Dec 18 16:47:32.600 INFO checking embedded-builder-0.1.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:47:32.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:47:33.014 INFO [stdout] ee12c8416c81a5bd00e055d95434a303e750157b45a0624840f22d7d08fa5115
Dec 18 16:47:33.016 INFO running `"docker" "start" "-a" "ee12c8416c81a5bd00e055d95434a303e750157b45a0624840f22d7d08fa5115"`
Dec 18 16:47:34.556 INFO [stderr]     Checking embedded-builder v0.1.1 (/opt/crater/workdir)
Dec 18 16:47:34.848 INFO [stderr] warning: unused macro definition
Dec 18 16:47:34.849 INFO [stderr]   --> src/helpers.rs:20:1
Dec 18 16:47:34.849 INFO [stderr]    |
Dec 18 16:47:34.849 INFO [stderr] 20 | / macro_rules! concat {
Dec 18 16:47:34.849 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 18 16:47:34.849 INFO [stderr] 22 | | }
Dec 18 16:47:34.849 INFO [stderr]    | |_^
Dec 18 16:47:34.849 INFO [stderr]    |
Dec 18 16:47:34.849 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 16:47:34.849 INFO [stderr] 
Dec 18 16:47:34.960 INFO [stderr] warning: unused macro definition
Dec 18 16:47:34.961 INFO [stderr]   --> src/helpers.rs:20:1
Dec 18 16:47:34.961 INFO [stderr]    |
Dec 18 16:47:34.961 INFO [stderr] 20 | / macro_rules! concat {
Dec 18 16:47:34.961 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 18 16:47:34.961 INFO [stderr] 22 | | }
Dec 18 16:47:34.961 INFO [stderr]    | |_^
Dec 18 16:47:34.961 INFO [stderr]    |
Dec 18 16:47:34.961 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 16:47:34.961 INFO [stderr] 
Dec 18 16:47:35.070 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 16:47:35.070 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 16:47:35.070 INFO [stderr]   |
Dec 18 16:47:35.070 INFO [stderr] 4 | #![feature(used)]
Dec 18 16:47:35.070 INFO [stderr]   |            ^^^^
Dec 18 16:47:35.070 INFO [stderr]   |
Dec 18 16:47:35.070 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 16:47:35.070 INFO [stderr] 
Dec 18 16:47:35.088 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:47:35.088 INFO [stderr]    --> src/register.rs:210:13
Dec 18 16:47:35.088 INFO [stderr]     |
Dec 18 16:47:35.088 INFO [stderr] 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Dec 18 16:47:35.088 INFO [stderr]     |             ----^
Dec 18 16:47:35.088 INFO [stderr]     |             |
Dec 18 16:47:35.088 INFO [stderr]     |             help: remove this `mut`
Dec 18 16:47:35.088 INFO [stderr]     |
Dec 18 16:47:35.088 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:47:35.088 INFO [stderr] 
Dec 18 16:47:35.088 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 16:47:35.088 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 16:47:35.088 INFO [stderr]   |
Dec 18 16:47:35.088 INFO [stderr] 4 | #![feature(used)]
Dec 18 16:47:35.088 INFO [stderr]   |            ^^^^
Dec 18 16:47:35.088 INFO [stderr]   |
Dec 18 16:47:35.088 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 16:47:35.088 INFO [stderr] 
Dec 18 16:47:35.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 18 16:47:36.007 INFO running `"docker" "inspect" "ee12c8416c81a5bd00e055d95434a303e750157b45a0624840f22d7d08fa5115"`
Dec 18 16:47:36.262 INFO running `"docker" "rm" "-f" "ee12c8416c81a5bd00e055d95434a303e750157b45a0624840f22d7d08fa5115"`
Dec 18 16:47:36.638 INFO [stdout] ee12c8416c81a5bd00e055d95434a303e750157b45a0624840f22d7d08fa5115