Sep 10 16:23:11.553 INFO checking iota-pow-box-0.0.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:23:11.553 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:23:11.553 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:23:11.707 INFO blam! 089247e98e861e427052952d496fe41f35cb67ce5cc00177ec2288bd22c42666
Sep 10 16:23:11.709 INFO running `"docker" "start" "-a" "089247e98e861e427052952d496fe41f35cb67ce5cc00177ec2288bd22c42666"`
Sep 10 16:23:12.595 INFO kablam! usermod: no changes
Sep 10 16:23:12.999 INFO kablam!     Checking chashmap v2.2.0
Sep 10 16:23:13.010 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 10 16:23:19.489 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 10 16:23:19.489 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 10 16:23:19.489 INFO kablam!   |
Sep 10 16:23:19.489 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 10 16:23:19.489 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 16:23:19.489 INFO kablam! 
Sep 10 16:23:19.697 INFO kablam! error: aborting due to previous error
Sep 10 16:23:19.697 INFO kablam! 
Sep 10 16:23:19.697 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 16:23:19.729 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 10 16:23:19.729 INFO kablam! 
Sep 10 16:23:19.729 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 16:23:19.731 INFO kablam! su: No module specific data is present
Sep 10 16:23:20.693 INFO running `"docker" "rm" "-f" "089247e98e861e427052952d496fe41f35cb67ce5cc00177ec2288bd22c42666"`
Sep 10 16:23:20.811 INFO blam! 089247e98e861e427052952d496fe41f35cb67ce5cc00177ec2288bd22c42666