[INFO] fetching crate beem 0.1.1...
[INFO] checking beem-0.1.1 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate beem 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate beem 0.1.1
[INFO] finished tweaking crates.io crate beem 0.1.1
[INFO] tweaked toml for crates.io crate beem 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate beem 0.1.1 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding weev v0.3.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded weev v0.3.1
[INFO] [stderr]   Downloaded mutex_trait2 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067b54a128f72c85769805313a8dda29f2538bb782ee5c2ee4b12ea47145080c
[INFO] running `Command { std: "docker" "start" "-a" "067b54a128f72c85769805313a8dda29f2538bb782ee5c2ee4b12ea47145080c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067b54a128f72c85769805313a8dda29f2538bb782ee5c2ee4b12ea47145080c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067b54a128f72c85769805313a8dda29f2538bb782ee5c2ee4b12ea47145080c", kill_on_drop: false }`
[INFO] [stdout] 067b54a128f72c85769805313a8dda29f2538bb782ee5c2ee4b12ea47145080c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9be105d1dd3781e33a99be922d510f94763898458c03edd0f8c146db084b06c
[INFO] running `Command { std: "docker" "start" "-a" "f9be105d1dd3781e33a99be922d510f94763898458c03edd0f8c146db084b06c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking mutex_trait2 v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking weev v0.3.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking beem v0.1.1 (/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:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn accept(&mut self, seed: &[u8]) -> Result<Self,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] 12 -     async fn accept(&mut self, seed: &[u8]) -> Result<Self,Self::Error>;
[INFO] [stdout] 12 +     fn accept(&mut self, seed: &[u8]) -> impl std::future::Future<Output = Result<Self,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:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn offer(&mut self) -> Result<Self,ReadExactError<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] 13 -     async fn offer(&mut self) -> Result<Self,ReadExactError<Self::Error>>;
[INFO] [stdout] 13 +     fn offer(&mut self) -> impl std::future::Future<Output = Result<Self,ReadExactError<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:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn accept(&mut self, seed: &[u8]) -> Result<Self,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] 12 -     async fn accept(&mut self, seed: &[u8]) -> Result<Self,Self::Error>;
[INFO] [stdout] 12 +     fn accept(&mut self, seed: &[u8]) -> impl std::future::Future<Output = Result<Self,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:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn offer(&mut self) -> Result<Self,ReadExactError<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] 13 -     async fn offer(&mut self) -> Result<Self,ReadExactError<Self::Error>>;
[INFO] [stdout] 13 +     fn offer(&mut self) -> impl std::future::Future<Output = Result<Self,ReadExactError<Self::Error>>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "f9be105d1dd3781e33a99be922d510f94763898458c03edd0f8c146db084b06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9be105d1dd3781e33a99be922d510f94763898458c03edd0f8c146db084b06c", kill_on_drop: false }`
[INFO] [stdout] f9be105d1dd3781e33a99be922d510f94763898458c03edd0f8c146db084b06c
