[INFO] updating cached repository matklad/RobinHood
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matklad/RobinHood
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/RobinHood" "work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/RobinHood"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/RobinHood'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/RobinHood" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/RobinHood"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/RobinHood'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e5cb00a490059555959d12a4b56612613ecbad1
[INFO] sha for GitHub repo matklad/RobinHood: 0e5cb00a490059555959d12a4b56612613ecbad1
[INFO] validating manifest of matklad/RobinHood 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 matklad/RobinHood 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 matklad/RobinHood
[INFO] finished frobbing matklad/RobinHood
[INFO] frobbed toml for matklad/RobinHood written to work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/RobinHood/Cargo.toml
[INFO] started frobbing matklad/RobinHood
[INFO] finished frobbing matklad/RobinHood
[INFO] frobbed toml for matklad/RobinHood written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/RobinHood/Cargo.toml
[INFO] crate matklad/RobinHood 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 matklad/RobinHood 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-4/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/matklad/RobinHood:/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] 6d46cf770a5a914aa9eb5378490f277c6831eece22a347e16db39df8df5f9117
[INFO] running `"docker" "start" "-a" "6d46cf770a5a914aa9eb5378490f277c6831eece22a347e16db39df8df5f9117"`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling raw-cpuid v2.0.1
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.1/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(prelude_import, asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling mmap v0.1.1
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `raw-cpuid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6d46cf770a5a914aa9eb5378490f277c6831eece22a347e16db39df8df5f9117"`
[INFO] running `"docker" "rm" "-f" "6d46cf770a5a914aa9eb5378490f277c6831eece22a347e16db39df8df5f9117"`
[INFO] [stdout] 6d46cf770a5a914aa9eb5378490f277c6831eece22a347e16db39df8df5f9117