Sep 04 13:37:22.518 INFO checking iota-lib-rs-0.0.34 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 13:37:22.519 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 13:37:22.519 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:37:22.739 INFO blam! 28986a6bae95650c09aaa058dd98adc12d7775e05286abd623b74b404cf7d94f
Sep 04 13:37:22.741 INFO running `"docker" "start" "-a" "28986a6bae95650c09aaa058dd98adc12d7775e05286abd623b74b404cf7d94f"`
Sep 04 13:37:23.831 INFO kablam!     Checking iota-lib-rs v0.0.34 (file:///source)
Sep 04 13:37:23.950 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 04 13:37:23.950 INFO kablam!   --> src/lib.rs:42:12
Sep 04 13:37:23.950 INFO kablam!    |
Sep 04 13:37:23.950 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 04 13:37:23.950 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 04 13:37:23.950 INFO kablam! 
Sep 04 13:37:23.951 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 04 13:37:23.951 INFO kablam!   --> src/lib.rs:42:12
Sep 04 13:37:23.951 INFO kablam!    |
Sep 04 13:37:23.951 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 04 13:37:23.951 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 04 13:37:23.952 INFO kablam! 
Sep 04 13:37:37.176 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 04 13:37:37.177 INFO kablam!   --> src/lib.rs:43:12
Sep 04 13:37:37.177 INFO kablam!    |
Sep 04 13:37:37.177 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 04 13:37:37.177 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 04 13:37:37.177 INFO kablam! 
Sep 04 13:37:37.378 INFO kablam! error: aborting due to previous error
Sep 04 13:37:37.378 INFO kablam! 
Sep 04 13:37:37.378 INFO kablam! Some errors occurred: E0635, E0705.
Sep 04 13:37:37.378 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 04 13:37:37.396 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 04 13:37:37.396 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 13:37:38.032 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 04 13:37:38.032 INFO kablam!   --> src/lib.rs:43:12
Sep 04 13:37:38.032 INFO kablam!    |
Sep 04 13:37:38.032 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 04 13:37:38.032 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 04 13:37:38.032 INFO kablam! 
Sep 04 13:37:38.217 INFO kablam! error: aborting due to previous error
Sep 04 13:37:38.217 INFO kablam! 
Sep 04 13:37:38.217 INFO kablam! Some errors occurred: E0635, E0705.
Sep 04 13:37:38.218 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 04 13:37:38.242 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 04 13:37:38.242 INFO kablam! 
Sep 04 13:37:38.242 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 13:37:38.244 INFO kablam! su: No module specific data is present
Sep 04 13:37:38.673 INFO running `"docker" "rm" "-f" "28986a6bae95650c09aaa058dd98adc12d7775e05286abd623b74b404cf7d94f"`
Sep 04 13:37:38.803 INFO blam! 28986a6bae95650c09aaa058dd98adc12d7775e05286abd623b74b404cf7d94f