[INFO] crate cluConstData 1.2.4 is already in cache
[INFO] extracting crate cluConstData 1.2.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/cluConstData/1.2.4
[INFO] extracting crate cluConstData 1.2.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluConstData/1.2.4
[INFO] validating manifest of cluConstData-1.2.4 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 cluConstData-1.2.4 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 cluConstData-1.2.4
[INFO] finished frobbing cluConstData-1.2.4
[INFO] frobbed toml for cluConstData-1.2.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cluConstData/1.2.4/Cargo.toml
[INFO] started frobbing cluConstData-1.2.4
[INFO] finished frobbing cluConstData-1.2.4
[INFO] frobbed toml for cluConstData-1.2.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluConstData/1.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cluConstData-1.2.4 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluConstData/1.2.4:/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] 1f7250627a24fd93fa95855de1030606f5cc72ff932c76d4b9b6f185515b13ff
[INFO] running `"docker" "start" "-a" "1f7250627a24fd93fa95855de1030606f5cc72ff932c76d4b9b6f185515b13ff"`
[INFO] [stderr]    Compiling cluConstData v1.2.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:186:1
[INFO] [stderr]     |
[INFO] [stderr] 186 | #![feature(const_fn_union)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:187:1
[INFO] [stderr]     |
[INFO] [stderr] 187 | #![feature(untagged_unions)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | #![feature(const_fn)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | #![feature(const_slice_len)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 | #![feature(const_str_as_bytes)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | #![feature(const_raw_ptr_deref)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | #![feature(const_str_len)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `cluConstData`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1f7250627a24fd93fa95855de1030606f5cc72ff932c76d4b9b6f185515b13ff"`
[INFO] running `"docker" "rm" "-f" "1f7250627a24fd93fa95855de1030606f5cc72ff932c76d4b9b6f185515b13ff"`
[INFO] [stdout] 1f7250627a24fd93fa95855de1030606f5cc72ff932c76d4b9b6f185515b13ff