[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikekap%2Fwink-mqtt-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikekap/wink-mqtt-rs on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/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-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.2.2
[INFO] [stderr]   Downloaded include-flate-codegen-exports v0.1.3
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded include-flate-codegen v0.1.3
[INFO] [stderr]   Downloaded mqtt4bytes v0.3.0
[INFO] [stderr]   Downloaded pollster v0.2.0
[INFO] [stderr]   Downloaded slog-term v2.6.0
[INFO] [stderr]   Downloaded slog-stdlog v4.1.0
[INFO] [stderr]   Downloaded slog-scope v4.3.0
[INFO] [stderr]   Downloaded subprocess v0.2.6
[INFO] [stderr]   Downloaded rumqttc v0.2.0
[INFO] [stderr]   Downloaded rust-embed-impl v5.7.0
[INFO] [stderr]   Downloaded arc-swap v0.4.8
[INFO] [stderr]   Downloaded include-flate v0.1.3
[INFO] [stderr]   Downloaded rust-embed-utils v5.1.0
[INFO] [stderr]   Downloaded rust-embed v5.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e74b16810719ddf56cbe8e81c4aee6da8a62f9a6df38118056e9ca690989f121
[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" "e74b16810719ddf56cbe8e81c4aee6da8a62f9a6df38118056e9ca690989f121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e74b16810719ddf56cbe8e81c4aee6da8a62f9a6df38118056e9ca690989f121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74b16810719ddf56cbe8e81c4aee6da8a62f9a6df38118056e9ca690989f121", kill_on_drop: false }`
[INFO] [stdout] e74b16810719ddf56cbe8e81c4aee6da8a62f9a6df38118056e9ca690989f121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf3145e3ecd9bf1fba39d8a9b45b74570c4b678b4c6848c89fd8a655c29e50c
[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" "6cf3145e3ecd9bf1fba39d8a9b45b74570c4b678b4c6848c89fd8a655c29e50c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking pollster v0.2.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking simple-error v0.2.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking mqtt4bytes v0.3.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rust-embed-utils v5.1.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking subprocess v0.2.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling include-flate-codegen v0.1.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling rust-embed-impl v5.7.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking include-flate-codegen-exports v0.1.3
[INFO] [stderr]     Checking include-flate v0.1.3
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking rust-embed v5.7.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking rumqttc v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking serde_json v1.0.60
[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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.79s
[INFO] running `Command { std: "docker" "inspect" "6cf3145e3ecd9bf1fba39d8a9b45b74570c4b678b4c6848c89fd8a655c29e50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf3145e3ecd9bf1fba39d8a9b45b74570c4b678b4c6848c89fd8a655c29e50c", kill_on_drop: false }`
[INFO] [stdout] 6cf3145e3ecd9bf1fba39d8a9b45b74570c4b678b4c6848c89fd8a655c29e50c