Sep 01 16:44:12.627 INFO checking iota-pow-box-0.0.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 16:44:12.627 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 16:44:12.627 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:44:12.822 INFO blam! a9484777f8638cbd78993bffe4ec543ee277b160bf1a373222773bf5cb2ff7b2
Sep 01 16:44:12.823 INFO running `"docker" "start" "-a" "a9484777f8638cbd78993bffe4ec543ee277b160bf1a373222773bf5cb2ff7b2"`
Sep 01 16:44:13.884 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 01 16:44:22.850 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 16:44:22.850 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 01 16:44:22.850 INFO kablam!   |
Sep 01 16:44:22.850 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 01 16:44:22.850 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 01 16:44:22.850 INFO kablam! 
Sep 01 16:44:22.979 INFO kablam! error: aborting due to previous error
Sep 01 16:44:22.979 INFO kablam! 
Sep 01 16:44:22.979 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 16:44:23.006 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 16:44:23.006 INFO kablam! 
Sep 01 16:44:23.006 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 16:44:23.008 INFO kablam! su: No module specific data is present
Sep 01 16:44:23.537 INFO running `"docker" "rm" "-f" "a9484777f8638cbd78993bffe4ec543ee277b160bf1a373222773bf5cb2ff7b2"`
Sep 01 16:44:23.678 INFO blam! a9484777f8638cbd78993bffe4ec543ee277b160bf1a373222773bf5cb2ff7b2