Sep 21 10:55:37.134 INFO checking embedded-builder-0.1.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:55:37.134 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:55:37.134 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:55:37.308 INFO blam! 7171a68e4882461f8b9444893c182652014f8c7fae9d898745494b379618b547
Sep 21 10:55:37.310 INFO running `"docker" "start" "-a" "7171a68e4882461f8b9444893c182652014f8c7fae9d898745494b379618b547"`
Sep 21 10:55:37.966 INFO kablam! usermod: no changes
Sep 21 10:55:37.991 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 21 10:55:38.066 INFO kablam! warning: unused macro definition
Sep 21 10:55:38.066 INFO kablam!   --> src/helpers.rs:20:1
Sep 21 10:55:38.066 INFO kablam!    |
Sep 21 10:55:38.066 INFO kablam! 20 | / macro_rules! concat {
Sep 21 10:55:38.066 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 21 10:55:38.066 INFO kablam! 22 | | }
Sep 21 10:55:38.066 INFO kablam!    | |_^
Sep 21 10:55:38.066 INFO kablam!    |
Sep 21 10:55:38.066 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 21 10:55:38.066 INFO kablam! 
Sep 21 10:55:38.164 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 21 10:55:38.164 INFO kablam!  --> src/lib.rs:4:12
Sep 21 10:55:38.164 INFO kablam!   |
Sep 21 10:55:38.164 INFO kablam! 4 | #![feature(used)]
Sep 21 10:55:38.164 INFO kablam!   |            ^^^^
Sep 21 10:55:38.164 INFO kablam!   |
Sep 21 10:55:38.164 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 10:55:38.164 INFO kablam! 
Sep 21 10:55:38.268 INFO kablam! warning: unused macro definition
Sep 21 10:55:38.268 INFO kablam!   --> src/helpers.rs:20:1
Sep 21 10:55:38.268 INFO kablam!    |
Sep 21 10:55:38.268 INFO kablam! 20 | / macro_rules! concat {
Sep 21 10:55:38.268 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 21 10:55:38.268 INFO kablam! 22 | | }
Sep 21 10:55:38.268 INFO kablam!    | |_^
Sep 21 10:55:38.268 INFO kablam!    |
Sep 21 10:55:38.268 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 21 10:55:38.269 INFO kablam! 
Sep 21 10:55:38.480 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:55:38.480 INFO kablam!    --> src/register.rs:210:13
Sep 21 10:55:38.480 INFO kablam!     |
Sep 21 10:55:38.480 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 21 10:55:38.480 INFO kablam!     |             ----^
Sep 21 10:55:38.480 INFO kablam!     |             |
Sep 21 10:55:38.480 INFO kablam!     |             help: remove this `mut`
Sep 21 10:55:38.480 INFO kablam!     |
Sep 21 10:55:38.480 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:55:38.480 INFO kablam! 
Sep 21 10:55:38.483 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 21 10:55:38.483 INFO kablam!  --> src/lib.rs:4:12
Sep 21 10:55:38.483 INFO kablam!   |
Sep 21 10:55:38.483 INFO kablam! 4 | #![feature(used)]
Sep 21 10:55:38.483 INFO kablam!   |            ^^^^
Sep 21 10:55:38.483 INFO kablam!   |
Sep 21 10:55:38.483 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 10:55:38.483 INFO kablam! 
Sep 21 10:55:38.520 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Sep 21 10:55:38.522 INFO kablam! su: No module specific data is present
Sep 21 10:55:38.954 INFO running `"docker" "rm" "-f" "7171a68e4882461f8b9444893c182652014f8c7fae9d898745494b379618b547"`
Sep 21 10:55:39.016 INFO blam! 7171a68e4882461f8b9444893c182652014f8c7fae9d898745494b379618b547