Dec 17 22:14:49.222 INFO checking jkhsjdhjs/LedESP8266_backend-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:14:49.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jkhsjdhjs/LedESP8266_backend-rs:/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 17 22:14:49.664 INFO [stdout] c6c6a525c8230f51055e3237ade79c2ca1f008fbc00c5ded280361ca5d73ea57
Dec 17 22:14:49.668 INFO running `"docker" "start" "-a" "c6c6a525c8230f51055e3237ade79c2ca1f008fbc00c5ded280361ca5d73ea57"`
Dec 17 22:14:51.788 INFO [stderr]     Checking serde v0.9.11
Dec 17 22:14:51.788 INFO [stderr]     Checking iovec v0.1.0
Dec 17 22:14:51.788 INFO [stderr]     Checking net2 v0.2.27
Dec 17 22:14:51.788 INFO [stderr]     Checking uuid v0.4.0
Dec 17 22:14:51.788 INFO [stderr]    Compiling serde_codegen_internals v0.14.1
Dec 17 22:14:53.836 INFO [stderr]     Checking mio v0.6.5
Dec 17 22:14:56.304 INFO [stderr]    Compiling serde_derive v0.9.11
Dec 17 22:14:58.480 INFO [stderr]     Checking ws v0.6.0
Dec 17 22:15:06.338 INFO [stderr]     Checking serde_json v0.9.9
Dec 17 22:15:08.192 INFO [stderr]     Checking led_esp8266_backend_rs v0.1.1 (/opt/crater/workdir)
Dec 17 22:15:09.105 INFO [stderr] warning: the feature `drop_types_in_const` has been stable since 1.22.0 and no longer requires an attribute to enable
Dec 17 22:15:09.106 INFO [stderr]  --> src/main.rs:1:12
Dec 17 22:15:09.106 INFO [stderr]   |
Dec 17 22:15:09.106 INFO [stderr] 1 | #![feature(drop_types_in_const)]
Dec 17 22:15:09.106 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^
Dec 17 22:15:09.106 INFO [stderr]   |
Dec 17 22:15:09.106 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 22:15:09.106 INFO [stderr] 
Dec 17 22:15:09.243 INFO [stderr] warning: the feature `drop_types_in_const` has been stable since 1.22.0 and no longer requires an attribute to enable
Dec 17 22:15:09.243 INFO [stderr]  --> src/main.rs:1:12
Dec 17 22:15:09.243 INFO [stderr]   |
Dec 17 22:15:09.243 INFO [stderr] 1 | #![feature(drop_types_in_const)]
Dec 17 22:15:09.243 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^
Dec 17 22:15:09.243 INFO [stderr]   |
Dec 17 22:15:09.243 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 22:15:09.243 INFO [stderr] 
Dec 17 22:15:09.305 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.69s
Dec 17 22:15:10.208 INFO running `"docker" "inspect" "c6c6a525c8230f51055e3237ade79c2ca1f008fbc00c5ded280361ca5d73ea57"`
Dec 17 22:15:10.452 INFO running `"docker" "rm" "-f" "c6c6a525c8230f51055e3237ade79c2ca1f008fbc00c5ded280361ca5d73ea57"`
Dec 17 22:15:10.668 INFO [stdout] c6c6a525c8230f51055e3237ade79c2ca1f008fbc00c5ded280361ca5d73ea57