Sep 06 05:10:07.209 INFO checking iota-pow-box-0.0.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 05:10:07.209 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 05:10:07.209 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:10:07.348 INFO blam! f1643956e7bb77dc0232fe7626253d3006d68540bbd7465064096a794c557454
Sep 06 05:10:07.349 INFO running `"docker" "start" "-a" "f1643956e7bb77dc0232fe7626253d3006d68540bbd7465064096a794c557454"`
Sep 06 05:10:08.323 INFO kablam! usermod: no changes
Sep 06 05:10:08.721 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 06 05:10:08.721 INFO kablam!     Checking rocket_contrib v0.3.16
Sep 06 05:10:15.413 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:15.413 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 06 05:10:15.413 INFO kablam!   |
Sep 06 05:10:15.413 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 06 05:10:15.413 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:15.413 INFO kablam! 
Sep 06 05:10:15.547 INFO kablam! error: aborting due to previous error
Sep 06 05:10:15.547 INFO kablam! 
Sep 06 05:10:15.547 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 05:10:15.574 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:15.574 INFO kablam! 
Sep 06 05:10:15.574 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 05:10:15.576 INFO kablam! su: No module specific data is present
Sep 06 05:10:17.161 INFO running `"docker" "rm" "-f" "f1643956e7bb77dc0232fe7626253d3006d68540bbd7465064096a794c557454"`
Sep 06 05:10:17.287 INFO blam! f1643956e7bb77dc0232fe7626253d3006d68540bbd7465064096a794c557454