Dec 03 01:09:13.765 INFO testing mtl-0.1.5 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 01:09:13.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 01:09:13.953 INFO [stdout] e5638b5e5000b6b434c782e063dcf2cd8eae9dddf03fda3814761cb3f21b12ec
Dec 03 01:09:13.960 INFO running `"docker" "start" "-a" "e5638b5e5000b6b434c782e063dcf2cd8eae9dddf03fda3814761cb3f21b12ec"`
Dec 03 01:09:14.444 INFO [stderr] usermod: no changes
Dec 03 01:09:14.512 INFO [stderr]    Compiling mtl v0.1.5 (/source)
Dec 03 01:09:15.672 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 01:09:15.672 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 01:09:15.672 INFO [stderr]   |
Dec 03 01:09:15.673 INFO [stderr] 1 | #![feature(unboxed_closures, fixed_size_array)]
Dec 03 01:09:15.673 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 01:09:15.673 INFO [stderr] 
Dec 03 01:09:15.676 INFO [stderr] error: aborting due to previous error
Dec 03 01:09:15.677 INFO [stderr] 
Dec 03 01:09:15.677 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 01:09:15.683 INFO [stderr] error: Could not compile `mtl`.
Dec 03 01:09:15.683 INFO [stderr] 
Dec 03 01:09:15.683 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 01:09:15.684 INFO [stderr] su: No module specific data is present
Dec 03 01:09:15.973 INFO running `"docker" "inspect" "e5638b5e5000b6b434c782e063dcf2cd8eae9dddf03fda3814761cb3f21b12ec"`
Dec 03 01:09:16.105 INFO running `"docker" "rm" "-f" "e5638b5e5000b6b434c782e063dcf2cd8eae9dddf03fda3814761cb3f21b12ec"`
Dec 03 01:09:16.250 INFO [stdout] e5638b5e5000b6b434c782e063dcf2cd8eae9dddf03fda3814761cb3f21b12ec
