[INFO] fetching crate webtonic-server 0.1.0...
[INFO] testing webtonic-server-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate webtonic-server 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webtonic-server 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webtonic-server 0.1.0
[INFO] finished tweaking crates.io crate webtonic-server 0.1.0
[INFO] tweaked toml for crates.io crate webtonic-server 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb6b204370226f9d1062f60a6f9497796c60292ea2ed8cd9ad2f9019881bcca
[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" "4fb6b204370226f9d1062f60a6f9497796c60292ea2ed8cd9ad2f9019881bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb6b204370226f9d1062f60a6f9497796c60292ea2ed8cd9ad2f9019881bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb6b204370226f9d1062f60a6f9497796c60292ea2ed8cd9ad2f9019881bcca", kill_on_drop: false }`
[INFO] [stdout] 4fb6b204370226f9d1062f60a6f9497796c60292ea2ed8cd9ad2f9019881bcca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0479d2c15e57cbc7dfcf4e7b47c8a590022765d8cb87b9d0774376ef080af36a
[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" "0479d2c15e57cbc7dfcf4e7b47c8a590022765d8cb87b9d0774376ef080af36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling tonic v0.3.1
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling webtonic-proto v0.1.0
[INFO] [stderr]    Compiling webtonic-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "0479d2c15e57cbc7dfcf4e7b47c8a590022765d8cb87b9d0774376ef080af36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0479d2c15e57cbc7dfcf4e7b47c8a590022765d8cb87b9d0774376ef080af36a", kill_on_drop: false }`
[INFO] [stdout] 0479d2c15e57cbc7dfcf4e7b47c8a590022765d8cb87b9d0774376ef080af36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dec278c90860f996b223f652e4c9aa2af71bfd62753ac989045f3ae659b70ea
[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" "6dec278c90860f996b223f652e4c9aa2af71bfd62753ac989045f3ae659b70ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling webtonic-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "6dec278c90860f996b223f652e4c9aa2af71bfd62753ac989045f3ae659b70ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dec278c90860f996b223f652e4c9aa2af71bfd62753ac989045f3ae659b70ea", kill_on_drop: false }`
[INFO] [stdout] 6dec278c90860f996b223f652e4c9aa2af71bfd62753ac989045f3ae659b70ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17cbab9c1d1c7d1943b43329974f62b848b8eefb4da7d33646a10308f4043ad7
[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" "17cbab9c1d1c7d1943b43329974f62b848b8eefb4da7d33646a10308f4043ad7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/webtonic_server-112a7a6b5a9cee10
[INFO] [stderr]    Doc-tests webtonic-server
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - Server (line 36) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Server (line 36) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MyGreeter`
[INFO] [stdout]  --> src/lib.rs:37:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let greeter = MyGreeter::default();
[INFO] [stdout]   |               ^^^^^^^^^ use of undeclared type `MyGreeter`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `GreeterServer`
[INFO] [stdout]  --> src/lib.rs:40:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     .add_service(GreeterServer::new(greeter))
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ use of undeclared type `GreeterServer`
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:39:1
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn main() {
[INFO] [stdout]   |      ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 6 | / webtonic_server::Server::builder()
[INFO] [stdout] 7 | |     .add_service(GreeterServer::new(greeter))
[INFO] [stdout] 8 | |     .serve(([127, 0, 0, 1], 8080))
[INFO] [stdout] 9 | |     .await;
[INFO] [stdout]   | |__________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Server (line 36)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17cbab9c1d1c7d1943b43329974f62b848b8eefb4da7d33646a10308f4043ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17cbab9c1d1c7d1943b43329974f62b848b8eefb4da7d33646a10308f4043ad7", kill_on_drop: false }`
[INFO] [stdout] 17cbab9c1d1c7d1943b43329974f62b848b8eefb4da7d33646a10308f4043ad7