[INFO] crate bcm2709-spi 0.1.1 is already in cache
[INFO] testing bcm2709-spi-0.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate bcm2709-spi 0.1.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate bcm2709-spi 0.1.1 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 crates.io crate bcm2709-spi 0.1.1
[INFO] finished tweaking crates.io crate bcm2709-spi 0.1.1
[INFO] tweaked toml for crates.io crate bcm2709-spi 0.1.1 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] acf26f4c8934a4fce68ac6ce3848ed76b9d9dea3fa87954b6be34695a8d730f8
[INFO] running `"docker" "start" "-a" "acf26f4c8934a4fce68ac6ce3848ed76b9d9dea3fa87954b6be34695a8d730f8"`
[INFO] [stderr]    Compiling bcm2709-spi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:526:30
[INFO] [stderr]     |
[INFO] [stderr] 526 |             fd = libc::open( "/dev/mem".as_ptr() as *const u8, libc::O_RDWR | libc::O_SYNC | libc::O_CLOEXEC );
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i8, found u8
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*const i8`
[INFO] [stderr]                found type `*const u8`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `bcm2709-spi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "acf26f4c8934a4fce68ac6ce3848ed76b9d9dea3fa87954b6be34695a8d730f8"`
[INFO] running `"docker" "rm" "-f" "acf26f4c8934a4fce68ac6ce3848ed76b9d9dea3fa87954b6be34695a8d730f8"`
[INFO] [stdout] acf26f4c8934a4fce68ac6ce3848ed76b9d9dea3fa87954b6be34695a8d730f8