Sep 01 16:44:13.058 INFO checking iota-pow-box-0.0.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 16:44:13.058 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:44:13.058 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 16:44:13.302 INFO blam! c4ead3fe1cbf892a12d9c3afe2209df79ba146c6bc3c495a282473401654910e
Sep 01 16:44:13.304 INFO running `"docker" "start" "-a" "c4ead3fe1cbf892a12d9c3afe2209df79ba146c6bc3c495a282473401654910e"`
Sep 01 16:44:14.647 INFO kablam!     Checking chashmap v2.2.0
Sep 01 16:44:14.651 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 01 16:44:23.502 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 16:44:23.502 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 01 16:44:23.502 INFO kablam!   |
Sep 01 16:44:23.502 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 01 16:44:23.502 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 01 16:44:23.502 INFO kablam! 
Sep 01 16:44:23.646 INFO kablam! error: aborting due to previous error
Sep 01 16:44:23.646 INFO kablam! 
Sep 01 16:44:23.646 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 16:44:23.672 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 16:44:23.673 INFO kablam! 
Sep 01 16:44:23.673 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 16:44:23.674 INFO kablam! su: No module specific data is present
Sep 01 16:44:24.193 INFO running `"docker" "rm" "-f" "c4ead3fe1cbf892a12d9c3afe2209df79ba146c6bc3c495a282473401654910e"`
Sep 01 16:44:24.289 INFO blam! c4ead3fe1cbf892a12d9c3afe2209df79ba146c6bc3c495a282473401654910e