[INFO] cloning repository mdirkse/co2-exporter
[INFO] running `"git" "clone" "--bare" "git://github.com/mdirkse/co2-exporter.git" "work/cache/sources/gh/mdirkse/co2-exporter"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mdirkse/co2-exporter'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mdirkse/co2-exporter" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mdirkse/co2-exporter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mdirkse/co2-exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdirkse/co2-exporter" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mdirkse/co2-exporter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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 master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdirkse/co2-exporter on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mdirkse/co2-exporter/Cargo.toml
[INFO] crate mdirkse/co2-exporter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mdirkse/co2-exporter against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mdirkse/co2-exporter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b979bbb467630dc3d242949eef17756dc99e6d11de7b316759cb38977159eaef
[INFO] running `"docker" "start" "-a" "b979bbb467630dc3d242949eef17756dc99e6d11de7b316759cb38977159eaef"`
[INFO] [stderr]    Compiling protobuf v2.2.2
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking serialport v3.2.0
[INFO] [stderr]     Checking 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] 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 16.07s
[INFO] running `"docker" "inspect" "b979bbb467630dc3d242949eef17756dc99e6d11de7b316759cb38977159eaef"`
[INFO] running `"docker" "rm" "-f" "b979bbb467630dc3d242949eef17756dc99e6d11de7b316759cb38977159eaef"`
[INFO] [stdout] b979bbb467630dc3d242949eef17756dc99e6d11de7b316759cb38977159eaef