Sep 01 16:44:27.656 INFO checking iota-lib-rs-0.0.26 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831 Sep 01 16:44:27.656 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 01 16:44:27.656 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 16:44:27.846 INFO blam! 2c2373ed2ecc3ecce29e5c22b8fff1898aa15ec4cee1f4c51a07f074415d6f58 Sep 01 16:44:27.848 INFO running `"docker" "start" "-a" "2c2373ed2ecc3ecce29e5c22b8fff1898aa15ec4cee1f4c51a07f074415d6f58"` Sep 01 16:44:28.694 INFO kablam! Checking iota-lib-rs v0.0.26 (file:///source) Sep 01 16:44:28.813 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition Sep 01 16:44:28.813 INFO kablam! --> src/lib.rs:2:12 Sep 01 16:44:28.813 INFO kablam! | Sep 01 16:44:28.813 INFO kablam! 2 | #![feature(rust_2018_preview)] Sep 01 16:44:28.813 INFO kablam! | ^^^^^^^^^^^^^^^^^ Sep 01 16:44:28.813 INFO kablam! Sep 01 16:44:28.813 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition Sep 01 16:44:28.813 INFO kablam! --> src/lib.rs:2:12 Sep 01 16:44:28.813 INFO kablam! | Sep 01 16:44:28.813 INFO kablam! 2 | #![feature(rust_2018_preview)] Sep 01 16:44:28.813 INFO kablam! | ^^^^^^^^^^^^^^^^^ Sep 01 16:44:28.813 INFO kablam! Sep 01 16:44:40.691 INFO kablam! warning: variable does not need to be mutable Sep 01 16:44:40.691 INFO kablam! --> src/crypto/iss.rs:415:17 Sep 01 16:44:40.691 INFO kablam! | Sep 01 16:44:40.691 INFO kablam! 415 | let mut message_trits = converter::trits_from_string(MESSAGE); Sep 01 16:44:40.691 INFO kablam! | ----^^^^^^^^^^^^^ Sep 01 16:44:40.691 INFO kablam! | | Sep 01 16:44:40.691 INFO kablam! | help: remove this `mut` Sep 01 16:44:40.691 INFO kablam! | Sep 01 16:44:40.691 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 01 16:44:40.691 INFO kablam! Sep 01 16:44:41.455 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms` Sep 01 16:44:41.455 INFO kablam! --> src/lib.rs:3:12 Sep 01 16:44:41.455 INFO kablam! | Sep 01 16:44:41.455 INFO kablam! 3 | #![feature(rust_2018_idioms)] Sep 01 16:44:41.455 INFO kablam! | ^^^^^^^^^^^^^^^^ Sep 01 16:44:41.455 INFO kablam! Sep 01 16:44:41.633 INFO kablam! error: aborting due to previous error Sep 01 16:44:41.633 INFO kablam! Sep 01 16:44:41.633 INFO kablam! Some errors occurred: E0635, E0705. Sep 01 16:44:41.633 INFO kablam! For more information about an error, try `rustc --explain E0635`. Sep 01 16:44:41.644 INFO kablam! error: Could not compile `iota-lib-rs`. Sep 01 16:44:41.644 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 01 16:44:42.200 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms` Sep 01 16:44:42.200 INFO kablam! --> src/lib.rs:3:12 Sep 01 16:44:42.200 INFO kablam! | Sep 01 16:44:42.200 INFO kablam! 3 | #![feature(rust_2018_idioms)] Sep 01 16:44:42.200 INFO kablam! | ^^^^^^^^^^^^^^^^ Sep 01 16:44:42.200 INFO kablam! Sep 01 16:44:42.357 INFO kablam! error: aborting due to previous error Sep 01 16:44:42.357 INFO kablam! Sep 01 16:44:42.357 INFO kablam! Some errors occurred: E0635, E0705. Sep 01 16:44:42.357 INFO kablam! For more information about an error, try `rustc --explain E0635`. Sep 01 16:44:42.382 INFO kablam! error: Could not compile `iota-lib-rs`. Sep 01 16:44:42.382 INFO kablam! Sep 01 16:44:42.382 INFO kablam! To learn more, run the command again with --verbose. Sep 01 16:44:42.384 INFO kablam! su: No module specific data is present Sep 01 16:44:42.881 INFO running `"docker" "rm" "-f" "2c2373ed2ecc3ecce29e5c22b8fff1898aa15ec4cee1f4c51a07f074415d6f58"` Sep 01 16:44:43.000 INFO blam! 2c2373ed2ecc3ecce29e5c22b8fff1898aa15ec4cee1f4c51a07f074415d6f58