Sep 01 16:44:19.491 INFO checking iota-lib-rs-0.0.34 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 16:44:19.491 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 16:44:19.492 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 16:44:19.670 INFO blam! 12f57b01275a8e6c8ca2c538a228f22bf71acfe738738f84296f431e4d230511
Sep 01 16:44:19.672 INFO running `"docker" "start" "-a" "12f57b01275a8e6c8ca2c538a228f22bf71acfe738738f84296f431e4d230511"`
Sep 01 16:44:20.426 INFO kablam!    Compiling crunchy v0.2.1
Sep 01 16:44:20.503 INFO kablam!     Checking iota-lib-rs v0.0.34 (file:///source)
Sep 01 16:44:20.616 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 01 16:44:20.616 INFO kablam!   --> src/lib.rs:42:12
Sep 01 16:44:20.616 INFO kablam!    |
Sep 01 16:44:20.616 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 01 16:44:20.616 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 01 16:44:20.616 INFO kablam! 
Sep 01 16:44:20.618 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 01 16:44:20.618 INFO kablam!   --> src/lib.rs:42:12
Sep 01 16:44:20.618 INFO kablam!    |
Sep 01 16:44:20.618 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 01 16:44:20.619 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 01 16:44:20.619 INFO kablam! 
Sep 01 16:44:32.691 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 16:44:32.691 INFO kablam!   --> src/lib.rs:43:12
Sep 01 16:44:32.691 INFO kablam!    |
Sep 01 16:44:32.691 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 01 16:44:32.691 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 01 16:44:32.691 INFO kablam! 
Sep 01 16:44:32.881 INFO kablam! error: aborting due to previous error
Sep 01 16:44:32.881 INFO kablam! 
Sep 01 16:44:32.881 INFO kablam! Some errors occurred: E0635, E0705.
Sep 01 16:44:32.882 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 01 16:44:32.899 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 16:44:32.899 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 16:44:33.284 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 16:44:33.284 INFO kablam!   --> src/lib.rs:43:12
Sep 01 16:44:33.284 INFO kablam!    |
Sep 01 16:44:33.284 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 01 16:44:33.284 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 01 16:44:33.284 INFO kablam! 
Sep 01 16:44:33.430 INFO kablam! error: aborting due to previous error
Sep 01 16:44:33.430 INFO kablam! 
Sep 01 16:44:33.430 INFO kablam! Some errors occurred: E0635, E0705.
Sep 01 16:44:33.430 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 01 16:44:33.451 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 16:44:33.453 INFO kablam! 
Sep 01 16:44:33.453 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 16:44:33.453 INFO kablam! su: No module specific data is present
Sep 01 16:44:34.033 INFO running `"docker" "rm" "-f" "12f57b01275a8e6c8ca2c538a228f22bf71acfe738738f84296f431e4d230511"`
Sep 01 16:44:34.165 INFO blam! 12f57b01275a8e6c8ca2c538a228f22bf71acfe738738f84296f431e4d230511