Sep 18 01:14:22.997 INFO checking embedded-builder-0.1.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 01:14:22.997 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 01:14:22.997 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:14:23.150 INFO blam! cff0473fe7737c7080da372c143ea7dbb857eb218f13b2edcbcd069c1d6c39b2
Sep 18 01:14:23.152 INFO running `"docker" "start" "-a" "cff0473fe7737c7080da372c143ea7dbb857eb218f13b2edcbcd069c1d6c39b2"`
Sep 18 01:14:23.751 INFO kablam! usermod: no changes
Sep 18 01:14:23.784 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 18 01:14:23.862 INFO kablam! warning: unused macro definition
Sep 18 01:14:23.862 INFO kablam!   --> src/helpers.rs:20:1
Sep 18 01:14:23.863 INFO kablam!    |
Sep 18 01:14:23.863 INFO kablam! 20 | / macro_rules! concat {
Sep 18 01:14:23.863 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 18 01:14:23.863 INFO kablam! 22 | | }
Sep 18 01:14:23.863 INFO kablam!    | |_^
Sep 18 01:14:23.863 INFO kablam!    |
Sep 18 01:14:23.863 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 18 01:14:23.863 INFO kablam! 
Sep 18 01:14:23.951 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 18 01:14:23.951 INFO kablam!  --> src/lib.rs:4:12
Sep 18 01:14:23.951 INFO kablam!   |
Sep 18 01:14:23.951 INFO kablam! 4 | #![feature(used)]
Sep 18 01:14:23.951 INFO kablam!   |            ^^^^
Sep 18 01:14:23.951 INFO kablam!   |
Sep 18 01:14:23.951 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 01:14:23.951 INFO kablam! 
Sep 18 01:14:24.103 INFO kablam! warning: unused macro definition
Sep 18 01:14:24.103 INFO kablam!   --> src/helpers.rs:20:1
Sep 18 01:14:24.103 INFO kablam!    |
Sep 18 01:14:24.103 INFO kablam! 20 | / macro_rules! concat {
Sep 18 01:14:24.103 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 18 01:14:24.103 INFO kablam! 22 | | }
Sep 18 01:14:24.103 INFO kablam!    | |_^
Sep 18 01:14:24.103 INFO kablam!    |
Sep 18 01:14:24.103 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 18 01:14:24.103 INFO kablam! 
Sep 18 01:14:24.354 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:14:24.354 INFO kablam!    --> src/register.rs:210:13
Sep 18 01:14:24.354 INFO kablam!     |
Sep 18 01:14:24.354 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 18 01:14:24.354 INFO kablam!     |             ----^
Sep 18 01:14:24.355 INFO kablam!     |             |
Sep 18 01:14:24.355 INFO kablam!     |             help: remove this `mut`
Sep 18 01:14:24.355 INFO kablam!     |
Sep 18 01:14:24.355 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 18 01:14:24.355 INFO kablam! 
Sep 18 01:14:24.359 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 18 01:14:24.359 INFO kablam!  --> src/lib.rs:4:12
Sep 18 01:14:24.359 INFO kablam!   |
Sep 18 01:14:24.359 INFO kablam! 4 | #![feature(used)]
Sep 18 01:14:24.359 INFO kablam!   |            ^^^^
Sep 18 01:14:24.359 INFO kablam!   |
Sep 18 01:14:24.359 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 01:14:24.359 INFO kablam! 
Sep 18 01:14:24.382 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Sep 18 01:14:24.384 INFO kablam! su: No module specific data is present
Sep 18 01:14:25.007 INFO running `"docker" "rm" "-f" "cff0473fe7737c7080da372c143ea7dbb857eb218f13b2edcbcd069c1d6c39b2"`
Sep 18 01:14:25.138 INFO blam! cff0473fe7737c7080da372c143ea7dbb857eb218f13b2edcbcd069c1d6c39b2