Dec 19 20:23:21.088 INFO checking archer884/fastls against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:23:21.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/archer884/fastls:/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 20:23:21.363 INFO [stdout] be4eae0fb291b090fa8a9e614a9819d4439afe846380036d21f227427f189266
Dec 19 20:23:21.366 INFO running `"docker" "start" "-a" "be4eae0fb291b090fa8a9e614a9819d4439afe846380036d21f227427f189266"`
Dec 19 20:23:22.185 INFO [stderr]    Compiling quote v0.6.9
Dec 19 20:23:22.825 INFO [stderr]    Compiling syn v0.15.18
Dec 19 20:23:28.909 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 19 20:23:30.891 INFO [stderr]     Checking structopt v0.2.13
Dec 19 20:23:31.175 INFO [stderr]     Checking fastls v0.1.0 (/opt/crater/workdir)
Dec 19 20:23:31.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
Dec 19 20:23:32.132 INFO running `"docker" "inspect" "be4eae0fb291b090fa8a9e614a9819d4439afe846380036d21f227427f189266"`
Dec 19 20:23:32.314 INFO running `"docker" "rm" "-f" "be4eae0fb291b090fa8a9e614a9819d4439afe846380036d21f227427f189266"`
Dec 19 20:23:32.487 INFO [stdout] be4eae0fb291b090fa8a9e614a9819d4439afe846380036d21f227427f189266