Dec 18 18:48:36.006 INFO checking a2-0.3.5 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:48:36.006 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/a2/0.3.5:/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 18:48:36.149 INFO [stdout] 0577be7219adfb3839047270757fb0f6375dc73e5efb1584db6283821b9ca11f
Dec 18 18:48:36.154 INFO running `"docker" "start" "-a" "0577be7219adfb3839047270757fb0f6375dc73e5efb1584db6283821b9ca11f"`
Dec 18 18:48:37.117 INFO [stderr]     Checking erased-serde v0.3.6
Dec 18 18:48:37.117 INFO [stderr]     Checking webpki-roots v0.14.0
Dec 18 18:48:37.117 INFO [stderr]     Checking pretty_env_logger v0.2.5
Dec 18 18:48:37.864 INFO [stderr]     Checking hyper-alpn v0.1.4
Dec 18 18:48:39.996 INFO [stderr]     Checking a2 v0.3.5 (/opt/crater/workdir)
Dec 18 18:48:46.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
Dec 18 18:48:46.534 INFO running `"docker" "inspect" "0577be7219adfb3839047270757fb0f6375dc73e5efb1584db6283821b9ca11f"`
Dec 18 18:48:46.634 INFO running `"docker" "rm" "-f" "0577be7219adfb3839047270757fb0f6375dc73e5efb1584db6283821b9ca11f"`
Dec 18 18:48:46.744 INFO [stdout] 0577be7219adfb3839047270757fb0f6375dc73e5efb1584db6283821b9ca11f