Dec 19 15:06:50.745 INFO checking jkhsjdhjs/LedESP8266_backend-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:06:50.745 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:06:51.212 INFO [stdout] 2f2549b6c8ab77eb254f28b88d4fe0b8557b6cc357d342ee3aeaea611839d6a6
Dec 19 15:06:51.224 INFO running `"docker" "start" "-a" "2f2549b6c8ab77eb254f28b88d4fe0b8557b6cc357d342ee3aeaea611839d6a6"`
Dec 19 15:06:52.976 INFO [stderr]     Checking serde v0.9.11
Dec 19 15:06:52.976 INFO [stderr]     Checking uuid v0.4.0
Dec 19 15:06:52.976 INFO [stderr]    Compiling serde_codegen_internals v0.14.1
Dec 19 15:06:52.976 INFO [stderr]     Checking ws v0.6.0
Dec 19 15:06:56.550 INFO [stderr]    Compiling serde_derive v0.9.11
Dec 19 15:07:05.158 INFO [stderr]     Checking serde_json v0.9.9
Dec 19 15:07:06.990 INFO [stderr]     Checking led_esp8266_backend_rs v0.1.1 (/opt/crater/workdir)
Dec 19 15:07:07.792 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 19 15:07:07.792 INFO [stderr]  --> src/main.rs:1:12
Dec 19 15:07:07.792 INFO [stderr]   |
Dec 19 15:07:07.792 INFO [stderr] 1 | #![feature(drop_types_in_const)]
Dec 19 15:07:07.792 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^
Dec 19 15:07:07.792 INFO [stderr]   |
Dec 19 15:07:07.792 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 15:07:07.792 INFO [stderr] 
Dec 19 15:07:07.796 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 19 15:07:07.796 INFO [stderr]  --> src/main.rs:1:12
Dec 19 15:07:07.796 INFO [stderr]   |
Dec 19 15:07:07.796 INFO [stderr] 1 | #![feature(drop_types_in_const)]
Dec 19 15:07:07.796 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^
Dec 19 15:07:07.796 INFO [stderr]   |
Dec 19 15:07:07.796 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 15:07:07.796 INFO [stderr] 
Dec 19 15:07:07.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.93s
Dec 19 15:07:08.337 INFO running `"docker" "inspect" "2f2549b6c8ab77eb254f28b88d4fe0b8557b6cc357d342ee3aeaea611839d6a6"`
Dec 19 15:07:08.572 INFO running `"docker" "rm" "-f" "2f2549b6c8ab77eb254f28b88d4fe0b8557b6cc357d342ee3aeaea611839d6a6"`
Dec 19 15:07:08.860 INFO [stdout] 2f2549b6c8ab77eb254f28b88d4fe0b8557b6cc357d342ee3aeaea611839d6a6