[INFO] updating cached repository https://github.com/mdirkse/co2-exporter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1481fb8f245aaab19e01d04789963c38b3094c2
[INFO] testing mdirkse/co2-exporter against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdirkse%2Fco2-exporter" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdirkse/co2-exporter on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mdirkse/co2-exporter
[INFO] finished tweaking git repo https://github.com/mdirkse/co2-exporter
[INFO] tweaked toml for git repo https://github.com/mdirkse/co2-exporter written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mdirkse/co2-exporter already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a368f4d7dde101a580d93b49456cbd66800c32beeb3501eba0f349d10b8f69c8
[INFO] running `"docker" "start" "-a" "a368f4d7dde101a580d93b49456cbd66800c32beeb3501eba0f349d10b8f69c8"`
[INFO] [stderr]    Compiling protobuf v2.2.2
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.2.0
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]    Compiling co2_exporter v0.0.1 (/opt/rustwide/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 19.47s
[INFO] running `"docker" "inspect" "a368f4d7dde101a580d93b49456cbd66800c32beeb3501eba0f349d10b8f69c8"`
[INFO] running `"docker" "rm" "-f" "a368f4d7dde101a580d93b49456cbd66800c32beeb3501eba0f349d10b8f69c8"`
[INFO] [stdout] a368f4d7dde101a580d93b49456cbd66800c32beeb3501eba0f349d10b8f69c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4050e50c4422d5ad2fc42334db8da67fede655338cb89d715b4555e9e1f5e36c
[INFO] running `"docker" "start" "-a" "4050e50c4422d5ad2fc42334db8da67fede655338cb89d715b4555e9e1f5e36c"`
[INFO] [stderr]    Compiling co2_exporter v0.0.1 (/opt/rustwide/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 1.06s
[INFO] running `"docker" "inspect" "4050e50c4422d5ad2fc42334db8da67fede655338cb89d715b4555e9e1f5e36c"`
[INFO] running `"docker" "rm" "-f" "4050e50c4422d5ad2fc42334db8da67fede655338cb89d715b4555e9e1f5e36c"`
[INFO] [stdout] 4050e50c4422d5ad2fc42334db8da67fede655338cb89d715b4555e9e1f5e36c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] b0f1127f4e787abbae71e56a2aba7cd18bfd8be7aebd8198a1148f7fe4cf8dd1
[INFO] running `"docker" "start" "-a" "b0f1127f4e787abbae71e56a2aba7cd18bfd8be7aebd8198a1148f7fe4cf8dd1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/co2_exporter-853e6e22b124adbe
[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" "b0f1127f4e787abbae71e56a2aba7cd18bfd8be7aebd8198a1148f7fe4cf8dd1"`
[INFO] running `"docker" "rm" "-f" "b0f1127f4e787abbae71e56a2aba7cd18bfd8be7aebd8198a1148f7fe4cf8dd1"`
[INFO] [stdout] b0f1127f4e787abbae71e56a2aba7cd18bfd8be7aebd8198a1148f7fe4cf8dd1