[INFO] fetching crate drpc 0.2.0...
[INFO] testing drpc-0.2.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate drpc 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate drpc 0.2.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dark-std v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 162117a81a7a879d133a5b2c307032610f73b1c2b339a8571f551bfbc73fc1cb
[INFO] running `Command { std: "docker" "start" "-a" "162117a81a7a879d133a5b2c307032610f73b1c2b339a8571f551bfbc73fc1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162117a81a7a879d133a5b2c307032610f73b1c2b339a8571f551bfbc73fc1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162117a81a7a879d133a5b2c307032610f73b1c2b339a8571f551bfbc73fc1cb", kill_on_drop: false }`
[INFO] [stdout] 162117a81a7a879d133a5b2c307032610f73b1c2b339a8571f551bfbc73fc1cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba68ae960247ee063f18461ec23ea1363bded1d09e9fa246d2ee975055c4ef01
[INFO] running `Command { std: "docker" "start" "-a" "ba68ae960247ee063f18461ec23ea1363bded1d09e9fa246d2ee975055c4ef01", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling spin v0.9.8
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[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling dark-std v0.2.10
[INFO] [stderr]    Compiling drpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "ba68ae960247ee063f18461ec23ea1363bded1d09e9fa246d2ee975055c4ef01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba68ae960247ee063f18461ec23ea1363bded1d09e9fa246d2ee975055c4ef01", kill_on_drop: false }`
[INFO] [stdout] ba68ae960247ee063f18461ec23ea1363bded1d09e9fa246d2ee975055c4ef01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0515e08fa1fc1f5fc7bfd7b79b1704d7b98ed5bdfe318d67ae77f062d2125c88
[INFO] running `Command { std: "docker" "start" "-a" "0515e08fa1fc1f5fc7bfd7b79b1704d7b98ed5bdfe318d67ae77f062d2125c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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>>`
[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>>`
[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>>`
[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>>`
[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>>`
[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>>`
[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>>`
[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>>`
[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>>`
[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>>`
[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] running `Command { std: "docker" "inspect" "0515e08fa1fc1f5fc7bfd7b79b1704d7b98ed5bdfe318d67ae77f062d2125c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0515e08fa1fc1f5fc7bfd7b79b1704d7b98ed5bdfe318d67ae77f062d2125c88", kill_on_drop: false }`
[INFO] [stdout] 0515e08fa1fc1f5fc7bfd7b79b1704d7b98ed5bdfe318d67ae77f062d2125c88
