Dec 18 14:24:43.642 INFO checking libpcre-sys-0.2.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:24:43.642 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/libpcre-sys/0.2.2:/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 14:24:43.845 INFO [stdout] 8c11003eeb801fda09cdc0c1451662a1a71fab966488f769fbf5ac756361df92
Dec 18 14:24:43.850 INFO running `"docker" "start" "-a" "8c11003eeb801fda09cdc0c1451662a1a71fab966488f769fbf5ac756361df92"`
Dec 18 14:24:44.533 INFO [stderr]    Compiling libpcre-sys v0.2.2 (/opt/crater/workdir)
Dec 18 14:24:45.518 INFO [stderr] warning: redundant linker flag specified for library `pcre`
Dec 18 14:24:45.518 INFO [stderr] 
Dec 18 14:24:45.534 INFO [stderr] warning: redundant linker flag specified for library `pcre`
Dec 18 14:24:45.534 INFO [stderr] 
Dec 18 14:24:45.551 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 18 14:24:45.846 INFO running `"docker" "inspect" "8c11003eeb801fda09cdc0c1451662a1a71fab966488f769fbf5ac756361df92"`
Dec 18 14:24:46.092 INFO running `"docker" "rm" "-f" "8c11003eeb801fda09cdc0c1451662a1a71fab966488f769fbf5ac756361df92"`
Dec 18 14:24:46.312 INFO [stdout] 8c11003eeb801fda09cdc0c1451662a1a71fab966488f769fbf5ac756361df92