Dec 05 14:14:15.503 INFO checking embedded-builder-0.1.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 14:14:15.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 14:14:15.917 INFO [stdout] 55f08320a77d06210aff803b5399d7fe58c7aa537437e99f027c37ec6096b167
Dec 05 14:14:15.919 INFO running `"docker" "start" "-a" "55f08320a77d06210aff803b5399d7fe58c7aa537437e99f027c37ec6096b167"`
Dec 05 14:14:16.351 INFO [stderr] usermod: no changes
Dec 05 14:14:16.371 INFO [stderr]     Checking embedded-builder v0.1.1 (/source)
Dec 05 14:14:16.447 INFO [stderr] warning: unused macro definition
Dec 05 14:14:16.447 INFO [stderr]   --> src/helpers.rs:20:1
Dec 05 14:14:16.447 INFO [stderr]    |
Dec 05 14:14:16.447 INFO [stderr] 20 | / macro_rules! concat {
Dec 05 14:14:16.447 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 05 14:14:16.447 INFO [stderr] 22 | | }
Dec 05 14:14:16.447 INFO [stderr]    | |_^
Dec 05 14:14:16.447 INFO [stderr]    |
Dec 05 14:14:16.447 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 14:14:16.447 INFO [stderr] 
Dec 05 14:14:16.531 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 14:14:16.531 INFO [stderr]  --> src/lib.rs:4:12
Dec 05 14:14:16.531 INFO [stderr]   |
Dec 05 14:14:16.531 INFO [stderr] 4 | #![feature(used)]
Dec 05 14:14:16.531 INFO [stderr]   |            ^^^^
Dec 05 14:14:16.531 INFO [stderr]   |
Dec 05 14:14:16.531 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 14:14:16.531 INFO [stderr] 
Dec 05 14:14:16.929 INFO [stderr] warning: unused macro definition
Dec 05 14:14:16.929 INFO [stderr]   --> src/helpers.rs:20:1
Dec 05 14:14:16.929 INFO [stderr]    |
Dec 05 14:14:16.929 INFO [stderr] 20 | / macro_rules! concat {
Dec 05 14:14:16.929 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 05 14:14:16.929 INFO [stderr] 22 | | }
Dec 05 14:14:16.929 INFO [stderr]    | |_^
Dec 05 14:14:16.929 INFO [stderr]    |
Dec 05 14:14:16.929 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 14:14:16.929 INFO [stderr] 
Dec 05 14:14:17.112 INFO [stderr] warning: variable does not need to be mutable
Dec 05 14:14:17.112 INFO [stderr]    --> src/register.rs:210:13
Dec 05 14:14:17.112 INFO [stderr]     |
Dec 05 14:14:17.112 INFO [stderr] 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Dec 05 14:14:17.112 INFO [stderr]     |             ----^
Dec 05 14:14:17.112 INFO [stderr]     |             |
Dec 05 14:14:17.112 INFO [stderr]     |             help: remove this `mut`
Dec 05 14:14:17.112 INFO [stderr]     |
Dec 05 14:14:17.112 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 14:14:17.112 INFO [stderr] 
Dec 05 14:14:17.112 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 14:14:17.112 INFO [stderr]  --> src/lib.rs:4:12
Dec 05 14:14:17.112 INFO [stderr]   |
Dec 05 14:14:17.112 INFO [stderr] 4 | #![feature(used)]
Dec 05 14:14:17.112 INFO [stderr]   |            ^^^^
Dec 05 14:14:17.112 INFO [stderr]   |
Dec 05 14:14:17.112 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 14:14:17.112 INFO [stderr] 
Dec 05 14:14:17.130 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 05 14:14:17.131 INFO [stderr] su: No module specific data is present
Dec 05 14:14:17.647 INFO running `"docker" "inspect" "55f08320a77d06210aff803b5399d7fe58c7aa537437e99f027c37ec6096b167"`
Dec 05 14:14:17.854 INFO running `"docker" "rm" "-f" "55f08320a77d06210aff803b5399d7fe58c7aa537437e99f027c37ec6096b167"`
Dec 05 14:14:18.138 INFO [stdout] 55f08320a77d06210aff803b5399d7fe58c7aa537437e99f027c37ec6096b167