[INFO] crate grideye 0.2.4 is already in cache
[INFO] testing grideye-0.2.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate grideye 0.2.4 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate grideye 0.2.4 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 grideye 0.2.4
[INFO] finished tweaking crates.io crate grideye 0.2.4
[INFO] tweaked toml for crates.io crate grideye 0.2.4 written to work/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 2a7b96b6d696bda9c339db92f4f8d9045b6abbf437910db0673c8077fc690459
[INFO] running `"docker" "start" "-a" "2a7b96b6d696bda9c339db92f4f8d9045b6abbf437910db0673c8077fc690459"`
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling grideye v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "2a7b96b6d696bda9c339db92f4f8d9045b6abbf437910db0673c8077fc690459"`
[INFO] running `"docker" "rm" "-f" "2a7b96b6d696bda9c339db92f4f8d9045b6abbf437910db0673c8077fc690459"`
[INFO] [stdout] 2a7b96b6d696bda9c339db92f4f8d9045b6abbf437910db0673c8077fc690459
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] ce9001d2d4b6eba1bace8b404e296dfe4c8ceebe54de486bfc3cd9544dd2031a
[INFO] running `"docker" "start" "-a" "ce9001d2d4b6eba1bace8b404e296dfe4c8ceebe54de486bfc3cd9544dd2031a"`
[INFO] [stderr]    Compiling i2cdev v0.4.2
[INFO] [stderr]    Compiling linux-embedded-hal v0.2.2
[INFO] [stderr]    Compiling grideye v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `cortex_m`
[INFO] [stderr]  --> examples/stm32.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | extern crate cortex_m;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `grideye`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ce9001d2d4b6eba1bace8b404e296dfe4c8ceebe54de486bfc3cd9544dd2031a"`
[INFO] running `"docker" "rm" "-f" "ce9001d2d4b6eba1bace8b404e296dfe4c8ceebe54de486bfc3cd9544dd2031a"`
[INFO] [stdout] ce9001d2d4b6eba1bace8b404e296dfe4c8ceebe54de486bfc3cd9544dd2031a