[INFO] [stdout]       Arc::<T>::new_cyclic
[INFO] [stdout]       Arc::<T>::new_uninit
[INFO] [stdout]       Arc::<T>::new_zeroed
[INFO] [stdout]       and 18 others
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/sync.rs:406:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `run-loop` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "9b442ae8b0bc1e0751cb7f07cb66e3efe100d10f57c856324c691b1b27bd7d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b442ae8b0bc1e0751cb7f07cb66e3efe100d10f57c856324c691b1b27bd7d74", kill_on_drop: false }`
[INFO] [stdout] 9b442ae8b0bc1e0751cb7f07cb66e3efe100d10f57c856324c691b1b27bd7d74