[INFO] fetching crate kyoto_network 0.1.0...
[INFO] checking kyoto_network-0.1.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate kyoto_network 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate kyoto_network 0.1.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", 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] 1074ecb9494c8b933e9fa22fb65bc23b31d0367eec77c216520e3065cfe75321
[INFO] running `Command { std: "docker" "start" "-a" "1074ecb9494c8b933e9fa22fb65bc23b31d0367eec77c216520e3065cfe75321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1074ecb9494c8b933e9fa22fb65bc23b31d0367eec77c216520e3065cfe75321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1074ecb9494c8b933e9fa22fb65bc23b31d0367eec77c216520e3065cfe75321", kill_on_drop: false }`
[INFO] [stdout] 1074ecb9494c8b933e9fa22fb65bc23b31d0367eec77c216520e3065cfe75321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1504d3c7762925856de5d3bbbd1af4e6ab6cc1f54e2358d0a038cbbd4a4bbf5
[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" "a1504d3c7762925856de5d3bbbd1af4e6ab6cc1f54e2358d0a038cbbd4a4bbf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking kyoto_protocol v0.1.0
[INFO] [stderr]     Checking kyoto_data v0.1.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking kyoto_machine v0.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.89s
[INFO] running `Command { std: "docker" "inspect" "a1504d3c7762925856de5d3bbbd1af4e6ab6cc1f54e2358d0a038cbbd4a4bbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1504d3c7762925856de5d3bbbd1af4e6ab6cc1f54e2358d0a038cbbd4a4bbf5", kill_on_drop: false }`
[INFO] [stdout] a1504d3c7762925856de5d3bbbd1af4e6ab6cc1f54e2358d0a038cbbd4a4bbf5