Sep 20 04:03:31.694 INFO checking embedded-builder-0.1.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 04:03:31.694 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 04:03:31.694 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:03:31.987 INFO blam! 485e0314c571d1731330e22c78ba393bd2be41a3cc6e64a96845f57b3bbff12b
Sep 20 04:03:31.988 INFO running `"docker" "start" "-a" "485e0314c571d1731330e22c78ba393bd2be41a3cc6e64a96845f57b3bbff12b"`
Sep 20 04:03:33.092 INFO kablam! usermod: no changes
Sep 20 04:03:33.113 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 20 04:03:33.164 INFO kablam! warning: unused macro definition
Sep 20 04:03:33.164 INFO kablam!   --> src/helpers.rs:20:1
Sep 20 04:03:33.164 INFO kablam!    |
Sep 20 04:03:33.164 INFO kablam! 20 | / macro_rules! concat {
Sep 20 04:03:33.164 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 20 04:03:33.164 INFO kablam! 22 | | }
Sep 20 04:03:33.164 INFO kablam!    | |_^
Sep 20 04:03:33.164 INFO kablam!    |
Sep 20 04:03:33.164 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 20 04:03:33.164 INFO kablam! 
Sep 20 04:03:33.237 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 20 04:03:33.237 INFO kablam!  --> src/lib.rs:4:12
Sep 20 04:03:33.237 INFO kablam!   |
Sep 20 04:03:33.237 INFO kablam! 4 | #![feature(used)]
Sep 20 04:03:33.238 INFO kablam!   |            ^^^^
Sep 20 04:03:33.238 INFO kablam!   |
Sep 20 04:03:33.238 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 04:03:33.238 INFO kablam! 
Sep 20 04:03:33.344 INFO kablam! warning: unused macro definition
Sep 20 04:03:33.344 INFO kablam!   --> src/helpers.rs:20:1
Sep 20 04:03:33.344 INFO kablam!    |
Sep 20 04:03:33.344 INFO kablam! 20 | / macro_rules! concat {
Sep 20 04:03:33.344 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 20 04:03:33.344 INFO kablam! 22 | | }
Sep 20 04:03:33.344 INFO kablam!    | |_^
Sep 20 04:03:33.344 INFO kablam!    |
Sep 20 04:03:33.344 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 20 04:03:33.344 INFO kablam! 
Sep 20 04:03:33.523 INFO kablam! warning: variable does not need to be mutable
Sep 20 04:03:33.523 INFO kablam!    --> src/register.rs:210:13
Sep 20 04:03:33.523 INFO kablam!     |
Sep 20 04:03:33.523 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 20 04:03:33.523 INFO kablam!     |             ----^
Sep 20 04:03:33.523 INFO kablam!     |             |
Sep 20 04:03:33.523 INFO kablam!     |             help: remove this `mut`
Sep 20 04:03:33.523 INFO kablam!     |
Sep 20 04:03:33.523 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 04:03:33.523 INFO kablam! 
Sep 20 04:03:33.525 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 20 04:03:33.525 INFO kablam!  --> src/lib.rs:4:12
Sep 20 04:03:33.525 INFO kablam!   |
Sep 20 04:03:33.525 INFO kablam! 4 | #![feature(used)]
Sep 20 04:03:33.525 INFO kablam!   |            ^^^^
Sep 20 04:03:33.525 INFO kablam!   |
Sep 20 04:03:33.525 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 04:03:33.525 INFO kablam! 
Sep 20 04:03:33.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Sep 20 04:03:33.555 INFO kablam! su: No module specific data is present
Sep 20 04:03:34.038 INFO running `"docker" "rm" "-f" "485e0314c571d1731330e22c78ba393bd2be41a3cc6e64a96845f57b3bbff12b"`
Sep 20 04:03:34.126 INFO blam! 485e0314c571d1731330e22c78ba393bd2be41a3cc6e64a96845f57b3bbff12b