Dec 18 16:47:35.195 INFO checking embedded-builder-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:47:35.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/embedded-builder/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:47:35.844 INFO [stdout] ca24cda5763560cfbdef96117a9752f9e0c317d39cabe9f1ddef6f9d2fa1f30f
Dec 18 16:47:35.848 INFO running `"docker" "start" "-a" "ca24cda5763560cfbdef96117a9752f9e0c317d39cabe9f1ddef6f9d2fa1f30f"`
Dec 18 16:47:37.541 INFO [stderr]     Checking embedded-builder v0.1.1 (/opt/crater/workdir)
Dec 18 16:47:37.964 INFO [stderr] warning: unused macro definition
Dec 18 16:47:37.964 INFO [stderr]   --> src/helpers.rs:20:1
Dec 18 16:47:37.965 INFO [stderr]    |
Dec 18 16:47:37.965 INFO [stderr] 20 | / macro_rules! concat {
Dec 18 16:47:37.965 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 18 16:47:37.965 INFO [stderr] 22 | | }
Dec 18 16:47:37.965 INFO [stderr]    | |_^
Dec 18 16:47:37.965 INFO [stderr]    |
Dec 18 16:47:37.965 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 16:47:37.965 INFO [stderr] 
Dec 18 16:47:38.173 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 16:47:38.173 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 16:47:38.173 INFO [stderr]   |
Dec 18 16:47:38.173 INFO [stderr] 4 | #![feature(used)]
Dec 18 16:47:38.173 INFO [stderr]   |            ^^^^
Dec 18 16:47:38.173 INFO [stderr]   |
Dec 18 16:47:38.173 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 16:47:38.173 INFO [stderr] 
Dec 18 16:47:38.230 INFO [stderr] warning: unused macro definition
Dec 18 16:47:38.231 INFO [stderr]   --> src/helpers.rs:20:1
Dec 18 16:47:38.231 INFO [stderr]    |
Dec 18 16:47:38.231 INFO [stderr] 20 | / macro_rules! concat {
Dec 18 16:47:38.232 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 18 16:47:38.232 INFO [stderr] 22 | | }
Dec 18 16:47:38.232 INFO [stderr]    | |_^
Dec 18 16:47:38.232 INFO [stderr]    |
Dec 18 16:47:38.232 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 16:47:38.232 INFO [stderr] 
Dec 18 16:47:38.484 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:47:38.484 INFO [stderr]    --> src/register.rs:210:13
Dec 18 16:47:38.484 INFO [stderr]     |
Dec 18 16:47:38.484 INFO [stderr] 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Dec 18 16:47:38.484 INFO [stderr]     |             ----^
Dec 18 16:47:38.484 INFO [stderr]     |             |
Dec 18 16:47:38.484 INFO [stderr]     |             help: remove this `mut`
Dec 18 16:47:38.484 INFO [stderr]     |
Dec 18 16:47:38.484 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:47:38.484 INFO [stderr] 
Dec 18 16:47:38.488 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 16:47:38.488 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 16:47:38.488 INFO [stderr]   |
Dec 18 16:47:38.488 INFO [stderr] 4 | #![feature(used)]
Dec 18 16:47:38.488 INFO [stderr]   |            ^^^^
Dec 18 16:47:38.488 INFO [stderr]   |
Dec 18 16:47:38.488 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 16:47:38.488 INFO [stderr] 
Dec 18 16:47:38.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 18 16:47:39.188 INFO running `"docker" "inspect" "ca24cda5763560cfbdef96117a9752f9e0c317d39cabe9f1ddef6f9d2fa1f30f"`
Dec 18 16:47:39.440 INFO running `"docker" "rm" "-f" "ca24cda5763560cfbdef96117a9752f9e0c317d39cabe9f1ddef6f9d2fa1f30f"`
Dec 18 16:47:39.824 INFO [stdout] ca24cda5763560cfbdef96117a9752f9e0c317d39cabe9f1ddef6f9d2fa1f30f