Dec 17 18:32:03.643 INFO checking numberMumbler/Attic against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:32:03.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/numberMumbler/Attic:/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 17 18:32:04.104 INFO [stdout] 192867f52cba74b82879df28ef37d7020e837b981a407d6159685fe6acf518d6
Dec 17 18:32:04.106 INFO running `"docker" "start" "-a" "192867f52cba74b82879df28ef37d7020e837b981a407d6159685fe6acf518d6"`
Dec 17 18:32:05.780 INFO [stderr]     Checking serde v1.0.51
Dec 17 18:32:05.800 INFO [stderr]    Compiling serde_derive v1.0.51
Dec 17 18:32:24.440 INFO [stderr]     Checking serde_json v1.0.17
Dec 17 18:32:27.299 INFO [stderr]     Checking attic-core-lib v0.1.0 (/opt/crater/workdir/core-lib)
Dec 17 18:32:28.071 INFO [stderr]     Checking attic v0.1.0 (/opt/crater/workdir)
Dec 17 18:32:30.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.88s
Dec 17 18:32:31.196 INFO running `"docker" "inspect" "192867f52cba74b82879df28ef37d7020e837b981a407d6159685fe6acf518d6"`
Dec 17 18:32:31.576 INFO running `"docker" "rm" "-f" "192867f52cba74b82879df28ef37d7020e837b981a407d6159685fe6acf518d6"`
Dec 17 18:32:31.928 INFO [stdout] 192867f52cba74b82879df28ef37d7020e837b981a407d6159685fe6acf518d6