[INFO] updating cached repository pop-os/system76-power
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pop-os/system76-power
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pop-os/system76-power" "work/ex/beta-1.37-6/sources/1.36.0/gh/pop-os/system76-power"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pop-os/system76-power'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pop-os/system76-power" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pop-os/system76-power"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pop-os/system76-power'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d67e5aa03378a0c4792f138813481a79254b803
[INFO] sha for GitHub repo pop-os/system76-power: 5d67e5aa03378a0c4792f138813481a79254b803
[INFO] validating manifest of pop-os/system76-power on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pop-os/system76-power on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pop-os/system76-power
[INFO] finished frobbing pop-os/system76-power
[INFO] frobbed toml for pop-os/system76-power written to work/ex/beta-1.37-6/sources/1.36.0/gh/pop-os/system76-power/Cargo.toml
[INFO] started frobbing pop-os/system76-power
[INFO] finished frobbing pop-os/system76-power
[INFO] frobbed toml for pop-os/system76-power written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pop-os/system76-power/Cargo.toml
[INFO] crate pop-os/system76-power already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pop-os/system76-power against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pop-os/system76-power:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0b5c422c4f9944c28ce3de26f2988292f18e64ae31b276db83e57ee999c85481
[INFO] running `"docker" "start" "-a" "0b5c422c4f9944c28ce3de26f2988292f18e64ae31b276db83e57ee999c85481"`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling numtoa v0.2.3
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling sysfs-class v0.1.1 (https://github.com/pop-os/sysfs-class#7bc914e0)
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling dbus v0.6.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling vergen v0.1.1
[INFO] [stderr]    Compiling system76-power v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr]    Compiling intel-pstate v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "0b5c422c4f9944c28ce3de26f2988292f18e64ae31b276db83e57ee999c85481"`
[INFO] running `"docker" "rm" "-f" "0b5c422c4f9944c28ce3de26f2988292f18e64ae31b276db83e57ee999c85481"`
[INFO] [stdout] 0b5c422c4f9944c28ce3de26f2988292f18e64ae31b276db83e57ee999c85481
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pop-os/system76-power:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13623b367f02d2b4c7d787e51e515aae00bf3c03c0205d61d6575a41dcb6df58
[INFO] running `"docker" "start" "-a" "13623b367f02d2b4c7d787e51e515aae00bf3c03c0205d61d6575a41dcb6df58"`
[INFO] [stderr]    Compiling system76-power v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
[INFO] [stderr]   --> examples/fan.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let daemon = FanDaemon::new(false)?;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `system76_power::fan::FanDaemon`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::Try` is not implemented for `system76_power::fan::FanDaemon`
[INFO] [stderr]    = note: required by `std::ops::Try::into_result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `system76-power`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `cannonlake`
[INFO] [stderr]   --> examples/gpio.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn cannonlake() -> &'static [GpioCommunity<'static>] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "13623b367f02d2b4c7d787e51e515aae00bf3c03c0205d61d6575a41dcb6df58"`
[INFO] running `"docker" "rm" "-f" "13623b367f02d2b4c7d787e51e515aae00bf3c03c0205d61d6575a41dcb6df58"`
[INFO] [stdout] 13623b367f02d2b4c7d787e51e515aae00bf3c03c0205d61d6575a41dcb6df58