Sep 04 16:33:37.778 INFO checking iota-pow-box-0.0.2 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 16:33:37.778 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 16:33:37.778 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 16:33:37.942 INFO blam! 5d710ae91d2e941773bfa8559ff7ccbc57840086c86fca0b56d316385141fc4c
Sep 04 16:33:37.945 INFO running `"docker" "start" "-a" "5d710ae91d2e941773bfa8559ff7ccbc57840086c86fca0b56d316385141fc4c"`
Sep 04 16:33:38.843 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 04 16:33:46.736 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 04 16:33:46.737 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 04 16:33:46.737 INFO kablam!   |
Sep 04 16:33:46.737 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 04 16:33:46.737 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 04 16:33:46.737 INFO kablam! 
Sep 04 16:33:46.866 INFO kablam! error: aborting due to previous error
Sep 04 16:33:46.866 INFO kablam! 
Sep 04 16:33:46.866 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 16:33:46.887 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 04 16:33:46.888 INFO kablam! 
Sep 04 16:33:46.888 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 16:33:46.889 INFO kablam! su: No module specific data is present
Sep 04 16:33:47.456 INFO running `"docker" "rm" "-f" "5d710ae91d2e941773bfa8559ff7ccbc57840086c86fca0b56d316385141fc4c"`
Sep 04 16:33:47.539 INFO blam! 5d710ae91d2e941773bfa8559ff7ccbc57840086c86fca0b56d316385141fc4c