[INFO] updating cached repository lambdabear/mqtt-demo2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lambdabear/mqtt-demo2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lambdabear/mqtt-demo2" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/lambdabear/mqtt-demo2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/lambdabear/mqtt-demo2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lambdabear/mqtt-demo2" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/lambdabear/mqtt-demo2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/lambdabear/mqtt-demo2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 967a9e48ae8b52eea2faca64d598beef4bb0f010
[INFO] sha for GitHub repo lambdabear/mqtt-demo2: 967a9e48ae8b52eea2faca64d598beef4bb0f010
[INFO] validating manifest of lambdabear/mqtt-demo2 on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lambdabear/mqtt-demo2 on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lambdabear/mqtt-demo2
[INFO] finished frobbing lambdabear/mqtt-demo2
[INFO] frobbed toml for lambdabear/mqtt-demo2 written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/lambdabear/mqtt-demo2/Cargo.toml
[INFO] started frobbing lambdabear/mqtt-demo2
[INFO] finished frobbing lambdabear/mqtt-demo2
[INFO] frobbed toml for lambdabear/mqtt-demo2 written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/lambdabear/mqtt-demo2/Cargo.toml
[INFO] crate lambdabear/mqtt-demo2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lambdabear/mqtt-demo2 against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-1/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/lambdabear/mqtt-demo2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 952c95f2f5adad90bae6b12bc6bf155518e44bb2d69e793b14a7ba53c75fd4c2
[INFO] running `"docker" "start" "-a" "952c95f2f5adad90bae6b12bc6bf155518e44bb2d69e793b14a7ba53c75fd4c2"`
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking tokio-rustls v0.8.1
[INFO] [stderr]     Checking rumqtt v0.30.1
[INFO] [stderr]     Checking mqtt-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `io::Write`, `io`
[INFO] [stderr]  --> src/main.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{io, io::Write, thread, time::Duration};
[INFO] [stderr]   |           ^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let handler = thread::spawn(move || loop {
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `io::Write`, `io`
[INFO] [stderr]  --> src/main.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{io, io::Write, thread, time::Duration};
[INFO] [stderr]   |           ^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handler`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let handler = thread::spawn(move || loop {
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_handler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `"docker" "inspect" "952c95f2f5adad90bae6b12bc6bf155518e44bb2d69e793b14a7ba53c75fd4c2"`
[INFO] running `"docker" "rm" "-f" "952c95f2f5adad90bae6b12bc6bf155518e44bb2d69e793b14a7ba53c75fd4c2"`
[INFO] [stdout] 952c95f2f5adad90bae6b12bc6bf155518e44bb2d69e793b14a7ba53c75fd4c2