Dec 02 18:41:25.874 INFO testing rust-freqdist-0.1.5 against 1.30.1 for beta-1.31-5
Dec 02 18:41:25.875 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 18:41:26.291 INFO [stdout] 34203ec788492b95eed580342ad5e09256dfabef947e6083e2d37b1c48be3a2c
Dec 02 18:41:26.298 INFO running `"docker" "start" "-a" "34203ec788492b95eed580342ad5e09256dfabef947e6083e2d37b1c48be3a2c"`
Dec 02 18:41:27.306 INFO [stderr] usermod: no changes
Dec 02 18:41:27.339 INFO [stderr]    Compiling rust-freqdist v0.1.5 (/source)
Dec 02 18:41:28.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 02 18:41:28.033 INFO [stderr] su: No module specific data is present
Dec 02 18:41:28.404 INFO running `"docker" "inspect" "34203ec788492b95eed580342ad5e09256dfabef947e6083e2d37b1c48be3a2c"`
Dec 02 18:41:28.472 INFO running `"docker" "rm" "-f" "34203ec788492b95eed580342ad5e09256dfabef947e6083e2d37b1c48be3a2c"`
Dec 02 18:41:28.558 INFO [stdout] 34203ec788492b95eed580342ad5e09256dfabef947e6083e2d37b1c48be3a2c
Dec 02 18:41:28.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 18:41:28.799 INFO [stdout] cb4d97477599b5029fa8aabc5aed172ff9a138633c7ed6568a4d6637f283bae4
Dec 02 18:41:28.804 INFO running `"docker" "start" "-a" "cb4d97477599b5029fa8aabc5aed172ff9a138633c7ed6568a4d6637f283bae4"`
Dec 02 18:41:29.291 INFO [stderr] usermod: no changes
Dec 02 18:41:29.317 INFO [stderr]    Compiling rust-freqdist v0.1.5 (/source)
Dec 02 18:41:29.898 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 18:41:29.898 INFO [stderr]   --> src/lib.rs:29:19
Dec 02 18:41:29.898 INFO [stderr]    |
Dec 02 18:41:29.898 INFO [stderr] 29 | #![cfg_attr(test, feature(test))]
Dec 02 18:41:29.898 INFO [stderr]    |                   ^^^^^^^^^^^^^^
Dec 02 18:41:29.898 INFO [stderr] 
Dec 02 18:41:29.898 INFO [stderr] error: aborting due to previous error
Dec 02 18:41:29.898 INFO [stderr] 
Dec 02 18:41:29.898 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:41:29.901 INFO [stderr] error: Could not compile `rust-freqdist`.
Dec 02 18:41:29.901 INFO [stderr] 
Dec 02 18:41:29.901 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:41:29.901 INFO [stderr] su: No module specific data is present
Dec 02 18:41:30.182 INFO running `"docker" "inspect" "cb4d97477599b5029fa8aabc5aed172ff9a138633c7ed6568a4d6637f283bae4"`
Dec 02 18:41:30.264 INFO running `"docker" "rm" "-f" "cb4d97477599b5029fa8aabc5aed172ff9a138633c7ed6568a4d6637f283bae4"`
Dec 02 18:41:30.361 INFO [stdout] cb4d97477599b5029fa8aabc5aed172ff9a138633c7ed6568a4d6637f283bae4
