Sep 05 20:19:14.710 INFO checking zerodmg-emulator-0.1.9 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 20:19:14.710 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 20:19:14.710 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 20:19:15.125 INFO blam! b8e8ec1d8c99d3951dd97f5cd8d4036769fcb0c652c244ae18a0e3c7ff268610
Sep 05 20:19:15.127 INFO running `"docker" "start" "-a" "b8e8ec1d8c99d3951dd97f5cd8d4036769fcb0c652c244ae18a0e3c7ff268610"`
Sep 05 20:19:16.355 INFO kablam! usermod: no changes
Sep 05 20:19:16.550 INFO kablam!    Compiling quote v0.5.2
Sep 05 20:19:16.550 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 05 20:19:16.550 INFO kablam!    Compiling syn v0.14.9
Sep 05 20:19:16.550 INFO kablam!     Checking png v0.12.0
Sep 05 20:19:18.181 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 05 20:19:19.658 INFO kablam!     Checking rayon-core v1.4.1
Sep 05 20:19:19.662 INFO kablam!    Compiling syn v0.13.11
Sep 05 20:19:21.910 INFO kablam!     Checking rayon v1.0.2
Sep 05 20:19:29.170 INFO kablam!     Checking jpeg-decoder v0.1.15
Sep 05 20:19:35.133 INFO kablam!    Compiling num-derive v0.2.2
Sep 05 20:19:40.241 INFO kablam!     Checking image v0.19.0
Sep 05 20:19:40.909 INFO kablam!    Compiling derive_more v0.11.0
Sep 05 20:19:47.460 INFO kablam!     Checking zerodmg-utils v0.1.9
Sep 05 20:19:47.646 INFO kablam!     Checking zerodmg-codes v0.1.9
Sep 05 20:19:48.254 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 05 20:19:48.254 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Sep 05 20:19:48.254 INFO kablam!   |
Sep 05 20:19:48.254 INFO kablam! 2 | #![feature(rust_2018_idioms)]
Sep 05 20:19:48.254 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 05 20:19:48.254 INFO kablam! 
Sep 05 20:19:48.270 INFO kablam! error: aborting due to previous error
Sep 05 20:19:48.270 INFO kablam! 
Sep 05 20:19:48.270 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 05 20:19:48.277 INFO kablam! error: Could not compile `zerodmg-codes`.
Sep 05 20:19:48.277 INFO kablam! 
Sep 05 20:19:48.277 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 20:19:48.278 INFO kablam! su: No module specific data is present
Sep 05 20:19:48.907 INFO running `"docker" "rm" "-f" "b8e8ec1d8c99d3951dd97f5cd8d4036769fcb0c652c244ae18a0e3c7ff268610"`
Sep 05 20:19:49.007 INFO blam! b8e8ec1d8c99d3951dd97f5cd8d4036769fcb0c652c244ae18a0e3c7ff268610