Sep 14 14:33:48.425 INFO checking iota-pow-box-0.0.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 14:33:48.425 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 14:33:48.425 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 14:33:48.571 INFO blam! ec0cc780f751fd4c77056759860b080e607869fa69215076412eac74ad90a09a
Sep 14 14:33:48.573 INFO running `"docker" "start" "-a" "ec0cc780f751fd4c77056759860b080e607869fa69215076412eac74ad90a09a"`
Sep 14 14:33:49.698 INFO kablam! usermod: no changes
Sep 14 14:33:50.017 INFO kablam!    Compiling pear v0.0.20
Sep 14 14:33:50.019 INFO kablam!    Compiling isatty v0.1.9
Sep 14 14:33:50.020 INFO kablam!    Compiling rocket_codegen v0.3.16
Sep 14 14:33:50.021 INFO kablam!    Compiling base64 v0.6.0
Sep 14 14:33:50.025 INFO kablam!    Compiling mime v0.2.6
Sep 14 14:33:50.031 INFO kablam!    Compiling ring v0.11.0
Sep 14 14:33:50.031 INFO kablam!     Checking rocket_contrib v0.3.16
Sep 14 14:33:50.031 INFO kablam!     Checking iota-lib-rs v0.0.25
Sep 14 14:33:51.519 INFO kablam!    Compiling hyper v0.10.13
Sep 14 14:33:54.987 INFO kablam!    Compiling cookie v0.9.2
Sep 14 14:34:00.341 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 14 14:34:00.341 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.25/src/lib.rs:3:12
Sep 14 14:34:00.341 INFO kablam!   |
Sep 14 14:34:00.341 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 14 14:34:00.341 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 14 14:34:00.341 INFO kablam! 
Sep 14 14:34:00.491 INFO kablam! error: aborting due to previous error
Sep 14 14:34:00.491 INFO kablam! 
Sep 14 14:34:00.491 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 14:34:00.511 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 14 14:34:00.511 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 14:34:03.370 INFO kablam! error: build failed
Sep 14 14:34:03.370 INFO kablam! su: No module specific data is present
Sep 14 14:34:04.144 INFO running `"docker" "rm" "-f" "ec0cc780f751fd4c77056759860b080e607869fa69215076412eac74ad90a09a"`
Sep 14 14:34:04.209 INFO blam! ec0cc780f751fd4c77056759860b080e607869fa69215076412eac74ad90a09a