Sep 06 05:10:08.578 INFO checking iota-pow-box-0.0.2 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 05:10:08.578 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 05:10:08.578 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:10:08.784 INFO blam! b2e5bf4556f26f8b083ab0e2fc4c6a528aa1aff5c6e028c39a3e08a87c1f664f
Sep 06 05:10:08.786 INFO running `"docker" "start" "-a" "b2e5bf4556f26f8b083ab0e2fc4c6a528aa1aff5c6e028c39a3e08a87c1f664f"`
Sep 06 05:10:09.761 INFO kablam! usermod: no changes
Sep 06 05:10:10.182 INFO kablam!     Checking thread-id v3.3.0
Sep 06 05:10:10.191 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 06 05:10:10.770 INFO kablam!     Checking parking_lot v0.3.8
Sep 06 05:10:11.911 INFO kablam!     Checking chashmap v2.2.0
Sep 06 05:10:16.678 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:16.678 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 06 05:10:16.678 INFO kablam!   |
Sep 06 05:10:16.678 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 06 05:10:16.678 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:16.678 INFO kablam! 
Sep 06 05:10:16.805 INFO kablam! error: aborting due to previous error
Sep 06 05:10:16.805 INFO kablam! 
Sep 06 05:10:16.805 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 05:10:16.833 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:16.833 INFO kablam! 
Sep 06 05:10:16.833 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 05:10:16.834 INFO kablam! su: No module specific data is present
Sep 06 05:10:17.801 INFO running `"docker" "rm" "-f" "b2e5bf4556f26f8b083ab0e2fc4c6a528aa1aff5c6e028c39a3e08a87c1f664f"`
Sep 06 05:10:17.926 INFO blam! b2e5bf4556f26f8b083ab0e2fc4c6a528aa1aff5c6e028c39a3e08a87c1f664f