[INFO] fetching crate rs-jsonrpc-core 8.0.0...
[INFO] checking rs-jsonrpc-core-8.0.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate rs-jsonrpc-core 8.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rs-jsonrpc-core 8.0.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rs-jsonrpc-core 8.0.0
[INFO] finished tweaking crates.io crate rs-jsonrpc-core 8.0.0
[INFO] tweaked toml for crates.io crate rs-jsonrpc-core 8.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d36f5d1d6ebfc0799ff2f968b5dc3338a88b5fbcba110fe7df2d6231f85b5e4
[INFO] running `"docker" "start" "-a" "1d36f5d1d6ebfc0799ff2f968b5dc3338a88b5fbcba110fe7df2d6231f85b5e4"`
[INFO] [stderr]     Checking rs-jsonrpc-core v8.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/types/error.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let code: i64 = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/types/request.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/types/request.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/types/response.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/types/response.rs:126:18
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calls.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Method(Arc<RpcMethod<T>>),
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn RpcMethod<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calls.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Notification(Arc<RpcNotification<T>>),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RpcNotification<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type FutureResponse = Box<Future<Item=Option<Response>, Error=()> + Send>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<Response>, Error=()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Box<Future<Item=Option<Output>, Error=()> + Send>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<Output>, Error=()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io.rs:223:37
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let call_method = |method: &Arc<RpcMethod<T>>| {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn RpcMethod<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     type Future = Box<Future<Item=Option<Response>, Error=()> + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<Response>, Error=()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type BoxFuture<T> = Box<futures::Future<Item = T, Error = Error> + Send>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item = T, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/types/error.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let code: i64 = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/types/request.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/types/request.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/types/response.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/types/response.rs:126:18
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calls.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Method(Arc<RpcMethod<T>>),
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn RpcMethod<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/calls.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Notification(Arc<RpcNotification<T>>),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RpcNotification<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type FutureResponse = Box<Future<Item=Option<Response>, Error=()> + Send>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<Response>, Error=()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Box<Future<Item=Option<Output>, Error=()> + Send>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<Output>, Error=()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/io.rs:223:37
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let call_method = |method: &Arc<RpcMethod<T>>| {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn RpcMethod<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/middleware.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     type Future = Box<Future<Item=Option<Response>, Error=()> + Send>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<Response>, Error=()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type BoxFuture<T> = Box<futures::Future<Item = T, Error = Error> + Send>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item = T, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `"docker" "inspect" "1d36f5d1d6ebfc0799ff2f968b5dc3338a88b5fbcba110fe7df2d6231f85b5e4"`
[INFO] running `"docker" "rm" "-f" "1d36f5d1d6ebfc0799ff2f968b5dc3338a88b5fbcba110fe7df2d6231f85b5e4"`
[INFO] [stdout] 1d36f5d1d6ebfc0799ff2f968b5dc3338a88b5fbcba110fe7df2d6231f85b5e4