[INFO] cloning repository https://github.com/rootkill-g/groove-throttle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rootkill-g/groove-throttle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootkill-g%2Fgroove-throttle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootkill-g%2Fgroove-throttle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4f346879bc1908aa67ba63fccd53802c0b1ffd9
[INFO] checking rootkill-g/groove-throttle against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootkill-g%2Fgroove-throttle" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rootkill-g/groove-throttle
[INFO] finished tweaking git repo https://github.com/rootkill-g/groove-throttle
[INFO] tweaked toml for git repo https://github.com/rootkill-g/groove-throttle written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rootkill-g/groove-throttle on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rootkill-g/groove-throttle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba21aeacd5275827a414a8a0b2c97841b3e2d56069ba298a94112002a6283a5
[INFO] running `Command { std: "docker" "start" "-a" "7ba21aeacd5275827a414a8a0b2c97841b3e2d56069ba298a94112002a6283a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba21aeacd5275827a414a8a0b2c97841b3e2d56069ba298a94112002a6283a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba21aeacd5275827a414a8a0b2c97841b3e2d56069ba298a94112002a6283a5", kill_on_drop: false }`
[INFO] [stdout] 7ba21aeacd5275827a414a8a0b2c97841b3e2d56069ba298a94112002a6283a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67ad5bb9bb3d5d28f37490f254613ccff83fd76663b549ce184907b57c52c99
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[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/ports.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     async fn multi_hgetall(
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]   |
[INFO] [stdout] 6 ~     fn multi_hgetall(
[INFO] [stdout] 7 |         &self,
[INFO] [stdout] 8 |         keys: &[String],
[INFO] [stdout] 9 ~     ) -> impl std::future::Future<Output = Result<Vec<HashMap<String, String>>, BoxError>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     async fn hgetall(&self, key: &str) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 10 -     async fn hgetall(&self, key: &str) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout] 10 +     fn hgetall(&self, key: &str) -> impl std::future::Future<Output = Result<HashMap<String, String>, BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     async fn write_cache_and_clear(
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 11 ~     fn write_cache_and_clear(
[INFO] [stdout] 12 |         &self,
[INFO] [stdout] ...
[INFO] [stdout] 15 |         cache_ttl: u64,
[INFO] [stdout] 16 ~     ) -> impl std::future::Future<Output = Result<(), BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     async fn set_inflight_fields(
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     fn set_inflight_fields(
[INFO] [stdout] 18 |         &self,
[INFO] [stdout] ...
[INFO] [stdout] 22 |         inflight_ttl: u64,
[INFO] [stdout] 23 ~     ) -> impl std::future::Future<Output = Result<(), BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     async fn find_by_urls(&self, urls: &[String]) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 27 -     async fn find_by_urls(&self, urls: &[String]) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout] 27 +     fn find_by_urls(&self, urls: &[String]) -> impl std::future::Future<Output = Result<HashMap<String, String>, BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     async fn send_batch(&self, urls: &[String]) -> Result<(), BoxError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 31 -     async fn send_batch(&self, urls: &[String]) -> Result<(), BoxError>;
[INFO] [stdout] 31 +     fn send_batch(&self, urls: &[String]) -> impl std::future::Future<Output = Result<(), BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/ports.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     async fn multi_hgetall(
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]   |
[INFO] [stdout] 6 ~     fn multi_hgetall(
[INFO] [stdout] 7 |         &self,
[INFO] [stdout] 8 |         keys: &[String],
[INFO] [stdout] 9 ~     ) -> impl std::future::Future<Output = Result<Vec<HashMap<String, String>>, BoxError>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     async fn hgetall(&self, key: &str) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 10 -     async fn hgetall(&self, key: &str) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout] 10 +     fn hgetall(&self, key: &str) -> impl std::future::Future<Output = Result<HashMap<String, String>, BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     async fn write_cache_and_clear(
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 11 ~     fn write_cache_and_clear(
[INFO] [stdout] 12 |         &self,
[INFO] [stdout] ...
[INFO] [stdout] 15 |         cache_ttl: u64,
[INFO] [stdout] 16 ~     ) -> impl std::future::Future<Output = Result<(), BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     async fn set_inflight_fields(
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     fn set_inflight_fields(
[INFO] [stdout] 18 |         &self,
[INFO] [stdout] ...
[INFO] [stdout] 22 |         inflight_ttl: u64,
[INFO] [stdout] 23 ~     ) -> impl std::future::Future<Output = Result<(), BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     async fn find_by_urls(&self, urls: &[String]) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 27 -     async fn find_by_urls(&self, urls: &[String]) -> Result<HashMap<String, String>, BoxError>;
[INFO] [stdout] 27 +     fn find_by_urls(&self, urls: &[String]) -> impl std::future::Future<Output = Result<HashMap<String, String>, BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/ports.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     async fn send_batch(&self, urls: &[String]) -> Result<(), BoxError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 31 -     async fn send_batch(&self, urls: &[String]) -> Result<(), BoxError>;
[INFO] [stdout] 31 +     fn send_batch(&self, urls: &[String]) -> impl std::future::Future<Output = Result<(), BoxError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.80s
[INFO] running `Command { std: "docker" "inspect" "b67ad5bb9bb3d5d28f37490f254613ccff83fd76663b549ce184907b57c52c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67ad5bb9bb3d5d28f37490f254613ccff83fd76663b549ce184907b57c52c99", kill_on_drop: false }`
[INFO] [stdout] b67ad5bb9bb3d5d28f37490f254613ccff83fd76663b549ce184907b57c52c99
