Sep 10 16:23:11.443 INFO checking iota-pow-box-0.0.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:23:11.443 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:23:11.443 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:23:11.581 INFO blam! ce7307f9924aec415e7e9c2891b31a6e51ce5d74dfc2ff5a0d18126357c4b91c
Sep 10 16:23:11.583 INFO running `"docker" "start" "-a" "ce7307f9924aec415e7e9c2891b31a6e51ce5d74dfc2ff5a0d18126357c4b91c"`
Sep 10 16:23:12.476 INFO kablam! usermod: no changes
Sep 10 16:23:12.959 INFO kablam!     Checking chashmap v2.2.0
Sep 10 16:23:12.962 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 10 16:23:19.497 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 10 16:23:19.497 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 10 16:23:19.497 INFO kablam!   |
Sep 10 16:23:19.497 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 10 16:23:19.497 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 16:23:19.497 INFO kablam! 
Sep 10 16:23:19.626 INFO kablam! error: aborting due to previous error
Sep 10 16:23:19.626 INFO kablam! 
Sep 10 16:23:19.626 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 16:23:19.657 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 10 16:23:19.657 INFO kablam! 
Sep 10 16:23:19.657 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 16:23:19.659 INFO kablam! su: No module specific data is present
Sep 10 16:23:20.572 INFO running `"docker" "rm" "-f" "ce7307f9924aec415e7e9c2891b31a6e51ce5d74dfc2ff5a0d18126357c4b91c"`
Sep 10 16:23:20.689 INFO blam! ce7307f9924aec415e7e9c2891b31a6e51ce5d74dfc2ff5a0d18126357c4b91c