Dec 02 23:43:55.016 INFO testing optra-0.2.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 23:43:55.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02 23:43:55.348 INFO [stdout] e91eaf8f13f37c0e27ef5970988083caebe3f00e36369df64e06318b4559e55c
Dec 02 23:43:55.351 INFO running `"docker" "start" "-a" "e91eaf8f13f37c0e27ef5970988083caebe3f00e36369df64e06318b4559e55c"`
Dec 02 23:43:56.258 INFO [stderr] usermod: no changes
Dec 02 23:43:56.398 INFO [stderr]    Compiling rdiff v0.1.2
Dec 02 23:43:58.495 INFO [stderr]    Compiling optra v0.2.1 (/source)
Dec 02 23:43:59.640 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 23:43:59.640 INFO [stderr]   --> src/lib.rs:63:1
Dec 02 23:43:59.640 INFO [stderr]    |
Dec 02 23:43:59.640 INFO [stderr] 63 | #![feature(linked_list_extras)]
Dec 02 23:43:59.640 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:43:59.640 INFO [stderr] 
Dec 02 23:43:59.641 INFO [stderr] error: aborting due to previous error
Dec 02 23:43:59.641 INFO [stderr] 
Dec 02 23:43:59.641 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:43:59.649 INFO [stderr] error: Could not compile `optra`.
Dec 02 23:43:59.649 INFO [stderr] 
Dec 02 23:43:59.649 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 23:43:59.654 INFO [stderr] su: No module specific data is present
Dec 02 23:43:59.889 INFO running `"docker" "inspect" "e91eaf8f13f37c0e27ef5970988083caebe3f00e36369df64e06318b4559e55c"`
Dec 02 23:44:00.012 INFO running `"docker" "rm" "-f" "e91eaf8f13f37c0e27ef5970988083caebe3f00e36369df64e06318b4559e55c"`
Dec 02 23:44:00.174 INFO [stdout] e91eaf8f13f37c0e27ef5970988083caebe3f00e36369df64e06318b4559e55c
