Dec 18 16:19:04.182 INFO checking futures-zipkin-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:19:04.183 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/futures-zipkin/0.4.0:/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 16:19:04.437 INFO [stdout] e879d8b4d2fbd24227d50cfb60769c6ea53b4e2514336a4e0a412e038ce4e319
Dec 18 16:19:04.442 INFO running `"docker" "start" "-a" "e879d8b4d2fbd24227d50cfb60769c6ea53b4e2514336a4e0a412e038ce4e319"`
Dec 18 16:19:05.240 INFO [stderr]     Checking zipkin-types v0.1.0
Dec 18 16:19:05.240 INFO [stderr]     Checking thread-local-object v0.1.0
Dec 18 16:19:05.835 INFO [stderr]     Checking zipkin v0.3.2
Dec 18 16:19:06.325 INFO [stderr]     Checking futures-zipkin v0.4.0 (/opt/crater/workdir)
Dec 18 16:19:06.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Dec 18 16:19:07.219 INFO running `"docker" "inspect" "e879d8b4d2fbd24227d50cfb60769c6ea53b4e2514336a4e0a412e038ce4e319"`
Dec 18 16:19:07.312 INFO running `"docker" "rm" "-f" "e879d8b4d2fbd24227d50cfb60769c6ea53b4e2514336a4e0a412e038ce4e319"`
Dec 18 16:19:07.451 INFO [stdout] e879d8b4d2fbd24227d50cfb60769c6ea53b4e2514336a4e0a412e038ce4e319