Dec 18 16:20:05.610 INFO checking futures-backoff-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:20:05.610 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/reg/futures-backoff/0.1.0:/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 16:20:06.054 INFO [stdout] dd5286e0fdf6d759bd3a0127dea2759cd81822ec4adc8b0068526343e8c45122
Dec 18 16:20:06.056 INFO running `"docker" "start" "-a" "dd5286e0fdf6d759bd3a0127dea2759cd81822ec4adc8b0068526343e8c45122"`
Dec 18 16:20:07.076 INFO [stderr]     Checking futures-timer v0.1.1
Dec 18 16:20:07.596 INFO [stderr]     Checking futures-backoff v0.1.0 (/opt/crater/workdir)
Dec 18 16:20:08.428 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 18 16:20:08.747 INFO running `"docker" "inspect" "dd5286e0fdf6d759bd3a0127dea2759cd81822ec4adc8b0068526343e8c45122"`
Dec 18 16:20:08.962 INFO running `"docker" "rm" "-f" "dd5286e0fdf6d759bd3a0127dea2759cd81822ec4adc8b0068526343e8c45122"`
Dec 18 16:20:09.247 INFO [stdout] dd5286e0fdf6d759bd3a0127dea2759cd81822ec4adc8b0068526343e8c45122