[INFO] fetching crate jsonrpc-core 17.1.0...
[INFO] testing jsonrpc-core-17.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate jsonrpc-core 17.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jsonrpc-core 17.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-core 17.1.0
[INFO] finished tweaking crates.io crate jsonrpc-core 17.1.0
[INFO] tweaked toml for crates.io crate jsonrpc-core 17.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-core 17.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16499f8ea551f9918ac54b2ca45ea3d630bfa1d5e0a57a146034065f00475563
[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" "16499f8ea551f9918ac54b2ca45ea3d630bfa1d5e0a57a146034065f00475563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16499f8ea551f9918ac54b2ca45ea3d630bfa1d5e0a57a146034065f00475563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16499f8ea551f9918ac54b2ca45ea3d630bfa1d5e0a57a146034065f00475563", kill_on_drop: false }`
[INFO] [stdout] 16499f8ea551f9918ac54b2ca45ea3d630bfa1d5e0a57a146034065f00475563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc033c9f0ee592ecbdfd3b82a35010f3ac9285c0e9f49edde17e6868e70e8ddd
[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" "cc033c9f0ee592ecbdfd3b82a35010f3ac9285c0e9f49edde17e6868e70e8ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling jsonrpc-core v17.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.46s
[INFO] running `Command { std: "docker" "inspect" "cc033c9f0ee592ecbdfd3b82a35010f3ac9285c0e9f49edde17e6868e70e8ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc033c9f0ee592ecbdfd3b82a35010f3ac9285c0e9f49edde17e6868e70e8ddd", kill_on_drop: false }`
[INFO] [stdout] cc033c9f0ee592ecbdfd3b82a35010f3ac9285c0e9f49edde17e6868e70e8ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8f2946490e1163429f9ccd7fff86427ac4626fad5c22152fdd611c7eda41cdd
[INFO] running `Command { std: "docker" "start" "-a" "e8f2946490e1163429f9ccd7fff86427ac4626fad5c22152fdd611c7eda41cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonrpc-core v17.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "e8f2946490e1163429f9ccd7fff86427ac4626fad5c22152fdd611c7eda41cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f2946490e1163429f9ccd7fff86427ac4626fad5c22152fdd611c7eda41cdd", kill_on_drop: false }`
[INFO] [stdout] e8f2946490e1163429f9ccd7fff86427ac4626fad5c22152fdd611c7eda41cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b16c9e73e5fc55cdbf4e2bed10d4209e1186251080dbef25a1458940f5f3b7a
[INFO] running `Command { std: "docker" "start" "-a" "7b16c9e73e5fc55cdbf4e2bed10d4209e1186251080dbef25a1458940f5f3b7a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 32 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonrpc_core-3d23d7cc55b3084b)
[INFO] [stdout] test io::tests::test_extending_by_multiple_delegates ... ok
[INFO] [stdout] test io::tests::test_async_io_handler ... ok
[INFO] [stdout] test io::tests::test_io_handler_1dot0 ... ok
[INFO] [stdout] test io::tests::test_io_handler ... ok
[INFO] [stdout] test io::tests::test_send_sync ... ok
[INFO] [stdout] test io::tests::test_method_not_found ... ok
[INFO] [stdout] test types::id::tests::id_deserialization ... ok
[INFO] [stdout] test types::id::tests::id_serialization ... ok
[INFO] [stdout] test io::tests::test_notification ... ok
[INFO] [stdout] test types::params::tests::params_deserialization ... ok
[INFO] [stdout] test types::params::tests::single_param_parsed_as_tuple ... ok
[INFO] [stdout] test io::tests::test_notification_alias ... ok
[INFO] [stdout] test types::request::tests::notification_serialize ... ok
[INFO] [stdout] test types::request::tests::call_serialize ... ok
[INFO] [stdout] test types::request::tests::method_call_serialize ... ok
[INFO] [stdout] test types::response::batch_response_deserialize ... ok
[INFO] [stdout] test types::request::tests::request_invalid_returns_id ... ok
[INFO] [stdout] test types::request::tests::request_deserialize_batch ... ok
[INFO] [stdout] test io::tests::test_method_alias ... ok
[INFO] [stdout] test types::request::tests::notification_deserialize ... ok
[INFO] [stdout] test io::tests::test_batch_notification ... ok
[INFO] [stdout] test types::response::failure_output_deserialize ... ok
[INFO] [stdout] test types::request::tests::request_serialize_batch ... ok
[INFO] [stdout] test types::response::success_output_deserialize ... ok
[INFO] [stdout] test types::response::failure_output_serialize ... ok
[INFO] [stdout] test types::response::failure_output_serialize_jsonrpc_1 ... ok
[INFO] [stdout] test types::response::handle_incorrect_responses ... ok
[INFO] [stdout] test types::response::should_parse_empty_response_as_batch ... ok
[INFO] [stdout] test types::response::single_response_deserialize ... ok
[INFO] [stdout] test types::response::success_output_serialize ... ok
[INFO] [stdout] test types::params::tests::should_return_meaningful_error_when_deserialization_fails ... ok
[INFO] [stdout] test types::request::tests::call_deserialize ... ok
[INFO] [stderr]    Doc-tests jsonrpc-core
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b16c9e73e5fc55cdbf4e2bed10d4209e1186251080dbef25a1458940f5f3b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b16c9e73e5fc55cdbf4e2bed10d4209e1186251080dbef25a1458940f5f3b7a", kill_on_drop: false }`
[INFO] [stdout] 7b16c9e73e5fc55cdbf4e2bed10d4209e1186251080dbef25a1458940f5f3b7a