Sep 04 13:37:38.849 INFO checking iota-lib-rs-0.0.26 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 13:37:38.849 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 13:37:38.849 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:37:39.054 INFO blam! 4cc5d5cd29f131e81df617465cb23dc7f811abbde834de09f05d4f82aeacf173
Sep 04 13:37:39.056 INFO running `"docker" "start" "-a" "4cc5d5cd29f131e81df617465cb23dc7f811abbde834de09f05d4f82aeacf173"`
Sep 04 13:37:40.187 INFO kablam!     Checking iota-lib-rs v0.0.26 (file:///source)
Sep 04 13:37:40.277 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 04 13:37:40.277 INFO kablam!  --> src/lib.rs:2:12
Sep 04 13:37:40.277 INFO kablam!   |
Sep 04 13:37:40.277 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 04 13:37:40.277 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 04 13:37:40.277 INFO kablam! 
Sep 04 13:37:40.319 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 04 13:37:40.319 INFO kablam!  --> src/lib.rs:2:12
Sep 04 13:37:40.320 INFO kablam!   |
Sep 04 13:37:40.320 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 04 13:37:40.320 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 04 13:37:40.320 INFO kablam! 
Sep 04 13:37:50.794 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:37:50.794 INFO kablam!    --> src/crypto/iss.rs:415:17
Sep 04 13:37:50.794 INFO kablam!     |
Sep 04 13:37:50.794 INFO kablam! 415 |             let mut message_trits = converter::trits_from_string(MESSAGE);
Sep 04 13:37:50.794 INFO kablam!     |                 ----^^^^^^^^^^^^^
Sep 04 13:37:50.794 INFO kablam!     |                 |
Sep 04 13:37:50.794 INFO kablam!     |                 help: remove this `mut`
Sep 04 13:37:50.794 INFO kablam!     |
Sep 04 13:37:50.794 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 13:37:50.794 INFO kablam! 
Sep 04 13:37:52.404 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 04 13:37:52.405 INFO kablam!  --> src/lib.rs:3:12
Sep 04 13:37:52.405 INFO kablam!   |
Sep 04 13:37:52.405 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 04 13:37:52.405 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 04 13:37:52.405 INFO kablam! 
Sep 04 13:37:52.442 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 04 13:37:52.442 INFO kablam!  --> src/lib.rs:3:12
Sep 04 13:37:52.442 INFO kablam!   |
Sep 04 13:37:52.442 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 04 13:37:52.442 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 04 13:37:52.442 INFO kablam! 
Sep 04 13:37:52.576 INFO kablam! error: aborting due to previous error
Sep 04 13:37:52.576 INFO kablam! 
Sep 04 13:37:52.576 INFO kablam! Some errors occurred: E0635, E0705.
Sep 04 13:37:52.576 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 04 13:37:52.595 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 04 13:37:52.595 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 13:37:52.645 INFO kablam! error: aborting due to previous error
Sep 04 13:37:52.645 INFO kablam! 
Sep 04 13:37:52.645 INFO kablam! Some errors occurred: E0635, E0705.
Sep 04 13:37:52.645 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 04 13:37:52.676 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 04 13:37:52.676 INFO kablam! 
Sep 04 13:37:52.676 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 13:37:52.678 INFO kablam! su: No module specific data is present
Sep 04 13:37:53.087 INFO running `"docker" "rm" "-f" "4cc5d5cd29f131e81df617465cb23dc7f811abbde834de09f05d4f82aeacf173"`
Sep 04 13:37:53.189 INFO blam! 4cc5d5cd29f131e81df617465cb23dc7f811abbde834de09f05d4f82aeacf173