[INFO] crate cluConstData 1.2.7 is already in cache
[INFO] testing cluConstData-1.2.7 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate cluConstData 1.2.7 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate cluConstData 1.2.7 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 cluConstData 1.2.7
[INFO] finished tweaking crates.io crate cluConstData 1.2.7
[INFO] tweaked toml for crates.io crate cluConstData 1.2.7 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cluConstData 1.2.7 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] f19ba64a7a5866e17940cc14b7cf729fe35040513663a92f8bd63f8794d749aa
[INFO] running `"docker" "start" "-a" "f19ba64a7a5866e17940cc14b7cf729fe35040513663a92f8bd63f8794d749aa"`
[INFO] [stderr]    Compiling cluFullTransmute v1.0.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.1/src/lib.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | #![feature(untagged_unions)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.1/src/lib.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | #![feature(const_fn)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.1/src/lib.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | #![feature(const_fn_union)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `cluFullTransmute`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f19ba64a7a5866e17940cc14b7cf729fe35040513663a92f8bd63f8794d749aa"`
[INFO] running `"docker" "rm" "-f" "f19ba64a7a5866e17940cc14b7cf729fe35040513663a92f8bd63f8794d749aa"`
[INFO] [stdout] f19ba64a7a5866e17940cc14b7cf729fe35040513663a92f8bd63f8794d749aa