Aug 31 07:56:35.761 INFO checking zerodmg-emulator-0.1.9 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 07:56:35.761 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 07:56:35.761 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 07:56:35.933 INFO blam! 630b072070ccbca51ace6a54da6758063400b71788144696c18953687d24459d
Aug 31 07:56:35.935 INFO running `"docker" "start" "-a" "630b072070ccbca51ace6a54da6758063400b71788144696c18953687d24459d"`
Aug 31 07:56:37.052 INFO kablam!     Checking deflate v0.7.18
Aug 31 07:56:37.052 INFO kablam!    Compiling syn v0.13.11
Aug 31 07:56:37.052 INFO kablam!    Compiling syn v0.14.9
Aug 31 07:56:37.062 INFO kablam!     Checking jpeg-decoder v0.1.15
Aug 31 07:56:40.275 INFO kablam!     Checking png v0.12.0
Aug 31 07:56:54.123 INFO kablam!    Compiling num-derive v0.2.2
Aug 31 07:56:57.758 INFO kablam!     Checking image v0.19.0
Aug 31 07:56:58.036 INFO kablam!    Compiling derive_more v0.11.0
Aug 31 07:57:07.994 INFO kablam!     Checking zerodmg-utils v0.1.9
Aug 31 07:57:08.333 INFO kablam!     Checking zerodmg-codes v0.1.9
Aug 31 07:57:09.820 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Aug 31 07:57:09.820 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Aug 31 07:57:09.820 INFO kablam!   |
Aug 31 07:57:09.820 INFO kablam! 2 | #![feature(rust_2018_idioms)]
Aug 31 07:57:09.820 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Aug 31 07:57:09.820 INFO kablam! 
Aug 31 07:57:09.843 INFO kablam! error: aborting due to previous error
Aug 31 07:57:09.843 INFO kablam! 
Aug 31 07:57:09.843 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 07:57:09.854 INFO kablam! error: Could not compile `zerodmg-codes`.
Aug 31 07:57:09.854 INFO kablam! 
Aug 31 07:57:09.854 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 07:57:09.856 INFO kablam! su: No module specific data is present
Aug 31 07:57:10.505 INFO running `"docker" "rm" "-f" "630b072070ccbca51ace6a54da6758063400b71788144696c18953687d24459d"`
Aug 31 07:57:10.692 INFO blam! 630b072070ccbca51ace6a54da6758063400b71788144696c18953687d24459d