[INFO] fetching crate tarpc-lib 0.7.0...
[INFO] checking tarpc-lib-0.7.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate tarpc-lib 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tarpc-lib 0.7.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tarpc-lib 0.7.0
[INFO] finished tweaking crates.io crate tarpc-lib 0.7.0
[INFO] tweaked toml for crates.io crate tarpc-lib 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967d5965770cef6469b859fbf137daeca3bfb8dec73ef07b8987e3a1d15d4616
[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" "967d5965770cef6469b859fbf137daeca3bfb8dec73ef07b8987e3a1d15d4616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967d5965770cef6469b859fbf137daeca3bfb8dec73ef07b8987e3a1d15d4616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967d5965770cef6469b859fbf137daeca3bfb8dec73ef07b8987e3a1d15d4616", kill_on_drop: false }`
[INFO] [stdout] 967d5965770cef6469b859fbf137daeca3bfb8dec73ef07b8987e3a1d15d4616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8269e5362f0e631ac0b9fb7b4723315c71b215ca5ad877abe30aa89d24daf41d
[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" "8269e5362f0e631ac0b9fb7b4723315c71b215ca5ad877abe30aa89d24daf41d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tarpc-trace v0.3.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-test-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tarpc-lib v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]    --> src/client/channel.rs:736:9
[INFO] [stdout]     |
[INFO] [stdout] 736 |     use tokio::runtime::current_thread;
[INFO] [stdout]     |         ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]   --> src/transport/channel.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[tokio::test]
[INFO] [stdout]    |       ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `current_thread`
[INFO] [stdout]    --> src/client/channel.rs:782:9
[INFO] [stdout]     |
[INFO] [stdout] 782 |         current_thread::Runtime::new().unwrap().block_on(f)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ use of undeclared type or module `current_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stdout]   --> src/transport/channel.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         tokio::spawn(
[INFO] [stdout]    |         ^^^^^ use of undeclared type or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handler`
[INFO] [stdout]   --> src/transport/channel.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |         server::{Handler, Server},
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `respond_with` found for opaque type `impl futures::Stream` in the current scope
[INFO] [stdout]    --> src/transport/channel.rs:98:18
[INFO] [stdout]     |
[INFO] [stdout] 98  |                 .respond_with(|_ctx, request: String| {
[INFO] [stdout]     |                  ^^^^^^^^^^^^ method not found in `impl futures::Stream`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `server::Channel` defines an item `respond_with`, perhaps you need to implement it
[INFO] [stdout]    --> src/server/mod.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | / pub trait Channel
[INFO] [stdout] 244 | | where
[INFO] [stdout] 245 | |     Self: Transport<Response<<Self as Channel>::Resp>, Request<<Self as Channel>::Req>>,
[INFO] [stdout] 246 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 288 | |     }
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `NewClient<client::channel::Channel<_, _>, RequestDispatch<_, _, UnboundedChannel<Response<_>, ClientMessage<_>>>>` in the current scope
[INFO] [stdout]    --> src/transport/channel.rs:108:81
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut client = client::new(client::Config::default(), client_channel).spawn()?;
[INFO] [stdout]     |                                                                                 ^^^^^ method not found in `NewClient<client::channel::Channel<_, _>, RequestDispatch<_, _, UnboundedChannel<Response<_>, ClientMessage<_>>>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/client/mod.rs:131:1
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct NewClient<C, D> {
[INFO] [stdout]     | -------------------------- method `spawn` not found for this
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `spawn`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `SpawnExt`
[INFO] [stdout]             candidate #2: `tokio_executor::executor::Executor`
[INFO] [stdout]             candidate #3: `tokio_executor::typed::TypedExecutor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> src/transport/channel.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let response1 = client.call(context::current(), "123".into()).await?;
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> src/transport/channel.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let response2 = client.call(context::current(), "abc".into()).await?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `weak_counts` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tarpc-lib`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8269e5362f0e631ac0b9fb7b4723315c71b215ca5ad877abe30aa89d24daf41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8269e5362f0e631ac0b9fb7b4723315c71b215ca5ad877abe30aa89d24daf41d", kill_on_drop: false }`
[INFO] [stdout] 8269e5362f0e631ac0b9fb7b4723315c71b215ca5ad877abe30aa89d24daf41d
