Dec 19 16:43:49.430 INFO checking fzzzy/rust-echo-server against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:43:49.430 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/fzzzy/rust-echo-server:/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 16:43:49.788 INFO [stdout] f66779564a914c6a8e10a5f2ba5df311809883b14ea820f8f9f2f80d7ba2f6fe
Dec 19 16:43:49.792 INFO running `"docker" "start" "-a" "f66779564a914c6a8e10a5f2ba5df311809883b14ea820f8f9f2f80d7ba2f6fe"`
Dec 19 16:43:51.102 INFO [stderr]     Checking rust-echo-server v0.1.0 (/opt/crater/workdir)
Dec 19 16:43:51.518 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 19 16:43:52.251 INFO running `"docker" "inspect" "f66779564a914c6a8e10a5f2ba5df311809883b14ea820f8f9f2f80d7ba2f6fe"`
Dec 19 16:43:52.369 INFO running `"docker" "rm" "-f" "f66779564a914c6a8e10a5f2ba5df311809883b14ea820f8f9f2f80d7ba2f6fe"`
Dec 19 16:43:52.476 INFO [stdout] f66779564a914c6a8e10a5f2ba5df311809883b14ea820f8f9f2f80d7ba2f6fe