Sep 17 22:42:33.877 INFO checking iota-lib-rs-0.0.26 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 22:42:33.877 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 22:42:33.877 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 22:42:34.150 INFO blam! b31c19e264990cf7600646ce6d0ecff430eacd9b8984576be30829672502e053
Sep 17 22:42:34.150 INFO running `"docker" "start" "-a" "b31c19e264990cf7600646ce6d0ecff430eacd9b8984576be30829672502e053"`
Sep 17 22:42:35.089 INFO kablam! usermod: no changes
Sep 17 22:42:35.127 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 17 22:42:35.404 INFO kablam!     Checking iota-lib-rs v0.0.26 (/source)
Sep 17 22:42:35.507 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 17 22:42:35.507 INFO kablam!  --> src/lib.rs:2:12
Sep 17 22:42:35.507 INFO kablam!   |
Sep 17 22:42:35.507 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 17 22:42:35.507 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 17 22:42:35.507 INFO kablam! 
Sep 17 22:42:35.563 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 17 22:42:35.563 INFO kablam!  --> src/lib.rs:2:12
Sep 17 22:42:35.563 INFO kablam!   |
Sep 17 22:42:35.563 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 17 22:42:35.563 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 17 22:42:35.563 INFO kablam! 
Sep 17 22:42:41.491 INFO kablam! warning: variable does not need to be mutable
Sep 17 22:42:41.491 INFO kablam!    --> src/crypto/iss.rs:415:17
Sep 17 22:42:41.491 INFO kablam!     |
Sep 17 22:42:41.491 INFO kablam! 415 |             let mut message_trits = converter::trits_from_string(MESSAGE);
Sep 17 22:42:41.491 INFO kablam!     |                 ----^^^^^^^^^^^^^
Sep 17 22:42:41.491 INFO kablam!     |                 |
Sep 17 22:42:41.491 INFO kablam!     |                 help: remove this `mut`
Sep 17 22:42:41.491 INFO kablam!     |
Sep 17 22:42:41.491 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 22:42:41.491 INFO kablam! 
Sep 17 22:42:41.983 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 17 22:42:41.983 INFO kablam!  --> src/lib.rs:3:12
Sep 17 22:42:41.984 INFO kablam!   |
Sep 17 22:42:41.984 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 17 22:42:41.984 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 17 22:42:41.984 INFO kablam! 
Sep 17 22:42:42.199 INFO kablam! error: aborting due to previous error
Sep 17 22:42:42.199 INFO kablam! 
Sep 17 22:42:42.199 INFO kablam! Some errors occurred: E0635, E0705.
Sep 17 22:42:42.199 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 17 22:42:42.211 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 17 22:42:42.211 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 22:42:42.498 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 17 22:42:42.499 INFO kablam!  --> src/lib.rs:3:12
Sep 17 22:42:42.499 INFO kablam!   |
Sep 17 22:42:42.499 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 17 22:42:42.499 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 17 22:42:42.499 INFO kablam! 
Sep 17 22:42:42.643 INFO kablam! error: aborting due to previous error
Sep 17 22:42:42.643 INFO kablam! 
Sep 17 22:42:42.643 INFO kablam! Some errors occurred: E0635, E0705.
Sep 17 22:42:42.643 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 17 22:42:42.674 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 17 22:42:42.675 INFO kablam! 
Sep 17 22:42:42.675 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 22:42:42.675 INFO kablam! su: No module specific data is present
Sep 17 22:42:43.268 INFO running `"docker" "rm" "-f" "b31c19e264990cf7600646ce6d0ecff430eacd9b8984576be30829672502e053"`
Sep 17 22:42:43.336 INFO blam! b31c19e264990cf7600646ce6d0ecff430eacd9b8984576be30829672502e053