Dec 03 03:41:47.301 INFO testing kiss2d-0.1.5 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 03:41:47.301 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 03:41:47.672 INFO [stdout] 0cc1142fc0d0142dfb2859022b5b7664b0c62f0cf39770bccdbe61ce13f34373
Dec 03 03:41:47.679 INFO running `"docker" "start" "-a" "0cc1142fc0d0142dfb2859022b5b7664b0c62f0cf39770bccdbe61ce13f34373"`
Dec 03 03:41:48.630 INFO [stderr] usermod: no changes
Dec 03 03:41:48.759 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 03 03:41:48.759 INFO [stderr]    Compiling minifb v0.11.1
Dec 03 03:41:48.799 INFO [stderr]    Compiling rusttype v0.7.3
Dec 03 03:41:59.633 INFO [stderr]    Compiling kiss2d v0.1.5 (/source)
Dec 03 03:42:01.307 INFO [stderr] error[E0437]: type `Target` is not a member of trait `std::ops::DerefMut`
Dec 03 03:42:01.307 INFO [stderr]   --> src/lib.rs:37:5
Dec 03 03:42:01.307 INFO [stderr]    |
Dec 03 03:42:01.307 INFO [stderr] 37 |     type Target = [u32];
Dec 03 03:42:01.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ not a member of trait `std::ops::DerefMut`
Dec 03 03:42:01.307 INFO [stderr] 
Dec 03 03:42:01.307 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 03:42:01.307 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 03:42:01.307 INFO [stderr]   |
Dec 03 03:42:01.307 INFO [stderr] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
Dec 03 03:42:01.307 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 03:42:01.307 INFO [stderr] 
Dec 03 03:42:01.307 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 03:42:01.307 INFO [stderr] 
Dec 03 03:42:01.307 INFO [stderr] Some errors occurred: E0437, E0554.
Dec 03 03:42:01.307 INFO [stderr] For more information about an error, try `rustc --explain E0437`.
Dec 03 03:42:01.318 INFO [stderr] error: Could not compile `kiss2d`.
Dec 03 03:42:01.318 INFO [stderr] 
Dec 03 03:42:01.318 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 03:42:01.323 INFO [stderr] su: No module specific data is present
Dec 03 03:42:02.244 INFO running `"docker" "inspect" "0cc1142fc0d0142dfb2859022b5b7664b0c62f0cf39770bccdbe61ce13f34373"`
Dec 03 03:42:02.483 INFO running `"docker" "rm" "-f" "0cc1142fc0d0142dfb2859022b5b7664b0c62f0cf39770bccdbe61ce13f34373"`
Dec 03 03:42:02.851 INFO [stdout] 0cc1142fc0d0142dfb2859022b5b7664b0c62f0cf39770bccdbe61ce13f34373