Sep 20 02:21:00.782 INFO checking embedded-builder-0.1.1 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 02:21:00.782 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 02:21:00.782 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:21:00.931 INFO blam! 6fe50faad3a21318bdd13d9b2a552e2da8736851ea15fdc9695f723acddda375
Sep 20 02:21:00.934 INFO running `"docker" "start" "-a" "6fe50faad3a21318bdd13d9b2a552e2da8736851ea15fdc9695f723acddda375"`
Sep 20 02:21:01.684 INFO kablam! usermod: no changes
Sep 20 02:21:01.721 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 20 02:21:01.799 INFO kablam! warning: unused macro definition
Sep 20 02:21:01.799 INFO kablam!   --> src/helpers.rs:20:1
Sep 20 02:21:01.799 INFO kablam!    |
Sep 20 02:21:01.799 INFO kablam! 20 | / macro_rules! concat {
Sep 20 02:21:01.799 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 20 02:21:01.799 INFO kablam! 22 | | }
Sep 20 02:21:01.799 INFO kablam!    | |_^
Sep 20 02:21:01.799 INFO kablam!    |
Sep 20 02:21:01.799 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 20 02:21:01.799 INFO kablam! 
Sep 20 02:21:01.891 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 20 02:21:01.891 INFO kablam!  --> src/lib.rs:4:12
Sep 20 02:21:01.891 INFO kablam!   |
Sep 20 02:21:01.891 INFO kablam! 4 | #![feature(used)]
Sep 20 02:21:01.891 INFO kablam!   |            ^^^^
Sep 20 02:21:01.891 INFO kablam!   |
Sep 20 02:21:01.891 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 02:21:01.891 INFO kablam! 
Sep 20 02:21:02.141 INFO kablam! warning: unused macro definition
Sep 20 02:21:02.142 INFO kablam!   --> src/helpers.rs:20:1
Sep 20 02:21:02.142 INFO kablam!    |
Sep 20 02:21:02.142 INFO kablam! 20 | / macro_rules! concat {
Sep 20 02:21:02.142 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 20 02:21:02.142 INFO kablam! 22 | | }
Sep 20 02:21:02.142 INFO kablam!    | |_^
Sep 20 02:21:02.142 INFO kablam!    |
Sep 20 02:21:02.142 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 20 02:21:02.142 INFO kablam! 
Sep 20 02:21:02.322 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:21:02.323 INFO kablam!    --> src/register.rs:210:13
Sep 20 02:21:02.323 INFO kablam!     |
Sep 20 02:21:02.323 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 20 02:21:02.323 INFO kablam!     |             ----^
Sep 20 02:21:02.323 INFO kablam!     |             |
Sep 20 02:21:02.323 INFO kablam!     |             help: remove this `mut`
Sep 20 02:21:02.323 INFO kablam!     |
Sep 20 02:21:02.323 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 02:21:02.323 INFO kablam! 
Sep 20 02:21:02.325 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 20 02:21:02.325 INFO kablam!  --> src/lib.rs:4:12
Sep 20 02:21:02.325 INFO kablam!   |
Sep 20 02:21:02.325 INFO kablam! 4 | #![feature(used)]
Sep 20 02:21:02.325 INFO kablam!   |            ^^^^
Sep 20 02:21:02.325 INFO kablam!   |
Sep 20 02:21:02.325 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 02:21:02.325 INFO kablam! 
Sep 20 02:21:02.347 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Sep 20 02:21:02.349 INFO kablam! su: No module specific data is present
Sep 20 02:21:02.941 INFO running `"docker" "rm" "-f" "6fe50faad3a21318bdd13d9b2a552e2da8736851ea15fdc9695f723acddda375"`
Sep 20 02:21:03.038 INFO blam! 6fe50faad3a21318bdd13d9b2a552e2da8736851ea15fdc9695f723acddda375