Nov 01 23:30:49.353 INFO checking embedded-builder-0.1.1 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 23:30:49.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 23:30:49.524 INFO blam! 45ad75ddf2efd9ad4bf85d83a4ef91e95439315f815589f9d2968318a1a1a4de
Nov 01 23:30:49.526 INFO running `"docker" "start" "-a" "45ad75ddf2efd9ad4bf85d83a4ef91e95439315f815589f9d2968318a1a1a4de"`
Nov 01 23:30:50.040 INFO kablam! usermod: no changes
Nov 01 23:30:50.066 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Nov 01 23:30:50.128 INFO kablam! warning: unused macro definition
Nov 01 23:30:50.128 INFO kablam!   --> src/helpers.rs:20:1
Nov 01 23:30:50.128 INFO kablam!    |
Nov 01 23:30:50.128 INFO kablam! 20 | / macro_rules! concat {
Nov 01 23:30:50.128 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Nov 01 23:30:50.128 INFO kablam! 22 | | }
Nov 01 23:30:50.128 INFO kablam!    | |_^
Nov 01 23:30:50.129 INFO kablam!    |
Nov 01 23:30:50.129 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 01 23:30:50.129 INFO kablam! 
Nov 01 23:30:50.214 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 01 23:30:50.214 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:30:50.214 INFO kablam!   |
Nov 01 23:30:50.214 INFO kablam! 4 | #![feature(used)]
Nov 01 23:30:50.214 INFO kablam!   |            ^^^^
Nov 01 23:30:50.214 INFO kablam!   |
Nov 01 23:30:50.214 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:30:50.214 INFO kablam! 
Nov 01 23:30:50.675 INFO kablam! warning: unused macro definition
Nov 01 23:30:50.675 INFO kablam!   --> src/helpers.rs:20:1
Nov 01 23:30:50.675 INFO kablam!    |
Nov 01 23:30:50.675 INFO kablam! 20 | / macro_rules! concat {
Nov 01 23:30:50.675 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Nov 01 23:30:50.675 INFO kablam! 22 | | }
Nov 01 23:30:50.675 INFO kablam!    | |_^
Nov 01 23:30:50.675 INFO kablam!    |
Nov 01 23:30:50.675 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 01 23:30:50.675 INFO kablam! 
Nov 01 23:30:50.882 INFO kablam! warning: variable does not need to be mutable
Nov 01 23:30:50.882 INFO kablam!    --> src/register.rs:210:13
Nov 01 23:30:50.882 INFO kablam!     |
Nov 01 23:30:50.882 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Nov 01 23:30:50.882 INFO kablam!     |             ----^
Nov 01 23:30:50.882 INFO kablam!     |             |
Nov 01 23:30:50.882 INFO kablam!     |             help: remove this `mut`
Nov 01 23:30:50.882 INFO kablam!     |
Nov 01 23:30:50.882 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 23:30:50.882 INFO kablam! 
Nov 01 23:30:50.885 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 01 23:30:50.885 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:30:50.885 INFO kablam!   |
Nov 01 23:30:50.885 INFO kablam! 4 | #![feature(used)]
Nov 01 23:30:50.885 INFO kablam!   |            ^^^^
Nov 01 23:30:50.885 INFO kablam!   |
Nov 01 23:30:50.885 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:30:50.885 INFO kablam! 
Nov 01 23:30:50.901 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 01 23:30:50.909 INFO kablam! su: No module specific data is present
Nov 01 23:30:51.439 INFO running `"docker" "rm" "-f" "45ad75ddf2efd9ad4bf85d83a4ef91e95439315f815589f9d2968318a1a1a4de"`
Nov 01 23:30:51.512 INFO blam! 45ad75ddf2efd9ad4bf85d83a4ef91e95439315f815589f9d2968318a1a1a4de