Dec 18 11:24:20.434 INFO checking serde-pickle-0.4.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:24:20.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/serde-pickle/0.4.1:/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 11:24:20.630 INFO [stdout] 3303675d3edf129e3c8233b151e894f79d5fd4ab7740f3478a04fcab2b6d57b0
Dec 18 11:24:20.637 INFO running `"docker" "start" "-a" "3303675d3edf129e3c8233b151e894f79d5fd4ab7740f3478a04fcab2b6d57b0"`
Dec 18 11:24:21.553 INFO [stderr]     Checking iter-read v0.1.0
Dec 18 11:24:21.555 INFO [stderr]     Checking num-bigint v0.1.44
Dec 18 11:24:23.470 INFO [stderr]     Checking serde-pickle v0.4.1 (/opt/crater/workdir)
Dec 18 11:24:26.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
Dec 18 11:24:26.367 INFO running `"docker" "inspect" "3303675d3edf129e3c8233b151e894f79d5fd4ab7740f3478a04fcab2b6d57b0"`
Dec 18 11:24:26.445 INFO running `"docker" "rm" "-f" "3303675d3edf129e3c8233b151e894f79d5fd4ab7740f3478a04fcab2b6d57b0"`
Dec 18 11:24:26.551 INFO [stdout] 3303675d3edf129e3c8233b151e894f79d5fd4ab7740f3478a04fcab2b6d57b0