[INFO] updating cached repository futurice/rusty-build-light
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/futurice/rusty-build-light
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/futurice/rusty-build-light" "work/ex/beta-1.38-1/sources/1.37.0/gh/futurice/rusty-build-light"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/futurice/rusty-build-light'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/futurice/rusty-build-light" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/futurice/rusty-build-light"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/futurice/rusty-build-light'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba2aa17d559ea220ca6a3dcfac87e3068b7f802e
[INFO] sha for GitHub repo futurice/rusty-build-light: ba2aa17d559ea220ca6a3dcfac87e3068b7f802e
[INFO] validating manifest of futurice/rusty-build-light 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 futurice/rusty-build-light 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 futurice/rusty-build-light
[INFO] finished frobbing futurice/rusty-build-light
[INFO] frobbed toml for futurice/rusty-build-light written to work/ex/beta-1.38-1/sources/1.37.0/gh/futurice/rusty-build-light/Cargo.toml
[INFO] started frobbing futurice/rusty-build-light
[INFO] finished frobbing futurice/rusty-build-light
[INFO] frobbed toml for futurice/rusty-build-light written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/futurice/rusty-build-light/Cargo.toml
[INFO] crate futurice/rusty-build-light 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 futurice/rusty-build-light 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/futurice/rusty-build-light:/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] 3ca9839fb1aa5ff181767e3d290f616ba2b4a1b81cddefe50edd3c2219186f42
[INFO] running `"docker" "start" "-a" "3ca9839fb1aa5ff181767e3d290f616ba2b4a1b81cddefe50edd3c2219186f42"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_build_light v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling wiringpi v0.2.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling serde-value v0.5.1
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.3
[INFO] [stderr]    Compiling tokio-io v0.1.4
[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" "3ca9839fb1aa5ff181767e3d290f616ba2b4a1b81cddefe50edd3c2219186f42"`
[INFO] running `"docker" "rm" "-f" "3ca9839fb1aa5ff181767e3d290f616ba2b4a1b81cddefe50edd3c2219186f42"`
[INFO] [stdout] 3ca9839fb1aa5ff181767e3d290f616ba2b4a1b81cddefe50edd3c2219186f42