Sep 02 10:15:03.981 INFO checking iota-pow-box-0.0.2 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851 Sep 02 10:15:03.981 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets Sep 02 10:15:03.982 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 02 10:15:04.177 INFO blam! 308fa8250016712f3b44747b2fcf894b2337a47bce46ec5bdf83cc21fc7508c0 Sep 02 10:15:04.179 INFO running `"docker" "start" "-a" "308fa8250016712f3b44747b2fcf894b2337a47bce46ec5bdf83cc21fc7508c0"` Sep 02 10:15:05.390 INFO kablam! Checking iota-lib-rs v0.0.25 Sep 02 10:15:15.192 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms` Sep 02 10:15:15.192 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12 Sep 02 10:15:15.192 INFO kablam! | Sep 02 10:15:15.192 INFO kablam! 3 | #![feature(rust_2018_idioms)] Sep 02 10:15:15.192 INFO kablam! | ^^^^^^^^^^^^^^^^ Sep 02 10:15:15.192 INFO kablam! Sep 02 10:15:15.398 INFO kablam! error: aborting due to previous error Sep 02 10:15:15.398 INFO kablam! Sep 02 10:15:15.398 INFO kablam! For more information about this error, try `rustc --explain E0635`. Sep 02 10:15:15.432 INFO kablam! error: Could not compile `iota-lib-rs`. Sep 02 10:15:15.432 INFO kablam! Sep 02 10:15:15.432 INFO kablam! To learn more, run the command again with --verbose. Sep 02 10:15:15.434 INFO kablam! su: No module specific data is present Sep 02 10:15:15.895 INFO running `"docker" "rm" "-f" "308fa8250016712f3b44747b2fcf894b2337a47bce46ec5bdf83cc21fc7508c0"` Sep 02 10:15:16.033 INFO blam! 308fa8250016712f3b44747b2fcf894b2337a47bce46ec5bdf83cc21fc7508c0