Dec 18 14:31:41.283 INFO checking lepton-mux-0.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:31:41.284 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/lepton-mux/0.0.1:/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 14:31:41.496 INFO [stdout] 10b7f52b57ec5cc36b750e578da5bf950a9a54c72ef1d59470d759b2224f57fb
Dec 18 14:31:41.502 INFO running `"docker" "start" "-a" "10b7f52b57ec5cc36b750e578da5bf950a9a54c72ef1d59470d759b2224f57fb"`
Dec 18 14:31:42.364 INFO [stderr]     Checking alloc-no-stdlib v1.3.0
Dec 18 14:31:42.736 INFO [stderr]     Checking lepton-mux v0.0.1 (/opt/crater/workdir)
Dec 18 14:31:43.711 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 18 14:31:44.236 INFO running `"docker" "inspect" "10b7f52b57ec5cc36b750e578da5bf950a9a54c72ef1d59470d759b2224f57fb"`
Dec 18 14:31:44.354 INFO running `"docker" "rm" "-f" "10b7f52b57ec5cc36b750e578da5bf950a9a54c72ef1d59470d759b2224f57fb"`
Dec 18 14:31:44.441 INFO [stdout] 10b7f52b57ec5cc36b750e578da5bf950a9a54c72ef1d59470d759b2224f57fb