[INFO] updating cached repository lhess/wtf-btn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lhess/wtf-btn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lhess/wtf-btn" "work/ex/beta-1.38-1/sources/1.37.0/gh/lhess/wtf-btn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lhess/wtf-btn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lhess/wtf-btn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhess/wtf-btn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhess/wtf-btn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5615e1d0c4116c4d7e9cdaf26a6579ee5e51e92
[INFO] sha for GitHub repo lhess/wtf-btn: a5615e1d0c4116c4d7e9cdaf26a6579ee5e51e92
[INFO] validating manifest of lhess/wtf-btn 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 lhess/wtf-btn 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 lhess/wtf-btn
[INFO] finished frobbing lhess/wtf-btn
[INFO] frobbed toml for lhess/wtf-btn written to work/ex/beta-1.38-1/sources/1.37.0/gh/lhess/wtf-btn/Cargo.toml
[INFO] started frobbing lhess/wtf-btn
[INFO] finished frobbing lhess/wtf-btn
[INFO] frobbed toml for lhess/wtf-btn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhess/wtf-btn/Cargo.toml
[INFO] crate lhess/wtf-btn 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lhess/wtf-btn against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhess/wtf-btn:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7355294cbcf1b7c3ef511b14fece3f1b6d4201185587701277eed6771762dfb0
[INFO] running `"docker" "start" "-a" "7355294cbcf1b7c3ef511b14fece3f1b6d4201185587701277eed6771762dfb0"`
[INFO] [stderr]    Compiling spin_sleep v0.3.5
[INFO] [stderr]    Compiling wiringpi v0.2.4
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr] error: could not find native static library `wiringpi`, perhaps an -L flag is missing?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `wiringpi`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7355294cbcf1b7c3ef511b14fece3f1b6d4201185587701277eed6771762dfb0"`
[INFO] running `"docker" "rm" "-f" "7355294cbcf1b7c3ef511b14fece3f1b6d4201185587701277eed6771762dfb0"`
[INFO] [stdout] 7355294cbcf1b7c3ef511b14fece3f1b6d4201185587701277eed6771762dfb0