Nov 07 15:40:52.010 INFO checking embedded-builder-0.1.1 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 15:40:52.010 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 15:40:52.279 INFO blam! 89e75edbce5a4833750d24be2cc42dff1c8259c81513e6e352cdfadba5bae0ea
Nov 07 15:40:52.281 INFO running `"docker" "start" "-a" "89e75edbce5a4833750d24be2cc42dff1c8259c81513e6e352cdfadba5bae0ea"`
Nov 07 15:40:52.804 INFO kablam! usermod: no changes
Nov 07 15:40:52.849 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Nov 07 15:40:52.921 INFO kablam! warning: unused macro definition
Nov 07 15:40:52.921 INFO kablam!   --> src/helpers.rs:20:1
Nov 07 15:40:52.921 INFO kablam!    |
Nov 07 15:40:52.921 INFO kablam! 20 | / macro_rules! concat {
Nov 07 15:40:52.921 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Nov 07 15:40:52.921 INFO kablam! 22 | | }
Nov 07 15:40:52.921 INFO kablam!    | |_^
Nov 07 15:40:52.921 INFO kablam!    |
Nov 07 15:40:52.921 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 07 15:40:52.921 INFO kablam! 
Nov 07 15:40:53.014 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 07 15:40:53.015 INFO kablam!  --> src/lib.rs:4:12
Nov 07 15:40:53.015 INFO kablam!   |
Nov 07 15:40:53.015 INFO kablam! 4 | #![feature(used)]
Nov 07 15:40:53.015 INFO kablam!   |            ^^^^
Nov 07 15:40:53.015 INFO kablam!   |
Nov 07 15:40:53.015 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 07 15:40:53.015 INFO kablam! 
Nov 07 15:40:53.408 INFO kablam! warning: unused macro definition
Nov 07 15:40:53.408 INFO kablam!   --> src/helpers.rs:20:1
Nov 07 15:40:53.408 INFO kablam!    |
Nov 07 15:40:53.408 INFO kablam! 20 | / macro_rules! concat {
Nov 07 15:40:53.408 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Nov 07 15:40:53.408 INFO kablam! 22 | | }
Nov 07 15:40:53.408 INFO kablam!    | |_^
Nov 07 15:40:53.408 INFO kablam!    |
Nov 07 15:40:53.408 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 07 15:40:53.408 INFO kablam! 
Nov 07 15:40:53.589 INFO kablam! warning: variable does not need to be mutable
Nov 07 15:40:53.589 INFO kablam!    --> src/register.rs:210:13
Nov 07 15:40:53.589 INFO kablam!     |
Nov 07 15:40:53.590 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Nov 07 15:40:53.590 INFO kablam!     |             ----^
Nov 07 15:40:53.590 INFO kablam!     |             |
Nov 07 15:40:53.590 INFO kablam!     |             help: remove this `mut`
Nov 07 15:40:53.590 INFO kablam!     |
Nov 07 15:40:53.590 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 07 15:40:53.591 INFO kablam! 
Nov 07 15:40:53.592 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 07 15:40:53.593 INFO kablam!  --> src/lib.rs:4:12
Nov 07 15:40:53.593 INFO kablam!   |
Nov 07 15:40:53.593 INFO kablam! 4 | #![feature(used)]
Nov 07 15:40:53.593 INFO kablam!   |            ^^^^
Nov 07 15:40:53.593 INFO kablam!   |
Nov 07 15:40:53.593 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 07 15:40:53.593 INFO kablam! 
Nov 07 15:40:53.613 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 07 15:40:53.613 INFO kablam! su: No module specific data is present
Nov 07 15:40:53.858 INFO running `"docker" "rm" "-f" "89e75edbce5a4833750d24be2cc42dff1c8259c81513e6e352cdfadba5bae0ea"`
Nov 07 15:40:54.004 INFO blam! 89e75edbce5a4833750d24be2cc42dff1c8259c81513e6e352cdfadba5bae0ea