Dec 17 19:18:30.662 INFO checking mprasil/dronelab against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:18:30.662 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mprasil/dronelab:/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 17 19:18:31.263 INFO [stdout] 67a56325e8ce361124d3634980faf66c29d12bfe05ba233d7469fe2597f699cb
Dec 17 19:18:31.265 INFO running `"docker" "start" "-a" "67a56325e8ce361124d3634980faf66c29d12bfe05ba233d7469fe2597f699cb"`
Dec 17 19:18:33.373 INFO [stderr]     Checking serde_yaml v0.8.5
Dec 17 19:18:33.373 INFO [stderr]    Compiling syn v0.15.9
Dec 17 19:18:43.248 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 17 19:18:57.479 INFO [stderr]     Checking dronelab v0.1.0 (/opt/crater/workdir)
Dec 17 19:18:58.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.80s
Dec 17 19:18:58.416 INFO running `"docker" "inspect" "67a56325e8ce361124d3634980faf66c29d12bfe05ba233d7469fe2597f699cb"`
Dec 17 19:18:58.494 INFO running `"docker" "rm" "-f" "67a56325e8ce361124d3634980faf66c29d12bfe05ba233d7469fe2597f699cb"`
Dec 17 19:18:58.592 INFO [stdout] 67a56325e8ce361124d3634980faf66c29d12bfe05ba233d7469fe2597f699cb