[INFO] cloning repository https://github.com/mikekap/wink-mqtt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikekap/wink-mqtt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikekap%2Fwink-mqtt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikekap%2Fwink-mqtt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f4446cf77dfc8bc015a9c5c20c8a32c903885e1
[INFO] checking mikekap/wink-mqtt-rs against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikekap%2Fwink-mqtt-rs" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikekap/wink-mqtt-rs on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-36/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mikekap/wink-mqtt-rs
[INFO] finished tweaking git repo https://github.com/mikekap/wink-mqtt-rs
[INFO] tweaked toml for git repo https://github.com/mikekap/wink-mqtt-rs written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/mikekap/wink-mqtt-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac2b9b7d6184f4b64389eaab7e23cb41c08f5033be834ba7c2c48d334440b90
[INFO] running `Command { std: "docker" "start" "-a" "eac2b9b7d6184f4b64389eaab7e23cb41c08f5033be834ba7c2c48d334440b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac2b9b7d6184f4b64389eaab7e23cb41c08f5033be834ba7c2c48d334440b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac2b9b7d6184f4b64389eaab7e23cb41c08f5033be834ba7c2c48d334440b90", kill_on_drop: false }`
[INFO] [stdout] eac2b9b7d6184f4b64389eaab7e23cb41c08f5033be834ba7c2c48d334440b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a80a96acf72273ba76734d0c9971e57938598edfca8173365708bdce8850e362
[INFO] running `Command { std: "docker" "start" "-a" "a80a96acf72273ba76734d0c9971e57938598edfca8173365708bdce8850e362", kill_on_drop: false }`
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[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking wink-mqtt-rs v0.2.3-prerelease (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `attribute_type`
[INFO] [stdout]    --> src/controller.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn attribute_type(&self) -> Option<AttributeType> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/controller.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn new() -> AprontestController {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]   --> src/http.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     config: Config,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shutdown_signal`
[INFO] [stdout]   --> src/http.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     shutdown_signal: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/controller.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn new() -> AprontestController {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]   --> src/http.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     config: Config,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shutdown_signal`
[INFO] [stdout]   --> src/http.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     shutdown_signal: Sender<()>,
[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 26.66s
[INFO] running `Command { std: "docker" "inspect" "a80a96acf72273ba76734d0c9971e57938598edfca8173365708bdce8850e362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80a96acf72273ba76734d0c9971e57938598edfca8173365708bdce8850e362", kill_on_drop: false }`
[INFO] [stdout] a80a96acf72273ba76734d0c9971e57938598edfca8173365708bdce8850e362