Sep 06 05:10:17.328 INFO checking iota-lib-rs-0.0.26 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 05:10:17.328 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 05:10:17.329 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:10:17.527 INFO blam! 9390d46b23d9412c9908e23ea2a0ae2035f260cd6fc1570b9180f55add343d4c
Sep 06 05:10:17.529 INFO running `"docker" "start" "-a" "9390d46b23d9412c9908e23ea2a0ae2035f260cd6fc1570b9180f55add343d4c"`
Sep 06 05:10:18.730 INFO kablam! usermod: no changes
Sep 06 05:10:19.162 INFO kablam!     Checking iota-lib-rs v0.0.26 (file:///source)
Sep 06 05:10:19.397 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 06 05:10:19.397 INFO kablam!  --> src/lib.rs:2:12
Sep 06 05:10:19.397 INFO kablam!   |
Sep 06 05:10:19.397 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 06 05:10:19.397 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 06 05:10:19.397 INFO kablam! 
Sep 06 05:10:19.466 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 06 05:10:19.466 INFO kablam!  --> src/lib.rs:2:12
Sep 06 05:10:19.466 INFO kablam!   |
Sep 06 05:10:19.466 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 06 05:10:19.466 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 06 05:10:19.466 INFO kablam! 
Sep 06 05:10:26.326 INFO kablam! warning: variable does not need to be mutable
Sep 06 05:10:26.326 INFO kablam!    --> src/crypto/iss.rs:415:17
Sep 06 05:10:26.326 INFO kablam!     |
Sep 06 05:10:26.326 INFO kablam! 415 |             let mut message_trits = converter::trits_from_string(MESSAGE);
Sep 06 05:10:26.326 INFO kablam!     |                 ----^^^^^^^^^^^^^
Sep 06 05:10:26.326 INFO kablam!     |                 |
Sep 06 05:10:26.326 INFO kablam!     |                 help: remove this `mut`
Sep 06 05:10:26.326 INFO kablam!     |
Sep 06 05:10:26.326 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 05:10:26.326 INFO kablam! 
Sep 06 05:10:26.977 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:26.977 INFO kablam!  --> src/lib.rs:3:12
Sep 06 05:10:26.977 INFO kablam!   |
Sep 06 05:10:26.977 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 06 05:10:26.977 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:26.977 INFO kablam! 
Sep 06 05:10:27.124 INFO kablam! error: aborting due to previous error
Sep 06 05:10:27.124 INFO kablam! 
Sep 06 05:10:27.124 INFO kablam! Some errors occurred: E0635, E0705.
Sep 06 05:10:27.124 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 06 05:10:27.158 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:27.158 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 05:10:27.358 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:27.358 INFO kablam!  --> src/lib.rs:3:12
Sep 06 05:10:27.358 INFO kablam!   |
Sep 06 05:10:27.358 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 06 05:10:27.358 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:27.358 INFO kablam! 
Sep 06 05:10:27.490 INFO kablam! error: aborting due to previous error
Sep 06 05:10:27.490 INFO kablam! 
Sep 06 05:10:27.490 INFO kablam! Some errors occurred: E0635, E0705.
Sep 06 05:10:27.490 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 06 05:10:27.518 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:27.518 INFO kablam! 
Sep 06 05:10:27.518 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 05:10:27.520 INFO kablam! su: No module specific data is present
Sep 06 05:10:28.124 INFO running `"docker" "rm" "-f" "9390d46b23d9412c9908e23ea2a0ae2035f260cd6fc1570b9180f55add343d4c"`
Sep 06 05:10:28.211 INFO blam! 9390d46b23d9412c9908e23ea2a0ae2035f260cd6fc1570b9180f55add343d4c