Sep 01 00:14:25.431 INFO checking iota-lib-rs-0.0.26 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 00:14:25.431 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 00:14:25.432 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 00:14:25.654 INFO blam! e404d09a79dfffef82b77d6f0da6253edbad7b79eb835a14c45aa642c17aaf9a
Sep 01 00:14:25.656 INFO running `"docker" "start" "-a" "e404d09a79dfffef82b77d6f0da6253edbad7b79eb835a14c45aa642c17aaf9a"`
Sep 01 00:14:26.751 INFO kablam!     Checking iota-lib-rs v0.0.26 (file:///source)
Sep 01 00:14:26.887 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 01 00:14:26.887 INFO kablam!  --> src/lib.rs:2:12
Sep 01 00:14:26.887 INFO kablam!   |
Sep 01 00:14:26.887 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 01 00:14:26.887 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 01 00:14:26.888 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 01 00:14:26.888 INFO kablam!  --> src/lib.rs:2:12
Sep 01 00:14:26.888 INFO kablam!   |
Sep 01 00:14:26.888 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 01 00:14:26.888 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 01 00:14:26.888 INFO kablam! 
Sep 01 00:14:26.888 INFO kablam! 
Sep 01 00:14:38.384 INFO kablam! warning: variable does not need to be mutable
Sep 01 00:14:38.384 INFO kablam!    --> src/crypto/iss.rs:415:17
Sep 01 00:14:38.384 INFO kablam!     |
Sep 01 00:14:38.384 INFO kablam! 415 |             let mut message_trits = converter::trits_from_string(MESSAGE);
Sep 01 00:14:38.384 INFO kablam!     |                 ----^^^^^^^^^^^^^
Sep 01 00:14:38.384 INFO kablam!     |                 |
Sep 01 00:14:38.384 INFO kablam!     |                 help: remove this `mut`
Sep 01 00:14:38.384 INFO kablam!     |
Sep 01 00:14:38.385 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 00:14:38.385 INFO kablam! 
Sep 01 00:14:39.662 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 00:14:39.662 INFO kablam!  --> src/lib.rs:3:12
Sep 01 00:14:39.662 INFO kablam!   |
Sep 01 00:14:39.662 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 01 00:14:39.662 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 01 00:14:39.662 INFO kablam! 
Sep 01 00:14:39.870 INFO kablam! error: aborting due to previous error
Sep 01 00:14:39.870 INFO kablam! 
Sep 01 00:14:39.870 INFO kablam! Some errors occurred: E0635, E0705.
Sep 01 00:14:39.870 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 01 00:14:39.889 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 00:14:39.889 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 00:14:40.019 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 00:14:40.019 INFO kablam!  --> src/lib.rs:3:12
Sep 01 00:14:40.019 INFO kablam!   |
Sep 01 00:14:40.019 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 01 00:14:40.019 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 01 00:14:40.019 INFO kablam! 
Sep 01 00:14:40.195 INFO kablam! error: aborting due to previous error
Sep 01 00:14:40.195 INFO kablam! 
Sep 01 00:14:40.195 INFO kablam! Some errors occurred: E0635, E0705.
Sep 01 00:14:40.195 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 01 00:14:40.221 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 00:14:40.221 INFO kablam! 
Sep 01 00:14:40.221 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 00:14:40.223 INFO kablam! su: No module specific data is present
Sep 01 00:14:40.759 INFO running `"docker" "rm" "-f" "e404d09a79dfffef82b77d6f0da6253edbad7b79eb835a14c45aa642c17aaf9a"`
Sep 01 00:14:40.905 INFO blam! e404d09a79dfffef82b77d6f0da6253edbad7b79eb835a14c45aa642c17aaf9a