Sep 20 02:21:00.817 INFO checking embedded-builder-0.1.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 02:21:00.817 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 02:21:00.817 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:21:00.981 INFO blam! 6cb2fea90091d70e5074d873e10196c026418bcaa0106e4c585aa7014e7a90fb
Sep 20 02:21:00.983 INFO running `"docker" "start" "-a" "6cb2fea90091d70e5074d873e10196c026418bcaa0106e4c585aa7014e7a90fb"`
Sep 20 02:21:01.696 INFO kablam! usermod: no changes
Sep 20 02:21:01.726 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Sep 20 02:21:01.807 INFO kablam! warning: unused macro definition
Sep 20 02:21:01.807 INFO kablam!   --> src/helpers.rs:20:1
Sep 20 02:21:01.807 INFO kablam!    |
Sep 20 02:21:01.807 INFO kablam! 20 | / macro_rules! concat {
Sep 20 02:21:01.807 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 20 02:21:01.807 INFO kablam! 22 | | }
Sep 20 02:21:01.807 INFO kablam!    | |_^
Sep 20 02:21:01.807 INFO kablam!    |
Sep 20 02:21:01.807 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 20 02:21:01.807 INFO kablam! 
Sep 20 02:21:01.899 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 20 02:21:01.899 INFO kablam!  --> src/lib.rs:4:12
Sep 20 02:21:01.899 INFO kablam!   |
Sep 20 02:21:01.899 INFO kablam! 4 | #![feature(used)]
Sep 20 02:21:01.899 INFO kablam!   |            ^^^^
Sep 20 02:21:01.899 INFO kablam!   |
Sep 20 02:21:01.899 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 02:21:01.899 INFO kablam! 
Sep 20 02:21:02.022 INFO kablam! warning: unused macro definition
Sep 20 02:21:02.022 INFO kablam!   --> src/helpers.rs:20:1
Sep 20 02:21:02.022 INFO kablam!    |
Sep 20 02:21:02.022 INFO kablam! 20 | / macro_rules! concat {
Sep 20 02:21:02.022 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Sep 20 02:21:02.022 INFO kablam! 22 | | }
Sep 20 02:21:02.022 INFO kablam!    | |_^
Sep 20 02:21:02.022 INFO kablam!    |
Sep 20 02:21:02.022 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 20 02:21:02.022 INFO kablam! 
Sep 20 02:21:02.218 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:21:02.218 INFO kablam!    --> src/register.rs:210:13
Sep 20 02:21:02.218 INFO kablam!     |
Sep 20 02:21:02.218 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Sep 20 02:21:02.218 INFO kablam!     |             ----^
Sep 20 02:21:02.218 INFO kablam!     |             |
Sep 20 02:21:02.218 INFO kablam!     |             help: remove this `mut`
Sep 20 02:21:02.218 INFO kablam!     |
Sep 20 02:21:02.218 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 02:21:02.218 INFO kablam! 
Sep 20 02:21:02.221 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 20 02:21:02.221 INFO kablam!  --> src/lib.rs:4:12
Sep 20 02:21:02.221 INFO kablam!   |
Sep 20 02:21:02.221 INFO kablam! 4 | #![feature(used)]
Sep 20 02:21:02.221 INFO kablam!   |            ^^^^
Sep 20 02:21:02.221 INFO kablam!   |
Sep 20 02:21:02.221 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 02:21:02.221 INFO kablam! 
Sep 20 02:21:02.244 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Sep 20 02:21:02.245 INFO kablam! su: No module specific data is present
Sep 20 02:21:02.851 INFO running `"docker" "rm" "-f" "6cb2fea90091d70e5074d873e10196c026418bcaa0106e4c585aa7014e7a90fb"`
Sep 20 02:21:02.914 INFO blam! 6cb2fea90091d70e5074d873e10196c026418bcaa0106e4c585aa7014e7a90fb