[INFO] crate atsamx7x-hal 0.0.1 is already in cache
[INFO] testing atsamx7x-hal-0.0.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate atsamx7x-hal 0.0.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate atsamx7x-hal 0.0.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate atsamx7x-hal 0.0.1
[INFO] finished tweaking crates.io crate atsamx7x-hal 0.0.1
[INFO] tweaked toml for crates.io crate atsamx7x-hal 0.0.1 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5a8357f4297ebe2c87ba45ba9153e010c717f57acdb6afa06782ffad963a65ef
[INFO] running `"docker" "start" "-a" "5a8357f4297ebe2c87ba45ba9153e010c717f57acdb6afa06782ffad963a65ef"`
[INFO] [stderr]    Compiling atsamx7x-hal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing crate `target_device`?
[INFO] [stderr]   --> src/serial.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::target_device::{
[INFO] [stderr]    |            ^^^^^^^^^^^^^ maybe a missing crate `target_device`?
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crate::target_device`
[INFO] [stderr]  --> src/serial.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::target_device::{ UART0, UART1, UART2, USART0, USART1 };
[INFO] [stderr]   |            ^^^^^^^^^^^^^ maybe a missing crate `target_device`?
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UARTRegisterBlock` in this scope
[INFO] [stderr]    --> src/serial.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn write_uart(regs: &UARTRegisterBlock, word: u8) -> nb::Result<(), Error> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `USARTRegisterBlock` in this scope
[INFO] [stderr]    --> src/serial.rs:125:23
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn write_usart(regs: &USARTRegisterBlock, word: u8) -> nb::Result<(), Error> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UARTRegisterBlock` in this scope
[INFO] [stderr]    --> src/serial.rs:135:22
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn flush_uart(regs: &UARTRegisterBlock) -> nb::Result<(), Error> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `USARTRegisterBlock` in this scope
[INFO] [stderr]    --> src/serial.rs:143:23
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn flush_usart(regs: &USARTRegisterBlock) -> nb::Result<(), Error> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `atsamx7x-hal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5a8357f4297ebe2c87ba45ba9153e010c717f57acdb6afa06782ffad963a65ef"`
[INFO] running `"docker" "rm" "-f" "5a8357f4297ebe2c87ba45ba9153e010c717f57acdb6afa06782ffad963a65ef"`
[INFO] [stdout] 5a8357f4297ebe2c87ba45ba9153e010c717f57acdb6afa06782ffad963a65ef