[INFO] fetching crate kyoto_network 0.1.0...
[INFO] testing kyoto_network-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kyoto_network 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate kyoto_network 0.1.0 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 kyoto_network 0.1.0
[INFO] finished tweaking crates.io crate kyoto_network 0.1.0
[INFO] tweaked toml for crates.io crate kyoto_network 0.1.0 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f24435bfecdb64b037e76c64e366d321038b2c0d47f7e8c940a1f45fd779e150
[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" "f24435bfecdb64b037e76c64e366d321038b2c0d47f7e8c940a1f45fd779e150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24435bfecdb64b037e76c64e366d321038b2c0d47f7e8c940a1f45fd779e150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24435bfecdb64b037e76c64e366d321038b2c0d47f7e8c940a1f45fd779e150", kill_on_drop: false }`
[INFO] [stdout] f24435bfecdb64b037e76c64e366d321038b2c0d47f7e8c940a1f45fd779e150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 24cd1acd96499e33c8f4d38b35cce8a9ec7a9179a1df8ae534852b2207411e0f
[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" "24cd1acd96499e33c8f4d38b35cce8a9ec7a9179a1df8ae534852b2207411e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling kyoto_protocol v0.1.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling kyoto_data v0.1.0
[INFO] [stderr]    Compiling kyoto_machine v0.1.0
[INFO] [stderr]    Compiling kyoto_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error_type`
[INFO] [stdout]   --> src/network_handler.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "24cd1acd96499e33c8f4d38b35cce8a9ec7a9179a1df8ae534852b2207411e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cd1acd96499e33c8f4d38b35cce8a9ec7a9179a1df8ae534852b2207411e0f", kill_on_drop: false }`
[INFO] [stdout] 24cd1acd96499e33c8f4d38b35cce8a9ec7a9179a1df8ae534852b2207411e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0f15f0ee12e6007b71e86969c48aa1f652af0f26b5fdadde1fe8a17fca13763
[INFO] running `Command { std: "docker" "start" "-a" "c0f15f0ee12e6007b71e86969c48aa1f652af0f26b5fdadde1fe8a17fca13763", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `error_type`
[INFO] [stdout]   --> src/network_handler.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kyoto_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error_type`
[INFO] [stdout]   --> src/network_handler.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "c0f15f0ee12e6007b71e86969c48aa1f652af0f26b5fdadde1fe8a17fca13763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f15f0ee12e6007b71e86969c48aa1f652af0f26b5fdadde1fe8a17fca13763", kill_on_drop: false }`
[INFO] [stdout] c0f15f0ee12e6007b71e86969c48aa1f652af0f26b5fdadde1fe8a17fca13763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9ea188fb4fe0a24b53ee9aa67233b59239624cde714395b8dd70c4d9d7359cb6
[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" "9ea188fb4fe0a24b53ee9aa67233b59239624cde714395b8dd70c4d9d7359cb6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `error_type`
[INFO] [stderr]   --> src/network_handler.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |             Response::Error{ error_type, message } => {
[INFO] [stderr]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kyoto_network` (lib) generated 1 warning
[INFO] [stderr] warning: `kyoto_network` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kyoto_network-e782154ecccc7217)
[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] [stderr]    Doc-tests kyoto_network
[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" "9ea188fb4fe0a24b53ee9aa67233b59239624cde714395b8dd70c4d9d7359cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea188fb4fe0a24b53ee9aa67233b59239624cde714395b8dd70c4d9d7359cb6", kill_on_drop: false }`
[INFO] [stdout] 9ea188fb4fe0a24b53ee9aa67233b59239624cde714395b8dd70c4d9d7359cb6