[INFO] fetching crate json_rpc 0.2.0...
[INFO] testing json_rpc-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate json_rpc 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate json_rpc 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_rpc 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate json_rpc 0.2.0
[INFO] tweaked toml for crates.io crate json_rpc 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" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asynchronous v0.4.5
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 688bbd597134fd511dd338a09bda4fe3ab960907b0e77f8876505152d963b31f
[INFO] running `Command { std: "docker" "start" "-a" "688bbd597134fd511dd338a09bda4fe3ab960907b0e77f8876505152d963b31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "688bbd597134fd511dd338a09bda4fe3ab960907b0e77f8876505152d963b31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688bbd597134fd511dd338a09bda4fe3ab960907b0e77f8876505152d963b31f", kill_on_drop: false }`
[INFO] [stdout] 688bbd597134fd511dd338a09bda4fe3ab960907b0e77f8876505152d963b31f
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b401d3b485fd90b5dea0ef3213c711095c518034bee27110fe4ec844703b1a82
[INFO] running `Command { std: "docker" "start" "-a" "b401d3b485fd90b5dea0ef3213c711095c518034bee27110fe4ec844703b1a82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling asynchronous v0.4.5
[INFO] [stderr]    Compiling json_rpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: extern crate `rustc_serialize` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub use rustc_serialize as serialize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]    = note: `#[warn(pub_use_of_private_extern_crate)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 -32099 ... -32000 => "Server error".to_string(),
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:120:39
[INFO] [stdout]     |
[INFO] [stdout] 120 |     methods: BTreeMap<String, Arc<Box<Fn(Json) -> Result<Json,Error> + 'static + Send + Sync >>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     methods: BTreeMap<String, Arc<Box<dyn Fn(Json) -> Result<Json,Error> + 'static + Send + Sync >>>
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b401d3b485fd90b5dea0ef3213c711095c518034bee27110fe4ec844703b1a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b401d3b485fd90b5dea0ef3213c711095c518034bee27110fe4ec844703b1a82", kill_on_drop: false }`
[INFO] [stdout] b401d3b485fd90b5dea0ef3213c711095c518034bee27110fe4ec844703b1a82
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf3a0e23c9b68d3db08767c293d6aac0bc9ec6ec071251b74a224b6c516e3d3
[INFO] running `Command { std: "docker" "start" "-a" "6bf3a0e23c9b68d3db08767c293d6aac0bc9ec6ec071251b74a224b6c516e3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stdout] warning: extern crate `rustc_serialize` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub use rustc_serialize as serialize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]    = note: `#[warn(pub_use_of_private_extern_crate)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 -32099 ... -32000 => "Server error".to_string(),
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:120:39
[INFO] [stdout]     |
[INFO] [stdout] 120 |     methods: BTreeMap<String, Arc<Box<Fn(Json) -> Result<Json,Error> + 'static + Send + Sync >>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     methods: BTreeMap<String, Arc<Box<dyn Fn(Json) -> Result<Json,Error> + 'static + Send + Sync >>>
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling hyper v0.14.26
[INFO] [stderr]    Compiling json_rpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hyper::Server`
[INFO] [stdout]   --> examples/http_server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use hyper::Server as ServerHttp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Server` in the root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]    |
[INFO] [stdout] 11 | use json_rpc::Server as ServerHttp;
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::server`
[INFO] [stdout]   --> examples/http_server.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use hyper::server::{Request,Response};
[INFO] [stdout]    |            ^^^^^^ could not find `server` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `status` in `hyper`
[INFO] [stdout]   --> examples/http_server.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 |             _ => *res.status_mut() = hyper::status::StatusCode::MethodNotAllowed
[INFO] [stdout]    |                                             ^^^^^^ could not find `status` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find unit struct, unit variant or constant `Post` in crate `hyper`
[INFO] [stdout]   --> examples/http_server.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |             hyper::Post => {
[INFO] [stdout]    |                    ^^^^ not found in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `rustc_serialize` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub use rustc_serialize as serialize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]    = note: `#[warn(pub_use_of_private_extern_crate)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/basic.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         thread::sleep_ms(1000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 -32099 ... -32000 => "Server error".to_string(),
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> examples/basic.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |     thread::sleep_ms(2000);    
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:389:17
[INFO] [stdout]     |
[INFO] [stdout] 389 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 438 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:470:17
[INFO] [stdout]     |
[INFO] [stdout] 470 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:510:17
[INFO] [stdout]     |
[INFO] [stdout] 510 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/lib.rs:564:17
[INFO] [stdout]     |
[INFO] [stdout] 564 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:120:39
[INFO] [stdout]     |
[INFO] [stdout] 120 |     methods: BTreeMap<String, Arc<Box<Fn(Json) -> Result<Json,Error> + 'static + Send + Sync >>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     methods: BTreeMap<String, Arc<Box<dyn Fn(Json) -> Result<Json,Error> + 'static + Send + Sync >>>
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> examples/basic.rs:111:16
[INFO] [stdout]     |
[INFO] [stdout] 111 |        rpc_server.request(str_request.clone(), move |str_response| {
[INFO] [stdout]     |  _________________^^^^^^^____________________-_-
[INFO] [stdout]     | | ___________________________________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 112 | ||         println!("Executed: \n   request  = {},\n   response = {}", str_request, str_response);
[INFO] [stdout] 113 | ||     });
[INFO] [stdout]     | ||     -
[INFO] [stdout]     | ||_____|
[INFO] [stdout]     |  |_____unexpected argument of type `[closure@examples/basic.rs:111:45: 111:64]`
[INFO] [stdout]     |        help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn request(&self, str_request:String) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_rpc` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> examples/http_server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> examples/http_server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0531.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_rpc` due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6bf3a0e23c9b68d3db08767c293d6aac0bc9ec6ec071251b74a224b6c516e3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf3a0e23c9b68d3db08767c293d6aac0bc9ec6ec071251b74a224b6c516e3d3", kill_on_drop: false }`
[INFO] [stdout] 6bf3a0e23c9b68d3db08767c293d6aac0bc9ec6ec071251b74a224b6c516e3d3
