[INFO] updating cached repository elefAntti/nelos_robo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elefAntti/nelos_robo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elefAntti/nelos_robo" "work/ex/beta-1.38-1/sources/1.37.0/gh/elefAntti/nelos_robo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elefAntti/nelos_robo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elefAntti/nelos_robo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elefAntti/nelos_robo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elefAntti/nelos_robo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e3047384235bc9bc799451354f962b8aa24f8c6
[INFO] sha for GitHub repo elefAntti/nelos_robo: 1e3047384235bc9bc799451354f962b8aa24f8c6
[INFO] validating manifest of elefAntti/nelos_robo on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elefAntti/nelos_robo on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elefAntti/nelos_robo
[INFO] finished frobbing elefAntti/nelos_robo
[INFO] frobbed toml for elefAntti/nelos_robo written to work/ex/beta-1.38-1/sources/1.37.0/gh/elefAntti/nelos_robo/Cargo.toml
[INFO] started frobbing elefAntti/nelos_robo
[INFO] finished frobbing elefAntti/nelos_robo
[INFO] frobbed toml for elefAntti/nelos_robo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elefAntti/nelos_robo/Cargo.toml
[INFO] crate elefAntti/nelos_robo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing elefAntti/nelos_robo against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elefAntti/nelos_robo:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 322278aeabc3505f22ff1bc74244d5715a8ce0d76d5b43ffe0e81fc67c8d0e5c
[INFO] running `"docker" "start" "-a" "322278aeabc3505f22ff1bc74244d5715a8ce0d76d5b43ffe0e81fc67c8d0e5c"`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `armv7-unknown-linux-gnueabihf` 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 `lazy_static`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "322278aeabc3505f22ff1bc74244d5715a8ce0d76d5b43ffe0e81fc67c8d0e5c"`
[INFO] running `"docker" "rm" "-f" "322278aeabc3505f22ff1bc74244d5715a8ce0d76d5b43ffe0e81fc67c8d0e5c"`
[INFO] [stdout] 322278aeabc3505f22ff1bc74244d5715a8ce0d76d5b43ffe0e81fc67c8d0e5c