[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Fhomeqtt" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijagberg/homeqtt on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+beta" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b9765079403f57545489d4e226aa02ee75e01b9045aead7212834f93fa18850
[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" "6b9765079403f57545489d4e226aa02ee75e01b9045aead7212834f93fa18850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b9765079403f57545489d4e226aa02ee75e01b9045aead7212834f93fa18850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9765079403f57545489d4e226aa02ee75e01b9045aead7212834f93fa18850", kill_on_drop: false }`
[INFO] [stdout] 6b9765079403f57545489d4e226aa02ee75e01b9045aead7212834f93fa18850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41e040aed7cc6166e6d10847e1fdcafb77abc56c4842ecd4f09c3e151fce273
[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" "b41e040aed7cc6166e6d10847e1fdcafb77abc56c4842ecd4f09c3e151fce273", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.16.13
[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-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking rumq-core v0.1.0-alpha.10
[INFO] [stderr]     Checking tokio-rustls v0.13.0
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 a macro (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: 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:51:17
[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:51:17
[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 1m 19s
[INFO] running `Command { std: "docker" "inspect" "b41e040aed7cc6166e6d10847e1fdcafb77abc56c4842ecd4f09c3e151fce273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41e040aed7cc6166e6d10847e1fdcafb77abc56c4842ecd4f09c3e151fce273", kill_on_drop: false }`
[INFO] [stdout] b41e040aed7cc6166e6d10847e1fdcafb77abc56c4842ecd4f09c3e151fce273