[INFO] cloning repository badrobotics/awranovsky_test
[INFO] running `"git" "clone" "--bare" "git://github.com/badrobotics/awranovsky_test.git" "work/cache/sources/gh/badrobotics/awranovsky_test"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/badrobotics/awranovsky_test'...
[INFO] running `"git" "clone" "work/cache/sources/gh/badrobotics/awranovsky_test" "work/ex/beta-1.37-6/sources/1.36.0/gh/badrobotics/awranovsky_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/badrobotics/awranovsky_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/badrobotics/awranovsky_test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badrobotics/awranovsky_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badrobotics/awranovsky_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7fcc40e7d6884331390cd08d0a9c46da1ed93963
[INFO] sha for GitHub repo badrobotics/awranovsky_test: 7fcc40e7d6884331390cd08d0a9c46da1ed93963
[INFO] validating manifest of badrobotics/awranovsky_test 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 badrobotics/awranovsky_test 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 badrobotics/awranovsky_test
[INFO] finished frobbing badrobotics/awranovsky_test
[INFO] frobbed toml for badrobotics/awranovsky_test written to work/ex/beta-1.37-6/sources/1.36.0/gh/badrobotics/awranovsky_test/Cargo.toml
[INFO] started frobbing badrobotics/awranovsky_test
[INFO] finished frobbing badrobotics/awranovsky_test
[INFO] frobbed toml for badrobotics/awranovsky_test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badrobotics/awranovsky_test/Cargo.toml
[INFO] crate badrobotics/awranovsky_test 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing badrobotics/awranovsky_test against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/badrobotics/awranovsky_test:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 38866b87461529f5ba12390d91da7dbd95258ecebc97648c7e45de088d11ab9e
[INFO] running `"docker" "start" "-a" "38866b87461529f5ba12390d91da7dbd95258ecebc97648c7e45de088d11ab9e"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[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 `vcell`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "38866b87461529f5ba12390d91da7dbd95258ecebc97648c7e45de088d11ab9e"`
[INFO] running `"docker" "rm" "-f" "38866b87461529f5ba12390d91da7dbd95258ecebc97648c7e45de088d11ab9e"`
[INFO] [stdout] 38866b87461529f5ba12390d91da7dbd95258ecebc97648c7e45de088d11ab9e