Sep 01 01:08:54.288 INFO checking zerodmg-emulator-0.1.9 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 01:08:54.288 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 01:08:54.288 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 01:08:54.481 INFO blam! 05f50d21fd8937e097b7411c05fdc4b0d091d98e2f534df2b65ff8c1cf9b5af4
Sep 01 01:08:54.483 INFO running `"docker" "start" "-a" "05f50d21fd8937e097b7411c05fdc4b0d091d98e2f534df2b65ff8c1cf9b5af4"`
Sep 01 01:08:55.164 INFO kablam!     Checking deflate v0.7.18
Sep 01 01:08:55.164 INFO kablam!    Compiling syn v0.13.11
Sep 01 01:08:55.165 INFO kablam!    Compiling syn v0.14.9
Sep 01 01:08:55.165 INFO kablam!     Checking jpeg-decoder v0.1.15
Sep 01 01:08:58.326 INFO kablam!     Checking png v0.12.0
Sep 01 01:09:08.712 INFO kablam!    Compiling num-derive v0.2.2
Sep 01 01:09:12.100 INFO kablam!     Checking image v0.19.0
Sep 01 01:09:12.660 INFO kablam!    Compiling derive_more v0.11.0
Sep 01 01:09:20.428 INFO kablam!     Checking zerodmg-utils v0.1.9
Sep 01 01:09:20.738 INFO kablam!     Checking zerodmg-codes v0.1.9
Sep 01 01:09:22.184 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 01:09:22.184 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Sep 01 01:09:22.184 INFO kablam!   |
Sep 01 01:09:22.184 INFO kablam! 2 | #![feature(rust_2018_idioms)]
Sep 01 01:09:22.184 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 01 01:09:22.184 INFO kablam! 
Sep 01 01:09:22.216 INFO kablam! error: aborting due to previous error
Sep 01 01:09:22.216 INFO kablam! 
Sep 01 01:09:22.216 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 01:09:22.229 INFO kablam! error: Could not compile `zerodmg-codes`.
Sep 01 01:09:22.229 INFO kablam! 
Sep 01 01:09:22.229 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 01:09:22.231 INFO kablam! su: No module specific data is present
Sep 01 01:09:22.794 INFO running `"docker" "rm" "-f" "05f50d21fd8937e097b7411c05fdc4b0d091d98e2f534df2b65ff8c1cf9b5af4"`
Sep 01 01:09:22.948 INFO blam! 05f50d21fd8937e097b7411c05fdc4b0d091d98e2f534df2b65ff8c1cf9b5af4