[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/babydragon/iot_center"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/babydragon/iot_center'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/babydragon/iot_center" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/babydragon/iot_center"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of babydragon/iot_center on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building babydragon/iot_center against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 69e3231aca4d6657e153cc41f6ad25ba7b4cc9cd54cde19e24b569e71024d275
[INFO] running `"docker" "start" "-a" "69e3231aca4d6657e153cc41f6ad25ba7b4cc9cd54cde19e24b569e71024d275"`
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]    Compiling openssl-sys v0.9.32
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling serde-value v0.5.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling rusqlite v0.14.0
[INFO] [stderr]    Compiling log4rs v0.8.0
[INFO] [stderr]    Compiling rumqtt v0.10.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 31.22s
[INFO] running `"docker" "inspect" "69e3231aca4d6657e153cc41f6ad25ba7b4cc9cd54cde19e24b569e71024d275"`
[INFO] running `"docker" "rm" "-f" "69e3231aca4d6657e153cc41f6ad25ba7b4cc9cd54cde19e24b569e71024d275"`
[INFO] [stdout] 69e3231aca4d6657e153cc41f6ad25ba7b4cc9cd54cde19e24b569e71024d275
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0033e34d6000bddbabb009f67c3078cfba9a6c9c7a2035b2db08e4ce7966e6e1
[INFO] running `"docker" "start" "-a" "0033e34d6000bddbabb009f67c3078cfba9a6c9c7a2035b2db08e4ce7966e6e1"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `"docker" "inspect" "0033e34d6000bddbabb009f67c3078cfba9a6c9c7a2035b2db08e4ce7966e6e1"`
[INFO] running `"docker" "rm" "-f" "0033e34d6000bddbabb009f67c3078cfba9a6c9c7a2035b2db08e4ce7966e6e1"`
[INFO] [stdout] 0033e34d6000bddbabb009f67c3078cfba9a6c9c7a2035b2db08e4ce7966e6e1