Sep 21 10:55:36.308 INFO checking embedded-builder-0.1.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 10:55:36.308 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 10:55:36.308 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:55:36.536 INFO blam! 559b1b08625c5a935cf3b2302bd685cb3d02a9a04f9e0854cc1d84b3092d2547
Sep 21 10:55:36.537 INFO running `"docker" "start" "-a" "559b1b08625c5a935cf3b2302bd685cb3d02a9a04f9e0854cc1d84b3092d2547"`
Sep 21 10:55:37.134 INFO kablam! usermod: no changes
Sep 21 10:55:37.159 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 21 10:55:37.234 INFO kablam! warning: unused macro definition
Sep 21 10:55:37.234 INFO kablam!   --> src/helpers.rs:20:1
Sep 21 10:55:37.234 INFO kablam!    |
Sep 21 10:55:37.234 INFO kablam! 20 | / macro_rules! concat {
Sep 21 10:55:37.234 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 21 10:55:37.234 INFO kablam! 22 | | }
Sep 21 10:55:37.234 INFO kablam!    | |_^
Sep 21 10:55:37.234 INFO kablam!    |
Sep 21 10:55:37.234 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 21 10:55:37.234 INFO kablam! 
Sep 21 10:55:37.324 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 21 10:55:37.324 INFO kablam!  --> src/lib.rs:4:12
Sep 21 10:55:37.324 INFO kablam!   |
Sep 21 10:55:37.324 INFO kablam! 4 | #![feature(used)]
Sep 21 10:55:37.324 INFO kablam!   |            ^^^^
Sep 21 10:55:37.324 INFO kablam!   |
Sep 21 10:55:37.324 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 10:55:37.324 INFO kablam! 
Sep 21 10:55:37.425 INFO kablam! warning: unused macro definition
Sep 21 10:55:37.425 INFO kablam!   --> src/helpers.rs:20:1
Sep 21 10:55:37.425 INFO kablam!    |
Sep 21 10:55:37.425 INFO kablam! 20 | / macro_rules! concat {
Sep 21 10:55:37.425 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 21 10:55:37.425 INFO kablam! 22 | | }
Sep 21 10:55:37.425 INFO kablam!    | |_^
Sep 21 10:55:37.425 INFO kablam!    |
Sep 21 10:55:37.425 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 21 10:55:37.425 INFO kablam! 
Sep 21 10:55:37.590 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:55:37.590 INFO kablam!    --> src/register.rs:210:13
Sep 21 10:55:37.590 INFO kablam!     |
Sep 21 10:55:37.590 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 21 10:55:37.590 INFO kablam!     |             ----^
Sep 21 10:55:37.590 INFO kablam!     |             |
Sep 21 10:55:37.590 INFO kablam!     |             help: remove this `mut`
Sep 21 10:55:37.590 INFO kablam!     |
Sep 21 10:55:37.590 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:55:37.590 INFO kablam! 
Sep 21 10:55:37.598 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 21 10:55:37.598 INFO kablam!  --> src/lib.rs:4:12
Sep 21 10:55:37.598 INFO kablam!   |
Sep 21 10:55:37.598 INFO kablam! 4 | #![feature(used)]
Sep 21 10:55:37.598 INFO kablam!   |            ^^^^
Sep 21 10:55:37.598 INFO kablam!   |
Sep 21 10:55:37.598 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 10:55:37.598 INFO kablam! 
Sep 21 10:55:37.618 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Sep 21 10:55:37.626 INFO kablam! su: No module specific data is present
Sep 21 10:55:38.121 INFO running `"docker" "rm" "-f" "559b1b08625c5a935cf3b2302bd685cb3d02a9a04f9e0854cc1d84b3092d2547"`
Sep 21 10:55:38.223 INFO blam! 559b1b08625c5a935cf3b2302bd685cb3d02a9a04f9e0854cc1d84b3092d2547