Sep 10 16:23:17.288 INFO checking iota-lib-rs-0.0.26 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:23:17.288 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:23:17.288 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:23:17.479 INFO blam! c6b8a11e9f5b486b6672a46039b0d60e924e012b2a6aabc47cd95bffa1e3dc56
Sep 10 16:23:17.481 INFO running `"docker" "start" "-a" "c6b8a11e9f5b486b6672a46039b0d60e924e012b2a6aabc47cd95bffa1e3dc56"`
Sep 10 16:23:18.589 INFO kablam! usermod: no changes
Sep 10 16:23:18.666 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 10 16:23:18.990 INFO kablam!     Checking iota-lib-rs v0.0.26 (file:///source)
Sep 10 16:23:19.317 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 10 16:23:19.317 INFO kablam!  --> src/lib.rs:2:12
Sep 10 16:23:19.317 INFO kablam!   |
Sep 10 16:23:19.317 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 10 16:23:19.317 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 10 16:23:19.321 INFO kablam! 
Sep 10 16:23:19.339 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 10 16:23:19.339 INFO kablam!  --> src/lib.rs:2:12
Sep 10 16:23:19.339 INFO kablam!   |
Sep 10 16:23:19.339 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 10 16:23:19.339 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 10 16:23:19.354 INFO kablam! 
Sep 10 16:23:25.926 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:23:25.926 INFO kablam!    --> src/crypto/iss.rs:415:17
Sep 10 16:23:25.926 INFO kablam!     |
Sep 10 16:23:25.926 INFO kablam! 415 |             let mut message_trits = converter::trits_from_string(MESSAGE);
Sep 10 16:23:25.926 INFO kablam!     |                 ----^^^^^^^^^^^^^
Sep 10 16:23:25.926 INFO kablam!     |                 |
Sep 10 16:23:25.926 INFO kablam!     |                 help: remove this `mut`
Sep 10 16:23:25.926 INFO kablam!     |
Sep 10 16:23:25.926 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 16:23:25.926 INFO kablam! 
Sep 10 16:23:26.426 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 10 16:23:26.426 INFO kablam!  --> src/lib.rs:3:12
Sep 10 16:23:26.426 INFO kablam!   |
Sep 10 16:23:26.426 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 10 16:23:26.426 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 16:23:26.426 INFO kablam! 
Sep 10 16:23:26.556 INFO kablam! error: aborting due to previous error
Sep 10 16:23:26.556 INFO kablam! 
Sep 10 16:23:26.556 INFO kablam! Some errors occurred: E0635, E0705.
Sep 10 16:23:26.556 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 10 16:23:26.582 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 10 16:23:26.582 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 16:23:26.922 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 10 16:23:26.922 INFO kablam!  --> src/lib.rs:3:12
Sep 10 16:23:26.922 INFO kablam!   |
Sep 10 16:23:26.922 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 10 16:23:26.922 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 10 16:23:26.922 INFO kablam! 
Sep 10 16:23:27.064 INFO kablam! error: aborting due to previous error
Sep 10 16:23:27.064 INFO kablam! 
Sep 10 16:23:27.064 INFO kablam! Some errors occurred: E0635, E0705.
Sep 10 16:23:27.064 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 10 16:23:27.096 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 10 16:23:27.096 INFO kablam! 
Sep 10 16:23:27.096 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 16:23:27.097 INFO kablam! su: No module specific data is present
Sep 10 16:23:27.814 INFO running `"docker" "rm" "-f" "c6b8a11e9f5b486b6672a46039b0d60e924e012b2a6aabc47cd95bffa1e3dc56"`
Sep 10 16:23:27.948 INFO blam! c6b8a11e9f5b486b6672a46039b0d60e924e012b2a6aabc47cd95bffa1e3dc56