Dec 03 00:38:21.171 INFO testing network-packet-0.1.1 against 1.30.1 for beta-1.31-5
Dec 03 00:38:21.171 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 03 00:38:21.315 INFO [stdout] aafe6cbb4eaed69677b2c73d44ac7f73f5350af373750a5060b17d302b6b794d
Dec 03 00:38:21.317 INFO running `"docker" "start" "-a" "aafe6cbb4eaed69677b2c73d44ac7f73f5350af373750a5060b17d302b6b794d"`
Dec 03 00:38:21.740 INFO [stderr] usermod: no changes
Dec 03 00:38:21.792 INFO [stderr]    Compiling network-packet v0.1.1 (/source)
Dec 03 00:38:22.473 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:38:22.473 INFO [stderr]  --> src/lib.rs:7:1
Dec 03 00:38:22.473 INFO [stderr]   |
Dec 03 00:38:22.473 INFO [stderr] 7 | #![feature(const_fn)]
Dec 03 00:38:22.473 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:38:22.473 INFO [stderr] 
Dec 03 00:38:22.473 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:38:22.473 INFO [stderr]  --> src/lib.rs:8:1
Dec 03 00:38:22.473 INFO [stderr]   |
Dec 03 00:38:22.473 INFO [stderr] 8 | #![feature(reverse_bits)]
Dec 03 00:38:22.473 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:38:22.473 INFO [stderr] 
Dec 03 00:38:22.473 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:38:22.473 INFO [stderr]  --> src/lib.rs:9:1
Dec 03 00:38:22.473 INFO [stderr]   |
Dec 03 00:38:22.473 INFO [stderr] 9 | #![feature(try_from)]
Dec 03 00:38:22.473 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:38:22.473 INFO [stderr] 
Dec 03 00:38:22.473 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:38:22.473 INFO [stderr]   --> src/lib.rs:10:1
Dec 03 00:38:22.473 INFO [stderr]    |
Dec 03 00:38:22.473 INFO [stderr] 10 | #![feature(untagged_unions)]
Dec 03 00:38:22.473 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:38:22.473 INFO [stderr] 
Dec 03 00:38:22.475 INFO [stderr] error: aborting due to 4 previous errors
Dec 03 00:38:22.475 INFO [stderr] 
Dec 03 00:38:22.475 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 00:38:22.480 INFO [stderr] error: Could not compile `network-packet`.
Dec 03 00:38:22.480 INFO [stderr] 
Dec 03 00:38:22.480 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 00:38:22.481 INFO [stderr] su: No module specific data is present
Dec 03 00:38:22.788 INFO running `"docker" "inspect" "aafe6cbb4eaed69677b2c73d44ac7f73f5350af373750a5060b17d302b6b794d"`
Dec 03 00:38:22.870 INFO running `"docker" "rm" "-f" "aafe6cbb4eaed69677b2c73d44ac7f73f5350af373750a5060b17d302b6b794d"`
Dec 03 00:38:22.975 INFO [stdout] aafe6cbb4eaed69677b2c73d44ac7f73f5350af373750a5060b17d302b6b794d