[INFO] fetching crate drpc 0.2.0...
[INFO] checking drpc-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate drpc 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate drpc 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drpc 0.2.0
[INFO] finished tweaking crates.io crate drpc 0.2.0
[INFO] tweaked toml for crates.io crate drpc 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dark-std v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1e5633130664eb51124b92c15303486f72c5a3999aacddde856b3da2414dce8
[INFO] running `Command { std: "docker" "start" "-a" "e1e5633130664eb51124b92c15303486f72c5a3999aacddde856b3da2414dce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e5633130664eb51124b92c15303486f72c5a3999aacddde856b3da2414dce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e5633130664eb51124b92c15303486f72c5a3999aacddde856b3da2414dce8", kill_on_drop: false }`
[INFO] [stdout] e1e5633130664eb51124b92c15303486f72c5a3999aacddde856b3da2414dce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f6ffb350215e436c1697efe17440337e6bc74301bffb56138a3cc102049468
[INFO] running `Command { std: "docker" "start" "-a" "78f6ffb350215e436c1697efe17440337e6bc74301bffb56138a3cc102049468", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking dark-std v0.2.11
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking drpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:183:49
[INFO] [stdout]     |
[INFO] [stdout] 183 |         load.put("127.0.0.1:13000".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:184:49
[INFO] [stdout]     |
[INFO] [stdout] 184 |         load.put("127.0.0.1:13001".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:186:59
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let old = load.put("127.0.0.1:13001".to_string()).await.unwrap();
[INFO] [stdout]     |                                                          -^^^^^
[INFO] [stdout]     |                                                          ||
[INFO] [stdout]     |                                                          |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                          help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:193:49
[INFO] [stdout]     |
[INFO] [stdout] 193 |         load.put("127.0.0.1:13000".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:194:49
[INFO] [stdout]     |
[INFO] [stdout] 194 |         load.put("127.0.0.1:13001".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:196:50
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let old = load.remove("127.0.0.1:13000").await.unwrap();
[INFO] [stdout]     |                                                 -^^^^^
[INFO] [stdout]     |                                                 ||
[INFO] [stdout]     |                                                 |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                 help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:203:49
[INFO] [stdout]     |
[INFO] [stdout] 203 |         load.put("127.0.0.1:13000".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:204:49
[INFO] [stdout]     |
[INFO] [stdout] 204 |         load.put("127.0.0.1:13001".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:205:49
[INFO] [stdout]     |
[INFO] [stdout] 205 |         load.put("127.0.0.1:13002".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]    --> src/balance.rs:206:49
[INFO] [stdout]     |
[INFO] [stdout] 206 |         load.put("127.0.0.1:13003".to_string()).await;
[INFO] [stdout]     |                                                -^^^^^
[INFO] [stdout]     |                                                ||
[INFO] [stdout]     |                                                |`std::option::Option<Arc<std::string::String>>` is not a future
[INFO] [stdout]     |                                                help: remove the `.await`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `futures::Future` is not implemented for `std::option::Option<Arc<std::string::String>>`, which is required by `std::option::Option<Arc<std::string::String>>: std::future::IntoFuture`
[INFO] [stdout]     = note: std::option::Option<Arc<std::string::String>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]     = note: required for `std::option::Option<Arc<std::string::String>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 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 `drpc` (lib test) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: `Option<Arc<C>>` is not a future
[INFO] [stdout]   --> benches/bench_balance.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |         .await;
[INFO] [stdout]    |         -^^^^^
[INFO] [stdout]    |         ||
[INFO] [stdout]    |         |`Option<Arc<C>>` is not a future
[INFO] [stdout]    |         help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Option<Arc<C>>`, which is required by `Option<Arc<C>>: std::future::IntoFuture`
[INFO] [stdout]    = note: Option<Arc<C>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Option<Arc<C>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<Arc<C>>` is not a future
[INFO] [stdout]   --> benches/bench_balance.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |         .await;
[INFO] [stdout]    |         -^^^^^
[INFO] [stdout]    |         ||
[INFO] [stdout]    |         |`Option<Arc<C>>` is not a future
[INFO] [stdout]    |         help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Option<Arc<C>>`, which is required by `Option<Arc<C>>: std::future::IntoFuture`
[INFO] [stdout]    = note: Option<Arc<C>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Option<Arc<C>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<Arc<C>>` is not a future
[INFO] [stdout]   --> benches/bench_balance.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |         .await;
[INFO] [stdout]    |         -^^^^^
[INFO] [stdout]    |         ||
[INFO] [stdout]    |         |`Option<Arc<C>>` is not a future
[INFO] [stdout]    |         help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Option<Arc<C>>`, which is required by `Option<Arc<C>>: std::future::IntoFuture`
[INFO] [stdout]    = note: Option<Arc<C>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Option<Arc<C>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<Arc<C>>` is not a future
[INFO] [stdout]   --> benches/bench_balance.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .await;
[INFO] [stdout]    |         -^^^^^
[INFO] [stdout]    |         ||
[INFO] [stdout]    |         |`Option<Arc<C>>` is not a future
[INFO] [stdout]    |         help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `futures::Future` is not implemented for `Option<Arc<C>>`, which is required by `Option<Arc<C>>: std::future::IntoFuture`
[INFO] [stdout]    = note: Option<Arc<C>> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Option<Arc<C>>` to implement `std::future::IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `drpc` (bench "bench_balance") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "78f6ffb350215e436c1697efe17440337e6bc74301bffb56138a3cc102049468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f6ffb350215e436c1697efe17440337e6bc74301bffb56138a3cc102049468", kill_on_drop: false }`
[INFO] [stdout] 78f6ffb350215e436c1697efe17440337e6bc74301bffb56138a3cc102049468
