Dec 03 00:50:39.580 INFO testing nb-sync-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 00:50:39.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 00:50:39.987 INFO [stdout] 3b2e474d2df32c655703a604b7d43279f5b5b34c4b14444c5a3603ab125434fa
Dec 03 00:50:39.989 INFO running `"docker" "start" "-a" "3b2e474d2df32c655703a604b7d43279f5b5b34c4b14444c5a3603ab125434fa"`
Dec 03 00:50:40.967 INFO [stderr] usermod: no changes
Dec 03 00:50:41.023 INFO [stderr]    Compiling nb-sync v0.2.0 (/source)
Dec 03 00:50:41.157 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 00:50:41.157 INFO [stderr]    --> src/lib.rs:134:1
Dec 03 00:50:41.157 INFO [stderr]     |
Dec 03 00:50:41.157 INFO [stderr] 134 | #![feature(const_fn)]
Dec 03 00:50:41.157 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:50:41.157 INFO [stderr] 
Dec 03 00:50:41.157 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 00:50:41.157 INFO [stderr]    --> src/lib.rs:135:1
Dec 03 00:50:41.157 INFO [stderr]     |
Dec 03 00:50:41.157 INFO [stderr] 135 | #![feature(optin_builtin_traits)]
Dec 03 00:50:41.157 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:50:41.157 INFO [stderr] 
Dec 03 00:50:41.157 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 00:50:41.157 INFO [stderr]    --> src/lib.rs:136:1
Dec 03 00:50:41.157 INFO [stderr]     |
Dec 03 00:50:41.157 INFO [stderr] 136 | #![feature(never_type)]
Dec 03 00:50:41.157 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:50:41.157 INFO [stderr] 
Dec 03 00:50:41.157 INFO [stderr] error: aborting due to 3 previous errors
Dec 03 00:50:41.157 INFO [stderr] 
Dec 03 00:50:41.157 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 00:50:41.163 INFO [stderr] error: Could not compile `nb-sync`.
Dec 03 00:50:41.163 INFO [stderr] 
Dec 03 00:50:41.163 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 00:50:41.170 INFO [stderr] su: No module specific data is present
Dec 03 00:50:41.807 INFO running `"docker" "inspect" "3b2e474d2df32c655703a604b7d43279f5b5b34c4b14444c5a3603ab125434fa"`
Dec 03 00:50:42.017 INFO running `"docker" "rm" "-f" "3b2e474d2df32c655703a604b7d43279f5b5b34c4b14444c5a3603ab125434fa"`
Dec 03 00:50:42.235 INFO [stdout] 3b2e474d2df32c655703a604b7d43279f5b5b34c4b14444c5a3603ab125434fa
