[INFO] cloning repository https://github.com/ijagberg/homeqtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ijagberg/homeqtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Fhomeqtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Fhomeqtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a466f90401cf49e929a163f27b41fd151c9a841c
[INFO] checking ijagberg/homeqtt against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Fhomeqtt" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijagberg/homeqtt 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] started tweaking git repo https://github.com/ijagberg/homeqtt
[INFO] finished tweaking git repo https://github.com/ijagberg/homeqtt
[INFO] tweaked toml for git repo https://github.com/ijagberg/homeqtt written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ijagberg/homeqtt 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] [stderr]   Downloaded tokio-rustls v0.13.0
[INFO] [stderr]   Downloaded async-trait v0.1.31
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded rumq-core v0.1.0-alpha.10
[INFO] [stderr]   Downloaded thiserror v1.0.18
[INFO] [stderr]   Downloaded cc v1.0.53
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded rumq-client v0.1.0-alpha.10
[INFO] [stderr]   Downloaded thiserror-impl v1.0.18
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded ring v0.16.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e78d9d68fd35ac21bf726c5802d62c8ccfb327a145c8fe970f7f4f7148c2fc88
[INFO] running `Command { std: "docker" "start" "-a" "e78d9d68fd35ac21bf726c5802d62c8ccfb327a145c8fe970f7f4f7148c2fc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e78d9d68fd35ac21bf726c5802d62c8ccfb327a145c8fe970f7f4f7148c2fc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78d9d68fd35ac21bf726c5802d62c8ccfb327a145c8fe970f7f4f7148c2fc88", kill_on_drop: false }`
[INFO] [stdout] e78d9d68fd35ac21bf726c5802d62c8ccfb327a145c8fe970f7f4f7148c2fc88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb4db3635e6b91af7c04fb59b1422ef590357504fee7a71bcbf6c46694ef8d93
[INFO] running `Command { std: "docker" "start" "-a" "fb4db3635e6b91af7c04fb59b1422ef590357504fee7a71bcbf6c46694ef8d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking ring v0.16.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.0
[INFO] [stderr]     Checking rumq-core v0.1.0-alpha.10
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking rumq-client v0.1.0-alpha.10
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking homeqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/mqtt/clients/mod.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             loop {
[INFO] [stdout] 60 | |                 self.tx
[INFO] [stdout] 61 | |                     .send(Request::Publish(Publish::new(
[INFO] [stdout] 62 | |                         "homeqtt/test",
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |                 tokio::time::delay_for(Duration::from_secs(1)).await;
[INFO] [stdout] 69 | |             }
[INFO] [stdout]    | |_____________- any code following this expression is unreachable
[INFO] [stdout] 70 | 
[INFO] [stdout] 71 |               info!("connected");
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `log` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mqtt/clients/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut stream = match self.eventloop.connect().await {
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/mqtt/clients/mod.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             loop {
[INFO] [stdout] 60 | |                 self.tx
[INFO] [stdout] 61 | |                     .send(Request::Publish(Publish::new(
[INFO] [stdout] 62 | |                         "homeqtt/test",
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |                 tokio::time::delay_for(Duration::from_secs(1)).await;
[INFO] [stdout] 69 | |             }
[INFO] [stdout]    | |_____________- any code following this expression is unreachable
[INFO] [stdout] 70 | 
[INFO] [stdout] 71 |               info!("connected");
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `log` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mqtt/clients/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut stream = match self.eventloop.connect().await {
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/mqtt/clients/mod.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut stream = match self.eventloop.connect().await {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/mqtt/clients/mod.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut stream = match self.eventloop.connect().await {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 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 58.48s
[INFO] running `Command { std: "docker" "inspect" "fb4db3635e6b91af7c04fb59b1422ef590357504fee7a71bcbf6c46694ef8d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4db3635e6b91af7c04fb59b1422ef590357504fee7a71bcbf6c46694ef8d93", kill_on_drop: false }`
[INFO] [stdout] fb4db3635e6b91af7c04fb59b1422ef590357504fee7a71bcbf6c46694ef8d93