Dec 17 16:24:08.098 INFO checking ruuda/filebuffer against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:24:08.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ruuda/filebuffer:/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 16:24:08.382 INFO [stdout] 6be6c30f5e91e7e524b791110b66c4be79b01ec13441a5d239f4a5e07a173a56
Dec 17 16:24:08.388 INFO running `"docker" "start" "-a" "6be6c30f5e91e7e524b791110b66c4be79b01ec13441a5d239f4a5e07a173a56"`
Dec 17 16:24:09.003 INFO [stderr]    Compiling gcc v0.3.35
Dec 17 16:24:09.003 INFO [stderr]     Checking filebuffer v0.4.0 (/opt/crater/workdir)
Dec 17 16:24:09.003 INFO [stderr]     Checking time v0.1.35
Dec 17 16:24:10.620 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 17 16:24:16.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
Dec 17 16:24:17.803 INFO running `"docker" "inspect" "6be6c30f5e91e7e524b791110b66c4be79b01ec13441a5d239f4a5e07a173a56"`
Dec 17 16:24:18.120 INFO running `"docker" "rm" "-f" "6be6c30f5e91e7e524b791110b66c4be79b01ec13441a5d239f4a5e07a173a56"`
Dec 17 16:24:18.507 INFO [stdout] 6be6c30f5e91e7e524b791110b66c4be79b01ec13441a5d239f4a5e07a173a56