[INFO] fetching crate run-loop 0.1.1...
[INFO] checking run-loop-0.1.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate run-loop 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate run-loop 0.1.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e2ede18b217c7b3e4fe2fea155c9a477433c93bb1de4b31297a85f537c5e7ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e2ede18b217c7b3e4fe2fea155c9a477433c93bb1de4b31297a85f537c5e7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2ede18b217c7b3e4fe2fea155c9a477433c93bb1de4b31297a85f537c5e7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2ede18b217c7b3e4fe2fea155c9a477433c93bb1de4b31297a85f537c5e7ed", kill_on_drop: false }`
[INFO] [stdout] 5e2ede18b217c7b3e4fe2fea155c9a477433c93bb1de4b31297a85f537c5e7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a5b0c60da1101efd30b9f1bd96aeb2efe082c4f52d47dcdc4fd88a590df556
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76a5b0c60da1101efd30b9f1bd96aeb2efe082c4f52d47dcdc4fd88a590df556", kill_on_drop: false }`
[INFO] [stderr]     Checking 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[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[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[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] [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] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `run-loop`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "76a5b0c60da1101efd30b9f1bd96aeb2efe082c4f52d47dcdc4fd88a590df556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a5b0c60da1101efd30b9f1bd96aeb2efe082c4f52d47dcdc4fd88a590df556", kill_on_drop: false }`
[INFO] [stdout] 76a5b0c60da1101efd30b9f1bd96aeb2efe082c4f52d47dcdc4fd88a590df556