[INFO] cloning repository https://github.com/scan/tiny-chat-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scan/tiny-chat-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscan%2Ftiny-chat-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscan%2Ftiny-chat-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1cf137792333fcfa202a91984c2fbc93a4ed4fd
[INFO] testing scan/tiny-chat-api against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscan%2Ftiny-chat-api" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scan/tiny-chat-api on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scan/tiny-chat-api
[INFO] finished tweaking git repo https://github.com/scan/tiny-chat-api
[INFO] tweaked toml for git repo https://github.com/scan/tiny-chat-api written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/scan/tiny-chat-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/graphql-rust/juniper`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-enum v0.1.17
[INFO] [stderr]   Downloaded graphql-parser v0.3.0
[INFO] [stderr]   Downloaded smartstring v0.2.8
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] [stderr]   Downloaded brotli v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32a8b9c0721533ede4999defe7c61d8012ed63a3c800cd821af972fd18843fa8
[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" "32a8b9c0721533ede4999defe7c61d8012ed63a3c800cd821af972fd18843fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a8b9c0721533ede4999defe7c61d8012ed63a3c800cd821af972fd18843fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a8b9c0721533ede4999defe7c61d8012ed63a3c800cd821af972fd18843fa8", kill_on_drop: false }`
[INFO] [stdout] 32a8b9c0721533ede4999defe7c61d8012ed63a3c800cd821af972fd18843fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6303ef06bd9c176cbb1ed3e7bdff864561c88d8b9aa845ce47141e3179990505
[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" "6303ef06bd9c176cbb1ed3e7bdff864561c88d8b9aa845ce47141e3179990505", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling smartstring v0.2.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling postgres-protocol v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling futures-enum v0.1.17
[INFO] [stderr]    Compiling juniper_codegen v0.15.7 (https://github.com/graphql-rust/juniper?branch=master#39d1e434)
[INFO] [stderr]    Compiling brotli v3.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling graphql-parser v0.3.0
[INFO] [stderr]    Compiling async-compression v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling postgres-types v0.2.1
[INFO] [stderr]    Compiling bson v1.2.2
[INFO] [stderr]    Compiling jsonwebtoken v7.2.0
[INFO] [stderr]    Compiling tokio-postgres v0.7.2
[INFO] [stderr]    Compiling juniper v0.15.7 (https://github.com/graphql-rust/juniper?branch=master#39d1e434)
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling juniper_subscriptions v0.16.0 (https://github.com/graphql-rust/juniper?branch=master#39d1e434)
[INFO] [stderr]    Compiling juniper_graphql_ws v0.3.0 (https://github.com/graphql-rust/juniper?branch=master#39d1e434)
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling juniper_warp v0.7.0 (https://github.com/graphql-rust/juniper?branch=master#39d1e434)
[INFO] [stderr]    Compiling tinychat-api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/graphql/subscription.rs:15:52
[INFO] [stdout]     |
[INFO] [stdout] 12  | #[graphql_subscription(context = Context)]
[INFO] [stdout]     | ------------------------------------------ this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 15  |         let receiver = ctx.repo.register_listener()?;
[INFO] [stdout]     |                                                    ^ cannot use the `?` operator in an async block that returns `Pin<Box<crossbeam_channel::Receiver<repository::Message>>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, anyhow::Error>>` is not implemented for `Pin<Box<crossbeam_channel::Receiver<repository::Message>>>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `crossbeam_channel::Receiver<repository::Message>: futures::Stream` is not satisfied
[INFO] [stdout]   --> src/graphql/subscription.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[graphql_subscription(context = Context)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `futures::Stream` is not implemented for `crossbeam_channel::Receiver<repository::Message>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast to the object type `dyn futures::Stream<Item = Result<repository::Message, FieldError>> + std::marker::Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tinychat-api` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "6303ef06bd9c176cbb1ed3e7bdff864561c88d8b9aa845ce47141e3179990505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6303ef06bd9c176cbb1ed3e7bdff864561c88d8b9aa845ce47141e3179990505", kill_on_drop: false }`
[INFO] [stdout] 6303ef06bd9c176cbb1ed3e7bdff864561c88d8b9aa845ce47141e3179990505
