[INFO] fetching crate photon 0.0.1...
[INFO] checking photon-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate photon 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate photon 0.0.1
[INFO] finished tweaking crates.io crate photon 0.0.1
[INFO] tweaked toml for crates.io crate photon 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate photon 0.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393e2c7ce64a068f9d59b000c0bfbdef58cf4844d66032273b98d914f7fdc32d
[INFO] running `Command { std: "docker" "start" "-a" "393e2c7ce64a068f9d59b000c0bfbdef58cf4844d66032273b98d914f7fdc32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393e2c7ce64a068f9d59b000c0bfbdef58cf4844d66032273b98d914f7fdc32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393e2c7ce64a068f9d59b000c0bfbdef58cf4844d66032273b98d914f7fdc32d", kill_on_drop: false }`
[INFO] [stdout] 393e2c7ce64a068f9d59b000c0bfbdef58cf4844d66032273b98d914f7fdc32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa51fbd686e2c2692f59c645b7a489a1be20ea80e417f0f3742b392c65d3373c
[INFO] running `Command { std: "docker" "start" "-a" "aa51fbd686e2c2692f59c645b7a489a1be20ea80e417f0f3742b392c65d3373c", kill_on_drop: false }`
[INFO] [stderr]     Checking photon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   async fn started(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[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] 5 -   async fn started(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[INFO] [stdout] 5 +   fn started(&mut self, cx: &mut Self::Context) -> impl std::future::Future<Output = Result<(), Self::Error>> + 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/lib.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   async fn stopping(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[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] 6 -   async fn stopping(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[INFO] [stdout] 6 +   fn stopping(&mut self, cx: &mut Self::Context) -> impl std::future::Future<Output = Result<(), Self::Error>> + 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/lib.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   async fn handle(&mut self, message: M, cx: &mut Self::Context) -> Result<Self::Response, Self::Error>;
[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] 12 -   async fn handle(&mut self, message: M, cx: &mut Self::Context) -> Result<Self::Response, Self::Error>;
[INFO] [stdout] 12 +   fn handle(&mut self, message: M, cx: &mut Self::Context) -> impl std::future::Future<Output = Result<Self::Response, Self::Error>> + 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/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   async fn started(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[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] 5 -   async fn started(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[INFO] [stdout] 5 +   fn started(&mut self, cx: &mut Self::Context) -> impl std::future::Future<Output = Result<(), Self::Error>> + 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/lib.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   async fn stopping(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[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] 6 -   async fn stopping(&mut self, cx: &mut Self::Context) -> Result<(), Self::Error>;
[INFO] [stdout] 6 +   fn stopping(&mut self, cx: &mut Self::Context) -> impl std::future::Future<Output = Result<(), Self::Error>> + 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/lib.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   async fn handle(&mut self, message: M, cx: &mut Self::Context) -> Result<Self::Response, Self::Error>;
[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] 12 -   async fn handle(&mut self, message: M, cx: &mut Self::Context) -> Result<Self::Response, Self::Error>;
[INFO] [stdout] 12 +   fn handle(&mut self, message: M, cx: &mut Self::Context) -> impl std::future::Future<Output = Result<Self::Response, Self::Error>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "aa51fbd686e2c2692f59c645b7a489a1be20ea80e417f0f3742b392c65d3373c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa51fbd686e2c2692f59c645b7a489a1be20ea80e417f0f3742b392c65d3373c", kill_on_drop: false }`
[INFO] [stdout] aa51fbd686e2c2692f59c645b7a489a1be20ea80e417f0f3742b392c65d3373c