[INFO] updating cached repository mdirkse/co2-exporter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdirkse/co2-exporter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdirkse/co2-exporter" "work/ex/beta-1.38-1/sources/1.37.0/gh/mdirkse/co2-exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mdirkse/co2-exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdirkse/co2-exporter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdirkse/co2-exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdirkse/co2-exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1481fb8f245aaab19e01d04789963c38b3094c2
[INFO] sha for GitHub repo mdirkse/co2-exporter: d1481fb8f245aaab19e01d04789963c38b3094c2
[INFO] validating manifest of mdirkse/co2-exporter 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 mdirkse/co2-exporter 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 mdirkse/co2-exporter
[INFO] finished frobbing mdirkse/co2-exporter
[INFO] frobbed toml for mdirkse/co2-exporter written to work/ex/beta-1.38-1/sources/1.37.0/gh/mdirkse/co2-exporter/Cargo.toml
[INFO] started frobbing mdirkse/co2-exporter
[INFO] finished frobbing mdirkse/co2-exporter
[INFO] frobbed toml for mdirkse/co2-exporter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdirkse/co2-exporter/Cargo.toml
[INFO] crate mdirkse/co2-exporter 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 mdirkse/co2-exporter 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdirkse/co2-exporter:/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] 07663134733ec5cb96597b6bb16efbc65e2eb94665d2faae163d8ba19701ad00
[INFO] running `"docker" "start" "-a" "07663134733ec5cb96597b6bb16efbc65e2eb94665d2faae163d8ba19701ad00"`
[INFO] [stderr]    Compiling protobuf v2.2.2
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]    Compiling quick-error v0.2.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.2.0
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling co2_exporter v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:99:79
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn get_measurements(latest_measurement: &Arc<Mutex<Measurement>>, p: &mut Box<SerialPort>) {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.77s
[INFO] running `"docker" "inspect" "07663134733ec5cb96597b6bb16efbc65e2eb94665d2faae163d8ba19701ad00"`
[INFO] running `"docker" "rm" "-f" "07663134733ec5cb96597b6bb16efbc65e2eb94665d2faae163d8ba19701ad00"`
[INFO] [stdout] 07663134733ec5cb96597b6bb16efbc65e2eb94665d2faae163d8ba19701ad00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdirkse/co2-exporter:/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] 18d63591ac2a110c5dcba7e8fb46b755ac699d86ce9e6aff1e8b18bf2191f27a
[INFO] running `"docker" "start" "-a" "18d63591ac2a110c5dcba7e8fb46b755ac699d86ce9e6aff1e8b18bf2191f27a"`
[INFO] [stderr]    Compiling co2_exporter v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:99:79
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn get_measurements(latest_measurement: &Arc<Mutex<Measurement>>, p: &mut Box<SerialPort>) {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "18d63591ac2a110c5dcba7e8fb46b755ac699d86ce9e6aff1e8b18bf2191f27a"`
[INFO] running `"docker" "rm" "-f" "18d63591ac2a110c5dcba7e8fb46b755ac699d86ce9e6aff1e8b18bf2191f27a"`
[INFO] [stdout] 18d63591ac2a110c5dcba7e8fb46b755ac699d86ce9e6aff1e8b18bf2191f27a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdirkse/co2-exporter:/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] d211da94ce79628ae24641a164f396b4fdccb1805d0709b7978fb7867f95ed41
[INFO] running `"docker" "start" "-a" "d211da94ce79628ae24641a164f396b4fdccb1805d0709b7978fb7867f95ed41"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/co2_exporter-3a6d5559b97be162
[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] running `"docker" "inspect" "d211da94ce79628ae24641a164f396b4fdccb1805d0709b7978fb7867f95ed41"`
[INFO] running `"docker" "rm" "-f" "d211da94ce79628ae24641a164f396b4fdccb1805d0709b7978fb7867f95ed41"`
[INFO] [stdout] d211da94ce79628ae24641a164f396b4fdccb1805d0709b7978fb7867f95ed41