Dec 05 14:14:16.299 INFO checking embedded-builder-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:14:16.299 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 14:14:16.496 INFO [stdout] a52291ee8303763cffbc30c8a9873dda141e9954b88772fea24ef7c114393265
Dec 05 14:14:16.504 INFO running `"docker" "start" "-a" "a52291ee8303763cffbc30c8a9873dda141e9954b88772fea24ef7c114393265"`
Dec 05 14:14:17.375 INFO [stderr] usermod: no changes
Dec 05 14:14:17.423 INFO [stderr]     Checking embedded-builder v0.1.1 (/source)
Dec 05 14:14:17.591 INFO [stderr] warning: unused macro definition
Dec 05 14:14:17.591 INFO [stderr]   --> src/helpers.rs:20:1
Dec 05 14:14:17.591 INFO [stderr]    |
Dec 05 14:14:17.591 INFO [stderr] 20 | / macro_rules! concat {
Dec 05 14:14:17.591 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 05 14:14:17.591 INFO [stderr] 22 | | }
Dec 05 14:14:17.591 INFO [stderr]    | |_^
Dec 05 14:14:17.591 INFO [stderr]    |
Dec 05 14:14:17.591 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 14:14:17.591 INFO [stderr] 
Dec 05 14:14:17.712 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 14:14:17.712 INFO [stderr]  --> src/lib.rs:4:12
Dec 05 14:14:17.712 INFO [stderr]   |
Dec 05 14:14:17.712 INFO [stderr] 4 | #![feature(used)]
Dec 05 14:14:17.712 INFO [stderr]   |            ^^^^
Dec 05 14:14:17.712 INFO [stderr]   |
Dec 05 14:14:17.712 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 14:14:17.712 INFO [stderr] 
Dec 05 14:14:18.126 INFO [stderr] warning: unused macro definition
Dec 05 14:14:18.126 INFO [stderr]   --> src/helpers.rs:20:1
Dec 05 14:14:18.126 INFO [stderr]    |
Dec 05 14:14:18.126 INFO [stderr] 20 | / macro_rules! concat {
Dec 05 14:14:18.126 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 05 14:14:18.126 INFO [stderr] 22 | | }
Dec 05 14:14:18.126 INFO [stderr]    | |_^
Dec 05 14:14:18.126 INFO [stderr]    |
Dec 05 14:14:18.126 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 14:14:18.126 INFO [stderr] 
Dec 05 14:14:18.339 INFO [stderr] warning: variable does not need to be mutable
Dec 05 14:14:18.339 INFO [stderr]    --> src/register.rs:210:13
Dec 05 14:14:18.339 INFO [stderr]     |
Dec 05 14:14:18.339 INFO [stderr] 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Dec 05 14:14:18.339 INFO [stderr]     |             ----^
Dec 05 14:14:18.339 INFO [stderr]     |             |
Dec 05 14:14:18.339 INFO [stderr]     |             help: remove this `mut`
Dec 05 14:14:18.339 INFO [stderr]     |
Dec 05 14:14:18.339 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 14:14:18.339 INFO [stderr] 
Dec 05 14:14:18.339 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 14:14:18.339 INFO [stderr]  --> src/lib.rs:4:12
Dec 05 14:14:18.339 INFO [stderr]   |
Dec 05 14:14:18.339 INFO [stderr] 4 | #![feature(used)]
Dec 05 14:14:18.339 INFO [stderr]   |            ^^^^
Dec 05 14:14:18.339 INFO [stderr]   |
Dec 05 14:14:18.339 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 14:14:18.339 INFO [stderr] 
Dec 05 14:14:18.361 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 05 14:14:18.363 INFO [stderr] su: No module specific data is present
Dec 05 14:14:18.936 INFO running `"docker" "inspect" "a52291ee8303763cffbc30c8a9873dda141e9954b88772fea24ef7c114393265"`
Dec 05 14:14:19.203 INFO running `"docker" "rm" "-f" "a52291ee8303763cffbc30c8a9873dda141e9954b88772fea24ef7c114393265"`
Dec 05 14:14:19.523 INFO [stdout] a52291ee8303763cffbc30c8a9873dda141e9954b88772fea24ef7c114393265