[INFO] fetching crate json-rpc2 0.11.1...
[INFO] checking json-rpc2-0.11.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate json-rpc2 0.11.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate json-rpc2 0.11.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate json-rpc2 0.11.1
[INFO] finished tweaking crates.io crate json-rpc2 0.11.1
[INFO] tweaked toml for crates.io crate json-rpc2 0.11.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate json-rpc2 0.11.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded mio v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.88
[INFO] [stderr]   Downloaded libc v0.2.120
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c8d534aa24f793010a283d7f1601bc26ef3a25622b02f53ca498b7361163af
[INFO] running `Command { std: "docker" "start" "-a" "63c8d534aa24f793010a283d7f1601bc26ef3a25622b02f53ca498b7361163af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c8d534aa24f793010a283d7f1601bc26ef3a25622b02f53ca498b7361163af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c8d534aa24f793010a283d7f1601bc26ef3a25622b02f53ca498b7361163af", kill_on_drop: false }`
[INFO] [stdout] 63c8d534aa24f793010a283d7f1601bc26ef3a25622b02f53ca498b7361163af
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6da17672bc859831fb434c8add88f2f23f01fa0d08dc029a252e031505f67186
[INFO] running `Command { std: "docker" "start" "-a" "6da17672bc859831fb434c8add88f2f23f01fa0d08dc029a252e031505f67186", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling syn v1.0.88
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking json-rpc2 v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `async_trait`
[INFO] [stdout]  --> src/futures.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `async_trait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `futures::Service` cannot be made into an object
[INFO] [stdout]   --> src/futures.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     services: Vec<&'a Box<dyn Service<Data = T>>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^ `futures::Service` cannot be made into an object
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]   --> src/futures.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Service: Send + Sync {
[INFO] [stdout]    |           ------- this trait cannot be made into an object...
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn handle(
[INFO] [stdout]    |              ^^^^^^ ...because method `handle` is `async`
[INFO] [stdout]    = help: consider moving `handle` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `futures::Service` cannot be made into an object
[INFO] [stdout]   --> src/futures.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for service in self.services.iter() {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ `futures::Service` cannot be made into an object
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]   --> src/futures.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Service: Send + Sync {
[INFO] [stdout]    |           ------- this trait cannot be made into an object...
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn handle(
[INFO] [stdout]    |              ^^^^^^ ...because method `handle` is `async`
[INFO] [stdout]    = help: consider moving `handle` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `futures::Service` cannot be made into an object
[INFO] [stdout]   --> src/futures.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             if let Some(result) = service.handle(request, ctx).await? {
[INFO] [stdout]    |                                           ^^^^^^ `futures::Service` cannot be made into an object
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]   --> src/futures.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Service: Send + Sync {
[INFO] [stdout]    |           ------- this trait cannot be made into an object...
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn handle(
[INFO] [stdout]    |              ^^^^^^ ...because method `handle` is `async`
[INFO] [stdout]    = help: consider moving `handle` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `futures::Service` cannot be made into an object
[INFO] [stdout]   --> src/futures.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |             if let Some(result) = service.handle(request, ctx).await? {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `futures::Service` cannot be made into an object
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]   --> src/futures.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Service: Send + Sync {
[INFO] [stdout]    |           ------- this trait cannot be made into an object...
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn handle(
[INFO] [stdout]    |              ^^^^^^ ...because method `handle` is `async`
[INFO] [stdout]    = help: consider moving `handle` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `futures::Service` cannot be made into an object
[INFO] [stdout]   --> src/futures.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new(services: Vec<&'a Box<dyn Service<Data = T>>>) -> Self {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^ `futures::Service` cannot be made into an object
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]   --> src/futures.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Service: Send + Sync {
[INFO] [stdout]    |           ------- this trait cannot be made into an object...
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn handle(
[INFO] [stdout]    |              ^^^^^^ ...because method `handle` is `async`
[INFO] [stdout]    = help: consider moving `handle` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0038, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `json_rpc2::futures`
[INFO] [stdout]  --> examples/async.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use json_rpc2::{futures::*, Request, Response, Result};
[INFO] [stdout]   |                 ^^^^^^^ could not find `futures` in `json_rpc2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_trait`
[INFO] [stdout]  --> examples/async.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `async_trait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-rpc2` (lib test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0405]: cannot find trait `Service` in this scope
[INFO] [stdout]  --> examples/async.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Service for ServiceHandler {
[INFO] [stdout]   |      ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 + use json_rpc2::Service;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Service` in this scope
[INFO] [stdout]   --> examples/async.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let service: Box<dyn Service<Data = ()>> = Box::new(ServiceHandler {});
[INFO] [stdout]    |                          ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  + use json_rpc2::Service;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Server`
[INFO] [stdout]   --> examples/async.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let server = Server::new(vec![&service]);
[INFO] [stdout]    |                  ^^^^^^ use of undeclared type `Server`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use json_rpc2::Server;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-rpc2` (example "async") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "6da17672bc859831fb434c8add88f2f23f01fa0d08dc029a252e031505f67186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da17672bc859831fb434c8add88f2f23f01fa0d08dc029a252e031505f67186", kill_on_drop: false }`
[INFO] [stdout] 6da17672bc859831fb434c8add88f2f23f01fa0d08dc029a252e031505f67186
