Aug 11 10:58:00.737 INFO checking iota-pow-box-0.0.2 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 10:58:00.737 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:58:00.737 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:58:00.738 INFO running `"docker" "create" "-v" "/tmp/crater.ioQdBFqKu3QG:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 10:58:00.918 INFO blam! 1577b3cf45f82229294da76d235c5a147ced7df81594babaebc09262b81b22aa
Aug 11 10:58:00.919 INFO running `"docker" "start" "-a" "1577b3cf45f82229294da76d235c5a147ced7df81594babaebc09262b81b22aa"`
Aug 11 10:58:02.657 INFO kablam!     Checking chashmap v2.2.0
Aug 11 10:58:02.666 INFO kablam!     Checking iota-lib-rs v0.0.25
Aug 11 10:58:15.996 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Aug 11 10:58:15.996 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Aug 11 10:58:15.996 INFO kablam!   |
Aug 11 10:58:15.996 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Aug 11 10:58:15.996 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Aug 11 10:58:15.996 INFO kablam! 
Aug 11 10:58:16.244 INFO kablam! error: aborting due to previous error
Aug 11 10:58:16.245 INFO kablam! 
Aug 11 10:58:16.246 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 10:58:16.300 INFO kablam! error: Could not compile `iota-lib-rs`.
Aug 11 10:58:16.300 INFO kablam! 
Aug 11 10:58:16.300 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 10:58:16.302 INFO kablam! su: No module specific data is present
Aug 11 10:58:17.527 INFO running `"docker" "rm" "-f" "1577b3cf45f82229294da76d235c5a147ced7df81594babaebc09262b81b22aa"`
Aug 11 10:58:17.677 INFO blam! 1577b3cf45f82229294da76d235c5a147ced7df81594babaebc09262b81b22aa