Dec 18 08:54:04.249 INFO checking zipkin-0.3.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:54:04.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/zipkin/0.3.2:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:54:04.693 INFO [stdout] 5b787e0186295dede68e498d64a58a5edf9e0da54b6b31ca7c21f1f75381059f
Dec 18 08:54:04.695 INFO running `"docker" "start" "-a" "5b787e0186295dede68e498d64a58a5edf9e0da54b6b31ca7c21f1f75381059f"`
Dec 18 08:54:06.780 INFO [stderr]     Checking zipkin-types v0.1.0
Dec 18 08:54:06.780 INFO [stderr]     Checking thread-local-object v0.1.0
Dec 18 08:54:06.780 INFO [stderr]     Checking rand v0.6.1
Dec 18 08:54:10.025 INFO [stderr]     Checking zipkin v0.3.2 (/opt/crater/workdir)
Dec 18 08:54:11.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
Dec 18 08:54:12.175 INFO running `"docker" "inspect" "5b787e0186295dede68e498d64a58a5edf9e0da54b6b31ca7c21f1f75381059f"`
Dec 18 08:54:12.451 INFO running `"docker" "rm" "-f" "5b787e0186295dede68e498d64a58a5edf9e0da54b6b31ca7c21f1f75381059f"`
Dec 18 08:54:12.780 INFO [stdout] 5b787e0186295dede68e498d64a58a5edf9e0da54b6b31ca7c21f1f75381059f