Dec 18 13:06:20.183 INFO checking pdf_form-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:06:20.183 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/pdf_form/0.2.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:06:20.408 INFO [stdout] e744c5d2dd864577987c31f8986dbed710c13ff2842d62a65c89d4e79b3a0866
Dec 18 13:06:20.410 INFO running `"docker" "start" "-a" "e744c5d2dd864577987c31f8986dbed710c13ff2842d62a65c89d4e79b3a0866"`
Dec 18 13:06:21.752 INFO [stderr]     Checking png v0.12.0
Dec 18 13:06:22.674 INFO [stderr]     Checking image v0.19.0
Dec 18 13:06:26.978 INFO [stderr]     Checking lopdf v0.15.3
Dec 18 13:06:29.929 INFO [stderr]     Checking pdf_form v0.2.0 (/opt/crater/workdir)
Dec 18 13:06:31.349 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
Dec 18 13:06:31.663 INFO running `"docker" "inspect" "e744c5d2dd864577987c31f8986dbed710c13ff2842d62a65c89d4e79b3a0866"`
Dec 18 13:06:31.746 INFO running `"docker" "rm" "-f" "e744c5d2dd864577987c31f8986dbed710c13ff2842d62a65c89d4e79b3a0866"`
Dec 18 13:06:31.843 INFO [stdout] e744c5d2dd864577987c31f8986dbed710c13ff2842d62a65c89d4e79b3a0866