Sep 17 22:42:28.290 INFO checking iota-pow-box-0.0.2 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 22:42:28.290 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 22:42:28.291 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 22:42:28.468 INFO blam! 0ddea73fc51108b055a3847dc37da8d639de88aab9a3130226194ebf6dc4c06a
Sep 17 22:42:28.470 INFO running `"docker" "start" "-a" "0ddea73fc51108b055a3847dc37da8d639de88aab9a3130226194ebf6dc4c06a"`
Sep 17 22:42:29.650 INFO kablam! usermod: no changes
Sep 17 22:42:29.993 INFO kablam!     Checking rocket_contrib v0.3.16
Sep 17 22:42:29.993 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 17 22:42:35.303 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 17 22:42:35.303 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 17 22:42:35.303 INFO kablam!   |
Sep 17 22:42:35.303 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 17 22:42:35.303 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 17 22:42:35.303 INFO kablam! 
Sep 17 22:42:35.443 INFO kablam! error: aborting due to previous error
Sep 17 22:42:35.443 INFO kablam! 
Sep 17 22:42:35.443 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 17 22:42:35.487 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 17 22:42:35.487 INFO kablam! 
Sep 17 22:42:35.487 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 22:42:35.487 INFO kablam! su: No module specific data is present
Sep 17 22:42:36.151 INFO running `"docker" "rm" "-f" "0ddea73fc51108b055a3847dc37da8d639de88aab9a3130226194ebf6dc4c06a"`
Sep 17 22:42:36.476 INFO blam! 0ddea73fc51108b055a3847dc37da8d639de88aab9a3130226194ebf6dc4c06a