Dec 19 20:16:38.017 INFO checking asib/echo-server against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:16:38.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/asib/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:16:38.235 INFO [stdout] 4df62e0b61aecd051cf46810e94a53cb306a50f4a08c8bda7d191ad27154c2fd
Dec 19 20:16:38.238 INFO running `"docker" "start" "-a" "4df62e0b61aecd051cf46810e94a53cb306a50f4a08c8bda7d191ad27154c2fd"`
Dec 19 20:16:39.615 INFO [stderr]     Checking actix-net v0.1.1
Dec 19 20:16:42.770 INFO [stderr]     Checking actix-web v0.7.13
Dec 19 20:16:51.604 INFO [stderr]     Checking echo-server v0.1.0 (/opt/crater/workdir)
Dec 19 20:16:54.613 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.41s
Dec 19 20:16:56.177 INFO running `"docker" "inspect" "4df62e0b61aecd051cf46810e94a53cb306a50f4a08c8bda7d191ad27154c2fd"`
Dec 19 20:16:56.502 INFO running `"docker" "rm" "-f" "4df62e0b61aecd051cf46810e94a53cb306a50f4a08c8bda7d191ad27154c2fd"`
Dec 19 20:16:56.856 INFO [stdout] 4df62e0b61aecd051cf46810e94a53cb306a50f4a08c8bda7d191ad27154c2fd