[INFO] fetching crate webwire 0.3.0...
[INFO] testing webwire-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate webwire 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webwire 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webwire 0.3.0
[INFO] finished tweaking crates.io crate webwire 0.3.0
[INFO] tweaked toml for crates.io crate webwire 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00a18c5883963eb58d457a986825a5fa4e805891a199fd4926c10792d5e60ea1
[INFO] running `Command { std: "docker" "start" "-a" "00a18c5883963eb58d457a986825a5fa4e805891a199fd4926c10792d5e60ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a18c5883963eb58d457a986825a5fa4e805891a199fd4926c10792d5e60ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a18c5883963eb58d457a986825a5fa4e805891a199fd4926c10792d5e60ea1", kill_on_drop: false }`
[INFO] [stdout] 00a18c5883963eb58d457a986825a5fa4e805891a199fd4926c10792d5e60ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 180fe2fa53d757f7286cedb5d9e8ff42103b82d8234e193cf2c4b12031b8712b
[INFO] running `Command { std: "docker" "start" "-a" "180fe2fa53d757f7286cedb5d9e8ff42103b82d8234e193cf2c4b12031b8712b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling validator_types v0.12.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling websocket-codec v0.5.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling websocket-lite v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling validator v0.13.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-websocket-lite v0.5.0
[INFO] [stderr]    Compiling webwire v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/server/session.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:29:9
[INFO] [stdout]     |
[INFO] [stdout] 29  | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.08s
[INFO] running `Command { std: "docker" "inspect" "180fe2fa53d757f7286cedb5d9e8ff42103b82d8234e193cf2c4b12031b8712b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180fe2fa53d757f7286cedb5d9e8ff42103b82d8234e193cf2c4b12031b8712b", kill_on_drop: false }`
[INFO] [stdout] 180fe2fa53d757f7286cedb5d9e8ff42103b82d8234e193cf2c4b12031b8712b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd786165cb6664263d29fcecbfee9806bb71dbfc6e36bbbac7d33fffaa5a2ddf
[INFO] running `Command { std: "docker" "start" "-a" "bd786165cb6664263d29fcecbfee9806bb71dbfc6e36bbbac7d33fffaa5a2ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling webwire v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/server/session.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:29:9
[INFO] [stdout]     |
[INFO] [stdout] 29  | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "bd786165cb6664263d29fcecbfee9806bb71dbfc6e36bbbac7d33fffaa5a2ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd786165cb6664263d29fcecbfee9806bb71dbfc6e36bbbac7d33fffaa5a2ddf", kill_on_drop: false }`
[INFO] [stdout] bd786165cb6664263d29fcecbfee9806bb71dbfc6e36bbbac7d33fffaa5a2ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94351f3b1cdc753000b192a51881a84e0faccbdeb6fa4b2fafdf4560aa5c73a7
[INFO] running `Command { std: "docker" "start" "-a" "94351f3b1cdc753000b192a51881a84e0faccbdeb6fa4b2fafdf4560aa5c73a7", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server/session.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:29:9
[INFO] [stderr]     |
[INFO] [stderr] 29  | #![warn(missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `webwire` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webwire-d9eac6d5b2f19b4c)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test rpc::message::test_parse_disconnect ... ok
[INFO] [stdout] test rpc::message::test_parse_error_other ... ok
[INFO] [stdout] test rpc::message::test_parse_error_provider_error ... ok
[INFO] [stdout] test rpc::message::test_parse_error_service_not_found ... ok
[INFO] [stdout] test rpc::message::test_parse_error_method_not_found ... ok
[INFO] [stdout] test rpc::message::test_parse_response ... ok
[INFO] [stdout] test rpc::message::test_parse_request_no_data ... ok
[INFO] [stdout] test rpc::message::test_parse_heartbeat ... ok
[INFO] [stdout] test rpc::message::test_parse_request ... ok
[INFO] [stdout] test rpc::message::test_parse_notification ... ok
[INFO] [stdout] test rpc::message::test_parse_response_no_data ... ok
[INFO] [stdout] test rpc::message::test_parse_notification_no_data ... ok
[INFO] [stdout] test rpc::engine::tests::engine_response ... ok
[INFO] [stdout] test rpc::engine::tests::test_response_err_broadcast ... ok
[INFO] [stdout] test rpc::engine::tests::response_err_disconnected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests webwire
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94351f3b1cdc753000b192a51881a84e0faccbdeb6fa4b2fafdf4560aa5c73a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94351f3b1cdc753000b192a51881a84e0faccbdeb6fa4b2fafdf4560aa5c73a7", kill_on_drop: false }`
[INFO] [stdout] 94351f3b1cdc753000b192a51881a84e0faccbdeb6fa4b2fafdf4560aa5c73a7