Dec 19 21:41:40.833 INFO checking The-Geek-Squad/subnetter against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:41:40.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/The-Geek-Squad/subnetter:/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 21:41:41.072 INFO [stdout] 7a1b01a93ac3ff10a9d134713be66460fe1f13d54bfec4bad7e2febcf61a3b86
Dec 19 21:41:41.078 INFO running `"docker" "start" "-a" "7a1b01a93ac3ff10a9d134713be66460fe1f13d54bfec4bad7e2febcf61a3b86"`
Dec 19 21:41:41.737 INFO [stderr]     Checking clap v2.27.1
Dec 19 21:41:41.738 INFO [stderr]     Checking ipaddress v0.1.2
Dec 19 21:41:48.355 INFO [stderr]     Checking subnetter v0.1.0 (/opt/crater/workdir)
Dec 19 21:41:49.033 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
Dec 19 21:41:49.350 INFO running `"docker" "inspect" "7a1b01a93ac3ff10a9d134713be66460fe1f13d54bfec4bad7e2febcf61a3b86"`
Dec 19 21:41:49.517 INFO running `"docker" "rm" "-f" "7a1b01a93ac3ff10a9d134713be66460fe1f13d54bfec4bad7e2febcf61a3b86"`
Dec 19 21:41:49.634 INFO [stdout] 7a1b01a93ac3ff10a9d134713be66460fe1f13d54bfec4bad7e2febcf61a3b86