Sep 10 05:48:51.617 INFO checking zerodmg-emulator-0.1.9 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 05:48:51.617 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 05:48:51.617 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 05:48:51.794 INFO blam! c9e27ad5a553432c4bafaf19f48cedd63bfb0d838e017797940548e3781e400b
Sep 10 05:48:51.796 INFO running `"docker" "start" "-a" "c9e27ad5a553432c4bafaf19f48cedd63bfb0d838e017797940548e3781e400b"`
Sep 10 05:48:52.806 INFO kablam! usermod: no changes
Sep 10 05:48:52.834 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 10 05:48:52.963 INFO kablam!     Checking deflate v0.7.18
Sep 10 05:48:52.963 INFO kablam!    Compiling syn v0.13.11
Sep 10 05:48:52.963 INFO kablam!    Compiling num-derive v0.2.2
Sep 10 05:48:52.970 INFO kablam!     Checking jpeg-decoder v0.1.15
Sep 10 05:48:57.926 INFO kablam!     Checking png v0.12.0
Sep 10 05:49:00.626 INFO kablam!     Checking image v0.19.0
Sep 10 05:49:08.972 INFO kablam!     Checking zerodmg-utils v0.1.9
Sep 10 05:49:13.433 INFO kablam!    Compiling derive_more v0.11.0
Sep 10 05:49:19.388 INFO kablam!     Checking zerodmg-codes v0.1.9
Sep 10 05:49:20.326 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 10 05:49:20.326 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Sep 10 05:49:20.326 INFO kablam!   |
Sep 10 05:49:20.326 INFO kablam! 2 | #![feature(rust_2018_idioms)]
Sep 10 05:49:20.326 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 05:49:20.326 INFO kablam! 
Sep 10 05:49:20.346 INFO kablam! error: aborting due to previous error
Sep 10 05:49:20.346 INFO kablam! 
Sep 10 05:49:20.346 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 05:49:20.355 INFO kablam! error: Could not compile `zerodmg-codes`.
Sep 10 05:49:20.355 INFO kablam! 
Sep 10 05:49:20.355 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 05:49:20.356 INFO kablam! su: No module specific data is present
Sep 10 05:49:21.717 INFO running `"docker" "rm" "-f" "c9e27ad5a553432c4bafaf19f48cedd63bfb0d838e017797940548e3781e400b"`
Sep 10 05:49:21.823 INFO blam! c9e27ad5a553432c4bafaf19f48cedd63bfb0d838e017797940548e3781e400b