Sep 18 01:14:22.836 INFO checking embedded-builder-0.1.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 01:14:22.836 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 01:14:22.836 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/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 18 01:14:23.037 INFO blam! 63a9dbadd5598fe08422f3242eb6fbf4be1414f63daab0fe7495f161b40a63d1
Sep 18 01:14:23.039 INFO running `"docker" "start" "-a" "63a9dbadd5598fe08422f3242eb6fbf4be1414f63daab0fe7495f161b40a63d1"`
Sep 18 01:14:23.702 INFO kablam! usermod: no changes
Sep 18 01:14:23.725 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 18 01:14:23.782 INFO kablam! warning: unused macro definition
Sep 18 01:14:23.782 INFO kablam!   --> src/helpers.rs:20:1
Sep 18 01:14:23.782 INFO kablam!    |
Sep 18 01:14:23.782 INFO kablam! 20 | / macro_rules! concat {
Sep 18 01:14:23.782 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 18 01:14:23.782 INFO kablam! 22 | | }
Sep 18 01:14:23.782 INFO kablam!    | |_^
Sep 18 01:14:23.782 INFO kablam!    |
Sep 18 01:14:23.782 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 18 01:14:23.782 INFO kablam! 
Sep 18 01:14:23.859 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 18 01:14:23.859 INFO kablam!  --> src/lib.rs:4:12
Sep 18 01:14:23.859 INFO kablam!   |
Sep 18 01:14:23.859 INFO kablam! 4 | #![feature(used)]
Sep 18 01:14:23.859 INFO kablam!   |            ^^^^
Sep 18 01:14:23.859 INFO kablam!   |
Sep 18 01:14:23.859 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 01:14:23.859 INFO kablam! 
Sep 18 01:14:24.057 INFO kablam! warning: unused macro definition
Sep 18 01:14:24.057 INFO kablam!   --> src/helpers.rs:20:1
Sep 18 01:14:24.057 INFO kablam!    |
Sep 18 01:14:24.057 INFO kablam! 20 | / macro_rules! concat {
Sep 18 01:14:24.057 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 18 01:14:24.057 INFO kablam! 22 | | }
Sep 18 01:14:24.057 INFO kablam!    | |_^
Sep 18 01:14:24.057 INFO kablam!    |
Sep 18 01:14:24.057 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 18 01:14:24.057 INFO kablam! 
Sep 18 01:14:24.306 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:14:24.306 INFO kablam!    --> src/register.rs:210:13
Sep 18 01:14:24.306 INFO kablam!     |
Sep 18 01:14:24.306 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 18 01:14:24.306 INFO kablam!     |             ----^
Sep 18 01:14:24.306 INFO kablam!     |             |
Sep 18 01:14:24.306 INFO kablam!     |             help: remove this `mut`
Sep 18 01:14:24.306 INFO kablam!     |
Sep 18 01:14:24.306 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 18 01:14:24.306 INFO kablam! 
Sep 18 01:14:24.310 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 18 01:14:24.310 INFO kablam!  --> src/lib.rs:4:12
Sep 18 01:14:24.310 INFO kablam!   |
Sep 18 01:14:24.310 INFO kablam! 4 | #![feature(used)]
Sep 18 01:14:24.310 INFO kablam!   |            ^^^^
Sep 18 01:14:24.310 INFO kablam!   |
Sep 18 01:14:24.310 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 01:14:24.310 INFO kablam! 
Sep 18 01:14:24.338 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Sep 18 01:14:24.341 INFO kablam! su: No module specific data is present
Sep 18 01:14:24.857 INFO running `"docker" "rm" "-f" "63a9dbadd5598fe08422f3242eb6fbf4be1414f63daab0fe7495f161b40a63d1"`
Sep 18 01:14:24.938 INFO blam! 63a9dbadd5598fe08422f3242eb6fbf4be1414f63daab0fe7495f161b40a63d1