Nov 01 23:30:47.749 INFO checking embedded-builder-0.1.1 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 23:30:47.750 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 23:30:47.992 INFO blam! ed8237559e0972fd4c6d35c8dea200b18b131c288e510599efd98929701da376
Nov 01 23:30:48.004 INFO running `"docker" "start" "-a" "ed8237559e0972fd4c6d35c8dea200b18b131c288e510599efd98929701da376"`
Nov 01 23:30:48.785 INFO kablam! usermod: no changes
Nov 01 23:30:48.836 INFO kablam!     Checking embedded-builder v0.1.1 (/source)
Nov 01 23:30:48.924 INFO kablam! warning: unused macro definition
Nov 01 23:30:48.924 INFO kablam!   --> src/helpers.rs:20:1
Nov 01 23:30:48.924 INFO kablam!    |
Nov 01 23:30:48.924 INFO kablam! 20 | / macro_rules! concat {
Nov 01 23:30:48.924 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Nov 01 23:30:48.924 INFO kablam! 22 | | }
Nov 01 23:30:48.924 INFO kablam!    | |_^
Nov 01 23:30:48.924 INFO kablam!    |
Nov 01 23:30:48.924 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 01 23:30:48.924 INFO kablam! 
Nov 01 23:30:49.044 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 01 23:30:49.044 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:30:49.044 INFO kablam!   |
Nov 01 23:30:49.044 INFO kablam! 4 | #![feature(used)]
Nov 01 23:30:49.044 INFO kablam!   |            ^^^^
Nov 01 23:30:49.044 INFO kablam!   |
Nov 01 23:30:49.044 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:30:49.044 INFO kablam! 
Nov 01 23:30:49.445 INFO kablam! warning: unused macro definition
Nov 01 23:30:49.445 INFO kablam!   --> src/helpers.rs:20:1
Nov 01 23:30:49.445 INFO kablam!    |
Nov 01 23:30:49.445 INFO kablam! 20 | / macro_rules! concat {
Nov 01 23:30:49.445 INFO kablam! 21 | |     ($a: expr, $b: expr) => { $a$b };
Nov 01 23:30:49.445 INFO kablam! 22 | | }
Nov 01 23:30:49.445 INFO kablam!    | |_^
Nov 01 23:30:49.445 INFO kablam!    |
Nov 01 23:30:49.445 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 01 23:30:49.445 INFO kablam! 
Nov 01 23:30:49.636 INFO kablam! warning: variable does not need to be mutable
Nov 01 23:30:49.636 INFO kablam!    --> src/register.rs:210:13
Nov 01 23:30:49.636 INFO kablam!     |
Nov 01 23:30:49.636 INFO kablam! 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Nov 01 23:30:49.636 INFO kablam!     |             ----^
Nov 01 23:30:49.637 INFO kablam!     |             |
Nov 01 23:30:49.637 INFO kablam!     |             help: remove this `mut`
Nov 01 23:30:49.637 INFO kablam!     |
Nov 01 23:30:49.637 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 23:30:49.637 INFO kablam! 
Nov 01 23:30:49.638 INFO kablam! warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 01 23:30:49.638 INFO kablam!  --> src/lib.rs:4:12
Nov 01 23:30:49.638 INFO kablam!   |
Nov 01 23:30:49.638 INFO kablam! 4 | #![feature(used)]
Nov 01 23:30:49.638 INFO kablam!   |            ^^^^
Nov 01 23:30:49.638 INFO kablam!   |
Nov 01 23:30:49.638 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 23:30:49.638 INFO kablam! 
Nov 01 23:30:49.658 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 01 23:30:49.662 INFO kablam! su: No module specific data is present
Nov 01 23:30:49.904 INFO running `"docker" "rm" "-f" "ed8237559e0972fd4c6d35c8dea200b18b131c288e510599efd98929701da376"`
Nov 01 23:30:50.004 INFO blam! ed8237559e0972fd4c6d35c8dea200b18b131c288e510599efd98929701da376