Dec 18 07:28:34.839 INFO checking GlooriousWalrus/learning-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:28:34.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/GlooriousWalrus/learning-rust:/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 07:28:35.080 INFO [stdout] 6efc6b156d199a0cd452f6def54b3a9580519732d6d5c4f072ca5fea6816210f
Dec 18 07:28:35.082 INFO running `"docker" "start" "-a" "6efc6b156d199a0cd452f6def54b3a9580519732d6d5c4f072ca5fea6816210f"`
Dec 18 07:28:35.540 INFO [stderr]    Compiling rand_derive v0.3.1
Dec 18 07:28:36.242 INFO [stderr]     Checking bunnies v0.1.0 (/opt/crater/workdir)
Dec 18 07:28:36.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 18 07:28:36.849 INFO running `"docker" "inspect" "6efc6b156d199a0cd452f6def54b3a9580519732d6d5c4f072ca5fea6816210f"`
Dec 18 07:28:36.920 INFO running `"docker" "rm" "-f" "6efc6b156d199a0cd452f6def54b3a9580519732d6d5c4f072ca5fea6816210f"`
Dec 18 07:28:36.977 INFO [stdout] 6efc6b156d199a0cd452f6def54b3a9580519732d6d5c4f072ca5fea6816210f