[INFO] updating cached repository merickson/mqtt_brewski
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/merickson/mqtt_brewski
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/merickson/mqtt_brewski" "work/ex/beta-1.38-1/sources/1.37.0/gh/merickson/mqtt_brewski"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/merickson/mqtt_brewski'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/merickson/mqtt_brewski" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/merickson/mqtt_brewski"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/merickson/mqtt_brewski'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5c9a50abd36fcf5d7f79c3aaf4393fabdc912ab
[INFO] sha for GitHub repo merickson/mqtt_brewski: a5c9a50abd36fcf5d7f79c3aaf4393fabdc912ab
[INFO] validating manifest of merickson/mqtt_brewski on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of merickson/mqtt_brewski on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing merickson/mqtt_brewski
[INFO] finished frobbing merickson/mqtt_brewski
[INFO] frobbed toml for merickson/mqtt_brewski written to work/ex/beta-1.38-1/sources/1.37.0/gh/merickson/mqtt_brewski/Cargo.toml
[INFO] started frobbing merickson/mqtt_brewski
[INFO] finished frobbing merickson/mqtt_brewski
[INFO] frobbed toml for merickson/mqtt_brewski written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/merickson/mqtt_brewski/Cargo.toml
[INFO] crate merickson/mqtt_brewski already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing merickson/mqtt_brewski against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/merickson/mqtt_brewski:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 239202b841786b602126d210dc2614a2ce7e1f35f8eda7b090df40a9f19dc2a2
[INFO] running `"docker" "start" "-a" "239202b841786b602126d210dc2614a2ce7e1f35f8eda7b090df40a9f19dc2a2"`
[INFO] [stderr]    Compiling fallible-iterator v0.1.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling rumqtt v0.10.1
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling mqtt_brewski v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/envpayload.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new() -> EnvSensorReading {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `temperature_f`
[INFO] [stderr]   --> src/envpayload.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn temperature_f(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pressure_bar`
[INFO] [stderr]   --> src/envpayload.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn pressure_bar(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.79s
[INFO] running `"docker" "inspect" "239202b841786b602126d210dc2614a2ce7e1f35f8eda7b090df40a9f19dc2a2"`
[INFO] running `"docker" "rm" "-f" "239202b841786b602126d210dc2614a2ce7e1f35f8eda7b090df40a9f19dc2a2"`
[INFO] [stdout] 239202b841786b602126d210dc2614a2ce7e1f35f8eda7b090df40a9f19dc2a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/merickson/mqtt_brewski:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2bc0388d57cf56038890dcf21c70d2950568de90cf75cda8636887c4d2a2473b
[INFO] running `"docker" "start" "-a" "2bc0388d57cf56038890dcf21c70d2950568de90cf75cda8636887c4d2a2473b"`
[INFO] [stderr]    Compiling mqtt_brewski v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/envpayload.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new() -> EnvSensorReading {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `temperature_f`
[INFO] [stderr]   --> src/envpayload.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn temperature_f(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pressure_bar`
[INFO] [stderr]   --> src/envpayload.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn pressure_bar(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "2bc0388d57cf56038890dcf21c70d2950568de90cf75cda8636887c4d2a2473b"`
[INFO] running `"docker" "rm" "-f" "2bc0388d57cf56038890dcf21c70d2950568de90cf75cda8636887c4d2a2473b"`
[INFO] [stdout] 2bc0388d57cf56038890dcf21c70d2950568de90cf75cda8636887c4d2a2473b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/merickson/mqtt_brewski:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1e4523796583a212e90d02cfacd967e26fc5e9c6fc5b1513025dd148cf8406cc
[INFO] running `"docker" "start" "-a" "1e4523796583a212e90d02cfacd967e26fc5e9c6fc5b1513025dd148cf8406cc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mqtt_brewski-faa26211da6a119b
[INFO] running `"docker" "inspect" "1e4523796583a212e90d02cfacd967e26fc5e9c6fc5b1513025dd148cf8406cc"`
[INFO] running `"docker" "rm" "-f" "1e4523796583a212e90d02cfacd967e26fc5e9c6fc5b1513025dd148cf8406cc"`
[INFO] [stdout] 1e4523796583a212e90d02cfacd967e26fc5e9c6fc5b1513025dd148cf8406cc