Dec 19 12:19:39.208 INFO checking mre/tinysearch against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:19:39.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mre/tinysearch:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:19:39.688 INFO [stdout] 61c634da08e04875be0d8b3c076a7df9eb16cf6a40a01fb37287a8895b105a33
Dec 19 12:19:39.689 INFO running `"docker" "start" "-a" "61c634da08e04875be0d8b3c076a7df9eb16cf6a40a01fb37287a8895b105a33"`
Dec 19 12:19:41.268 INFO [stderr]     Checking bloom v0.3.2
Dec 19 12:19:41.268 INFO [stderr]     Checking structopt v0.1.7
Dec 19 12:19:41.268 INFO [stderr]    Compiling structopt-derive v0.1.6
Dec 19 12:19:43.968 INFO [stderr]     Checking tinysearch v0.1.0 (/opt/crater/workdir)
Dec 19 12:19:44.622 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
Dec 19 12:19:45.712 INFO running `"docker" "inspect" "61c634da08e04875be0d8b3c076a7df9eb16cf6a40a01fb37287a8895b105a33"`
Dec 19 12:19:46.150 INFO running `"docker" "rm" "-f" "61c634da08e04875be0d8b3c076a7df9eb16cf6a40a01fb37287a8895b105a33"`
Dec 19 12:19:46.499 INFO [stdout] 61c634da08e04875be0d8b3c076a7df9eb16cf6a40a01fb37287a8895b105a33