Sep 20 01:31:26.671 INFO checking iota-pow-box-0.0.2 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352 Sep 20 01:31:26.671 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets Sep 20 01:31:26.671 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 20 01:31:26.873 INFO blam! b1b3e5cbd8e35130824bf813b25dde9077b637fd32caf83b19ae33186d1c9742 Sep 20 01:31:26.874 INFO running `"docker" "start" "-a" "b1b3e5cbd8e35130824bf813b25dde9077b637fd32caf83b19ae33186d1c9742"` Sep 20 01:31:28.653 INFO kablam! usermod: no changes Sep 20 01:31:28.994 INFO kablam! Checking rocket_contrib v0.3.16 Sep 20 01:31:28.995 INFO kablam! Checking iota-lib-rs v0.0.25 Sep 20 01:31:34.710 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms` Sep 20 01:31:34.710 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12 Sep 20 01:31:34.710 INFO kablam! | Sep 20 01:31:34.710 INFO kablam! 3 | #![feature(rust_2018_idioms)] Sep 20 01:31:34.710 INFO kablam! | ^^^^^^^^^^^^^^^^ Sep 20 01:31:34.710 INFO kablam! Sep 20 01:31:34.846 INFO kablam! error: aborting due to previous error Sep 20 01:31:34.846 INFO kablam! Sep 20 01:31:34.846 INFO kablam! For more information about this error, try `rustc --explain E0635`. Sep 20 01:31:34.869 INFO kablam! error: Could not compile `iota-lib-rs`. Sep 20 01:31:34.869 INFO kablam! Sep 20 01:31:34.869 INFO kablam! To learn more, run the command again with --verbose. Sep 20 01:31:34.871 INFO kablam! su: No module specific data is present Sep 20 01:31:36.073 INFO running `"docker" "rm" "-f" "b1b3e5cbd8e35130824bf813b25dde9077b637fd32caf83b19ae33186d1c9742"` Sep 20 01:31:36.192 INFO blam! b1b3e5cbd8e35130824bf813b25dde9077b637fd32caf83b19ae33186d1c9742