[INFO] fetching crate spidriver-hal 0.1.0...
[INFO] extracting crate spidriver-hal 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/spidriver-hal/0.1.0
[INFO] extracting crate spidriver-hal 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spidriver-hal/0.1.0
[INFO] validating manifest of spidriver-hal-0.1.0 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 spidriver-hal-0.1.0 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 spidriver-hal-0.1.0
[INFO] finished frobbing spidriver-hal-0.1.0
[INFO] frobbed toml for spidriver-hal-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/spidriver-hal/0.1.0/Cargo.toml
[INFO] started frobbing spidriver-hal-0.1.0
[INFO] finished frobbing spidriver-hal-0.1.0
[INFO] frobbed toml for spidriver-hal-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spidriver-hal/0.1.0/Cargo.toml
[INFO] crate spidriver-hal-0.1.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spidriver v0.1.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spidriver-hal-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spidriver-hal/0.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b78889f14ccca3109d5216eb97ad128a3850ec0ee25eb54c6268566320513c3e
[INFO] running `"docker" "start" "-a" "b78889f14ccca3109d5216eb97ad128a3850ec0ee25eb54c6268566320513c3e"`
[INFO] [stderr]    Compiling spidriver v0.1.0
[INFO] [stderr]    Compiling spidriver-hal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "b78889f14ccca3109d5216eb97ad128a3850ec0ee25eb54c6268566320513c3e"`
[INFO] running `"docker" "rm" "-f" "b78889f14ccca3109d5216eb97ad128a3850ec0ee25eb54c6268566320513c3e"`
[INFO] [stdout] b78889f14ccca3109d5216eb97ad128a3850ec0ee25eb54c6268566320513c3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spidriver-hal/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a07df3a386b640c7dc9e967d1740f4894377b1571a302b54317a2142f8be6956
[INFO] running `"docker" "start" "-a" "a07df3a386b640c7dc9e967d1740f4894377b1571a302b54317a2142f8be6956"`
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling serial-embedded-hal v0.1.2
[INFO] [stderr]    Compiling spidriver-hal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "a07df3a386b640c7dc9e967d1740f4894377b1571a302b54317a2142f8be6956"`
[INFO] running `"docker" "rm" "-f" "a07df3a386b640c7dc9e967d1740f4894377b1571a302b54317a2142f8be6956"`
[INFO] [stdout] a07df3a386b640c7dc9e967d1740f4894377b1571a302b54317a2142f8be6956
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spidriver-hal/0.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 57799e3eba718f1eb36f1288b897f245f3173bfa1b90e8a01eb0ba1913aca6e3
[INFO] running `"docker" "start" "-a" "57799e3eba718f1eb36f1288b897f245f3173bfa1b90e8a01eb0ba1913aca6e3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spidriver_hal-d89a7f8303372082
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spidriver-hal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 20) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `SPIDriver`
[INFO] [stdout]  --> src/lib.rs:21:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | let sd = SPIDriver::new(rx, tx); // rx and tx obtained from some underlying platform crate
[INFO] [stdout]   |          ^^^^^^^^^ use of undeclared type or module `SPIDriver`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `SPIDriverHAL`
[INFO] [stdout]  --> src/lib.rs:22:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let parts = SPIDriverHAL::new(sd).split();
[INFO] [stdout]   |             ^^^^^^^^^^^^ use of undeclared type or module `SPIDriverHAL`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rx` in this scope
[INFO] [stdout]  --> src/lib.rs:21:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | let sd = SPIDriver::new(rx, tx); // rx and tx obtained from some underlying platform crate
[INFO] [stdout]   |                         ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tx` in this scope
[INFO] [stdout]  --> src/lib.rs:21:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | let sd = SPIDriver::new(rx, tx); // rx and tx obtained from some underlying platform crate
[INFO] [stdout]   |                             ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "57799e3eba718f1eb36f1288b897f245f3173bfa1b90e8a01eb0ba1913aca6e3"`
[INFO] running `"docker" "rm" "-f" "57799e3eba718f1eb36f1288b897f245f3173bfa1b90e8a01eb0ba1913aca6e3"`
[INFO] [stdout] 57799e3eba718f1eb36f1288b897f245f3173bfa1b90e8a01eb0ba1913aca6e3