Aug 30 13:27:44.944 INFO checking iota-pow-box-0.0.2 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 13:27:44.944 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 13:27:44.944 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 13:27:45.101 INFO blam! 120b3cfa32e67dbc3ec5b0845380a15eb2db3c82e3e7be2f0026a9d3fd2316b5
Aug 30 13:27:45.104 INFO running `"docker" "start" "-a" "120b3cfa32e67dbc3ec5b0845380a15eb2db3c82e3e7be2f0026a9d3fd2316b5"`
Aug 30 13:27:46.181 INFO kablam!     Checking iota-lib-rs v0.0.25
Aug 30 13:27:55.593 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Aug 30 13:27:55.593 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Aug 30 13:27:55.593 INFO kablam!   |
Aug 30 13:27:55.593 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Aug 30 13:27:55.593 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Aug 30 13:27:55.593 INFO kablam! 
Aug 30 13:27:55.756 INFO kablam! error: aborting due to previous error
Aug 30 13:27:55.756 INFO kablam! 
Aug 30 13:27:55.756 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 13:27:55.780 INFO kablam! error: Could not compile `iota-lib-rs`.
Aug 30 13:27:55.780 INFO kablam! 
Aug 30 13:27:55.780 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 13:27:55.782 INFO kablam! su: No module specific data is present
Aug 30 13:27:56.233 INFO running `"docker" "rm" "-f" "120b3cfa32e67dbc3ec5b0845380a15eb2db3c82e3e7be2f0026a9d3fd2316b5"`
Aug 30 13:27:56.317 INFO blam! 120b3cfa32e67dbc3ec5b0845380a15eb2db3c82e3e7be2f0026a9d3fd2316b5