[INFO] updating cached repository babydragon/iot_center
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/babydragon/iot_center
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/babydragon/iot_center" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/babydragon/iot_center"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/babydragon/iot_center'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/babydragon/iot_center" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/babydragon/iot_center"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/babydragon/iot_center'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76662bbf4ba10275bc3cfbdba4cce9a8141303e2
[INFO] sha for GitHub repo babydragon/iot_center: 76662bbf4ba10275bc3cfbdba4cce9a8141303e2
[INFO] validating manifest of babydragon/iot_center on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of babydragon/iot_center on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing babydragon/iot_center
[INFO] finished frobbing babydragon/iot_center
[INFO] frobbed toml for babydragon/iot_center written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/babydragon/iot_center/Cargo.toml
[INFO] started frobbing babydragon/iot_center
[INFO] finished frobbing babydragon/iot_center
[INFO] frobbed toml for babydragon/iot_center written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/babydragon/iot_center/Cargo.toml
[INFO] crate babydragon/iot_center has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking babydragon/iot_center against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-6/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/babydragon/iot_center:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ef6bb0e1f4f89f36dcb97063ef368f19bd05de72b244236ae62736732b8fdc7
[INFO] running `"docker" "start" "-a" "7ef6bb0e1f4f89f36dcb97063ef368f19bd05de72b244236ae62736732b8fdc7"`
[INFO] [stderr]    Compiling openssl-sys v0.9.32
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking rusqlite v0.14.0
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking rumqtt v0.10.1
[INFO] [stderr]     Checking iot_center v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]  --> src/mqtt/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     client: MqttClient
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]  --> src/mqtt/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     client: MqttClient
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.98s
[INFO] running `"docker" "inspect" "7ef6bb0e1f4f89f36dcb97063ef368f19bd05de72b244236ae62736732b8fdc7"`
[INFO] running `"docker" "rm" "-f" "7ef6bb0e1f4f89f36dcb97063ef368f19bd05de72b244236ae62736732b8fdc7"`
[INFO] [stdout] 7ef6bb0e1f4f89f36dcb97063ef368f19bd05de72b244236ae62736732b8fdc7