Sep 02 10:15:04.053 INFO checking iota-pow-box-0.0.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 10:15:04.053 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 10:15:04.053 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/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 02 10:15:04.233 INFO blam! da6d944096b7413721b4339dd35c5d61761378deeffc96c26cdf6e8035e8a29f
Sep 02 10:15:04.235 INFO running `"docker" "start" "-a" "da6d944096b7413721b4339dd35c5d61761378deeffc96c26cdf6e8035e8a29f"`
Sep 02 10:15:05.218 INFO kablam!     Checking chashmap v2.2.0
Sep 02 10:15:05.221 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 02 10:15:15.563 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 02 10:15:15.563 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 02 10:15:15.563 INFO kablam!   |
Sep 02 10:15:15.563 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 02 10:15:15.563 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 02 10:15:15.563 INFO kablam! 
Sep 02 10:15:15.738 INFO kablam! error: aborting due to previous error
Sep 02 10:15:15.738 INFO kablam! 
Sep 02 10:15:15.738 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 10:15:15.768 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 02 10:15:15.768 INFO kablam! 
Sep 02 10:15:15.768 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 10:15:15.770 INFO kablam! su: No module specific data is present
Sep 02 10:15:16.151 INFO running `"docker" "rm" "-f" "da6d944096b7413721b4339dd35c5d61761378deeffc96c26cdf6e8035e8a29f"`
Sep 02 10:15:16.283 INFO blam! da6d944096b7413721b4339dd35c5d61761378deeffc96c26cdf6e8035e8a29f